Line data Source code
1 : /*
2 : * Copyright (c) 2006 Luc Verhaegen (quirks list)
3 : * Copyright (c) 2007-2008 Intel Corporation
4 : * Jesse Barnes <jesse.barnes@intel.com>
5 : * Copyright 2010 Red Hat, Inc.
6 : *
7 : * DDC probing routines (drm_ddc_read & drm_do_probe_ddc_edid) originally from
8 : * FB layer.
9 : * Copyright (C) 2006 Dennis Munsie <dmunsie@cecropia.com>
10 : *
11 : * Permission is hereby granted, free of charge, to any person obtaining a
12 : * copy of this software and associated documentation files (the "Software"),
13 : * to deal in the Software without restriction, including without limitation
14 : * the rights to use, copy, modify, merge, publish, distribute, sub license,
15 : * and/or sell copies of the Software, and to permit persons to whom the
16 : * Software is furnished to do so, subject to the following conditions:
17 : *
18 : * The above copyright notice and this permission notice (including the
19 : * next paragraph) shall be included in all copies or substantial portions
20 : * of the Software.
21 : *
22 : * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
23 : * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24 : * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
25 : * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
26 : * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
27 : * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
28 : * DEALINGS IN THE SOFTWARE.
29 : */
30 :
31 : #include <linux/bitfield.h>
32 : #include <linux/hdmi.h>
33 : #include <linux/i2c.h>
34 : #include <linux/kernel.h>
35 : #include <linux/module.h>
36 : #include <linux/pci.h>
37 : #include <linux/slab.h>
38 : #include <linux/vga_switcheroo.h>
39 :
40 : #include <drm/drm_displayid.h>
41 : #include <drm/drm_drv.h>
42 : #include <drm/drm_edid.h>
43 : #include <drm/drm_encoder.h>
44 : #include <drm/drm_print.h>
45 :
46 : #include "drm_crtc_internal.h"
47 :
48 : static int oui(u8 first, u8 second, u8 third)
49 : {
50 0 : return (first << 16) | (second << 8) | third;
51 : }
52 :
53 : #define EDID_EST_TIMINGS 16
54 : #define EDID_STD_TIMINGS 8
55 : #define EDID_DETAILED_TIMINGS 4
56 :
57 : /*
58 : * EDID blocks out in the wild have a variety of bugs, try to collect
59 : * them here (note that userspace may work around broken monitors first,
60 : * but fixes should make their way here so that the kernel "just works"
61 : * on as many displays as possible).
62 : */
63 :
64 : /* First detailed mode wrong, use largest 60Hz mode */
65 : #define EDID_QUIRK_PREFER_LARGE_60 (1 << 0)
66 : /* Reported 135MHz pixel clock is too high, needs adjustment */
67 : #define EDID_QUIRK_135_CLOCK_TOO_HIGH (1 << 1)
68 : /* Prefer the largest mode at 75 Hz */
69 : #define EDID_QUIRK_PREFER_LARGE_75 (1 << 2)
70 : /* Detail timing is in cm not mm */
71 : #define EDID_QUIRK_DETAILED_IN_CM (1 << 3)
72 : /* Detailed timing descriptors have bogus size values, so just take the
73 : * maximum size and use that.
74 : */
75 : #define EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE (1 << 4)
76 : /* use +hsync +vsync for detailed mode */
77 : #define EDID_QUIRK_DETAILED_SYNC_PP (1 << 6)
78 : /* Force reduced-blanking timings for detailed modes */
79 : #define EDID_QUIRK_FORCE_REDUCED_BLANKING (1 << 7)
80 : /* Force 8bpc */
81 : #define EDID_QUIRK_FORCE_8BPC (1 << 8)
82 : /* Force 12bpc */
83 : #define EDID_QUIRK_FORCE_12BPC (1 << 9)
84 : /* Force 6bpc */
85 : #define EDID_QUIRK_FORCE_6BPC (1 << 10)
86 : /* Force 10bpc */
87 : #define EDID_QUIRK_FORCE_10BPC (1 << 11)
88 : /* Non desktop display (i.e. HMD) */
89 : #define EDID_QUIRK_NON_DESKTOP (1 << 12)
90 : /* Cap the DSC target bitrate to 15bpp */
91 : #define EDID_QUIRK_CAP_DSC_15BPP (1 << 13)
92 :
93 : #define MICROSOFT_IEEE_OUI 0xca125c
94 :
95 : struct detailed_mode_closure {
96 : struct drm_connector *connector;
97 : const struct drm_edid *drm_edid;
98 : bool preferred;
99 : int modes;
100 : };
101 :
102 : #define LEVEL_DMT 0
103 : #define LEVEL_GTF 1
104 : #define LEVEL_GTF2 2
105 : #define LEVEL_CVT 3
106 :
107 : #define EDID_QUIRK(vend_chr_0, vend_chr_1, vend_chr_2, product_id, _quirks) \
108 : { \
109 : .panel_id = drm_edid_encode_panel_id(vend_chr_0, vend_chr_1, vend_chr_2, \
110 : product_id), \
111 : .quirks = _quirks \
112 : }
113 :
114 : static const struct edid_quirk {
115 : u32 panel_id;
116 : u32 quirks;
117 : } edid_quirk_list[] = {
118 : /* Acer AL1706 */
119 : EDID_QUIRK('A', 'C', 'R', 44358, EDID_QUIRK_PREFER_LARGE_60),
120 : /* Acer F51 */
121 : EDID_QUIRK('A', 'P', 'I', 0x7602, EDID_QUIRK_PREFER_LARGE_60),
122 :
123 : /* AEO model 0 reports 8 bpc, but is a 6 bpc panel */
124 : EDID_QUIRK('A', 'E', 'O', 0, EDID_QUIRK_FORCE_6BPC),
125 :
126 : /* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */
127 : EDID_QUIRK('B', 'O', 'E', 0x78b, EDID_QUIRK_FORCE_6BPC),
128 :
129 : /* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */
130 : EDID_QUIRK('C', 'P', 'T', 0x17df, EDID_QUIRK_FORCE_6BPC),
131 :
132 : /* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */
133 : EDID_QUIRK('S', 'D', 'C', 0x3652, EDID_QUIRK_FORCE_6BPC),
134 :
135 : /* BOE model 0x0771 reports 8 bpc, but is a 6 bpc panel */
136 : EDID_QUIRK('B', 'O', 'E', 0x0771, EDID_QUIRK_FORCE_6BPC),
137 :
138 : /* Belinea 10 15 55 */
139 : EDID_QUIRK('M', 'A', 'X', 1516, EDID_QUIRK_PREFER_LARGE_60),
140 : EDID_QUIRK('M', 'A', 'X', 0x77e, EDID_QUIRK_PREFER_LARGE_60),
141 :
142 : /* Envision Peripherals, Inc. EN-7100e */
143 : EDID_QUIRK('E', 'P', 'I', 59264, EDID_QUIRK_135_CLOCK_TOO_HIGH),
144 : /* Envision EN2028 */
145 : EDID_QUIRK('E', 'P', 'I', 8232, EDID_QUIRK_PREFER_LARGE_60),
146 :
147 : /* Funai Electronics PM36B */
148 : EDID_QUIRK('F', 'C', 'M', 13600, EDID_QUIRK_PREFER_LARGE_75 |
149 : EDID_QUIRK_DETAILED_IN_CM),
150 :
151 : /* LG 27GP950 */
152 : EDID_QUIRK('G', 'S', 'M', 0x5bbf, EDID_QUIRK_CAP_DSC_15BPP),
153 :
154 : /* LG 27GN950 */
155 : EDID_QUIRK('G', 'S', 'M', 0x5b9a, EDID_QUIRK_CAP_DSC_15BPP),
156 :
157 : /* LGD panel of HP zBook 17 G2, eDP 10 bpc, but reports unknown bpc */
158 : EDID_QUIRK('L', 'G', 'D', 764, EDID_QUIRK_FORCE_10BPC),
159 :
160 : /* LG Philips LCD LP154W01-A5 */
161 : EDID_QUIRK('L', 'P', 'L', 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE),
162 : EDID_QUIRK('L', 'P', 'L', 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE),
163 :
164 : /* Samsung SyncMaster 205BW. Note: irony */
165 : EDID_QUIRK('S', 'A', 'M', 541, EDID_QUIRK_DETAILED_SYNC_PP),
166 : /* Samsung SyncMaster 22[5-6]BW */
167 : EDID_QUIRK('S', 'A', 'M', 596, EDID_QUIRK_PREFER_LARGE_60),
168 : EDID_QUIRK('S', 'A', 'M', 638, EDID_QUIRK_PREFER_LARGE_60),
169 :
170 : /* Sony PVM-2541A does up to 12 bpc, but only reports max 8 bpc */
171 : EDID_QUIRK('S', 'N', 'Y', 0x2541, EDID_QUIRK_FORCE_12BPC),
172 :
173 : /* ViewSonic VA2026w */
174 : EDID_QUIRK('V', 'S', 'C', 5020, EDID_QUIRK_FORCE_REDUCED_BLANKING),
175 :
176 : /* Medion MD 30217 PG */
177 : EDID_QUIRK('M', 'E', 'D', 0x7b8, EDID_QUIRK_PREFER_LARGE_75),
178 :
179 : /* Lenovo G50 */
180 : EDID_QUIRK('S', 'D', 'C', 18514, EDID_QUIRK_FORCE_6BPC),
181 :
182 : /* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */
183 : EDID_QUIRK('S', 'E', 'C', 0xd033, EDID_QUIRK_FORCE_8BPC),
184 :
185 : /* Rotel RSX-1058 forwards sink's EDID but only does HDMI 1.1*/
186 : EDID_QUIRK('E', 'T', 'R', 13896, EDID_QUIRK_FORCE_8BPC),
187 :
188 : /* Valve Index Headset */
189 : EDID_QUIRK('V', 'L', 'V', 0x91a8, EDID_QUIRK_NON_DESKTOP),
190 : EDID_QUIRK('V', 'L', 'V', 0x91b0, EDID_QUIRK_NON_DESKTOP),
191 : EDID_QUIRK('V', 'L', 'V', 0x91b1, EDID_QUIRK_NON_DESKTOP),
192 : EDID_QUIRK('V', 'L', 'V', 0x91b2, EDID_QUIRK_NON_DESKTOP),
193 : EDID_QUIRK('V', 'L', 'V', 0x91b3, EDID_QUIRK_NON_DESKTOP),
194 : EDID_QUIRK('V', 'L', 'V', 0x91b4, EDID_QUIRK_NON_DESKTOP),
195 : EDID_QUIRK('V', 'L', 'V', 0x91b5, EDID_QUIRK_NON_DESKTOP),
196 : EDID_QUIRK('V', 'L', 'V', 0x91b6, EDID_QUIRK_NON_DESKTOP),
197 : EDID_QUIRK('V', 'L', 'V', 0x91b7, EDID_QUIRK_NON_DESKTOP),
198 : EDID_QUIRK('V', 'L', 'V', 0x91b8, EDID_QUIRK_NON_DESKTOP),
199 : EDID_QUIRK('V', 'L', 'V', 0x91b9, EDID_QUIRK_NON_DESKTOP),
200 : EDID_QUIRK('V', 'L', 'V', 0x91ba, EDID_QUIRK_NON_DESKTOP),
201 : EDID_QUIRK('V', 'L', 'V', 0x91bb, EDID_QUIRK_NON_DESKTOP),
202 : EDID_QUIRK('V', 'L', 'V', 0x91bc, EDID_QUIRK_NON_DESKTOP),
203 : EDID_QUIRK('V', 'L', 'V', 0x91bd, EDID_QUIRK_NON_DESKTOP),
204 : EDID_QUIRK('V', 'L', 'V', 0x91be, EDID_QUIRK_NON_DESKTOP),
205 : EDID_QUIRK('V', 'L', 'V', 0x91bf, EDID_QUIRK_NON_DESKTOP),
206 :
207 : /* HTC Vive and Vive Pro VR Headsets */
208 : EDID_QUIRK('H', 'V', 'R', 0xaa01, EDID_QUIRK_NON_DESKTOP),
209 : EDID_QUIRK('H', 'V', 'R', 0xaa02, EDID_QUIRK_NON_DESKTOP),
210 :
211 : /* Oculus Rift DK1, DK2, CV1 and Rift S VR Headsets */
212 : EDID_QUIRK('O', 'V', 'R', 0x0001, EDID_QUIRK_NON_DESKTOP),
213 : EDID_QUIRK('O', 'V', 'R', 0x0003, EDID_QUIRK_NON_DESKTOP),
214 : EDID_QUIRK('O', 'V', 'R', 0x0004, EDID_QUIRK_NON_DESKTOP),
215 : EDID_QUIRK('O', 'V', 'R', 0x0012, EDID_QUIRK_NON_DESKTOP),
216 :
217 : /* Windows Mixed Reality Headsets */
218 : EDID_QUIRK('A', 'C', 'R', 0x7fce, EDID_QUIRK_NON_DESKTOP),
219 : EDID_QUIRK('L', 'E', 'N', 0x0408, EDID_QUIRK_NON_DESKTOP),
220 : EDID_QUIRK('F', 'U', 'J', 0x1970, EDID_QUIRK_NON_DESKTOP),
221 : EDID_QUIRK('D', 'E', 'L', 0x7fce, EDID_QUIRK_NON_DESKTOP),
222 : EDID_QUIRK('S', 'E', 'C', 0x144a, EDID_QUIRK_NON_DESKTOP),
223 : EDID_QUIRK('A', 'U', 'S', 0xc102, EDID_QUIRK_NON_DESKTOP),
224 :
225 : /* Sony PlayStation VR Headset */
226 : EDID_QUIRK('S', 'N', 'Y', 0x0704, EDID_QUIRK_NON_DESKTOP),
227 :
228 : /* Sensics VR Headsets */
229 : EDID_QUIRK('S', 'E', 'N', 0x1019, EDID_QUIRK_NON_DESKTOP),
230 :
231 : /* OSVR HDK and HDK2 VR Headsets */
232 : EDID_QUIRK('S', 'V', 'R', 0x1019, EDID_QUIRK_NON_DESKTOP),
233 : EDID_QUIRK('A', 'U', 'O', 0x1111, EDID_QUIRK_NON_DESKTOP),
234 : };
235 :
236 : /*
237 : * Autogenerated from the DMT spec.
238 : * This table is copied from xfree86/modes/xf86EdidModes.c.
239 : */
240 : static const struct drm_display_mode drm_dmt_modes[] = {
241 : /* 0x01 - 640x350@85Hz */
242 : { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
243 : 736, 832, 0, 350, 382, 385, 445, 0,
244 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
245 : /* 0x02 - 640x400@85Hz */
246 : { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
247 : 736, 832, 0, 400, 401, 404, 445, 0,
248 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
249 : /* 0x03 - 720x400@85Hz */
250 : { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 756,
251 : 828, 936, 0, 400, 401, 404, 446, 0,
252 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
253 : /* 0x04 - 640x480@60Hz */
254 : { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
255 : 752, 800, 0, 480, 490, 492, 525, 0,
256 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
257 : /* 0x05 - 640x480@72Hz */
258 : { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
259 : 704, 832, 0, 480, 489, 492, 520, 0,
260 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
261 : /* 0x06 - 640x480@75Hz */
262 : { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
263 : 720, 840, 0, 480, 481, 484, 500, 0,
264 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
265 : /* 0x07 - 640x480@85Hz */
266 : { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 36000, 640, 696,
267 : 752, 832, 0, 480, 481, 484, 509, 0,
268 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
269 : /* 0x08 - 800x600@56Hz */
270 : { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
271 : 896, 1024, 0, 600, 601, 603, 625, 0,
272 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
273 : /* 0x09 - 800x600@60Hz */
274 : { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
275 : 968, 1056, 0, 600, 601, 605, 628, 0,
276 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
277 : /* 0x0a - 800x600@72Hz */
278 : { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
279 : 976, 1040, 0, 600, 637, 643, 666, 0,
280 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
281 : /* 0x0b - 800x600@75Hz */
282 : { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
283 : 896, 1056, 0, 600, 601, 604, 625, 0,
284 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
285 : /* 0x0c - 800x600@85Hz */
286 : { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 56250, 800, 832,
287 : 896, 1048, 0, 600, 601, 604, 631, 0,
288 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
289 : /* 0x0d - 800x600@120Hz RB */
290 : { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 73250, 800, 848,
291 : 880, 960, 0, 600, 603, 607, 636, 0,
292 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
293 : /* 0x0e - 848x480@60Hz */
294 : { DRM_MODE("848x480", DRM_MODE_TYPE_DRIVER, 33750, 848, 864,
295 : 976, 1088, 0, 480, 486, 494, 517, 0,
296 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
297 : /* 0x0f - 1024x768@43Hz, interlace */
298 : { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032,
299 : 1208, 1264, 0, 768, 768, 776, 817, 0,
300 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
301 : DRM_MODE_FLAG_INTERLACE) },
302 : /* 0x10 - 1024x768@60Hz */
303 : { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
304 : 1184, 1344, 0, 768, 771, 777, 806, 0,
305 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
306 : /* 0x11 - 1024x768@70Hz */
307 : { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
308 : 1184, 1328, 0, 768, 771, 777, 806, 0,
309 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
310 : /* 0x12 - 1024x768@75Hz */
311 : { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
312 : 1136, 1312, 0, 768, 769, 772, 800, 0,
313 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
314 : /* 0x13 - 1024x768@85Hz */
315 : { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 94500, 1024, 1072,
316 : 1168, 1376, 0, 768, 769, 772, 808, 0,
317 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
318 : /* 0x14 - 1024x768@120Hz RB */
319 : { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 115500, 1024, 1072,
320 : 1104, 1184, 0, 768, 771, 775, 813, 0,
321 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
322 : /* 0x15 - 1152x864@75Hz */
323 : { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
324 : 1344, 1600, 0, 864, 865, 868, 900, 0,
325 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
326 : /* 0x55 - 1280x720@60Hz */
327 : { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
328 : 1430, 1650, 0, 720, 725, 730, 750, 0,
329 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
330 : /* 0x16 - 1280x768@60Hz RB */
331 : { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 68250, 1280, 1328,
332 : 1360, 1440, 0, 768, 771, 778, 790, 0,
333 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
334 : /* 0x17 - 1280x768@60Hz */
335 : { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
336 : 1472, 1664, 0, 768, 771, 778, 798, 0,
337 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
338 : /* 0x18 - 1280x768@75Hz */
339 : { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 102250, 1280, 1360,
340 : 1488, 1696, 0, 768, 771, 778, 805, 0,
341 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
342 : /* 0x19 - 1280x768@85Hz */
343 : { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 117500, 1280, 1360,
344 : 1496, 1712, 0, 768, 771, 778, 809, 0,
345 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
346 : /* 0x1a - 1280x768@120Hz RB */
347 : { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 140250, 1280, 1328,
348 : 1360, 1440, 0, 768, 771, 778, 813, 0,
349 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
350 : /* 0x1b - 1280x800@60Hz RB */
351 : { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 71000, 1280, 1328,
352 : 1360, 1440, 0, 800, 803, 809, 823, 0,
353 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
354 : /* 0x1c - 1280x800@60Hz */
355 : { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
356 : 1480, 1680, 0, 800, 803, 809, 831, 0,
357 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
358 : /* 0x1d - 1280x800@75Hz */
359 : { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 106500, 1280, 1360,
360 : 1488, 1696, 0, 800, 803, 809, 838, 0,
361 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
362 : /* 0x1e - 1280x800@85Hz */
363 : { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 122500, 1280, 1360,
364 : 1496, 1712, 0, 800, 803, 809, 843, 0,
365 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
366 : /* 0x1f - 1280x800@120Hz RB */
367 : { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 146250, 1280, 1328,
368 : 1360, 1440, 0, 800, 803, 809, 847, 0,
369 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
370 : /* 0x20 - 1280x960@60Hz */
371 : { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
372 : 1488, 1800, 0, 960, 961, 964, 1000, 0,
373 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
374 : /* 0x21 - 1280x960@85Hz */
375 : { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1344,
376 : 1504, 1728, 0, 960, 961, 964, 1011, 0,
377 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
378 : /* 0x22 - 1280x960@120Hz RB */
379 : { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 175500, 1280, 1328,
380 : 1360, 1440, 0, 960, 963, 967, 1017, 0,
381 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
382 : /* 0x23 - 1280x1024@60Hz */
383 : { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
384 : 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
385 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
386 : /* 0x24 - 1280x1024@75Hz */
387 : { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
388 : 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
389 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
390 : /* 0x25 - 1280x1024@85Hz */
391 : { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 157500, 1280, 1344,
392 : 1504, 1728, 0, 1024, 1025, 1028, 1072, 0,
393 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
394 : /* 0x26 - 1280x1024@120Hz RB */
395 : { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 187250, 1280, 1328,
396 : 1360, 1440, 0, 1024, 1027, 1034, 1084, 0,
397 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
398 : /* 0x27 - 1360x768@60Hz */
399 : { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
400 : 1536, 1792, 0, 768, 771, 777, 795, 0,
401 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
402 : /* 0x28 - 1360x768@120Hz RB */
403 : { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 148250, 1360, 1408,
404 : 1440, 1520, 0, 768, 771, 776, 813, 0,
405 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
406 : /* 0x51 - 1366x768@60Hz */
407 : { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 85500, 1366, 1436,
408 : 1579, 1792, 0, 768, 771, 774, 798, 0,
409 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
410 : /* 0x56 - 1366x768@60Hz */
411 : { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 72000, 1366, 1380,
412 : 1436, 1500, 0, 768, 769, 772, 800, 0,
413 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
414 : /* 0x29 - 1400x1050@60Hz RB */
415 : { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 101000, 1400, 1448,
416 : 1480, 1560, 0, 1050, 1053, 1057, 1080, 0,
417 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
418 : /* 0x2a - 1400x1050@60Hz */
419 : { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
420 : 1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
421 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
422 : /* 0x2b - 1400x1050@75Hz */
423 : { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 156000, 1400, 1504,
424 : 1648, 1896, 0, 1050, 1053, 1057, 1099, 0,
425 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
426 : /* 0x2c - 1400x1050@85Hz */
427 : { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 179500, 1400, 1504,
428 : 1656, 1912, 0, 1050, 1053, 1057, 1105, 0,
429 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
430 : /* 0x2d - 1400x1050@120Hz RB */
431 : { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 208000, 1400, 1448,
432 : 1480, 1560, 0, 1050, 1053, 1057, 1112, 0,
433 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
434 : /* 0x2e - 1440x900@60Hz RB */
435 : { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 88750, 1440, 1488,
436 : 1520, 1600, 0, 900, 903, 909, 926, 0,
437 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
438 : /* 0x2f - 1440x900@60Hz */
439 : { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
440 : 1672, 1904, 0, 900, 903, 909, 934, 0,
441 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
442 : /* 0x30 - 1440x900@75Hz */
443 : { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 136750, 1440, 1536,
444 : 1688, 1936, 0, 900, 903, 909, 942, 0,
445 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
446 : /* 0x31 - 1440x900@85Hz */
447 : { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 157000, 1440, 1544,
448 : 1696, 1952, 0, 900, 903, 909, 948, 0,
449 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
450 : /* 0x32 - 1440x900@120Hz RB */
451 : { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 182750, 1440, 1488,
452 : 1520, 1600, 0, 900, 903, 909, 953, 0,
453 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
454 : /* 0x53 - 1600x900@60Hz */
455 : { DRM_MODE("1600x900", DRM_MODE_TYPE_DRIVER, 108000, 1600, 1624,
456 : 1704, 1800, 0, 900, 901, 904, 1000, 0,
457 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
458 : /* 0x33 - 1600x1200@60Hz */
459 : { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
460 : 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
461 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
462 : /* 0x34 - 1600x1200@65Hz */
463 : { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 175500, 1600, 1664,
464 : 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
465 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
466 : /* 0x35 - 1600x1200@70Hz */
467 : { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 189000, 1600, 1664,
468 : 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
469 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
470 : /* 0x36 - 1600x1200@75Hz */
471 : { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 202500, 1600, 1664,
472 : 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
473 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
474 : /* 0x37 - 1600x1200@85Hz */
475 : { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 229500, 1600, 1664,
476 : 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
477 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
478 : /* 0x38 - 1600x1200@120Hz RB */
479 : { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 268250, 1600, 1648,
480 : 1680, 1760, 0, 1200, 1203, 1207, 1271, 0,
481 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
482 : /* 0x39 - 1680x1050@60Hz RB */
483 : { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 119000, 1680, 1728,
484 : 1760, 1840, 0, 1050, 1053, 1059, 1080, 0,
485 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
486 : /* 0x3a - 1680x1050@60Hz */
487 : { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
488 : 1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
489 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
490 : /* 0x3b - 1680x1050@75Hz */
491 : { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 187000, 1680, 1800,
492 : 1976, 2272, 0, 1050, 1053, 1059, 1099, 0,
493 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
494 : /* 0x3c - 1680x1050@85Hz */
495 : { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 214750, 1680, 1808,
496 : 1984, 2288, 0, 1050, 1053, 1059, 1105, 0,
497 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
498 : /* 0x3d - 1680x1050@120Hz RB */
499 : { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 245500, 1680, 1728,
500 : 1760, 1840, 0, 1050, 1053, 1059, 1112, 0,
501 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
502 : /* 0x3e - 1792x1344@60Hz */
503 : { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
504 : 2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
505 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
506 : /* 0x3f - 1792x1344@75Hz */
507 : { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 261000, 1792, 1888,
508 : 2104, 2456, 0, 1344, 1345, 1348, 1417, 0,
509 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
510 : /* 0x40 - 1792x1344@120Hz RB */
511 : { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 333250, 1792, 1840,
512 : 1872, 1952, 0, 1344, 1347, 1351, 1423, 0,
513 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
514 : /* 0x41 - 1856x1392@60Hz */
515 : { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
516 : 2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
517 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
518 : /* 0x42 - 1856x1392@75Hz */
519 : { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 288000, 1856, 1984,
520 : 2208, 2560, 0, 1392, 1393, 1396, 1500, 0,
521 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
522 : /* 0x43 - 1856x1392@120Hz RB */
523 : { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 356500, 1856, 1904,
524 : 1936, 2016, 0, 1392, 1395, 1399, 1474, 0,
525 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
526 : /* 0x52 - 1920x1080@60Hz */
527 : { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
528 : 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
529 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
530 : /* 0x44 - 1920x1200@60Hz RB */
531 : { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 154000, 1920, 1968,
532 : 2000, 2080, 0, 1200, 1203, 1209, 1235, 0,
533 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
534 : /* 0x45 - 1920x1200@60Hz */
535 : { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
536 : 2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
537 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
538 : /* 0x46 - 1920x1200@75Hz */
539 : { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 245250, 1920, 2056,
540 : 2264, 2608, 0, 1200, 1203, 1209, 1255, 0,
541 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
542 : /* 0x47 - 1920x1200@85Hz */
543 : { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 281250, 1920, 2064,
544 : 2272, 2624, 0, 1200, 1203, 1209, 1262, 0,
545 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
546 : /* 0x48 - 1920x1200@120Hz RB */
547 : { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 317000, 1920, 1968,
548 : 2000, 2080, 0, 1200, 1203, 1209, 1271, 0,
549 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
550 : /* 0x49 - 1920x1440@60Hz */
551 : { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
552 : 2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
553 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
554 : /* 0x4a - 1920x1440@75Hz */
555 : { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2064,
556 : 2288, 2640, 0, 1440, 1441, 1444, 1500, 0,
557 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
558 : /* 0x4b - 1920x1440@120Hz RB */
559 : { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 380500, 1920, 1968,
560 : 2000, 2080, 0, 1440, 1443, 1447, 1525, 0,
561 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
562 : /* 0x54 - 2048x1152@60Hz */
563 : { DRM_MODE("2048x1152", DRM_MODE_TYPE_DRIVER, 162000, 2048, 2074,
564 : 2154, 2250, 0, 1152, 1153, 1156, 1200, 0,
565 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
566 : /* 0x4c - 2560x1600@60Hz RB */
567 : { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 268500, 2560, 2608,
568 : 2640, 2720, 0, 1600, 1603, 1609, 1646, 0,
569 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
570 : /* 0x4d - 2560x1600@60Hz */
571 : { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
572 : 3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
573 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
574 : /* 0x4e - 2560x1600@75Hz */
575 : { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 443250, 2560, 2768,
576 : 3048, 3536, 0, 1600, 1603, 1609, 1672, 0,
577 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
578 : /* 0x4f - 2560x1600@85Hz */
579 : { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 505250, 2560, 2768,
580 : 3048, 3536, 0, 1600, 1603, 1609, 1682, 0,
581 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
582 : /* 0x50 - 2560x1600@120Hz RB */
583 : { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 552750, 2560, 2608,
584 : 2640, 2720, 0, 1600, 1603, 1609, 1694, 0,
585 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
586 : /* 0x57 - 4096x2160@60Hz RB */
587 : { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556744, 4096, 4104,
588 : 4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
589 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
590 : /* 0x58 - 4096x2160@59.94Hz RB */
591 : { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556188, 4096, 4104,
592 : 4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
593 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
594 : };
595 :
596 : /*
597 : * These more or less come from the DMT spec. The 720x400 modes are
598 : * inferred from historical 80x25 practice. The 640x480@67 and 832x624@75
599 : * modes are old-school Mac modes. The EDID spec says the 1152x864@75 mode
600 : * should be 1152x870, again for the Mac, but instead we use the x864 DMT
601 : * mode.
602 : *
603 : * The DMT modes have been fact-checked; the rest are mild guesses.
604 : */
605 : static const struct drm_display_mode edid_est_modes[] = {
606 : { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
607 : 968, 1056, 0, 600, 601, 605, 628, 0,
608 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@60Hz */
609 : { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
610 : 896, 1024, 0, 600, 601, 603, 625, 0,
611 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@56Hz */
612 : { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
613 : 720, 840, 0, 480, 481, 484, 500, 0,
614 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */
615 : { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
616 : 704, 832, 0, 480, 489, 492, 520, 0,
617 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */
618 : { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704,
619 : 768, 864, 0, 480, 483, 486, 525, 0,
620 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */
621 : { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
622 : 752, 800, 0, 480, 490, 492, 525, 0,
623 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */
624 : { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738,
625 : 846, 900, 0, 400, 421, 423, 449, 0,
626 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 720x400@88Hz */
627 : { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738,
628 : 846, 900, 0, 400, 412, 414, 449, 0,
629 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 720x400@70Hz */
630 : { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
631 : 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
632 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */
633 : { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
634 : 1136, 1312, 0, 768, 769, 772, 800, 0,
635 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */
636 : { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
637 : 1184, 1328, 0, 768, 771, 777, 806, 0,
638 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@70Hz */
639 : { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
640 : 1184, 1344, 0, 768, 771, 777, 806, 0,
641 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@60Hz */
642 : { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032,
643 : 1208, 1264, 0, 768, 768, 776, 817, 0,
644 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 1024x768@43Hz */
645 : { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864,
646 : 928, 1152, 0, 624, 625, 628, 667, 0,
647 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 832x624@75Hz */
648 : { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
649 : 896, 1056, 0, 600, 601, 604, 625, 0,
650 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@75Hz */
651 : { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
652 : 976, 1040, 0, 600, 637, 643, 666, 0,
653 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@72Hz */
654 : { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
655 : 1344, 1600, 0, 864, 865, 868, 900, 0,
656 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */
657 : };
658 :
659 : struct minimode {
660 : short w;
661 : short h;
662 : short r;
663 : short rb;
664 : };
665 :
666 : static const struct minimode est3_modes[] = {
667 : /* byte 6 */
668 : { 640, 350, 85, 0 },
669 : { 640, 400, 85, 0 },
670 : { 720, 400, 85, 0 },
671 : { 640, 480, 85, 0 },
672 : { 848, 480, 60, 0 },
673 : { 800, 600, 85, 0 },
674 : { 1024, 768, 85, 0 },
675 : { 1152, 864, 75, 0 },
676 : /* byte 7 */
677 : { 1280, 768, 60, 1 },
678 : { 1280, 768, 60, 0 },
679 : { 1280, 768, 75, 0 },
680 : { 1280, 768, 85, 0 },
681 : { 1280, 960, 60, 0 },
682 : { 1280, 960, 85, 0 },
683 : { 1280, 1024, 60, 0 },
684 : { 1280, 1024, 85, 0 },
685 : /* byte 8 */
686 : { 1360, 768, 60, 0 },
687 : { 1440, 900, 60, 1 },
688 : { 1440, 900, 60, 0 },
689 : { 1440, 900, 75, 0 },
690 : { 1440, 900, 85, 0 },
691 : { 1400, 1050, 60, 1 },
692 : { 1400, 1050, 60, 0 },
693 : { 1400, 1050, 75, 0 },
694 : /* byte 9 */
695 : { 1400, 1050, 85, 0 },
696 : { 1680, 1050, 60, 1 },
697 : { 1680, 1050, 60, 0 },
698 : { 1680, 1050, 75, 0 },
699 : { 1680, 1050, 85, 0 },
700 : { 1600, 1200, 60, 0 },
701 : { 1600, 1200, 65, 0 },
702 : { 1600, 1200, 70, 0 },
703 : /* byte 10 */
704 : { 1600, 1200, 75, 0 },
705 : { 1600, 1200, 85, 0 },
706 : { 1792, 1344, 60, 0 },
707 : { 1792, 1344, 75, 0 },
708 : { 1856, 1392, 60, 0 },
709 : { 1856, 1392, 75, 0 },
710 : { 1920, 1200, 60, 1 },
711 : { 1920, 1200, 60, 0 },
712 : /* byte 11 */
713 : { 1920, 1200, 75, 0 },
714 : { 1920, 1200, 85, 0 },
715 : { 1920, 1440, 60, 0 },
716 : { 1920, 1440, 75, 0 },
717 : };
718 :
719 : static const struct minimode extra_modes[] = {
720 : { 1024, 576, 60, 0 },
721 : { 1366, 768, 60, 0 },
722 : { 1600, 900, 60, 0 },
723 : { 1680, 945, 60, 0 },
724 : { 1920, 1080, 60, 0 },
725 : { 2048, 1152, 60, 0 },
726 : { 2048, 1536, 60, 0 },
727 : };
728 :
729 : /*
730 : * From CEA/CTA-861 spec.
731 : *
732 : * Do not access directly, instead always use cea_mode_for_vic().
733 : */
734 : static const struct drm_display_mode edid_cea_modes_1[] = {
735 : /* 1 - 640x480@60Hz 4:3 */
736 : { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
737 : 752, 800, 0, 480, 490, 492, 525, 0,
738 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
739 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
740 : /* 2 - 720x480@60Hz 4:3 */
741 : { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
742 : 798, 858, 0, 480, 489, 495, 525, 0,
743 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
744 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
745 : /* 3 - 720x480@60Hz 16:9 */
746 : { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
747 : 798, 858, 0, 480, 489, 495, 525, 0,
748 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
749 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
750 : /* 4 - 1280x720@60Hz 16:9 */
751 : { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
752 : 1430, 1650, 0, 720, 725, 730, 750, 0,
753 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
754 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
755 : /* 5 - 1920x1080i@60Hz 16:9 */
756 : { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
757 : 2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
758 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
759 : DRM_MODE_FLAG_INTERLACE),
760 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
761 : /* 6 - 720(1440)x480i@60Hz 4:3 */
762 : { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
763 : 801, 858, 0, 480, 488, 494, 525, 0,
764 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
765 : DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
766 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
767 : /* 7 - 720(1440)x480i@60Hz 16:9 */
768 : { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
769 : 801, 858, 0, 480, 488, 494, 525, 0,
770 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
771 : DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
772 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
773 : /* 8 - 720(1440)x240@60Hz 4:3 */
774 : { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
775 : 801, 858, 0, 240, 244, 247, 262, 0,
776 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
777 : DRM_MODE_FLAG_DBLCLK),
778 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
779 : /* 9 - 720(1440)x240@60Hz 16:9 */
780 : { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
781 : 801, 858, 0, 240, 244, 247, 262, 0,
782 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
783 : DRM_MODE_FLAG_DBLCLK),
784 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
785 : /* 10 - 2880x480i@60Hz 4:3 */
786 : { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
787 : 3204, 3432, 0, 480, 488, 494, 525, 0,
788 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
789 : DRM_MODE_FLAG_INTERLACE),
790 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
791 : /* 11 - 2880x480i@60Hz 16:9 */
792 : { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
793 : 3204, 3432, 0, 480, 488, 494, 525, 0,
794 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
795 : DRM_MODE_FLAG_INTERLACE),
796 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
797 : /* 12 - 2880x240@60Hz 4:3 */
798 : { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
799 : 3204, 3432, 0, 240, 244, 247, 262, 0,
800 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
801 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
802 : /* 13 - 2880x240@60Hz 16:9 */
803 : { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
804 : 3204, 3432, 0, 240, 244, 247, 262, 0,
805 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
806 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
807 : /* 14 - 1440x480@60Hz 4:3 */
808 : { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
809 : 1596, 1716, 0, 480, 489, 495, 525, 0,
810 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
811 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
812 : /* 15 - 1440x480@60Hz 16:9 */
813 : { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
814 : 1596, 1716, 0, 480, 489, 495, 525, 0,
815 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
816 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
817 : /* 16 - 1920x1080@60Hz 16:9 */
818 : { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
819 : 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
820 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
821 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
822 : /* 17 - 720x576@50Hz 4:3 */
823 : { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
824 : 796, 864, 0, 576, 581, 586, 625, 0,
825 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
826 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
827 : /* 18 - 720x576@50Hz 16:9 */
828 : { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
829 : 796, 864, 0, 576, 581, 586, 625, 0,
830 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
831 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
832 : /* 19 - 1280x720@50Hz 16:9 */
833 : { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
834 : 1760, 1980, 0, 720, 725, 730, 750, 0,
835 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
836 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
837 : /* 20 - 1920x1080i@50Hz 16:9 */
838 : { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
839 : 2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
840 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
841 : DRM_MODE_FLAG_INTERLACE),
842 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
843 : /* 21 - 720(1440)x576i@50Hz 4:3 */
844 : { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
845 : 795, 864, 0, 576, 580, 586, 625, 0,
846 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
847 : DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
848 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
849 : /* 22 - 720(1440)x576i@50Hz 16:9 */
850 : { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
851 : 795, 864, 0, 576, 580, 586, 625, 0,
852 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
853 : DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
854 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
855 : /* 23 - 720(1440)x288@50Hz 4:3 */
856 : { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
857 : 795, 864, 0, 288, 290, 293, 312, 0,
858 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
859 : DRM_MODE_FLAG_DBLCLK),
860 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
861 : /* 24 - 720(1440)x288@50Hz 16:9 */
862 : { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
863 : 795, 864, 0, 288, 290, 293, 312, 0,
864 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
865 : DRM_MODE_FLAG_DBLCLK),
866 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
867 : /* 25 - 2880x576i@50Hz 4:3 */
868 : { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
869 : 3180, 3456, 0, 576, 580, 586, 625, 0,
870 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
871 : DRM_MODE_FLAG_INTERLACE),
872 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
873 : /* 26 - 2880x576i@50Hz 16:9 */
874 : { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
875 : 3180, 3456, 0, 576, 580, 586, 625, 0,
876 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
877 : DRM_MODE_FLAG_INTERLACE),
878 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
879 : /* 27 - 2880x288@50Hz 4:3 */
880 : { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
881 : 3180, 3456, 0, 288, 290, 293, 312, 0,
882 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
883 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
884 : /* 28 - 2880x288@50Hz 16:9 */
885 : { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
886 : 3180, 3456, 0, 288, 290, 293, 312, 0,
887 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
888 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
889 : /* 29 - 1440x576@50Hz 4:3 */
890 : { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
891 : 1592, 1728, 0, 576, 581, 586, 625, 0,
892 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
893 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
894 : /* 30 - 1440x576@50Hz 16:9 */
895 : { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
896 : 1592, 1728, 0, 576, 581, 586, 625, 0,
897 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
898 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
899 : /* 31 - 1920x1080@50Hz 16:9 */
900 : { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
901 : 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
902 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
903 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
904 : /* 32 - 1920x1080@24Hz 16:9 */
905 : { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
906 : 2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
907 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
908 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
909 : /* 33 - 1920x1080@25Hz 16:9 */
910 : { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
911 : 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
912 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
913 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
914 : /* 34 - 1920x1080@30Hz 16:9 */
915 : { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
916 : 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
917 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
918 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
919 : /* 35 - 2880x480@60Hz 4:3 */
920 : { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
921 : 3192, 3432, 0, 480, 489, 495, 525, 0,
922 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
923 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
924 : /* 36 - 2880x480@60Hz 16:9 */
925 : { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
926 : 3192, 3432, 0, 480, 489, 495, 525, 0,
927 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
928 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
929 : /* 37 - 2880x576@50Hz 4:3 */
930 : { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
931 : 3184, 3456, 0, 576, 581, 586, 625, 0,
932 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
933 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
934 : /* 38 - 2880x576@50Hz 16:9 */
935 : { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
936 : 3184, 3456, 0, 576, 581, 586, 625, 0,
937 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
938 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
939 : /* 39 - 1920x1080i@50Hz 16:9 */
940 : { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 72000, 1920, 1952,
941 : 2120, 2304, 0, 1080, 1126, 1136, 1250, 0,
942 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC |
943 : DRM_MODE_FLAG_INTERLACE),
944 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
945 : /* 40 - 1920x1080i@100Hz 16:9 */
946 : { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
947 : 2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
948 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
949 : DRM_MODE_FLAG_INTERLACE),
950 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
951 : /* 41 - 1280x720@100Hz 16:9 */
952 : { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
953 : 1760, 1980, 0, 720, 725, 730, 750, 0,
954 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
955 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
956 : /* 42 - 720x576@100Hz 4:3 */
957 : { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
958 : 796, 864, 0, 576, 581, 586, 625, 0,
959 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
960 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
961 : /* 43 - 720x576@100Hz 16:9 */
962 : { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
963 : 796, 864, 0, 576, 581, 586, 625, 0,
964 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
965 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
966 : /* 44 - 720(1440)x576i@100Hz 4:3 */
967 : { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
968 : 795, 864, 0, 576, 580, 586, 625, 0,
969 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
970 : DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
971 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
972 : /* 45 - 720(1440)x576i@100Hz 16:9 */
973 : { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
974 : 795, 864, 0, 576, 580, 586, 625, 0,
975 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
976 : DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
977 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
978 : /* 46 - 1920x1080i@120Hz 16:9 */
979 : { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
980 : 2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
981 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
982 : DRM_MODE_FLAG_INTERLACE),
983 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
984 : /* 47 - 1280x720@120Hz 16:9 */
985 : { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
986 : 1430, 1650, 0, 720, 725, 730, 750, 0,
987 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
988 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
989 : /* 48 - 720x480@120Hz 4:3 */
990 : { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
991 : 798, 858, 0, 480, 489, 495, 525, 0,
992 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
993 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
994 : /* 49 - 720x480@120Hz 16:9 */
995 : { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
996 : 798, 858, 0, 480, 489, 495, 525, 0,
997 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
998 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
999 : /* 50 - 720(1440)x480i@120Hz 4:3 */
1000 : { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
1001 : 801, 858, 0, 480, 488, 494, 525, 0,
1002 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1003 : DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1004 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1005 : /* 51 - 720(1440)x480i@120Hz 16:9 */
1006 : { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
1007 : 801, 858, 0, 480, 488, 494, 525, 0,
1008 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1009 : DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1010 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1011 : /* 52 - 720x576@200Hz 4:3 */
1012 : { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
1013 : 796, 864, 0, 576, 581, 586, 625, 0,
1014 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1015 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1016 : /* 53 - 720x576@200Hz 16:9 */
1017 : { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
1018 : 796, 864, 0, 576, 581, 586, 625, 0,
1019 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1020 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1021 : /* 54 - 720(1440)x576i@200Hz 4:3 */
1022 : { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1023 : 795, 864, 0, 576, 580, 586, 625, 0,
1024 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1025 : DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1026 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1027 : /* 55 - 720(1440)x576i@200Hz 16:9 */
1028 : { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1029 : 795, 864, 0, 576, 580, 586, 625, 0,
1030 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1031 : DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1032 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1033 : /* 56 - 720x480@240Hz 4:3 */
1034 : { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1035 : 798, 858, 0, 480, 489, 495, 525, 0,
1036 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1037 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1038 : /* 57 - 720x480@240Hz 16:9 */
1039 : { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1040 : 798, 858, 0, 480, 489, 495, 525, 0,
1041 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1042 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1043 : /* 58 - 720(1440)x480i@240Hz 4:3 */
1044 : { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1045 : 801, 858, 0, 480, 488, 494, 525, 0,
1046 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1047 : DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1048 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1049 : /* 59 - 720(1440)x480i@240Hz 16:9 */
1050 : { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1051 : 801, 858, 0, 480, 488, 494, 525, 0,
1052 : DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1053 : DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1054 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1055 : /* 60 - 1280x720@24Hz 16:9 */
1056 : { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1057 : 3080, 3300, 0, 720, 725, 730, 750, 0,
1058 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1059 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1060 : /* 61 - 1280x720@25Hz 16:9 */
1061 : { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1062 : 3740, 3960, 0, 720, 725, 730, 750, 0,
1063 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1064 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1065 : /* 62 - 1280x720@30Hz 16:9 */
1066 : { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1067 : 3080, 3300, 0, 720, 725, 730, 750, 0,
1068 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1069 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1070 : /* 63 - 1920x1080@120Hz 16:9 */
1071 : { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1072 : 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1073 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1074 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1075 : /* 64 - 1920x1080@100Hz 16:9 */
1076 : { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1077 : 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1078 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1079 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1080 : /* 65 - 1280x720@24Hz 64:27 */
1081 : { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1082 : 3080, 3300, 0, 720, 725, 730, 750, 0,
1083 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1084 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1085 : /* 66 - 1280x720@25Hz 64:27 */
1086 : { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1087 : 3740, 3960, 0, 720, 725, 730, 750, 0,
1088 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1089 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1090 : /* 67 - 1280x720@30Hz 64:27 */
1091 : { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1092 : 3080, 3300, 0, 720, 725, 730, 750, 0,
1093 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1094 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1095 : /* 68 - 1280x720@50Hz 64:27 */
1096 : { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
1097 : 1760, 1980, 0, 720, 725, 730, 750, 0,
1098 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1099 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1100 : /* 69 - 1280x720@60Hz 64:27 */
1101 : { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
1102 : 1430, 1650, 0, 720, 725, 730, 750, 0,
1103 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1104 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1105 : /* 70 - 1280x720@100Hz 64:27 */
1106 : { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
1107 : 1760, 1980, 0, 720, 725, 730, 750, 0,
1108 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1109 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1110 : /* 71 - 1280x720@120Hz 64:27 */
1111 : { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
1112 : 1430, 1650, 0, 720, 725, 730, 750, 0,
1113 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1114 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1115 : /* 72 - 1920x1080@24Hz 64:27 */
1116 : { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
1117 : 2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1118 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1119 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1120 : /* 73 - 1920x1080@25Hz 64:27 */
1121 : { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
1122 : 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1123 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1124 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1125 : /* 74 - 1920x1080@30Hz 64:27 */
1126 : { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
1127 : 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1128 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1129 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1130 : /* 75 - 1920x1080@50Hz 64:27 */
1131 : { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
1132 : 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1133 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1134 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1135 : /* 76 - 1920x1080@60Hz 64:27 */
1136 : { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
1137 : 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1138 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1139 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1140 : /* 77 - 1920x1080@100Hz 64:27 */
1141 : { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1142 : 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1143 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1144 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1145 : /* 78 - 1920x1080@120Hz 64:27 */
1146 : { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1147 : 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1148 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1149 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1150 : /* 79 - 1680x720@24Hz 64:27 */
1151 : { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 3040,
1152 : 3080, 3300, 0, 720, 725, 730, 750, 0,
1153 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1154 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1155 : /* 80 - 1680x720@25Hz 64:27 */
1156 : { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2908,
1157 : 2948, 3168, 0, 720, 725, 730, 750, 0,
1158 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1159 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1160 : /* 81 - 1680x720@30Hz 64:27 */
1161 : { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2380,
1162 : 2420, 2640, 0, 720, 725, 730, 750, 0,
1163 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1164 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1165 : /* 82 - 1680x720@50Hz 64:27 */
1166 : { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 82500, 1680, 1940,
1167 : 1980, 2200, 0, 720, 725, 730, 750, 0,
1168 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1169 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1170 : /* 83 - 1680x720@60Hz 64:27 */
1171 : { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 1940,
1172 : 1980, 2200, 0, 720, 725, 730, 750, 0,
1173 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1174 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1175 : /* 84 - 1680x720@100Hz 64:27 */
1176 : { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 165000, 1680, 1740,
1177 : 1780, 2000, 0, 720, 725, 730, 825, 0,
1178 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1179 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1180 : /* 85 - 1680x720@120Hz 64:27 */
1181 : { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 198000, 1680, 1740,
1182 : 1780, 2000, 0, 720, 725, 730, 825, 0,
1183 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1184 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1185 : /* 86 - 2560x1080@24Hz 64:27 */
1186 : { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 99000, 2560, 3558,
1187 : 3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1188 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1189 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1190 : /* 87 - 2560x1080@25Hz 64:27 */
1191 : { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 90000, 2560, 3008,
1192 : 3052, 3200, 0, 1080, 1084, 1089, 1125, 0,
1193 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1194 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1195 : /* 88 - 2560x1080@30Hz 64:27 */
1196 : { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 118800, 2560, 3328,
1197 : 3372, 3520, 0, 1080, 1084, 1089, 1125, 0,
1198 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1199 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1200 : /* 89 - 2560x1080@50Hz 64:27 */
1201 : { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 185625, 2560, 3108,
1202 : 3152, 3300, 0, 1080, 1084, 1089, 1125, 0,
1203 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1204 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1205 : /* 90 - 2560x1080@60Hz 64:27 */
1206 : { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 2808,
1207 : 2852, 3000, 0, 1080, 1084, 1089, 1100, 0,
1208 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1209 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1210 : /* 91 - 2560x1080@100Hz 64:27 */
1211 : { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 371250, 2560, 2778,
1212 : 2822, 2970, 0, 1080, 1084, 1089, 1250, 0,
1213 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1214 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1215 : /* 92 - 2560x1080@120Hz 64:27 */
1216 : { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 495000, 2560, 3108,
1217 : 3152, 3300, 0, 1080, 1084, 1089, 1250, 0,
1218 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1219 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1220 : /* 93 - 3840x2160@24Hz 16:9 */
1221 : { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1222 : 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1223 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1224 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1225 : /* 94 - 3840x2160@25Hz 16:9 */
1226 : { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1227 : 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1228 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1229 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1230 : /* 95 - 3840x2160@30Hz 16:9 */
1231 : { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1232 : 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1233 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1234 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1235 : /* 96 - 3840x2160@50Hz 16:9 */
1236 : { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1237 : 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1238 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1239 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1240 : /* 97 - 3840x2160@60Hz 16:9 */
1241 : { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1242 : 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1243 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1244 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1245 : /* 98 - 4096x2160@24Hz 256:135 */
1246 : { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5116,
1247 : 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1248 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1249 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1250 : /* 99 - 4096x2160@25Hz 256:135 */
1251 : { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5064,
1252 : 5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1253 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1254 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1255 : /* 100 - 4096x2160@30Hz 256:135 */
1256 : { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 4184,
1257 : 4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1258 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1259 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1260 : /* 101 - 4096x2160@50Hz 256:135 */
1261 : { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5064,
1262 : 5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1263 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1264 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1265 : /* 102 - 4096x2160@60Hz 256:135 */
1266 : { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 4184,
1267 : 4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1268 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1269 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1270 : /* 103 - 3840x2160@24Hz 64:27 */
1271 : { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1272 : 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1273 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1274 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1275 : /* 104 - 3840x2160@25Hz 64:27 */
1276 : { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1277 : 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1278 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1279 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1280 : /* 105 - 3840x2160@30Hz 64:27 */
1281 : { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1282 : 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1283 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1284 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1285 : /* 106 - 3840x2160@50Hz 64:27 */
1286 : { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1287 : 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1288 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1289 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1290 : /* 107 - 3840x2160@60Hz 64:27 */
1291 : { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1292 : 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1293 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1294 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1295 : /* 108 - 1280x720@48Hz 16:9 */
1296 : { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1297 : 2280, 2500, 0, 720, 725, 730, 750, 0,
1298 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1299 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1300 : /* 109 - 1280x720@48Hz 64:27 */
1301 : { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1302 : 2280, 2500, 0, 720, 725, 730, 750, 0,
1303 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1304 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1305 : /* 110 - 1680x720@48Hz 64:27 */
1306 : { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 2490,
1307 : 2530, 2750, 0, 720, 725, 730, 750, 0,
1308 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1309 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1310 : /* 111 - 1920x1080@48Hz 16:9 */
1311 : { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1312 : 2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1313 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1314 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1315 : /* 112 - 1920x1080@48Hz 64:27 */
1316 : { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1317 : 2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1318 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1319 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1320 : /* 113 - 2560x1080@48Hz 64:27 */
1321 : { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 3558,
1322 : 3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1323 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1324 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1325 : /* 114 - 3840x2160@48Hz 16:9 */
1326 : { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1327 : 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1328 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1329 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1330 : /* 115 - 4096x2160@48Hz 256:135 */
1331 : { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5116,
1332 : 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1333 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1334 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1335 : /* 116 - 3840x2160@48Hz 64:27 */
1336 : { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1337 : 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1338 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1339 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1340 : /* 117 - 3840x2160@100Hz 16:9 */
1341 : { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1342 : 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1343 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1344 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1345 : /* 118 - 3840x2160@120Hz 16:9 */
1346 : { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1347 : 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1348 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1349 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1350 : /* 119 - 3840x2160@100Hz 64:27 */
1351 : { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1352 : 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1353 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1354 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1355 : /* 120 - 3840x2160@120Hz 64:27 */
1356 : { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1357 : 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1358 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1359 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1360 : /* 121 - 5120x2160@24Hz 64:27 */
1361 : { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 7116,
1362 : 7204, 7500, 0, 2160, 2168, 2178, 2200, 0,
1363 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1364 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1365 : /* 122 - 5120x2160@25Hz 64:27 */
1366 : { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 6816,
1367 : 6904, 7200, 0, 2160, 2168, 2178, 2200, 0,
1368 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1369 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1370 : /* 123 - 5120x2160@30Hz 64:27 */
1371 : { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 5784,
1372 : 5872, 6000, 0, 2160, 2168, 2178, 2200, 0,
1373 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1374 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1375 : /* 124 - 5120x2160@48Hz 64:27 */
1376 : { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5866,
1377 : 5954, 6250, 0, 2160, 2168, 2178, 2475, 0,
1378 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1379 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1380 : /* 125 - 5120x2160@50Hz 64:27 */
1381 : { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 6216,
1382 : 6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1383 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1384 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1385 : /* 126 - 5120x2160@60Hz 64:27 */
1386 : { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5284,
1387 : 5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1388 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1389 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1390 : /* 127 - 5120x2160@100Hz 64:27 */
1391 : { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 6216,
1392 : 6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1393 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1394 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1395 : };
1396 :
1397 : /*
1398 : * From CEA/CTA-861 spec.
1399 : *
1400 : * Do not access directly, instead always use cea_mode_for_vic().
1401 : */
1402 : static const struct drm_display_mode edid_cea_modes_193[] = {
1403 : /* 193 - 5120x2160@120Hz 64:27 */
1404 : { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 5284,
1405 : 5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1406 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1407 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1408 : /* 194 - 7680x4320@24Hz 16:9 */
1409 : { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1410 : 10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1411 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1412 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1413 : /* 195 - 7680x4320@25Hz 16:9 */
1414 : { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1415 : 10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1416 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1417 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1418 : /* 196 - 7680x4320@30Hz 16:9 */
1419 : { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1420 : 8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1421 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1422 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1423 : /* 197 - 7680x4320@48Hz 16:9 */
1424 : { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1425 : 10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1426 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1427 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1428 : /* 198 - 7680x4320@50Hz 16:9 */
1429 : { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1430 : 10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1431 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1432 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1433 : /* 199 - 7680x4320@60Hz 16:9 */
1434 : { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1435 : 8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1436 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1437 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1438 : /* 200 - 7680x4320@100Hz 16:9 */
1439 : { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1440 : 9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1441 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1442 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1443 : /* 201 - 7680x4320@120Hz 16:9 */
1444 : { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1445 : 8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1446 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1447 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1448 : /* 202 - 7680x4320@24Hz 64:27 */
1449 : { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1450 : 10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1451 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1452 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1453 : /* 203 - 7680x4320@25Hz 64:27 */
1454 : { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1455 : 10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1456 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1457 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1458 : /* 204 - 7680x4320@30Hz 64:27 */
1459 : { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1460 : 8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1461 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1462 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1463 : /* 205 - 7680x4320@48Hz 64:27 */
1464 : { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1465 : 10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1466 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1467 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1468 : /* 206 - 7680x4320@50Hz 64:27 */
1469 : { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1470 : 10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1471 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1472 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1473 : /* 207 - 7680x4320@60Hz 64:27 */
1474 : { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1475 : 8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1476 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1477 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1478 : /* 208 - 7680x4320@100Hz 64:27 */
1479 : { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1480 : 9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1481 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1482 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1483 : /* 209 - 7680x4320@120Hz 64:27 */
1484 : { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1485 : 8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1486 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1487 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1488 : /* 210 - 10240x4320@24Hz 64:27 */
1489 : { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 11732,
1490 : 11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1491 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1492 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1493 : /* 211 - 10240x4320@25Hz 64:27 */
1494 : { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 12732,
1495 : 12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1496 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1497 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1498 : /* 212 - 10240x4320@30Hz 64:27 */
1499 : { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 10528,
1500 : 10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1501 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1502 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1503 : /* 213 - 10240x4320@48Hz 64:27 */
1504 : { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 11732,
1505 : 11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1506 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1507 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1508 : /* 214 - 10240x4320@50Hz 64:27 */
1509 : { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 12732,
1510 : 12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1511 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1512 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1513 : /* 215 - 10240x4320@60Hz 64:27 */
1514 : { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 10528,
1515 : 10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1516 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1517 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1518 : /* 216 - 10240x4320@100Hz 64:27 */
1519 : { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 12432,
1520 : 12608, 13200, 0, 4320, 4336, 4356, 4500, 0,
1521 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1522 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1523 : /* 217 - 10240x4320@120Hz 64:27 */
1524 : { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 10528,
1525 : 10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1526 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1527 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1528 : /* 218 - 4096x2160@100Hz 256:135 */
1529 : { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4896,
1530 : 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1531 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1532 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1533 : /* 219 - 4096x2160@120Hz 256:135 */
1534 : { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4184,
1535 : 4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1536 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1537 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1538 : };
1539 :
1540 : /*
1541 : * HDMI 1.4 4k modes. Index using the VIC.
1542 : */
1543 : static const struct drm_display_mode edid_4k_modes[] = {
1544 : /* 0 - dummy, VICs start at 1 */
1545 : { },
1546 : /* 1 - 3840x2160@30Hz */
1547 : { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1548 : 3840, 4016, 4104, 4400, 0,
1549 : 2160, 2168, 2178, 2250, 0,
1550 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1551 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1552 : /* 2 - 3840x2160@25Hz */
1553 : { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1554 : 3840, 4896, 4984, 5280, 0,
1555 : 2160, 2168, 2178, 2250, 0,
1556 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1557 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1558 : /* 3 - 3840x2160@24Hz */
1559 : { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1560 : 3840, 5116, 5204, 5500, 0,
1561 : 2160, 2168, 2178, 2250, 0,
1562 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1563 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1564 : /* 4 - 4096x2160@24Hz (SMPTE) */
1565 : { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000,
1566 : 4096, 5116, 5204, 5500, 0,
1567 : 2160, 2168, 2178, 2250, 0,
1568 : DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1569 : .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1570 : };
1571 :
1572 : /*** DDC fetch and block validation ***/
1573 :
1574 : /*
1575 : * The opaque EDID type, internal to drm_edid.c.
1576 : */
1577 : struct drm_edid {
1578 : /* Size allocated for edid */
1579 : size_t size;
1580 : const struct edid *edid;
1581 : };
1582 :
1583 : static int edid_hfeeodb_extension_block_count(const struct edid *edid);
1584 :
1585 : static int edid_hfeeodb_block_count(const struct edid *edid)
1586 : {
1587 0 : int eeodb = edid_hfeeodb_extension_block_count(edid);
1588 :
1589 0 : return eeodb ? eeodb + 1 : 0;
1590 : }
1591 :
1592 : static int edid_extension_block_count(const struct edid *edid)
1593 : {
1594 0 : return edid->extensions;
1595 : }
1596 :
1597 : static int edid_block_count(const struct edid *edid)
1598 : {
1599 0 : return edid_extension_block_count(edid) + 1;
1600 : }
1601 :
1602 : static int edid_size_by_blocks(int num_blocks)
1603 : {
1604 0 : return num_blocks * EDID_LENGTH;
1605 : }
1606 :
1607 : static int edid_size(const struct edid *edid)
1608 : {
1609 0 : return edid_size_by_blocks(edid_block_count(edid));
1610 : }
1611 :
1612 : static const void *edid_block_data(const struct edid *edid, int index)
1613 : {
1614 : BUILD_BUG_ON(sizeof(*edid) != EDID_LENGTH);
1615 :
1616 0 : return edid + index;
1617 : }
1618 :
1619 : static const void *edid_extension_block_data(const struct edid *edid, int index)
1620 : {
1621 0 : return edid_block_data(edid, index + 1);
1622 : }
1623 :
1624 : /* EDID block count indicated in EDID, may exceed allocated size */
1625 0 : static int __drm_edid_block_count(const struct drm_edid *drm_edid)
1626 : {
1627 : int num_blocks;
1628 :
1629 : /* Starting point */
1630 0 : num_blocks = edid_block_count(drm_edid->edid);
1631 :
1632 : /* HF-EEODB override */
1633 0 : if (drm_edid->size >= edid_size_by_blocks(2)) {
1634 : int eeodb;
1635 :
1636 : /*
1637 : * Note: HF-EEODB may specify a smaller extension count than the
1638 : * regular one. Unlike in buffer allocation, here we can use it.
1639 : */
1640 0 : eeodb = edid_hfeeodb_block_count(drm_edid->edid);
1641 0 : if (eeodb)
1642 0 : num_blocks = eeodb;
1643 : }
1644 :
1645 0 : return num_blocks;
1646 : }
1647 :
1648 : /* EDID block count, limited by allocated size */
1649 : static int drm_edid_block_count(const struct drm_edid *drm_edid)
1650 : {
1651 : /* Limit by allocated size */
1652 0 : return min(__drm_edid_block_count(drm_edid),
1653 : (int)drm_edid->size / EDID_LENGTH);
1654 : }
1655 :
1656 : /* EDID extension block count, limited by allocated size */
1657 : static int drm_edid_extension_block_count(const struct drm_edid *drm_edid)
1658 : {
1659 0 : return drm_edid_block_count(drm_edid) - 1;
1660 : }
1661 :
1662 : static const void *drm_edid_block_data(const struct drm_edid *drm_edid, int index)
1663 : {
1664 0 : return edid_block_data(drm_edid->edid, index);
1665 : }
1666 :
1667 : static const void *drm_edid_extension_block_data(const struct drm_edid *drm_edid,
1668 : int index)
1669 : {
1670 0 : return edid_extension_block_data(drm_edid->edid, index);
1671 : }
1672 :
1673 : /*
1674 : * Initializer helper for legacy interfaces, where we have no choice but to
1675 : * trust edid size. Not for general purpose use.
1676 : */
1677 : static const struct drm_edid *drm_edid_legacy_init(struct drm_edid *drm_edid,
1678 : const struct edid *edid)
1679 : {
1680 0 : if (!edid)
1681 : return NULL;
1682 :
1683 0 : memset(drm_edid, 0, sizeof(*drm_edid));
1684 :
1685 0 : drm_edid->edid = edid;
1686 0 : drm_edid->size = edid_size(edid);
1687 :
1688 : return drm_edid;
1689 : }
1690 :
1691 : /*
1692 : * EDID base and extension block iterator.
1693 : *
1694 : * struct drm_edid_iter iter;
1695 : * const u8 *block;
1696 : *
1697 : * drm_edid_iter_begin(drm_edid, &iter);
1698 : * drm_edid_iter_for_each(block, &iter) {
1699 : * // do stuff with block
1700 : * }
1701 : * drm_edid_iter_end(&iter);
1702 : */
1703 : struct drm_edid_iter {
1704 : const struct drm_edid *drm_edid;
1705 :
1706 : /* Current block index. */
1707 : int index;
1708 : };
1709 :
1710 : static void drm_edid_iter_begin(const struct drm_edid *drm_edid,
1711 : struct drm_edid_iter *iter)
1712 : {
1713 0 : memset(iter, 0, sizeof(*iter));
1714 :
1715 0 : iter->drm_edid = drm_edid;
1716 : }
1717 :
1718 0 : static const void *__drm_edid_iter_next(struct drm_edid_iter *iter)
1719 : {
1720 0 : const void *block = NULL;
1721 :
1722 0 : if (!iter->drm_edid)
1723 : return NULL;
1724 :
1725 0 : if (iter->index < drm_edid_block_count(iter->drm_edid))
1726 0 : block = drm_edid_block_data(iter->drm_edid, iter->index++);
1727 :
1728 : return block;
1729 : }
1730 :
1731 : #define drm_edid_iter_for_each(__block, __iter) \
1732 : while (((__block) = __drm_edid_iter_next(__iter)))
1733 :
1734 : static void drm_edid_iter_end(struct drm_edid_iter *iter)
1735 : {
1736 0 : memset(iter, 0, sizeof(*iter));
1737 : }
1738 :
1739 : static const u8 edid_header[] = {
1740 : 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
1741 : };
1742 :
1743 : static void edid_header_fix(void *edid)
1744 : {
1745 0 : memcpy(edid, edid_header, sizeof(edid_header));
1746 : }
1747 :
1748 : /**
1749 : * drm_edid_header_is_valid - sanity check the header of the base EDID block
1750 : * @_edid: pointer to raw base EDID block
1751 : *
1752 : * Sanity check the header of the base EDID block.
1753 : *
1754 : * Return: 8 if the header is perfect, down to 0 if it's totally wrong.
1755 : */
1756 0 : int drm_edid_header_is_valid(const void *_edid)
1757 : {
1758 0 : const struct edid *edid = _edid;
1759 0 : int i, score = 0;
1760 :
1761 0 : for (i = 0; i < sizeof(edid_header); i++) {
1762 0 : if (edid->header[i] == edid_header[i])
1763 0 : score++;
1764 : }
1765 :
1766 0 : return score;
1767 : }
1768 : EXPORT_SYMBOL(drm_edid_header_is_valid);
1769 :
1770 : static int edid_fixup __read_mostly = 6;
1771 : module_param_named(edid_fixup, edid_fixup, int, 0400);
1772 : MODULE_PARM_DESC(edid_fixup,
1773 : "Minimum number of valid EDID header bytes (0-8, default 6)");
1774 :
1775 : static int edid_block_compute_checksum(const void *_block)
1776 : {
1777 0 : const u8 *block = _block;
1778 : int i;
1779 0 : u8 csum = 0, crc = 0;
1780 :
1781 0 : for (i = 0; i < EDID_LENGTH - 1; i++)
1782 0 : csum += block[i];
1783 :
1784 0 : crc = 0x100 - csum;
1785 :
1786 0 : return crc;
1787 : }
1788 :
1789 : static int edid_block_get_checksum(const void *_block)
1790 : {
1791 0 : const struct edid *block = _block;
1792 :
1793 0 : return block->checksum;
1794 : }
1795 :
1796 : static int edid_block_tag(const void *_block)
1797 : {
1798 0 : const u8 *block = _block;
1799 :
1800 0 : return block[0];
1801 : }
1802 :
1803 : static bool edid_block_is_zero(const void *edid)
1804 : {
1805 0 : return !memchr_inv(edid, 0, EDID_LENGTH);
1806 : }
1807 :
1808 : /**
1809 : * drm_edid_are_equal - compare two edid blobs.
1810 : * @edid1: pointer to first blob
1811 : * @edid2: pointer to second blob
1812 : * This helper can be used during probing to determine if
1813 : * edid had changed.
1814 : */
1815 0 : bool drm_edid_are_equal(const struct edid *edid1, const struct edid *edid2)
1816 : {
1817 : int edid1_len, edid2_len;
1818 0 : bool edid1_present = edid1 != NULL;
1819 0 : bool edid2_present = edid2 != NULL;
1820 :
1821 0 : if (edid1_present != edid2_present)
1822 : return false;
1823 :
1824 0 : if (edid1) {
1825 0 : edid1_len = edid_size(edid1);
1826 0 : edid2_len = edid_size(edid2);
1827 :
1828 0 : if (edid1_len != edid2_len)
1829 : return false;
1830 :
1831 0 : if (memcmp(edid1, edid2, edid1_len))
1832 : return false;
1833 : }
1834 :
1835 : return true;
1836 : }
1837 : EXPORT_SYMBOL(drm_edid_are_equal);
1838 :
1839 : enum edid_block_status {
1840 : EDID_BLOCK_OK = 0,
1841 : EDID_BLOCK_READ_FAIL,
1842 : EDID_BLOCK_NULL,
1843 : EDID_BLOCK_ZERO,
1844 : EDID_BLOCK_HEADER_CORRUPT,
1845 : EDID_BLOCK_HEADER_REPAIR,
1846 : EDID_BLOCK_HEADER_FIXED,
1847 : EDID_BLOCK_CHECKSUM,
1848 : EDID_BLOCK_VERSION,
1849 : };
1850 :
1851 0 : static enum edid_block_status edid_block_check(const void *_block,
1852 : bool is_base_block)
1853 : {
1854 0 : const struct edid *block = _block;
1855 :
1856 0 : if (!block)
1857 : return EDID_BLOCK_NULL;
1858 :
1859 0 : if (is_base_block) {
1860 0 : int score = drm_edid_header_is_valid(block);
1861 :
1862 0 : if (score < clamp(edid_fixup, 0, 8)) {
1863 0 : if (edid_block_is_zero(block))
1864 : return EDID_BLOCK_ZERO;
1865 : else
1866 0 : return EDID_BLOCK_HEADER_CORRUPT;
1867 : }
1868 :
1869 0 : if (score < 8)
1870 : return EDID_BLOCK_HEADER_REPAIR;
1871 : }
1872 :
1873 0 : if (edid_block_compute_checksum(block) != edid_block_get_checksum(block)) {
1874 0 : if (edid_block_is_zero(block))
1875 : return EDID_BLOCK_ZERO;
1876 : else
1877 0 : return EDID_BLOCK_CHECKSUM;
1878 : }
1879 :
1880 0 : if (is_base_block) {
1881 0 : if (block->version != 1)
1882 : return EDID_BLOCK_VERSION;
1883 : }
1884 :
1885 0 : return EDID_BLOCK_OK;
1886 : }
1887 :
1888 : static bool edid_block_status_valid(enum edid_block_status status, int tag)
1889 : {
1890 0 : return status == EDID_BLOCK_OK ||
1891 0 : status == EDID_BLOCK_HEADER_FIXED ||
1892 0 : (status == EDID_BLOCK_CHECKSUM && tag == CEA_EXT);
1893 : }
1894 :
1895 0 : static bool edid_block_valid(const void *block, bool base)
1896 : {
1897 0 : return edid_block_status_valid(edid_block_check(block, base),
1898 : edid_block_tag(block));
1899 : }
1900 :
1901 0 : static void edid_block_status_print(enum edid_block_status status,
1902 : const struct edid *block,
1903 : int block_num)
1904 : {
1905 0 : switch (status) {
1906 : case EDID_BLOCK_OK:
1907 : break;
1908 : case EDID_BLOCK_READ_FAIL:
1909 : pr_debug("EDID block %d read failed\n", block_num);
1910 : break;
1911 : case EDID_BLOCK_NULL:
1912 : pr_debug("EDID block %d pointer is NULL\n", block_num);
1913 : break;
1914 : case EDID_BLOCK_ZERO:
1915 0 : pr_notice("EDID block %d is all zeroes\n", block_num);
1916 0 : break;
1917 : case EDID_BLOCK_HEADER_CORRUPT:
1918 0 : pr_notice("EDID has corrupt header\n");
1919 0 : break;
1920 : case EDID_BLOCK_HEADER_REPAIR:
1921 : pr_debug("EDID corrupt header needs repair\n");
1922 : break;
1923 : case EDID_BLOCK_HEADER_FIXED:
1924 : pr_debug("EDID corrupt header fixed\n");
1925 : break;
1926 : case EDID_BLOCK_CHECKSUM:
1927 0 : if (edid_block_status_valid(status, edid_block_tag(block))) {
1928 : pr_debug("EDID block %d (tag 0x%02x) checksum is invalid, remainder is %d, ignoring\n",
1929 : block_num, edid_block_tag(block),
1930 : edid_block_compute_checksum(block));
1931 : } else {
1932 0 : pr_notice("EDID block %d (tag 0x%02x) checksum is invalid, remainder is %d\n",
1933 : block_num, edid_block_tag(block),
1934 : edid_block_compute_checksum(block));
1935 : }
1936 : break;
1937 : case EDID_BLOCK_VERSION:
1938 0 : pr_notice("EDID has major version %d, instead of 1\n",
1939 : block->version);
1940 0 : break;
1941 : default:
1942 0 : WARN(1, "EDID block %d unknown edid block status code %d\n",
1943 : block_num, status);
1944 0 : break;
1945 : }
1946 0 : }
1947 :
1948 0 : static void edid_block_dump(const char *level, const void *block, int block_num)
1949 : {
1950 : enum edid_block_status status;
1951 : char prefix[20];
1952 :
1953 0 : status = edid_block_check(block, block_num == 0);
1954 0 : if (status == EDID_BLOCK_ZERO)
1955 0 : sprintf(prefix, "\t[%02x] ZERO ", block_num);
1956 0 : else if (!edid_block_status_valid(status, edid_block_tag(block)))
1957 0 : sprintf(prefix, "\t[%02x] BAD ", block_num);
1958 : else
1959 0 : sprintf(prefix, "\t[%02x] GOOD ", block_num);
1960 :
1961 0 : print_hex_dump(level, prefix, DUMP_PREFIX_NONE, 16, 1,
1962 : block, EDID_LENGTH, false);
1963 0 : }
1964 :
1965 : /**
1966 : * drm_edid_block_valid - Sanity check the EDID block (base or extension)
1967 : * @_block: pointer to raw EDID block
1968 : * @block_num: type of block to validate (0 for base, extension otherwise)
1969 : * @print_bad_edid: if true, dump bad EDID blocks to the console
1970 : * @edid_corrupt: if true, the header or checksum is invalid
1971 : *
1972 : * Validate a base or extension EDID block and optionally dump bad blocks to
1973 : * the console.
1974 : *
1975 : * Return: True if the block is valid, false otherwise.
1976 : */
1977 0 : bool drm_edid_block_valid(u8 *_block, int block_num, bool print_bad_edid,
1978 : bool *edid_corrupt)
1979 : {
1980 0 : struct edid *block = (struct edid *)_block;
1981 : enum edid_block_status status;
1982 0 : bool is_base_block = block_num == 0;
1983 : bool valid;
1984 :
1985 0 : if (WARN_ON(!block))
1986 : return false;
1987 :
1988 0 : status = edid_block_check(block, is_base_block);
1989 0 : if (status == EDID_BLOCK_HEADER_REPAIR) {
1990 0 : DRM_DEBUG_KMS("Fixing EDID header, your hardware may be failing\n");
1991 0 : edid_header_fix(block);
1992 :
1993 : /* Retry with fixed header, update status if that worked. */
1994 0 : status = edid_block_check(block, is_base_block);
1995 0 : if (status == EDID_BLOCK_OK)
1996 0 : status = EDID_BLOCK_HEADER_FIXED;
1997 : }
1998 :
1999 0 : if (edid_corrupt) {
2000 : /*
2001 : * Unknown major version isn't corrupt but we can't use it. Only
2002 : * the base block can reset edid_corrupt to false.
2003 : */
2004 0 : if (is_base_block &&
2005 0 : (status == EDID_BLOCK_OK || status == EDID_BLOCK_VERSION))
2006 0 : *edid_corrupt = false;
2007 0 : else if (status != EDID_BLOCK_OK)
2008 0 : *edid_corrupt = true;
2009 : }
2010 :
2011 0 : edid_block_status_print(status, block, block_num);
2012 :
2013 : /* Determine whether we can use this block with this status. */
2014 0 : valid = edid_block_status_valid(status, edid_block_tag(block));
2015 :
2016 0 : if (!valid && print_bad_edid && status != EDID_BLOCK_ZERO) {
2017 0 : pr_notice("Raw EDID:\n");
2018 0 : edid_block_dump(KERN_NOTICE, block, block_num);
2019 : }
2020 :
2021 : return valid;
2022 : }
2023 : EXPORT_SYMBOL(drm_edid_block_valid);
2024 :
2025 : /**
2026 : * drm_edid_is_valid - sanity check EDID data
2027 : * @edid: EDID data
2028 : *
2029 : * Sanity-check an entire EDID record (including extensions)
2030 : *
2031 : * Return: True if the EDID data is valid, false otherwise.
2032 : */
2033 0 : bool drm_edid_is_valid(struct edid *edid)
2034 : {
2035 : int i;
2036 :
2037 0 : if (!edid)
2038 : return false;
2039 :
2040 0 : for (i = 0; i < edid_block_count(edid); i++) {
2041 0 : void *block = (void *)edid_block_data(edid, i);
2042 :
2043 0 : if (!drm_edid_block_valid(block, i, true, NULL))
2044 : return false;
2045 : }
2046 :
2047 : return true;
2048 : }
2049 : EXPORT_SYMBOL(drm_edid_is_valid);
2050 :
2051 : /**
2052 : * drm_edid_valid - sanity check EDID data
2053 : * @drm_edid: EDID data
2054 : *
2055 : * Sanity check an EDID. Cross check block count against allocated size and
2056 : * checksum the blocks.
2057 : *
2058 : * Return: True if the EDID data is valid, false otherwise.
2059 : */
2060 0 : bool drm_edid_valid(const struct drm_edid *drm_edid)
2061 : {
2062 : int i;
2063 :
2064 0 : if (!drm_edid)
2065 : return false;
2066 :
2067 0 : if (edid_size_by_blocks(__drm_edid_block_count(drm_edid)) != drm_edid->size)
2068 : return false;
2069 :
2070 0 : for (i = 0; i < drm_edid_block_count(drm_edid); i++) {
2071 0 : const void *block = drm_edid_block_data(drm_edid, i);
2072 :
2073 0 : if (!edid_block_valid(block, i == 0))
2074 : return false;
2075 : }
2076 :
2077 : return true;
2078 : }
2079 : EXPORT_SYMBOL(drm_edid_valid);
2080 :
2081 0 : static struct edid *edid_filter_invalid_blocks(struct edid *edid,
2082 : size_t *alloc_size)
2083 : {
2084 : struct edid *new;
2085 0 : int i, valid_blocks = 0;
2086 :
2087 : /*
2088 : * Note: If the EDID uses HF-EEODB, but has invalid blocks, we'll revert
2089 : * back to regular extension count here. We don't want to start
2090 : * modifying the HF-EEODB extension too.
2091 : */
2092 0 : for (i = 0; i < edid_block_count(edid); i++) {
2093 0 : const void *src_block = edid_block_data(edid, i);
2094 :
2095 0 : if (edid_block_valid(src_block, i == 0)) {
2096 0 : void *dst_block = (void *)edid_block_data(edid, valid_blocks);
2097 :
2098 0 : memmove(dst_block, src_block, EDID_LENGTH);
2099 0 : valid_blocks++;
2100 : }
2101 : }
2102 :
2103 : /* We already trusted the base block to be valid here... */
2104 0 : if (WARN_ON(!valid_blocks)) {
2105 0 : kfree(edid);
2106 0 : return NULL;
2107 : }
2108 :
2109 0 : edid->extensions = valid_blocks - 1;
2110 0 : edid->checksum = edid_block_compute_checksum(edid);
2111 :
2112 0 : *alloc_size = edid_size_by_blocks(valid_blocks);
2113 :
2114 0 : new = krealloc(edid, *alloc_size, GFP_KERNEL);
2115 0 : if (!new)
2116 0 : kfree(edid);
2117 :
2118 : return new;
2119 : }
2120 :
2121 : #define DDC_SEGMENT_ADDR 0x30
2122 : /**
2123 : * drm_do_probe_ddc_edid() - get EDID information via I2C
2124 : * @data: I2C device adapter
2125 : * @buf: EDID data buffer to be filled
2126 : * @block: 128 byte EDID block to start fetching from
2127 : * @len: EDID data buffer length to fetch
2128 : *
2129 : * Try to fetch EDID information by calling I2C driver functions.
2130 : *
2131 : * Return: 0 on success or -1 on failure.
2132 : */
2133 : static int
2134 0 : drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len)
2135 : {
2136 0 : struct i2c_adapter *adapter = data;
2137 0 : unsigned char start = block * EDID_LENGTH;
2138 0 : unsigned char segment = block >> 1;
2139 0 : unsigned char xfers = segment ? 3 : 2;
2140 0 : int ret, retries = 5;
2141 :
2142 : /*
2143 : * The core I2C driver will automatically retry the transfer if the
2144 : * adapter reports EAGAIN. However, we find that bit-banging transfers
2145 : * are susceptible to errors under a heavily loaded machine and
2146 : * generate spurious NAKs and timeouts. Retrying the transfer
2147 : * of the individual block a few times seems to overcome this.
2148 : */
2149 : do {
2150 0 : struct i2c_msg msgs[] = {
2151 : {
2152 : .addr = DDC_SEGMENT_ADDR,
2153 : .flags = 0,
2154 : .len = 1,
2155 : .buf = &segment,
2156 : }, {
2157 : .addr = DDC_ADDR,
2158 : .flags = 0,
2159 : .len = 1,
2160 : .buf = &start,
2161 : }, {
2162 : .addr = DDC_ADDR,
2163 : .flags = I2C_M_RD,
2164 : .len = len,
2165 : .buf = buf,
2166 : }
2167 : };
2168 :
2169 : /*
2170 : * Avoid sending the segment addr to not upset non-compliant
2171 : * DDC monitors.
2172 : */
2173 0 : ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers);
2174 :
2175 0 : if (ret == -ENXIO) {
2176 0 : DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n",
2177 : adapter->name);
2178 0 : break;
2179 : }
2180 0 : } while (ret != xfers && --retries);
2181 :
2182 0 : return ret == xfers ? 0 : -1;
2183 : }
2184 :
2185 0 : static void connector_bad_edid(struct drm_connector *connector,
2186 : const struct edid *edid, int num_blocks)
2187 : {
2188 : int i;
2189 : u8 last_block;
2190 :
2191 : /*
2192 : * 0x7e in the EDID is the number of extension blocks. The EDID
2193 : * is 1 (base block) + num_ext_blocks big. That means we can think
2194 : * of 0x7e in the EDID of the _index_ of the last block in the
2195 : * combined chunk of memory.
2196 : */
2197 0 : last_block = edid->extensions;
2198 :
2199 : /* Calculate real checksum for the last edid extension block data */
2200 0 : if (last_block < num_blocks)
2201 0 : connector->real_edid_checksum =
2202 0 : edid_block_compute_checksum(edid + last_block);
2203 :
2204 0 : if (connector->bad_edid_counter++ && !drm_debug_enabled(DRM_UT_KMS))
2205 : return;
2206 :
2207 0 : drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] EDID is invalid:\n",
2208 : connector->base.id, connector->name);
2209 0 : for (i = 0; i < num_blocks; i++)
2210 0 : edid_block_dump(KERN_DEBUG, edid + i, i);
2211 : }
2212 :
2213 : /* Get override or firmware EDID */
2214 0 : static const struct drm_edid *drm_edid_override_get(struct drm_connector *connector)
2215 : {
2216 0 : const struct drm_edid *override = NULL;
2217 :
2218 0 : mutex_lock(&connector->edid_override_mutex);
2219 :
2220 0 : if (connector->edid_override)
2221 0 : override = drm_edid_dup(connector->edid_override);
2222 :
2223 0 : mutex_unlock(&connector->edid_override_mutex);
2224 :
2225 0 : if (!override)
2226 0 : override = drm_edid_load_firmware(connector);
2227 :
2228 0 : return IS_ERR(override) ? NULL : override;
2229 : }
2230 :
2231 : /* For debugfs edid_override implementation */
2232 0 : int drm_edid_override_show(struct drm_connector *connector, struct seq_file *m)
2233 : {
2234 : const struct drm_edid *drm_edid;
2235 :
2236 0 : mutex_lock(&connector->edid_override_mutex);
2237 :
2238 0 : drm_edid = connector->edid_override;
2239 0 : if (drm_edid)
2240 0 : seq_write(m, drm_edid->edid, drm_edid->size);
2241 :
2242 0 : mutex_unlock(&connector->edid_override_mutex);
2243 :
2244 0 : return 0;
2245 : }
2246 :
2247 : /* For debugfs edid_override implementation */
2248 0 : int drm_edid_override_set(struct drm_connector *connector, const void *edid,
2249 : size_t size)
2250 : {
2251 : const struct drm_edid *drm_edid;
2252 :
2253 0 : drm_edid = drm_edid_alloc(edid, size);
2254 0 : if (!drm_edid_valid(drm_edid)) {
2255 0 : drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] EDID override invalid\n",
2256 : connector->base.id, connector->name);
2257 0 : drm_edid_free(drm_edid);
2258 0 : return -EINVAL;
2259 : }
2260 :
2261 0 : drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] EDID override set\n",
2262 : connector->base.id, connector->name);
2263 :
2264 0 : mutex_lock(&connector->edid_override_mutex);
2265 :
2266 0 : drm_edid_free(connector->edid_override);
2267 0 : connector->edid_override = drm_edid;
2268 :
2269 0 : mutex_unlock(&connector->edid_override_mutex);
2270 :
2271 0 : return 0;
2272 : }
2273 :
2274 : /* For debugfs edid_override implementation */
2275 0 : int drm_edid_override_reset(struct drm_connector *connector)
2276 : {
2277 0 : drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] EDID override reset\n",
2278 : connector->base.id, connector->name);
2279 :
2280 0 : mutex_lock(&connector->edid_override_mutex);
2281 :
2282 0 : drm_edid_free(connector->edid_override);
2283 0 : connector->edid_override = NULL;
2284 :
2285 0 : mutex_unlock(&connector->edid_override_mutex);
2286 :
2287 0 : return 0;
2288 : }
2289 :
2290 : /**
2291 : * drm_edid_override_connector_update - add modes from override/firmware EDID
2292 : * @connector: connector we're probing
2293 : *
2294 : * Add modes from the override/firmware EDID, if available. Only to be used from
2295 : * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe
2296 : * failed during drm_get_edid() and caused the override/firmware EDID to be
2297 : * skipped.
2298 : *
2299 : * Return: The number of modes added or 0 if we couldn't find any.
2300 : */
2301 0 : int drm_edid_override_connector_update(struct drm_connector *connector)
2302 : {
2303 : const struct drm_edid *override;
2304 0 : int num_modes = 0;
2305 :
2306 0 : override = drm_edid_override_get(connector);
2307 0 : if (override) {
2308 0 : num_modes = drm_edid_connector_update(connector, override);
2309 :
2310 0 : drm_edid_free(override);
2311 :
2312 0 : drm_dbg_kms(connector->dev,
2313 : "[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n",
2314 : connector->base.id, connector->name, num_modes);
2315 : }
2316 :
2317 0 : return num_modes;
2318 : }
2319 : EXPORT_SYMBOL(drm_edid_override_connector_update);
2320 :
2321 : typedef int read_block_fn(void *context, u8 *buf, unsigned int block, size_t len);
2322 :
2323 0 : static enum edid_block_status edid_block_read(void *block, unsigned int block_num,
2324 : read_block_fn read_block,
2325 : void *context)
2326 : {
2327 : enum edid_block_status status;
2328 0 : bool is_base_block = block_num == 0;
2329 : int try;
2330 :
2331 0 : for (try = 0; try < 4; try++) {
2332 0 : if (read_block(context, block, block_num, EDID_LENGTH))
2333 : return EDID_BLOCK_READ_FAIL;
2334 :
2335 0 : status = edid_block_check(block, is_base_block);
2336 0 : if (status == EDID_BLOCK_HEADER_REPAIR) {
2337 0 : edid_header_fix(block);
2338 :
2339 : /* Retry with fixed header, update status if that worked. */
2340 0 : status = edid_block_check(block, is_base_block);
2341 0 : if (status == EDID_BLOCK_OK)
2342 0 : status = EDID_BLOCK_HEADER_FIXED;
2343 : }
2344 :
2345 0 : if (edid_block_status_valid(status, edid_block_tag(block)))
2346 : break;
2347 :
2348 : /* Fail early for unrepairable base block all zeros. */
2349 0 : if (try == 0 && is_base_block && status == EDID_BLOCK_ZERO)
2350 : break;
2351 : }
2352 :
2353 : return status;
2354 : }
2355 :
2356 0 : static struct edid *_drm_do_get_edid(struct drm_connector *connector,
2357 : read_block_fn read_block, void *context,
2358 : size_t *size)
2359 : {
2360 : enum edid_block_status status;
2361 0 : int i, num_blocks, invalid_blocks = 0;
2362 : const struct drm_edid *override;
2363 : struct edid *edid, *new;
2364 0 : size_t alloc_size = EDID_LENGTH;
2365 :
2366 0 : override = drm_edid_override_get(connector);
2367 0 : if (override) {
2368 0 : alloc_size = override->size;
2369 0 : edid = kmemdup(override->edid, alloc_size, GFP_KERNEL);
2370 0 : drm_edid_free(override);
2371 0 : if (!edid)
2372 : return NULL;
2373 : goto ok;
2374 : }
2375 :
2376 0 : edid = kmalloc(alloc_size, GFP_KERNEL);
2377 0 : if (!edid)
2378 : return NULL;
2379 :
2380 0 : status = edid_block_read(edid, 0, read_block, context);
2381 :
2382 0 : edid_block_status_print(status, edid, 0);
2383 :
2384 0 : if (status == EDID_BLOCK_READ_FAIL)
2385 : goto fail;
2386 :
2387 : /* FIXME: Clarify what a corrupt EDID actually means. */
2388 0 : if (status == EDID_BLOCK_OK || status == EDID_BLOCK_VERSION)
2389 0 : connector->edid_corrupt = false;
2390 : else
2391 0 : connector->edid_corrupt = true;
2392 :
2393 0 : if (!edid_block_status_valid(status, edid_block_tag(edid))) {
2394 0 : if (status == EDID_BLOCK_ZERO)
2395 0 : connector->null_edid_counter++;
2396 :
2397 0 : connector_bad_edid(connector, edid, 1);
2398 0 : goto fail;
2399 : }
2400 :
2401 0 : if (!edid_extension_block_count(edid))
2402 : goto ok;
2403 :
2404 0 : alloc_size = edid_size(edid);
2405 0 : new = krealloc(edid, alloc_size, GFP_KERNEL);
2406 0 : if (!new)
2407 : goto fail;
2408 0 : edid = new;
2409 :
2410 0 : num_blocks = edid_block_count(edid);
2411 0 : for (i = 1; i < num_blocks; i++) {
2412 0 : void *block = (void *)edid_block_data(edid, i);
2413 :
2414 0 : status = edid_block_read(block, i, read_block, context);
2415 :
2416 0 : edid_block_status_print(status, block, i);
2417 :
2418 0 : if (!edid_block_status_valid(status, edid_block_tag(block))) {
2419 0 : if (status == EDID_BLOCK_READ_FAIL)
2420 : goto fail;
2421 0 : invalid_blocks++;
2422 0 : } else if (i == 1) {
2423 : /*
2424 : * If the first EDID extension is a CTA extension, and
2425 : * the first Data Block is HF-EEODB, override the
2426 : * extension block count.
2427 : *
2428 : * Note: HF-EEODB could specify a smaller extension
2429 : * count too, but we can't risk allocating a smaller
2430 : * amount.
2431 : */
2432 0 : int eeodb = edid_hfeeodb_block_count(edid);
2433 :
2434 0 : if (eeodb > num_blocks) {
2435 0 : num_blocks = eeodb;
2436 0 : alloc_size = edid_size_by_blocks(num_blocks);
2437 0 : new = krealloc(edid, alloc_size, GFP_KERNEL);
2438 0 : if (!new)
2439 : goto fail;
2440 : edid = new;
2441 : }
2442 : }
2443 : }
2444 :
2445 0 : if (invalid_blocks) {
2446 0 : connector_bad_edid(connector, edid, num_blocks);
2447 :
2448 0 : edid = edid_filter_invalid_blocks(edid, &alloc_size);
2449 : }
2450 :
2451 : ok:
2452 0 : if (size)
2453 0 : *size = alloc_size;
2454 :
2455 : return edid;
2456 :
2457 : fail:
2458 0 : kfree(edid);
2459 0 : return NULL;
2460 : }
2461 :
2462 : /**
2463 : * drm_do_get_edid - get EDID data using a custom EDID block read function
2464 : * @connector: connector we're probing
2465 : * @read_block: EDID block read function
2466 : * @context: private data passed to the block read function
2467 : *
2468 : * When the I2C adapter connected to the DDC bus is hidden behind a device that
2469 : * exposes a different interface to read EDID blocks this function can be used
2470 : * to get EDID data using a custom block read function.
2471 : *
2472 : * As in the general case the DDC bus is accessible by the kernel at the I2C
2473 : * level, drivers must make all reasonable efforts to expose it as an I2C
2474 : * adapter and use drm_get_edid() instead of abusing this function.
2475 : *
2476 : * The EDID may be overridden using debugfs override_edid or firmware EDID
2477 : * (drm_edid_load_firmware() and drm.edid_firmware parameter), in this priority
2478 : * order. Having either of them bypasses actual EDID reads.
2479 : *
2480 : * Return: Pointer to valid EDID or NULL if we couldn't find any.
2481 : */
2482 0 : struct edid *drm_do_get_edid(struct drm_connector *connector,
2483 : read_block_fn read_block,
2484 : void *context)
2485 : {
2486 0 : return _drm_do_get_edid(connector, read_block, context, NULL);
2487 : }
2488 : EXPORT_SYMBOL_GPL(drm_do_get_edid);
2489 :
2490 : /**
2491 : * drm_edid_raw - Get a pointer to the raw EDID data.
2492 : * @drm_edid: drm_edid container
2493 : *
2494 : * Get a pointer to the raw EDID data.
2495 : *
2496 : * This is for transition only. Avoid using this like the plague.
2497 : *
2498 : * Return: Pointer to raw EDID data.
2499 : */
2500 0 : const struct edid *drm_edid_raw(const struct drm_edid *drm_edid)
2501 : {
2502 0 : if (!drm_edid || !drm_edid->size)
2503 : return NULL;
2504 :
2505 : /*
2506 : * Do not return pointers where relying on EDID extension count would
2507 : * lead to buffer overflow.
2508 : */
2509 0 : if (WARN_ON(edid_size(drm_edid->edid) > drm_edid->size))
2510 : return NULL;
2511 :
2512 0 : return drm_edid->edid;
2513 : }
2514 : EXPORT_SYMBOL(drm_edid_raw);
2515 :
2516 : /* Allocate struct drm_edid container *without* duplicating the edid data */
2517 0 : static const struct drm_edid *_drm_edid_alloc(const void *edid, size_t size)
2518 : {
2519 : struct drm_edid *drm_edid;
2520 :
2521 0 : if (!edid || !size || size < EDID_LENGTH)
2522 : return NULL;
2523 :
2524 0 : drm_edid = kzalloc(sizeof(*drm_edid), GFP_KERNEL);
2525 0 : if (drm_edid) {
2526 0 : drm_edid->edid = edid;
2527 0 : drm_edid->size = size;
2528 : }
2529 :
2530 : return drm_edid;
2531 : }
2532 :
2533 : /**
2534 : * drm_edid_alloc - Allocate a new drm_edid container
2535 : * @edid: Pointer to raw EDID data
2536 : * @size: Size of memory allocated for EDID
2537 : *
2538 : * Allocate a new drm_edid container. Do not calculate edid size from edid, pass
2539 : * the actual size that has been allocated for the data. There is no validation
2540 : * of the raw EDID data against the size, but at least the EDID base block must
2541 : * fit in the buffer.
2542 : *
2543 : * The returned pointer must be freed using drm_edid_free().
2544 : *
2545 : * Return: drm_edid container, or NULL on errors
2546 : */
2547 0 : const struct drm_edid *drm_edid_alloc(const void *edid, size_t size)
2548 : {
2549 : const struct drm_edid *drm_edid;
2550 :
2551 0 : if (!edid || !size || size < EDID_LENGTH)
2552 : return NULL;
2553 :
2554 0 : edid = kmemdup(edid, size, GFP_KERNEL);
2555 0 : if (!edid)
2556 : return NULL;
2557 :
2558 0 : drm_edid = _drm_edid_alloc(edid, size);
2559 0 : if (!drm_edid)
2560 0 : kfree(edid);
2561 :
2562 : return drm_edid;
2563 : }
2564 : EXPORT_SYMBOL(drm_edid_alloc);
2565 :
2566 : /**
2567 : * drm_edid_dup - Duplicate a drm_edid container
2568 : * @drm_edid: EDID to duplicate
2569 : *
2570 : * The returned pointer must be freed using drm_edid_free().
2571 : *
2572 : * Returns: drm_edid container copy, or NULL on errors
2573 : */
2574 0 : const struct drm_edid *drm_edid_dup(const struct drm_edid *drm_edid)
2575 : {
2576 0 : if (!drm_edid)
2577 : return NULL;
2578 :
2579 0 : return drm_edid_alloc(drm_edid->edid, drm_edid->size);
2580 : }
2581 : EXPORT_SYMBOL(drm_edid_dup);
2582 :
2583 : /**
2584 : * drm_edid_free - Free the drm_edid container
2585 : * @drm_edid: EDID to free
2586 : */
2587 0 : void drm_edid_free(const struct drm_edid *drm_edid)
2588 : {
2589 0 : if (!drm_edid)
2590 : return;
2591 :
2592 0 : kfree(drm_edid->edid);
2593 0 : kfree(drm_edid);
2594 : }
2595 : EXPORT_SYMBOL(drm_edid_free);
2596 :
2597 : /**
2598 : * drm_probe_ddc() - probe DDC presence
2599 : * @adapter: I2C adapter to probe
2600 : *
2601 : * Return: True on success, false on failure.
2602 : */
2603 : bool
2604 0 : drm_probe_ddc(struct i2c_adapter *adapter)
2605 : {
2606 : unsigned char out;
2607 :
2608 0 : return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
2609 : }
2610 : EXPORT_SYMBOL(drm_probe_ddc);
2611 :
2612 : /**
2613 : * drm_get_edid - get EDID data, if available
2614 : * @connector: connector we're probing
2615 : * @adapter: I2C adapter to use for DDC
2616 : *
2617 : * Poke the given I2C channel to grab EDID data if possible. If found,
2618 : * attach it to the connector.
2619 : *
2620 : * Return: Pointer to valid EDID or NULL if we couldn't find any.
2621 : */
2622 0 : struct edid *drm_get_edid(struct drm_connector *connector,
2623 : struct i2c_adapter *adapter)
2624 : {
2625 : struct edid *edid;
2626 :
2627 0 : if (connector->force == DRM_FORCE_OFF)
2628 : return NULL;
2629 :
2630 0 : if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
2631 : return NULL;
2632 :
2633 0 : edid = _drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter, NULL);
2634 0 : drm_connector_update_edid_property(connector, edid);
2635 0 : return edid;
2636 : }
2637 : EXPORT_SYMBOL(drm_get_edid);
2638 :
2639 : /**
2640 : * drm_edid_read_custom - Read EDID data using given EDID block read function
2641 : * @connector: Connector to use
2642 : * @read_block: EDID block read function
2643 : * @context: Private data passed to the block read function
2644 : *
2645 : * When the I2C adapter connected to the DDC bus is hidden behind a device that
2646 : * exposes a different interface to read EDID blocks this function can be used
2647 : * to get EDID data using a custom block read function.
2648 : *
2649 : * As in the general case the DDC bus is accessible by the kernel at the I2C
2650 : * level, drivers must make all reasonable efforts to expose it as an I2C
2651 : * adapter and use drm_edid_read() or drm_edid_read_ddc() instead of abusing
2652 : * this function.
2653 : *
2654 : * The EDID may be overridden using debugfs override_edid or firmware EDID
2655 : * (drm_edid_load_firmware() and drm.edid_firmware parameter), in this priority
2656 : * order. Having either of them bypasses actual EDID reads.
2657 : *
2658 : * The returned pointer must be freed using drm_edid_free().
2659 : *
2660 : * Return: Pointer to EDID, or NULL if probe/read failed.
2661 : */
2662 0 : const struct drm_edid *drm_edid_read_custom(struct drm_connector *connector,
2663 : read_block_fn read_block,
2664 : void *context)
2665 : {
2666 : const struct drm_edid *drm_edid;
2667 : struct edid *edid;
2668 0 : size_t size = 0;
2669 :
2670 0 : edid = _drm_do_get_edid(connector, read_block, context, &size);
2671 0 : if (!edid)
2672 : return NULL;
2673 :
2674 : /* Sanity check for now */
2675 0 : drm_WARN_ON(connector->dev, !size);
2676 :
2677 0 : drm_edid = _drm_edid_alloc(edid, size);
2678 0 : if (!drm_edid)
2679 0 : kfree(edid);
2680 :
2681 : return drm_edid;
2682 : }
2683 : EXPORT_SYMBOL(drm_edid_read_custom);
2684 :
2685 : /**
2686 : * drm_edid_read_ddc - Read EDID data using given I2C adapter
2687 : * @connector: Connector to use
2688 : * @adapter: I2C adapter to use for DDC
2689 : *
2690 : * Read EDID using the given I2C adapter.
2691 : *
2692 : * The EDID may be overridden using debugfs override_edid or firmware EDID
2693 : * (drm_edid_load_firmware() and drm.edid_firmware parameter), in this priority
2694 : * order. Having either of them bypasses actual EDID reads.
2695 : *
2696 : * Prefer initializing connector->ddc with drm_connector_init_with_ddc() and
2697 : * using drm_edid_read() instead of this function.
2698 : *
2699 : * The returned pointer must be freed using drm_edid_free().
2700 : *
2701 : * Return: Pointer to EDID, or NULL if probe/read failed.
2702 : */
2703 0 : const struct drm_edid *drm_edid_read_ddc(struct drm_connector *connector,
2704 : struct i2c_adapter *adapter)
2705 : {
2706 : const struct drm_edid *drm_edid;
2707 :
2708 0 : if (connector->force == DRM_FORCE_OFF)
2709 : return NULL;
2710 :
2711 0 : if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
2712 : return NULL;
2713 :
2714 0 : drm_edid = drm_edid_read_custom(connector, drm_do_probe_ddc_edid, adapter);
2715 :
2716 : /* Note: Do *not* call connector updates here. */
2717 :
2718 0 : return drm_edid;
2719 : }
2720 : EXPORT_SYMBOL(drm_edid_read_ddc);
2721 :
2722 : /**
2723 : * drm_edid_read - Read EDID data using connector's I2C adapter
2724 : * @connector: Connector to use
2725 : *
2726 : * Read EDID using the connector's I2C adapter.
2727 : *
2728 : * The EDID may be overridden using debugfs override_edid or firmware EDID
2729 : * (drm_edid_load_firmware() and drm.edid_firmware parameter), in this priority
2730 : * order. Having either of them bypasses actual EDID reads.
2731 : *
2732 : * The returned pointer must be freed using drm_edid_free().
2733 : *
2734 : * Return: Pointer to EDID, or NULL if probe/read failed.
2735 : */
2736 0 : const struct drm_edid *drm_edid_read(struct drm_connector *connector)
2737 : {
2738 0 : if (drm_WARN_ON(connector->dev, !connector->ddc))
2739 : return NULL;
2740 :
2741 0 : return drm_edid_read_ddc(connector, connector->ddc);
2742 : }
2743 : EXPORT_SYMBOL(drm_edid_read);
2744 :
2745 : static u32 edid_extract_panel_id(const struct edid *edid)
2746 : {
2747 : /*
2748 : * We represent the ID as a 32-bit number so it can easily be compared
2749 : * with "==".
2750 : *
2751 : * NOTE that we deal with endianness differently for the top half
2752 : * of this ID than for the bottom half. The bottom half (the product
2753 : * id) gets decoded as little endian by the EDID_PRODUCT_ID because
2754 : * that's how everyone seems to interpret it. The top half (the mfg_id)
2755 : * gets stored as big endian because that makes
2756 : * drm_edid_encode_panel_id() and drm_edid_decode_panel_id() easier
2757 : * to write (it's easier to extract the ASCII). It doesn't really
2758 : * matter, though, as long as the number here is unique.
2759 : */
2760 0 : return (u32)edid->mfg_id[0] << 24 |
2761 0 : (u32)edid->mfg_id[1] << 16 |
2762 0 : (u32)EDID_PRODUCT_ID(edid);
2763 : }
2764 :
2765 : /**
2766 : * drm_edid_get_panel_id - Get a panel's ID through DDC
2767 : * @adapter: I2C adapter to use for DDC
2768 : *
2769 : * This function reads the first block of the EDID of a panel and (assuming
2770 : * that the EDID is valid) extracts the ID out of it. The ID is a 32-bit value
2771 : * (16 bits of manufacturer ID and 16 bits of per-manufacturer ID) that's
2772 : * supposed to be different for each different modem of panel.
2773 : *
2774 : * This function is intended to be used during early probing on devices where
2775 : * more than one panel might be present. Because of its intended use it must
2776 : * assume that the EDID of the panel is correct, at least as far as the ID
2777 : * is concerned (in other words, we don't process any overrides here).
2778 : *
2779 : * NOTE: it's expected that this function and drm_do_get_edid() will both
2780 : * be read the EDID, but there is no caching between them. Since we're only
2781 : * reading the first block, hopefully this extra overhead won't be too big.
2782 : *
2783 : * Return: A 32-bit ID that should be different for each make/model of panel.
2784 : * See the functions drm_edid_encode_panel_id() and
2785 : * drm_edid_decode_panel_id() for some details on the structure of this
2786 : * ID.
2787 : */
2788 :
2789 0 : u32 drm_edid_get_panel_id(struct i2c_adapter *adapter)
2790 : {
2791 : enum edid_block_status status;
2792 : void *base_block;
2793 0 : u32 panel_id = 0;
2794 :
2795 : /*
2796 : * There are no manufacturer IDs of 0, so if there is a problem reading
2797 : * the EDID then we'll just return 0.
2798 : */
2799 :
2800 0 : base_block = kzalloc(EDID_LENGTH, GFP_KERNEL);
2801 0 : if (!base_block)
2802 : return 0;
2803 :
2804 0 : status = edid_block_read(base_block, 0, drm_do_probe_ddc_edid, adapter);
2805 :
2806 0 : edid_block_status_print(status, base_block, 0);
2807 :
2808 0 : if (edid_block_status_valid(status, edid_block_tag(base_block)))
2809 0 : panel_id = edid_extract_panel_id(base_block);
2810 : else
2811 0 : edid_block_dump(KERN_NOTICE, base_block, 0);
2812 :
2813 0 : kfree(base_block);
2814 :
2815 0 : return panel_id;
2816 : }
2817 : EXPORT_SYMBOL(drm_edid_get_panel_id);
2818 :
2819 : /**
2820 : * drm_get_edid_switcheroo - get EDID data for a vga_switcheroo output
2821 : * @connector: connector we're probing
2822 : * @adapter: I2C adapter to use for DDC
2823 : *
2824 : * Wrapper around drm_get_edid() for laptops with dual GPUs using one set of
2825 : * outputs. The wrapper adds the requisite vga_switcheroo calls to temporarily
2826 : * switch DDC to the GPU which is retrieving EDID.
2827 : *
2828 : * Return: Pointer to valid EDID or %NULL if we couldn't find any.
2829 : */
2830 0 : struct edid *drm_get_edid_switcheroo(struct drm_connector *connector,
2831 : struct i2c_adapter *adapter)
2832 : {
2833 0 : struct drm_device *dev = connector->dev;
2834 0 : struct pci_dev *pdev = to_pci_dev(dev->dev);
2835 : struct edid *edid;
2836 :
2837 0 : if (drm_WARN_ON_ONCE(dev, !dev_is_pci(dev->dev)))
2838 : return NULL;
2839 :
2840 0 : vga_switcheroo_lock_ddc(pdev);
2841 0 : edid = drm_get_edid(connector, adapter);
2842 0 : vga_switcheroo_unlock_ddc(pdev);
2843 :
2844 0 : return edid;
2845 : }
2846 : EXPORT_SYMBOL(drm_get_edid_switcheroo);
2847 :
2848 : /**
2849 : * drm_edid_read_switcheroo - get EDID data for a vga_switcheroo output
2850 : * @connector: connector we're probing
2851 : * @adapter: I2C adapter to use for DDC
2852 : *
2853 : * Wrapper around drm_edid_read_ddc() for laptops with dual GPUs using one set
2854 : * of outputs. The wrapper adds the requisite vga_switcheroo calls to
2855 : * temporarily switch DDC to the GPU which is retrieving EDID.
2856 : *
2857 : * Return: Pointer to valid EDID or %NULL if we couldn't find any.
2858 : */
2859 0 : const struct drm_edid *drm_edid_read_switcheroo(struct drm_connector *connector,
2860 : struct i2c_adapter *adapter)
2861 : {
2862 0 : struct drm_device *dev = connector->dev;
2863 0 : struct pci_dev *pdev = to_pci_dev(dev->dev);
2864 : const struct drm_edid *drm_edid;
2865 :
2866 0 : if (drm_WARN_ON_ONCE(dev, !dev_is_pci(dev->dev)))
2867 : return NULL;
2868 :
2869 0 : vga_switcheroo_lock_ddc(pdev);
2870 0 : drm_edid = drm_edid_read_ddc(connector, adapter);
2871 0 : vga_switcheroo_unlock_ddc(pdev);
2872 :
2873 0 : return drm_edid;
2874 : }
2875 : EXPORT_SYMBOL(drm_edid_read_switcheroo);
2876 :
2877 : /**
2878 : * drm_edid_duplicate - duplicate an EDID and the extensions
2879 : * @edid: EDID to duplicate
2880 : *
2881 : * Return: Pointer to duplicated EDID or NULL on allocation failure.
2882 : */
2883 0 : struct edid *drm_edid_duplicate(const struct edid *edid)
2884 : {
2885 0 : if (!edid)
2886 : return NULL;
2887 :
2888 0 : return kmemdup(edid, edid_size(edid), GFP_KERNEL);
2889 : }
2890 : EXPORT_SYMBOL(drm_edid_duplicate);
2891 :
2892 : /*** EDID parsing ***/
2893 :
2894 : /**
2895 : * edid_get_quirks - return quirk flags for a given EDID
2896 : * @drm_edid: EDID to process
2897 : *
2898 : * This tells subsequent routines what fixes they need to apply.
2899 : */
2900 : static u32 edid_get_quirks(const struct drm_edid *drm_edid)
2901 : {
2902 0 : u32 panel_id = edid_extract_panel_id(drm_edid->edid);
2903 : const struct edid_quirk *quirk;
2904 : int i;
2905 :
2906 0 : for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
2907 0 : quirk = &edid_quirk_list[i];
2908 0 : if (quirk->panel_id == panel_id)
2909 0 : return quirk->quirks;
2910 : }
2911 :
2912 : return 0;
2913 : }
2914 :
2915 : #define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
2916 : #define MODE_REFRESH_DIFF(c,t) (abs((c) - (t)))
2917 :
2918 : /*
2919 : * Walk the mode list for connector, clearing the preferred status on existing
2920 : * modes and setting it anew for the right mode ala quirks.
2921 : */
2922 0 : static void edid_fixup_preferred(struct drm_connector *connector)
2923 : {
2924 0 : const struct drm_display_info *info = &connector->display_info;
2925 : struct drm_display_mode *t, *cur_mode, *preferred_mode;
2926 0 : int target_refresh = 0;
2927 : int cur_vrefresh, preferred_vrefresh;
2928 :
2929 0 : if (list_empty(&connector->probed_modes))
2930 : return;
2931 :
2932 0 : if (info->quirks & EDID_QUIRK_PREFER_LARGE_60)
2933 0 : target_refresh = 60;
2934 0 : if (info->quirks & EDID_QUIRK_PREFER_LARGE_75)
2935 0 : target_refresh = 75;
2936 :
2937 0 : preferred_mode = list_first_entry(&connector->probed_modes,
2938 : struct drm_display_mode, head);
2939 :
2940 0 : list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) {
2941 0 : cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
2942 :
2943 0 : if (cur_mode == preferred_mode)
2944 0 : continue;
2945 :
2946 : /* Largest mode is preferred */
2947 0 : if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
2948 0 : preferred_mode = cur_mode;
2949 :
2950 0 : cur_vrefresh = drm_mode_vrefresh(cur_mode);
2951 0 : preferred_vrefresh = drm_mode_vrefresh(preferred_mode);
2952 : /* At a given size, try to get closest to target refresh */
2953 0 : if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
2954 0 : MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) <
2955 0 : MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) {
2956 0 : preferred_mode = cur_mode;
2957 : }
2958 : }
2959 :
2960 0 : preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
2961 : }
2962 :
2963 : static bool
2964 : mode_is_rb(const struct drm_display_mode *mode)
2965 : {
2966 1 : return (mode->htotal - mode->hdisplay == 160) &&
2967 0 : (mode->hsync_end - mode->hdisplay == 80) &&
2968 1 : (mode->hsync_end - mode->hsync_start == 32) &&
2969 0 : (mode->vsync_start - mode->vdisplay == 3);
2970 : }
2971 :
2972 : /*
2973 : * drm_mode_find_dmt - Create a copy of a mode if present in DMT
2974 : * @dev: Device to duplicate against
2975 : * @hsize: Mode width
2976 : * @vsize: Mode height
2977 : * @fresh: Mode refresh rate
2978 : * @rb: Mode reduced-blanking-ness
2979 : *
2980 : * Walk the DMT mode list looking for a match for the given parameters.
2981 : *
2982 : * Return: A newly allocated copy of the mode, or NULL if not found.
2983 : */
2984 1 : struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
2985 : int hsize, int vsize, int fresh,
2986 : bool rb)
2987 : {
2988 : int i;
2989 :
2990 72 : for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2991 72 : const struct drm_display_mode *ptr = &drm_dmt_modes[i];
2992 :
2993 72 : if (hsize != ptr->hdisplay)
2994 71 : continue;
2995 1 : if (vsize != ptr->vdisplay)
2996 0 : continue;
2997 1 : if (fresh != drm_mode_vrefresh(ptr))
2998 0 : continue;
2999 1 : if (rb != mode_is_rb(ptr))
3000 0 : continue;
3001 :
3002 1 : return drm_mode_duplicate(dev, ptr);
3003 : }
3004 :
3005 : return NULL;
3006 : }
3007 : EXPORT_SYMBOL(drm_mode_find_dmt);
3008 :
3009 : static bool is_display_descriptor(const struct detailed_timing *descriptor, u8 type)
3010 : {
3011 : BUILD_BUG_ON(offsetof(typeof(*descriptor), pixel_clock) != 0);
3012 : BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.pad1) != 2);
3013 : BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.type) != 3);
3014 :
3015 0 : return descriptor->pixel_clock == 0 &&
3016 0 : descriptor->data.other_data.pad1 == 0 &&
3017 0 : descriptor->data.other_data.type == type;
3018 : }
3019 :
3020 : static bool is_detailed_timing_descriptor(const struct detailed_timing *descriptor)
3021 : {
3022 : BUILD_BUG_ON(offsetof(typeof(*descriptor), pixel_clock) != 0);
3023 :
3024 0 : return descriptor->pixel_clock != 0;
3025 : }
3026 :
3027 : typedef void detailed_cb(const struct detailed_timing *timing, void *closure);
3028 :
3029 : static void
3030 : cea_for_each_detailed_block(const u8 *ext, detailed_cb *cb, void *closure)
3031 : {
3032 : int i, n;
3033 0 : u8 d = ext[0x02];
3034 0 : const u8 *det_base = ext + d;
3035 :
3036 0 : if (d < 4 || d > 127)
3037 : return;
3038 :
3039 0 : n = (127 - d) / 18;
3040 0 : for (i = 0; i < n; i++)
3041 0 : cb((const struct detailed_timing *)(det_base + 18 * i), closure);
3042 : }
3043 :
3044 : static void
3045 : vtb_for_each_detailed_block(const u8 *ext, detailed_cb *cb, void *closure)
3046 : {
3047 0 : unsigned int i, n = min((int)ext[0x02], 6);
3048 0 : const u8 *det_base = ext + 5;
3049 :
3050 0 : if (ext[0x01] != 1)
3051 : return; /* unknown version */
3052 :
3053 0 : for (i = 0; i < n; i++)
3054 0 : cb((const struct detailed_timing *)(det_base + 18 * i), closure);
3055 : }
3056 :
3057 0 : static void drm_for_each_detailed_block(const struct drm_edid *drm_edid,
3058 : detailed_cb *cb, void *closure)
3059 : {
3060 : struct drm_edid_iter edid_iter;
3061 : const u8 *ext;
3062 : int i;
3063 :
3064 0 : if (!drm_edid)
3065 0 : return;
3066 :
3067 0 : for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
3068 0 : cb(&drm_edid->edid->detailed_timings[i], closure);
3069 :
3070 : drm_edid_iter_begin(drm_edid, &edid_iter);
3071 0 : drm_edid_iter_for_each(ext, &edid_iter) {
3072 0 : switch (*ext) {
3073 : case CEA_EXT:
3074 : cea_for_each_detailed_block(ext, cb, closure);
3075 : break;
3076 : case VTB_EXT:
3077 : vtb_for_each_detailed_block(ext, cb, closure);
3078 : break;
3079 : default:
3080 : break;
3081 : }
3082 : }
3083 0 : drm_edid_iter_end(&edid_iter);
3084 : }
3085 :
3086 : static void
3087 0 : is_rb(const struct detailed_timing *descriptor, void *data)
3088 : {
3089 0 : bool *res = data;
3090 :
3091 0 : if (!is_display_descriptor(descriptor, EDID_DETAIL_MONITOR_RANGE))
3092 : return;
3093 :
3094 : BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.flags) != 10);
3095 : BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.formula.cvt.flags) != 15);
3096 :
3097 0 : if (descriptor->data.other_data.data.range.flags == DRM_EDID_CVT_SUPPORT_FLAG &&
3098 0 : descriptor->data.other_data.data.range.formula.cvt.flags & DRM_EDID_CVT_FLAGS_REDUCED_BLANKING)
3099 0 : *res = true;
3100 : }
3101 :
3102 : /* EDID 1.4 defines this explicitly. For EDID 1.3, we guess, badly. */
3103 : static bool
3104 0 : drm_monitor_supports_rb(const struct drm_edid *drm_edid)
3105 : {
3106 0 : if (drm_edid->edid->revision >= 4) {
3107 0 : bool ret = false;
3108 :
3109 0 : drm_for_each_detailed_block(drm_edid, is_rb, &ret);
3110 0 : return ret;
3111 : }
3112 :
3113 0 : return ((drm_edid->edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
3114 : }
3115 :
3116 : static void
3117 0 : find_gtf2(const struct detailed_timing *descriptor, void *data)
3118 : {
3119 0 : const struct detailed_timing **res = data;
3120 :
3121 0 : if (!is_display_descriptor(descriptor, EDID_DETAIL_MONITOR_RANGE))
3122 : return;
3123 :
3124 : BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.flags) != 10);
3125 :
3126 0 : if (descriptor->data.other_data.data.range.flags == DRM_EDID_SECONDARY_GTF_SUPPORT_FLAG)
3127 0 : *res = descriptor;
3128 : }
3129 :
3130 : /* Secondary GTF curve kicks in above some break frequency */
3131 : static int
3132 : drm_gtf2_hbreak(const struct drm_edid *drm_edid)
3133 : {
3134 0 : const struct detailed_timing *descriptor = NULL;
3135 :
3136 0 : drm_for_each_detailed_block(drm_edid, find_gtf2, &descriptor);
3137 :
3138 : BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.formula.gtf2.hfreq_start_khz) != 12);
3139 :
3140 0 : return descriptor ? descriptor->data.other_data.data.range.formula.gtf2.hfreq_start_khz * 2 : 0;
3141 : }
3142 :
3143 : static int
3144 : drm_gtf2_2c(const struct drm_edid *drm_edid)
3145 : {
3146 0 : const struct detailed_timing *descriptor = NULL;
3147 :
3148 0 : drm_for_each_detailed_block(drm_edid, find_gtf2, &descriptor);
3149 :
3150 : BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.formula.gtf2.c) != 13);
3151 :
3152 0 : return descriptor ? descriptor->data.other_data.data.range.formula.gtf2.c : 0;
3153 : }
3154 :
3155 : static int
3156 : drm_gtf2_m(const struct drm_edid *drm_edid)
3157 : {
3158 0 : const struct detailed_timing *descriptor = NULL;
3159 :
3160 0 : drm_for_each_detailed_block(drm_edid, find_gtf2, &descriptor);
3161 :
3162 : BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.formula.gtf2.m) != 14);
3163 :
3164 0 : return descriptor ? le16_to_cpu(descriptor->data.other_data.data.range.formula.gtf2.m) : 0;
3165 : }
3166 :
3167 : static int
3168 : drm_gtf2_k(const struct drm_edid *drm_edid)
3169 : {
3170 0 : const struct detailed_timing *descriptor = NULL;
3171 :
3172 0 : drm_for_each_detailed_block(drm_edid, find_gtf2, &descriptor);
3173 :
3174 : BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.formula.gtf2.k) != 16);
3175 :
3176 0 : return descriptor ? descriptor->data.other_data.data.range.formula.gtf2.k : 0;
3177 : }
3178 :
3179 : static int
3180 : drm_gtf2_2j(const struct drm_edid *drm_edid)
3181 : {
3182 0 : const struct detailed_timing *descriptor = NULL;
3183 :
3184 0 : drm_for_each_detailed_block(drm_edid, find_gtf2, &descriptor);
3185 :
3186 : BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.formula.gtf2.j) != 17);
3187 :
3188 0 : return descriptor ? descriptor->data.other_data.data.range.formula.gtf2.j : 0;
3189 : }
3190 :
3191 : static void
3192 0 : get_timing_level(const struct detailed_timing *descriptor, void *data)
3193 : {
3194 0 : int *res = data;
3195 :
3196 0 : if (!is_display_descriptor(descriptor, EDID_DETAIL_MONITOR_RANGE))
3197 : return;
3198 :
3199 : BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.flags) != 10);
3200 :
3201 0 : switch (descriptor->data.other_data.data.range.flags) {
3202 : case DRM_EDID_DEFAULT_GTF_SUPPORT_FLAG:
3203 0 : *res = LEVEL_GTF;
3204 0 : break;
3205 : case DRM_EDID_SECONDARY_GTF_SUPPORT_FLAG:
3206 0 : *res = LEVEL_GTF2;
3207 0 : break;
3208 : case DRM_EDID_CVT_SUPPORT_FLAG:
3209 0 : *res = LEVEL_CVT;
3210 0 : break;
3211 : default:
3212 : break;
3213 : }
3214 : }
3215 :
3216 : /* Get standard timing level (CVT/GTF/DMT). */
3217 0 : static int standard_timing_level(const struct drm_edid *drm_edid)
3218 : {
3219 0 : const struct edid *edid = drm_edid->edid;
3220 :
3221 0 : if (edid->revision >= 4) {
3222 : /*
3223 : * If the range descriptor doesn't
3224 : * indicate otherwise default to CVT
3225 : */
3226 0 : int ret = LEVEL_CVT;
3227 :
3228 0 : drm_for_each_detailed_block(drm_edid, get_timing_level, &ret);
3229 :
3230 0 : return ret;
3231 0 : } else if (edid->revision >= 3 && drm_gtf2_hbreak(drm_edid)) {
3232 : return LEVEL_GTF2;
3233 0 : } else if (edid->revision >= 2) {
3234 : return LEVEL_GTF;
3235 : } else {
3236 0 : return LEVEL_DMT;
3237 : }
3238 : }
3239 :
3240 : /*
3241 : * 0 is reserved. The spec says 0x01 fill for unused timings. Some old
3242 : * monitors fill with ascii space (0x20) instead.
3243 : */
3244 : static int
3245 : bad_std_timing(u8 a, u8 b)
3246 : {
3247 0 : return (a == 0x00 && b == 0x00) ||
3248 0 : (a == 0x01 && b == 0x01) ||
3249 0 : (a == 0x20 && b == 0x20);
3250 : }
3251 :
3252 : static int drm_mode_hsync(const struct drm_display_mode *mode)
3253 : {
3254 0 : if (mode->htotal <= 0)
3255 : return 0;
3256 :
3257 0 : return DIV_ROUND_CLOSEST(mode->clock, mode->htotal);
3258 : }
3259 :
3260 : static struct drm_display_mode *
3261 0 : drm_gtf2_mode(struct drm_device *dev,
3262 : const struct drm_edid *drm_edid,
3263 : int hsize, int vsize, int vrefresh_rate)
3264 : {
3265 : struct drm_display_mode *mode;
3266 :
3267 : /*
3268 : * This is potentially wrong if there's ever a monitor with
3269 : * more than one ranges section, each claiming a different
3270 : * secondary GTF curve. Please don't do that.
3271 : */
3272 0 : mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
3273 0 : if (!mode)
3274 : return NULL;
3275 :
3276 0 : if (drm_mode_hsync(mode) > drm_gtf2_hbreak(drm_edid)) {
3277 0 : drm_mode_destroy(dev, mode);
3278 0 : mode = drm_gtf_mode_complex(dev, hsize, vsize,
3279 : vrefresh_rate, 0, 0,
3280 : drm_gtf2_m(drm_edid),
3281 : drm_gtf2_2c(drm_edid),
3282 : drm_gtf2_k(drm_edid),
3283 : drm_gtf2_2j(drm_edid));
3284 : }
3285 :
3286 : return mode;
3287 : }
3288 :
3289 : /*
3290 : * Take the standard timing params (in this case width, aspect, and refresh)
3291 : * and convert them into a real mode using CVT/GTF/DMT.
3292 : */
3293 0 : static struct drm_display_mode *drm_mode_std(struct drm_connector *connector,
3294 : const struct drm_edid *drm_edid,
3295 : const struct std_timing *t)
3296 : {
3297 0 : struct drm_device *dev = connector->dev;
3298 0 : struct drm_display_mode *m, *mode = NULL;
3299 : int hsize, vsize;
3300 : int vrefresh_rate;
3301 0 : unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
3302 0 : >> EDID_TIMING_ASPECT_SHIFT;
3303 0 : unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
3304 : >> EDID_TIMING_VFREQ_SHIFT;
3305 0 : int timing_level = standard_timing_level(drm_edid);
3306 :
3307 0 : if (bad_std_timing(t->hsize, t->vfreq_aspect))
3308 : return NULL;
3309 :
3310 : /* According to the EDID spec, the hdisplay = hsize * 8 + 248 */
3311 0 : hsize = t->hsize * 8 + 248;
3312 : /* vrefresh_rate = vfreq + 60 */
3313 0 : vrefresh_rate = vfreq + 60;
3314 : /* the vdisplay is calculated based on the aspect ratio */
3315 0 : if (aspect_ratio == 0) {
3316 0 : if (drm_edid->edid->revision < 3)
3317 : vsize = hsize;
3318 : else
3319 0 : vsize = (hsize * 10) / 16;
3320 0 : } else if (aspect_ratio == 1)
3321 0 : vsize = (hsize * 3) / 4;
3322 0 : else if (aspect_ratio == 2)
3323 0 : vsize = (hsize * 4) / 5;
3324 : else
3325 0 : vsize = (hsize * 9) / 16;
3326 :
3327 : /* HDTV hack, part 1 */
3328 0 : if (vrefresh_rate == 60 &&
3329 0 : ((hsize == 1360 && vsize == 765) ||
3330 0 : (hsize == 1368 && vsize == 769))) {
3331 0 : hsize = 1366;
3332 0 : vsize = 768;
3333 : }
3334 :
3335 : /*
3336 : * If this connector already has a mode for this size and refresh
3337 : * rate (because it came from detailed or CVT info), use that
3338 : * instead. This way we don't have to guess at interlace or
3339 : * reduced blanking.
3340 : */
3341 0 : list_for_each_entry(m, &connector->probed_modes, head)
3342 0 : if (m->hdisplay == hsize && m->vdisplay == vsize &&
3343 0 : drm_mode_vrefresh(m) == vrefresh_rate)
3344 : return NULL;
3345 :
3346 : /* HDTV hack, part 2 */
3347 0 : if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
3348 0 : mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
3349 : false);
3350 0 : if (!mode)
3351 : return NULL;
3352 0 : mode->hdisplay = 1366;
3353 0 : mode->hsync_start = mode->hsync_start - 1;
3354 0 : mode->hsync_end = mode->hsync_end - 1;
3355 0 : return mode;
3356 : }
3357 :
3358 : /* check whether it can be found in default mode table */
3359 0 : if (drm_monitor_supports_rb(drm_edid)) {
3360 0 : mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate,
3361 : true);
3362 0 : if (mode)
3363 : return mode;
3364 : }
3365 0 : mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, false);
3366 0 : if (mode)
3367 : return mode;
3368 :
3369 : /* okay, generate it */
3370 0 : switch (timing_level) {
3371 : case LEVEL_DMT:
3372 : break;
3373 : case LEVEL_GTF:
3374 0 : mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
3375 0 : break;
3376 : case LEVEL_GTF2:
3377 0 : mode = drm_gtf2_mode(dev, drm_edid, hsize, vsize, vrefresh_rate);
3378 0 : break;
3379 : case LEVEL_CVT:
3380 0 : mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
3381 : false);
3382 0 : break;
3383 : }
3384 : return mode;
3385 : }
3386 :
3387 : /*
3388 : * EDID is delightfully ambiguous about how interlaced modes are to be
3389 : * encoded. Our internal representation is of frame height, but some
3390 : * HDTV detailed timings are encoded as field height.
3391 : *
3392 : * The format list here is from CEA, in frame size. Technically we
3393 : * should be checking refresh rate too. Whatever.
3394 : */
3395 : static void
3396 0 : drm_mode_do_interlace_quirk(struct drm_display_mode *mode,
3397 : const struct detailed_pixel_timing *pt)
3398 : {
3399 : int i;
3400 : static const struct {
3401 : int w, h;
3402 : } cea_interlaced[] = {
3403 : { 1920, 1080 },
3404 : { 720, 480 },
3405 : { 1440, 480 },
3406 : { 2880, 480 },
3407 : { 720, 576 },
3408 : { 1440, 576 },
3409 : { 2880, 576 },
3410 : };
3411 :
3412 0 : if (!(pt->misc & DRM_EDID_PT_INTERLACED))
3413 : return;
3414 :
3415 0 : for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) {
3416 0 : if ((mode->hdisplay == cea_interlaced[i].w) &&
3417 0 : (mode->vdisplay == cea_interlaced[i].h / 2)) {
3418 0 : mode->vdisplay *= 2;
3419 0 : mode->vsync_start *= 2;
3420 0 : mode->vsync_end *= 2;
3421 0 : mode->vtotal *= 2;
3422 0 : mode->vtotal |= 1;
3423 : }
3424 : }
3425 :
3426 0 : mode->flags |= DRM_MODE_FLAG_INTERLACE;
3427 : }
3428 :
3429 : /*
3430 : * Create a new mode from an EDID detailed timing section. An EDID detailed
3431 : * timing block contains enough info for us to create and return a new struct
3432 : * drm_display_mode.
3433 : */
3434 0 : static struct drm_display_mode *drm_mode_detailed(struct drm_connector *connector,
3435 : const struct drm_edid *drm_edid,
3436 : const struct detailed_timing *timing)
3437 : {
3438 0 : const struct drm_display_info *info = &connector->display_info;
3439 0 : struct drm_device *dev = connector->dev;
3440 : struct drm_display_mode *mode;
3441 0 : const struct detailed_pixel_timing *pt = &timing->data.pixel_data;
3442 0 : unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo;
3443 0 : unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo;
3444 0 : unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo;
3445 0 : unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo;
3446 0 : unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo;
3447 0 : unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo;
3448 0 : unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4;
3449 0 : unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf);
3450 :
3451 : /* ignore tiny modes */
3452 0 : if (hactive < 64 || vactive < 64)
3453 : return NULL;
3454 :
3455 0 : if (pt->misc & DRM_EDID_PT_STEREO) {
3456 0 : drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Stereo mode not supported\n",
3457 : connector->base.id, connector->name);
3458 : return NULL;
3459 : }
3460 :
3461 : /* it is incorrect if hsync/vsync width is zero */
3462 0 : if (!hsync_pulse_width || !vsync_pulse_width) {
3463 0 : drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Incorrect Detailed timing. Wrong Hsync/Vsync pulse width\n",
3464 : connector->base.id, connector->name);
3465 : return NULL;
3466 : }
3467 :
3468 0 : if (info->quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) {
3469 0 : mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false);
3470 0 : if (!mode)
3471 : return NULL;
3472 :
3473 : goto set_size;
3474 : }
3475 :
3476 0 : mode = drm_mode_create(dev);
3477 0 : if (!mode)
3478 : return NULL;
3479 :
3480 0 : if (info->quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
3481 0 : mode->clock = 1088 * 10;
3482 : else
3483 0 : mode->clock = le16_to_cpu(timing->pixel_clock) * 10;
3484 :
3485 0 : mode->hdisplay = hactive;
3486 0 : mode->hsync_start = mode->hdisplay + hsync_offset;
3487 0 : mode->hsync_end = mode->hsync_start + hsync_pulse_width;
3488 0 : mode->htotal = mode->hdisplay + hblank;
3489 :
3490 0 : mode->vdisplay = vactive;
3491 0 : mode->vsync_start = mode->vdisplay + vsync_offset;
3492 0 : mode->vsync_end = mode->vsync_start + vsync_pulse_width;
3493 0 : mode->vtotal = mode->vdisplay + vblank;
3494 :
3495 : /* Some EDIDs have bogus h/vtotal values */
3496 0 : if (mode->hsync_end > mode->htotal)
3497 0 : mode->htotal = mode->hsync_end + 1;
3498 0 : if (mode->vsync_end > mode->vtotal)
3499 0 : mode->vtotal = mode->vsync_end + 1;
3500 :
3501 0 : drm_mode_do_interlace_quirk(mode, pt);
3502 :
3503 0 : if (info->quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
3504 0 : mode->flags |= DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC;
3505 : } else {
3506 0 : switch (pt->misc & DRM_EDID_PT_SYNC_MASK) {
3507 : case DRM_EDID_PT_ANALOG_CSYNC:
3508 : case DRM_EDID_PT_BIPOLAR_ANALOG_CSYNC:
3509 0 : drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Analog composite sync!\n",
3510 : connector->base.id, connector->name);
3511 0 : mode->flags |= DRM_MODE_FLAG_CSYNC | DRM_MODE_FLAG_NCSYNC;
3512 : break;
3513 : case DRM_EDID_PT_DIGITAL_CSYNC:
3514 0 : drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Digital composite sync!\n",
3515 : connector->base.id, connector->name);
3516 0 : mode->flags |= DRM_MODE_FLAG_CSYNC;
3517 0 : mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
3518 0 : DRM_MODE_FLAG_PCSYNC : DRM_MODE_FLAG_NCSYNC;
3519 : break;
3520 : case DRM_EDID_PT_DIGITAL_SEPARATE_SYNC:
3521 0 : mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
3522 0 : DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
3523 0 : mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?
3524 0 : DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
3525 : break;
3526 : }
3527 : }
3528 :
3529 : set_size:
3530 0 : mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4;
3531 0 : mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8;
3532 :
3533 0 : if (info->quirks & EDID_QUIRK_DETAILED_IN_CM) {
3534 0 : mode->width_mm *= 10;
3535 0 : mode->height_mm *= 10;
3536 : }
3537 :
3538 0 : if (info->quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) {
3539 0 : mode->width_mm = drm_edid->edid->width_cm * 10;
3540 0 : mode->height_mm = drm_edid->edid->height_cm * 10;
3541 : }
3542 :
3543 0 : mode->type = DRM_MODE_TYPE_DRIVER;
3544 0 : drm_mode_set_name(mode);
3545 :
3546 : return mode;
3547 : }
3548 :
3549 : static bool
3550 0 : mode_in_hsync_range(const struct drm_display_mode *mode,
3551 : const struct edid *edid, const u8 *t)
3552 : {
3553 : int hsync, hmin, hmax;
3554 :
3555 0 : hmin = t[7];
3556 0 : if (edid->revision >= 4)
3557 0 : hmin += ((t[4] & 0x04) ? 255 : 0);
3558 0 : hmax = t[8];
3559 0 : if (edid->revision >= 4)
3560 0 : hmax += ((t[4] & 0x08) ? 255 : 0);
3561 0 : hsync = drm_mode_hsync(mode);
3562 :
3563 0 : return (hsync <= hmax && hsync >= hmin);
3564 : }
3565 :
3566 : static bool
3567 0 : mode_in_vsync_range(const struct drm_display_mode *mode,
3568 : const struct edid *edid, const u8 *t)
3569 : {
3570 : int vsync, vmin, vmax;
3571 :
3572 0 : vmin = t[5];
3573 0 : if (edid->revision >= 4)
3574 0 : vmin += ((t[4] & 0x01) ? 255 : 0);
3575 0 : vmax = t[6];
3576 0 : if (edid->revision >= 4)
3577 0 : vmax += ((t[4] & 0x02) ? 255 : 0);
3578 0 : vsync = drm_mode_vrefresh(mode);
3579 :
3580 0 : return (vsync <= vmax && vsync >= vmin);
3581 : }
3582 :
3583 : static u32
3584 : range_pixel_clock(const struct edid *edid, const u8 *t)
3585 : {
3586 : /* unspecified */
3587 0 : if (t[9] == 0 || t[9] == 255)
3588 : return 0;
3589 :
3590 : /* 1.4 with CVT support gives us real precision, yay */
3591 0 : if (edid->revision >= 4 && t[10] == DRM_EDID_CVT_SUPPORT_FLAG)
3592 0 : return (t[9] * 10000) - ((t[12] >> 2) * 250);
3593 :
3594 : /* 1.3 is pathetic, so fuzz up a bit */
3595 0 : return t[9] * 10000 + 5001;
3596 : }
3597 :
3598 0 : static bool mode_in_range(const struct drm_display_mode *mode,
3599 : const struct drm_edid *drm_edid,
3600 : const struct detailed_timing *timing)
3601 : {
3602 0 : const struct edid *edid = drm_edid->edid;
3603 : u32 max_clock;
3604 0 : const u8 *t = (const u8 *)timing;
3605 :
3606 0 : if (!mode_in_hsync_range(mode, edid, t))
3607 : return false;
3608 :
3609 0 : if (!mode_in_vsync_range(mode, edid, t))
3610 : return false;
3611 :
3612 0 : if ((max_clock = range_pixel_clock(edid, t)))
3613 0 : if (mode->clock > max_clock)
3614 : return false;
3615 :
3616 : /* 1.4 max horizontal check */
3617 0 : if (edid->revision >= 4 && t[10] == DRM_EDID_CVT_SUPPORT_FLAG)
3618 0 : if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
3619 : return false;
3620 :
3621 0 : if (mode_is_rb(mode) && !drm_monitor_supports_rb(drm_edid))
3622 : return false;
3623 :
3624 : return true;
3625 : }
3626 :
3627 0 : static bool valid_inferred_mode(const struct drm_connector *connector,
3628 : const struct drm_display_mode *mode)
3629 : {
3630 : const struct drm_display_mode *m;
3631 0 : bool ok = false;
3632 :
3633 0 : list_for_each_entry(m, &connector->probed_modes, head) {
3634 0 : if (mode->hdisplay == m->hdisplay &&
3635 0 : mode->vdisplay == m->vdisplay &&
3636 0 : drm_mode_vrefresh(mode) == drm_mode_vrefresh(m))
3637 : return false; /* duplicated */
3638 0 : if (mode->hdisplay <= m->hdisplay &&
3639 0 : mode->vdisplay <= m->vdisplay)
3640 0 : ok = true;
3641 : }
3642 : return ok;
3643 : }
3644 :
3645 0 : static int drm_dmt_modes_for_range(struct drm_connector *connector,
3646 : const struct drm_edid *drm_edid,
3647 : const struct detailed_timing *timing)
3648 : {
3649 0 : int i, modes = 0;
3650 : struct drm_display_mode *newmode;
3651 0 : struct drm_device *dev = connector->dev;
3652 :
3653 0 : for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
3654 0 : if (mode_in_range(drm_dmt_modes + i, drm_edid, timing) &&
3655 0 : valid_inferred_mode(connector, drm_dmt_modes + i)) {
3656 0 : newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
3657 0 : if (newmode) {
3658 0 : drm_mode_probed_add(connector, newmode);
3659 0 : modes++;
3660 : }
3661 : }
3662 : }
3663 :
3664 0 : return modes;
3665 : }
3666 :
3667 : /* fix up 1366x768 mode from 1368x768;
3668 : * GFT/CVT can't express 1366 width which isn't dividable by 8
3669 : */
3670 0 : void drm_mode_fixup_1366x768(struct drm_display_mode *mode)
3671 : {
3672 0 : if (mode->hdisplay == 1368 && mode->vdisplay == 768) {
3673 0 : mode->hdisplay = 1366;
3674 0 : mode->hsync_start--;
3675 0 : mode->hsync_end--;
3676 0 : drm_mode_set_name(mode);
3677 : }
3678 0 : }
3679 :
3680 0 : static int drm_gtf_modes_for_range(struct drm_connector *connector,
3681 : const struct drm_edid *drm_edid,
3682 : const struct detailed_timing *timing)
3683 : {
3684 0 : int i, modes = 0;
3685 : struct drm_display_mode *newmode;
3686 0 : struct drm_device *dev = connector->dev;
3687 :
3688 0 : for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
3689 0 : const struct minimode *m = &extra_modes[i];
3690 :
3691 0 : newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0);
3692 0 : if (!newmode)
3693 : return modes;
3694 :
3695 0 : drm_mode_fixup_1366x768(newmode);
3696 0 : if (!mode_in_range(newmode, drm_edid, timing) ||
3697 0 : !valid_inferred_mode(connector, newmode)) {
3698 0 : drm_mode_destroy(dev, newmode);
3699 0 : continue;
3700 : }
3701 :
3702 0 : drm_mode_probed_add(connector, newmode);
3703 0 : modes++;
3704 : }
3705 :
3706 : return modes;
3707 : }
3708 :
3709 0 : static int drm_gtf2_modes_for_range(struct drm_connector *connector,
3710 : const struct drm_edid *drm_edid,
3711 : const struct detailed_timing *timing)
3712 : {
3713 0 : int i, modes = 0;
3714 : struct drm_display_mode *newmode;
3715 0 : struct drm_device *dev = connector->dev;
3716 :
3717 0 : for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
3718 0 : const struct minimode *m = &extra_modes[i];
3719 :
3720 0 : newmode = drm_gtf2_mode(dev, drm_edid, m->w, m->h, m->r);
3721 0 : if (!newmode)
3722 : return modes;
3723 :
3724 0 : drm_mode_fixup_1366x768(newmode);
3725 0 : if (!mode_in_range(newmode, drm_edid, timing) ||
3726 0 : !valid_inferred_mode(connector, newmode)) {
3727 0 : drm_mode_destroy(dev, newmode);
3728 0 : continue;
3729 : }
3730 :
3731 0 : drm_mode_probed_add(connector, newmode);
3732 0 : modes++;
3733 : }
3734 :
3735 : return modes;
3736 : }
3737 :
3738 0 : static int drm_cvt_modes_for_range(struct drm_connector *connector,
3739 : const struct drm_edid *drm_edid,
3740 : const struct detailed_timing *timing)
3741 : {
3742 0 : int i, modes = 0;
3743 : struct drm_display_mode *newmode;
3744 0 : struct drm_device *dev = connector->dev;
3745 0 : bool rb = drm_monitor_supports_rb(drm_edid);
3746 :
3747 0 : for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
3748 0 : const struct minimode *m = &extra_modes[i];
3749 :
3750 0 : newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0);
3751 0 : if (!newmode)
3752 : return modes;
3753 :
3754 0 : drm_mode_fixup_1366x768(newmode);
3755 0 : if (!mode_in_range(newmode, drm_edid, timing) ||
3756 0 : !valid_inferred_mode(connector, newmode)) {
3757 0 : drm_mode_destroy(dev, newmode);
3758 0 : continue;
3759 : }
3760 :
3761 0 : drm_mode_probed_add(connector, newmode);
3762 0 : modes++;
3763 : }
3764 :
3765 : return modes;
3766 : }
3767 :
3768 : static void
3769 0 : do_inferred_modes(const struct detailed_timing *timing, void *c)
3770 : {
3771 0 : struct detailed_mode_closure *closure = c;
3772 0 : const struct detailed_non_pixel *data = &timing->data.other_data;
3773 0 : const struct detailed_data_monitor_range *range = &data->data.range;
3774 :
3775 0 : if (!is_display_descriptor(timing, EDID_DETAIL_MONITOR_RANGE))
3776 : return;
3777 :
3778 0 : closure->modes += drm_dmt_modes_for_range(closure->connector,
3779 : closure->drm_edid,
3780 : timing);
3781 :
3782 0 : if (closure->drm_edid->edid->revision < 2)
3783 : return; /* GTF not defined yet */
3784 :
3785 0 : switch (range->flags) {
3786 : case DRM_EDID_SECONDARY_GTF_SUPPORT_FLAG:
3787 0 : closure->modes += drm_gtf2_modes_for_range(closure->connector,
3788 : closure->drm_edid,
3789 : timing);
3790 0 : break;
3791 : case DRM_EDID_DEFAULT_GTF_SUPPORT_FLAG:
3792 0 : closure->modes += drm_gtf_modes_for_range(closure->connector,
3793 : closure->drm_edid,
3794 : timing);
3795 0 : break;
3796 : case DRM_EDID_CVT_SUPPORT_FLAG:
3797 0 : if (closure->drm_edid->edid->revision < 4)
3798 : break;
3799 :
3800 0 : closure->modes += drm_cvt_modes_for_range(closure->connector,
3801 : closure->drm_edid,
3802 : timing);
3803 0 : break;
3804 : case DRM_EDID_RANGE_LIMITS_ONLY_FLAG:
3805 : default:
3806 : break;
3807 : }
3808 : }
3809 :
3810 0 : static int add_inferred_modes(struct drm_connector *connector,
3811 : const struct drm_edid *drm_edid)
3812 : {
3813 0 : struct detailed_mode_closure closure = {
3814 : .connector = connector,
3815 : .drm_edid = drm_edid,
3816 : };
3817 :
3818 0 : if (drm_edid->edid->revision >= 1)
3819 0 : drm_for_each_detailed_block(drm_edid, do_inferred_modes, &closure);
3820 :
3821 0 : return closure.modes;
3822 : }
3823 :
3824 : static int
3825 0 : drm_est3_modes(struct drm_connector *connector, const struct detailed_timing *timing)
3826 : {
3827 0 : int i, j, m, modes = 0;
3828 : struct drm_display_mode *mode;
3829 0 : const u8 *est = ((const u8 *)timing) + 6;
3830 :
3831 0 : for (i = 0; i < 6; i++) {
3832 0 : for (j = 7; j >= 0; j--) {
3833 0 : m = (i * 8) + (7 - j);
3834 0 : if (m >= ARRAY_SIZE(est3_modes))
3835 : break;
3836 0 : if (est[i] & (1 << j)) {
3837 0 : mode = drm_mode_find_dmt(connector->dev,
3838 0 : est3_modes[m].w,
3839 0 : est3_modes[m].h,
3840 0 : est3_modes[m].r,
3841 0 : est3_modes[m].rb);
3842 0 : if (mode) {
3843 0 : drm_mode_probed_add(connector, mode);
3844 0 : modes++;
3845 : }
3846 : }
3847 : }
3848 : }
3849 :
3850 0 : return modes;
3851 : }
3852 :
3853 : static void
3854 0 : do_established_modes(const struct detailed_timing *timing, void *c)
3855 : {
3856 0 : struct detailed_mode_closure *closure = c;
3857 :
3858 0 : if (!is_display_descriptor(timing, EDID_DETAIL_EST_TIMINGS))
3859 : return;
3860 :
3861 0 : closure->modes += drm_est3_modes(closure->connector, timing);
3862 : }
3863 :
3864 : /*
3865 : * Get established modes from EDID and add them. Each EDID block contains a
3866 : * bitmap of the supported "established modes" list (defined above). Tease them
3867 : * out and add them to the global modes list.
3868 : */
3869 0 : static int add_established_modes(struct drm_connector *connector,
3870 : const struct drm_edid *drm_edid)
3871 : {
3872 0 : struct drm_device *dev = connector->dev;
3873 0 : const struct edid *edid = drm_edid->edid;
3874 0 : unsigned long est_bits = edid->established_timings.t1 |
3875 0 : (edid->established_timings.t2 << 8) |
3876 0 : ((edid->established_timings.mfg_rsvd & 0x80) << 9);
3877 0 : int i, modes = 0;
3878 0 : struct detailed_mode_closure closure = {
3879 : .connector = connector,
3880 : .drm_edid = drm_edid,
3881 : };
3882 :
3883 0 : for (i = 0; i <= EDID_EST_TIMINGS; i++) {
3884 0 : if (est_bits & (1<<i)) {
3885 : struct drm_display_mode *newmode;
3886 :
3887 0 : newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
3888 0 : if (newmode) {
3889 0 : drm_mode_probed_add(connector, newmode);
3890 0 : modes++;
3891 : }
3892 : }
3893 : }
3894 :
3895 0 : if (edid->revision >= 1)
3896 0 : drm_for_each_detailed_block(drm_edid, do_established_modes,
3897 : &closure);
3898 :
3899 0 : return modes + closure.modes;
3900 : }
3901 :
3902 : static void
3903 0 : do_standard_modes(const struct detailed_timing *timing, void *c)
3904 : {
3905 0 : struct detailed_mode_closure *closure = c;
3906 0 : const struct detailed_non_pixel *data = &timing->data.other_data;
3907 0 : struct drm_connector *connector = closure->connector;
3908 : int i;
3909 :
3910 0 : if (!is_display_descriptor(timing, EDID_DETAIL_STD_MODES))
3911 : return;
3912 :
3913 0 : for (i = 0; i < 6; i++) {
3914 0 : const struct std_timing *std = &data->data.timings[i];
3915 : struct drm_display_mode *newmode;
3916 :
3917 0 : newmode = drm_mode_std(connector, closure->drm_edid, std);
3918 0 : if (newmode) {
3919 0 : drm_mode_probed_add(connector, newmode);
3920 0 : closure->modes++;
3921 : }
3922 : }
3923 : }
3924 :
3925 : /*
3926 : * Get standard modes from EDID and add them. Standard modes can be calculated
3927 : * using the appropriate standard (DMT, GTF, or CVT). Grab them from EDID and
3928 : * add them to the list.
3929 : */
3930 0 : static int add_standard_modes(struct drm_connector *connector,
3931 : const struct drm_edid *drm_edid)
3932 : {
3933 0 : int i, modes = 0;
3934 0 : struct detailed_mode_closure closure = {
3935 : .connector = connector,
3936 : .drm_edid = drm_edid,
3937 : };
3938 :
3939 0 : for (i = 0; i < EDID_STD_TIMINGS; i++) {
3940 : struct drm_display_mode *newmode;
3941 :
3942 0 : newmode = drm_mode_std(connector, drm_edid,
3943 0 : &drm_edid->edid->standard_timings[i]);
3944 0 : if (newmode) {
3945 0 : drm_mode_probed_add(connector, newmode);
3946 0 : modes++;
3947 : }
3948 : }
3949 :
3950 0 : if (drm_edid->edid->revision >= 1)
3951 0 : drm_for_each_detailed_block(drm_edid, do_standard_modes,
3952 : &closure);
3953 :
3954 : /* XXX should also look for standard codes in VTB blocks */
3955 :
3956 0 : return modes + closure.modes;
3957 : }
3958 :
3959 0 : static int drm_cvt_modes(struct drm_connector *connector,
3960 : const struct detailed_timing *timing)
3961 : {
3962 0 : int i, j, modes = 0;
3963 : struct drm_display_mode *newmode;
3964 0 : struct drm_device *dev = connector->dev;
3965 : const struct cvt_timing *cvt;
3966 : static const int rates[] = { 60, 85, 75, 60, 50 };
3967 0 : const u8 empty[3] = { 0, 0, 0 };
3968 :
3969 0 : for (i = 0; i < 4; i++) {
3970 : int width, height;
3971 :
3972 0 : cvt = &(timing->data.other_data.data.cvt[i]);
3973 :
3974 0 : if (!memcmp(cvt->code, empty, 3))
3975 0 : continue;
3976 :
3977 0 : height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;
3978 0 : switch (cvt->code[1] & 0x0c) {
3979 : /* default - because compiler doesn't see that we've enumerated all cases */
3980 : default:
3981 : case 0x00:
3982 0 : width = height * 4 / 3;
3983 0 : break;
3984 : case 0x04:
3985 0 : width = height * 16 / 9;
3986 0 : break;
3987 : case 0x08:
3988 0 : width = height * 16 / 10;
3989 0 : break;
3990 : case 0x0c:
3991 0 : width = height * 15 / 9;
3992 0 : break;
3993 : }
3994 :
3995 0 : for (j = 1; j < 5; j++) {
3996 0 : if (cvt->code[2] & (1 << j)) {
3997 0 : newmode = drm_cvt_mode(dev, width, height,
3998 : rates[j], j == 0,
3999 : false, false);
4000 0 : if (newmode) {
4001 0 : drm_mode_probed_add(connector, newmode);
4002 0 : modes++;
4003 : }
4004 : }
4005 : }
4006 : }
4007 :
4008 0 : return modes;
4009 : }
4010 :
4011 : static void
4012 0 : do_cvt_mode(const struct detailed_timing *timing, void *c)
4013 : {
4014 0 : struct detailed_mode_closure *closure = c;
4015 :
4016 0 : if (!is_display_descriptor(timing, EDID_DETAIL_CVT_3BYTE))
4017 : return;
4018 :
4019 0 : closure->modes += drm_cvt_modes(closure->connector, timing);
4020 : }
4021 :
4022 : static int
4023 0 : add_cvt_modes(struct drm_connector *connector, const struct drm_edid *drm_edid)
4024 : {
4025 0 : struct detailed_mode_closure closure = {
4026 : .connector = connector,
4027 : .drm_edid = drm_edid,
4028 : };
4029 :
4030 0 : if (drm_edid->edid->revision >= 3)
4031 0 : drm_for_each_detailed_block(drm_edid, do_cvt_mode, &closure);
4032 :
4033 : /* XXX should also look for CVT codes in VTB blocks */
4034 :
4035 0 : return closure.modes;
4036 : }
4037 :
4038 : static void fixup_detailed_cea_mode_clock(struct drm_connector *connector,
4039 : struct drm_display_mode *mode);
4040 :
4041 : static void
4042 0 : do_detailed_mode(const struct detailed_timing *timing, void *c)
4043 : {
4044 0 : struct detailed_mode_closure *closure = c;
4045 : struct drm_display_mode *newmode;
4046 :
4047 0 : if (!is_detailed_timing_descriptor(timing))
4048 : return;
4049 :
4050 0 : newmode = drm_mode_detailed(closure->connector,
4051 : closure->drm_edid, timing);
4052 0 : if (!newmode)
4053 : return;
4054 :
4055 0 : if (closure->preferred)
4056 0 : newmode->type |= DRM_MODE_TYPE_PREFERRED;
4057 :
4058 : /*
4059 : * Detailed modes are limited to 10kHz pixel clock resolution,
4060 : * so fix up anything that looks like CEA/HDMI mode, but the clock
4061 : * is just slightly off.
4062 : */
4063 0 : fixup_detailed_cea_mode_clock(closure->connector, newmode);
4064 :
4065 0 : drm_mode_probed_add(closure->connector, newmode);
4066 0 : closure->modes++;
4067 0 : closure->preferred = false;
4068 : }
4069 :
4070 : /*
4071 : * add_detailed_modes - Add modes from detailed timings
4072 : * @connector: attached connector
4073 : * @drm_edid: EDID block to scan
4074 : */
4075 0 : static int add_detailed_modes(struct drm_connector *connector,
4076 : const struct drm_edid *drm_edid)
4077 : {
4078 0 : struct detailed_mode_closure closure = {
4079 : .connector = connector,
4080 : .drm_edid = drm_edid,
4081 : };
4082 :
4083 0 : if (drm_edid->edid->revision >= 4)
4084 0 : closure.preferred = true; /* first detailed timing is always preferred */
4085 : else
4086 0 : closure.preferred =
4087 0 : drm_edid->edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING;
4088 :
4089 0 : drm_for_each_detailed_block(drm_edid, do_detailed_mode, &closure);
4090 :
4091 0 : return closure.modes;
4092 : }
4093 :
4094 : /* CTA-861-H Table 60 - CTA Tag Codes */
4095 : #define CTA_DB_AUDIO 1
4096 : #define CTA_DB_VIDEO 2
4097 : #define CTA_DB_VENDOR 3
4098 : #define CTA_DB_SPEAKER 4
4099 : #define CTA_DB_EXTENDED_TAG 7
4100 :
4101 : /* CTA-861-H Table 62 - CTA Extended Tag Codes */
4102 : #define CTA_EXT_DB_VIDEO_CAP 0
4103 : #define CTA_EXT_DB_VENDOR 1
4104 : #define CTA_EXT_DB_HDR_STATIC_METADATA 6
4105 : #define CTA_EXT_DB_420_VIDEO_DATA 14
4106 : #define CTA_EXT_DB_420_VIDEO_CAP_MAP 15
4107 : #define CTA_EXT_DB_HF_EEODB 0x78
4108 : #define CTA_EXT_DB_HF_SCDB 0x79
4109 :
4110 : #define EDID_BASIC_AUDIO (1 << 6)
4111 : #define EDID_CEA_YCRCB444 (1 << 5)
4112 : #define EDID_CEA_YCRCB422 (1 << 4)
4113 : #define EDID_CEA_VCDB_QS (1 << 6)
4114 :
4115 : /*
4116 : * Search EDID for CEA extension block.
4117 : *
4118 : * FIXME: Prefer not returning pointers to raw EDID data.
4119 : */
4120 0 : const u8 *drm_find_edid_extension(const struct drm_edid *drm_edid,
4121 : int ext_id, int *ext_index)
4122 : {
4123 0 : const u8 *edid_ext = NULL;
4124 : int i;
4125 :
4126 : /* No EDID or EDID extensions */
4127 0 : if (!drm_edid || !drm_edid_extension_block_count(drm_edid))
4128 : return NULL;
4129 :
4130 : /* Find CEA extension */
4131 0 : for (i = *ext_index; i < drm_edid_extension_block_count(drm_edid); i++) {
4132 0 : edid_ext = drm_edid_extension_block_data(drm_edid, i);
4133 0 : if (edid_block_tag(edid_ext) == ext_id)
4134 : break;
4135 : }
4136 :
4137 0 : if (i >= drm_edid_extension_block_count(drm_edid))
4138 : return NULL;
4139 :
4140 0 : *ext_index = i + 1;
4141 :
4142 0 : return edid_ext;
4143 : }
4144 :
4145 : /* Return true if the EDID has a CTA extension or a DisplayID CTA data block */
4146 0 : static bool drm_edid_has_cta_extension(const struct drm_edid *drm_edid)
4147 : {
4148 : const struct displayid_block *block;
4149 : struct displayid_iter iter;
4150 0 : int ext_index = 0;
4151 0 : bool found = false;
4152 :
4153 : /* Look for a top level CEA extension block */
4154 0 : if (drm_find_edid_extension(drm_edid, CEA_EXT, &ext_index))
4155 : return true;
4156 :
4157 : /* CEA blocks can also be found embedded in a DisplayID block */
4158 0 : displayid_iter_edid_begin(drm_edid, &iter);
4159 0 : displayid_iter_for_each(block, &iter) {
4160 0 : if (block->tag == DATA_BLOCK_CTA) {
4161 : found = true;
4162 : break;
4163 : }
4164 : }
4165 0 : displayid_iter_end(&iter);
4166 :
4167 0 : return found;
4168 : }
4169 :
4170 : static __always_inline const struct drm_display_mode *cea_mode_for_vic(u8 vic)
4171 : {
4172 : BUILD_BUG_ON(1 + ARRAY_SIZE(edid_cea_modes_1) - 1 != 127);
4173 : BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 219);
4174 :
4175 17735 : if (vic >= 1 && vic < 1 + ARRAY_SIZE(edid_cea_modes_1))
4176 14630 : return &edid_cea_modes_1[vic - 1];
4177 3105 : if (vic >= 193 && vic < 193 + ARRAY_SIZE(edid_cea_modes_193))
4178 3105 : return &edid_cea_modes_193[vic - 193];
4179 : return NULL;
4180 : }
4181 :
4182 : static u8 cea_num_vics(void)
4183 : {
4184 : return 193 + ARRAY_SIZE(edid_cea_modes_193);
4185 : }
4186 :
4187 : static u8 cea_next_vic(u8 vic)
4188 : {
4189 17725 : if (++vic == 1 + ARRAY_SIZE(edid_cea_modes_1))
4190 115 : vic = 193;
4191 : return vic;
4192 : }
4193 :
4194 : /*
4195 : * Calculate the alternate clock for the CEA mode
4196 : * (60Hz vs. 59.94Hz etc.)
4197 : */
4198 : static unsigned int
4199 17735 : cea_mode_alternate_clock(const struct drm_display_mode *cea_mode)
4200 : {
4201 17735 : unsigned int clock = cea_mode->clock;
4202 :
4203 17735 : if (drm_mode_vrefresh(cea_mode) % 6 != 0)
4204 : return clock;
4205 :
4206 : /*
4207 : * edid_cea_modes contains the 59.94Hz
4208 : * variant for 240 and 480 line modes,
4209 : * and the 60Hz variant otherwise.
4210 : */
4211 10375 : if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480)
4212 2665 : clock = DIV_ROUND_CLOSEST(clock * 1001, 1000);
4213 : else
4214 7710 : clock = DIV_ROUND_CLOSEST(clock * 1000, 1001);
4215 :
4216 : return clock;
4217 : }
4218 :
4219 : static bool
4220 325 : cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode)
4221 : {
4222 : /*
4223 : * For certain VICs the spec allows the vertical
4224 : * front porch to vary by one or two lines.
4225 : *
4226 : * cea_modes[] stores the variant with the shortest
4227 : * vertical front porch. We can adjust the mode to
4228 : * get the other variants by simply increasing the
4229 : * vertical front porch length.
4230 : */
4231 325 : BUILD_BUG_ON(cea_mode_for_vic(8)->vtotal != 262 ||
4232 : cea_mode_for_vic(9)->vtotal != 262 ||
4233 : cea_mode_for_vic(12)->vtotal != 262 ||
4234 : cea_mode_for_vic(13)->vtotal != 262 ||
4235 : cea_mode_for_vic(23)->vtotal != 312 ||
4236 : cea_mode_for_vic(24)->vtotal != 312 ||
4237 : cea_mode_for_vic(27)->vtotal != 312 ||
4238 : cea_mode_for_vic(28)->vtotal != 312);
4239 :
4240 650 : if (((vic == 8 || vic == 9 ||
4241 915 : vic == 12 || vic == 13) && mode->vtotal < 263) ||
4242 610 : ((vic == 23 || vic == 24 ||
4243 550 : vic == 27 || vic == 28) && mode->vtotal < 314)) {
4244 60 : mode->vsync_start++;
4245 60 : mode->vsync_end++;
4246 60 : mode->vtotal++;
4247 :
4248 60 : return true;
4249 : }
4250 :
4251 : return false;
4252 : }
4253 :
4254 0 : static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match,
4255 : unsigned int clock_tolerance)
4256 : {
4257 0 : unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
4258 : u8 vic;
4259 :
4260 0 : if (!to_match->clock)
4261 : return 0;
4262 :
4263 0 : if (to_match->picture_aspect_ratio)
4264 0 : match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
4265 :
4266 0 : for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
4267 : struct drm_display_mode cea_mode;
4268 : unsigned int clock1, clock2;
4269 :
4270 0 : drm_mode_init(&cea_mode, cea_mode_for_vic(vic));
4271 :
4272 : /* Check both 60Hz and 59.94Hz */
4273 0 : clock1 = cea_mode.clock;
4274 0 : clock2 = cea_mode_alternate_clock(&cea_mode);
4275 :
4276 0 : if (abs(to_match->clock - clock1) > clock_tolerance &&
4277 0 : abs(to_match->clock - clock2) > clock_tolerance)
4278 0 : continue;
4279 :
4280 : do {
4281 0 : if (drm_mode_match(to_match, &cea_mode, match_flags))
4282 0 : return vic;
4283 0 : } while (cea_mode_alternate_timings(vic, &cea_mode));
4284 : }
4285 :
4286 : return 0;
4287 : }
4288 :
4289 : /**
4290 : * drm_match_cea_mode - look for a CEA mode matching given mode
4291 : * @to_match: display mode
4292 : *
4293 : * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
4294 : * mode.
4295 : */
4296 125 : u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
4297 : {
4298 125 : unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
4299 : u8 vic;
4300 :
4301 125 : if (!to_match->clock)
4302 : return 0;
4303 :
4304 125 : if (to_match->picture_aspect_ratio)
4305 0 : match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
4306 :
4307 17975 : for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
4308 : struct drm_display_mode cea_mode;
4309 : unsigned int clock1, clock2;
4310 :
4311 35470 : drm_mode_init(&cea_mode, cea_mode_for_vic(vic));
4312 :
4313 : /* Check both 60Hz and 59.94Hz */
4314 17735 : clock1 = cea_mode.clock;
4315 17735 : clock2 = cea_mode_alternate_clock(&cea_mode);
4316 :
4317 35195 : if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) &&
4318 17460 : KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2))
4319 17460 : continue;
4320 :
4321 : do {
4322 335 : if (drm_mode_match(to_match, &cea_mode, match_flags))
4323 10 : return vic;
4324 325 : } while (cea_mode_alternate_timings(vic, &cea_mode));
4325 : }
4326 :
4327 : return 0;
4328 : }
4329 : EXPORT_SYMBOL(drm_match_cea_mode);
4330 :
4331 : static bool drm_valid_cea_vic(u8 vic)
4332 : {
4333 0 : return cea_mode_for_vic(vic) != NULL;
4334 : }
4335 :
4336 : static enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code)
4337 : {
4338 0 : const struct drm_display_mode *mode = cea_mode_for_vic(video_code);
4339 :
4340 0 : if (mode)
4341 0 : return mode->picture_aspect_ratio;
4342 :
4343 : return HDMI_PICTURE_ASPECT_NONE;
4344 : }
4345 :
4346 : static enum hdmi_picture_aspect drm_get_hdmi_aspect_ratio(const u8 video_code)
4347 : {
4348 0 : return edid_4k_modes[video_code].picture_aspect_ratio;
4349 : }
4350 :
4351 : /*
4352 : * Calculate the alternate clock for HDMI modes (those from the HDMI vendor
4353 : * specific block).
4354 : */
4355 : static unsigned int
4356 : hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode)
4357 : {
4358 0 : return cea_mode_alternate_clock(hdmi_mode);
4359 : }
4360 :
4361 0 : static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match,
4362 : unsigned int clock_tolerance)
4363 : {
4364 0 : unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
4365 : u8 vic;
4366 :
4367 0 : if (!to_match->clock)
4368 : return 0;
4369 :
4370 0 : if (to_match->picture_aspect_ratio)
4371 0 : match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
4372 :
4373 0 : for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
4374 0 : const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
4375 : unsigned int clock1, clock2;
4376 :
4377 : /* Make sure to also match alternate clocks */
4378 0 : clock1 = hdmi_mode->clock;
4379 0 : clock2 = hdmi_mode_alternate_clock(hdmi_mode);
4380 :
4381 0 : if (abs(to_match->clock - clock1) > clock_tolerance &&
4382 0 : abs(to_match->clock - clock2) > clock_tolerance)
4383 0 : continue;
4384 :
4385 0 : if (drm_mode_match(to_match, hdmi_mode, match_flags))
4386 : return vic;
4387 : }
4388 :
4389 : return 0;
4390 : }
4391 :
4392 : /*
4393 : * drm_match_hdmi_mode - look for a HDMI mode matching given mode
4394 : * @to_match: display mode
4395 : *
4396 : * An HDMI mode is one defined in the HDMI vendor specific block.
4397 : *
4398 : * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one.
4399 : */
4400 0 : static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match)
4401 : {
4402 0 : unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
4403 : u8 vic;
4404 :
4405 0 : if (!to_match->clock)
4406 : return 0;
4407 :
4408 0 : if (to_match->picture_aspect_ratio)
4409 0 : match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
4410 :
4411 0 : for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
4412 0 : const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
4413 : unsigned int clock1, clock2;
4414 :
4415 : /* Make sure to also match alternate clocks */
4416 0 : clock1 = hdmi_mode->clock;
4417 0 : clock2 = hdmi_mode_alternate_clock(hdmi_mode);
4418 :
4419 0 : if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||
4420 0 : KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&
4421 0 : drm_mode_match(to_match, hdmi_mode, match_flags))
4422 : return vic;
4423 : }
4424 : return 0;
4425 : }
4426 :
4427 : static bool drm_valid_hdmi_vic(u8 vic)
4428 : {
4429 0 : return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes);
4430 : }
4431 :
4432 0 : static int add_alternate_cea_modes(struct drm_connector *connector,
4433 : const struct drm_edid *drm_edid)
4434 : {
4435 0 : struct drm_device *dev = connector->dev;
4436 : struct drm_display_mode *mode, *tmp;
4437 0 : LIST_HEAD(list);
4438 0 : int modes = 0;
4439 :
4440 : /* Don't add CTA modes if the CTA extension block is missing */
4441 0 : if (!drm_edid_has_cta_extension(drm_edid))
4442 : return 0;
4443 :
4444 : /*
4445 : * Go through all probed modes and create a new mode
4446 : * with the alternate clock for certain CEA modes.
4447 : */
4448 0 : list_for_each_entry(mode, &connector->probed_modes, head) {
4449 0 : const struct drm_display_mode *cea_mode = NULL;
4450 : struct drm_display_mode *newmode;
4451 0 : u8 vic = drm_match_cea_mode(mode);
4452 : unsigned int clock1, clock2;
4453 :
4454 0 : if (drm_valid_cea_vic(vic)) {
4455 0 : cea_mode = cea_mode_for_vic(vic);
4456 0 : clock2 = cea_mode_alternate_clock(cea_mode);
4457 : } else {
4458 0 : vic = drm_match_hdmi_mode(mode);
4459 0 : if (drm_valid_hdmi_vic(vic)) {
4460 0 : cea_mode = &edid_4k_modes[vic];
4461 0 : clock2 = hdmi_mode_alternate_clock(cea_mode);
4462 : }
4463 : }
4464 :
4465 0 : if (!cea_mode)
4466 0 : continue;
4467 :
4468 0 : clock1 = cea_mode->clock;
4469 :
4470 0 : if (clock1 == clock2)
4471 0 : continue;
4472 :
4473 0 : if (mode->clock != clock1 && mode->clock != clock2)
4474 0 : continue;
4475 :
4476 0 : newmode = drm_mode_duplicate(dev, cea_mode);
4477 0 : if (!newmode)
4478 0 : continue;
4479 :
4480 : /* Carry over the stereo flags */
4481 0 : newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK;
4482 :
4483 : /*
4484 : * The current mode could be either variant. Make
4485 : * sure to pick the "other" clock for the new mode.
4486 : */
4487 0 : if (mode->clock != clock1)
4488 0 : newmode->clock = clock1;
4489 : else
4490 0 : newmode->clock = clock2;
4491 :
4492 0 : list_add_tail(&newmode->head, &list);
4493 : }
4494 :
4495 0 : list_for_each_entry_safe(mode, tmp, &list, head) {
4496 0 : list_del(&mode->head);
4497 0 : drm_mode_probed_add(connector, mode);
4498 0 : modes++;
4499 : }
4500 :
4501 : return modes;
4502 : }
4503 :
4504 : static u8 svd_to_vic(u8 svd)
4505 : {
4506 : /* 0-6 bit vic, 7th bit native mode indicator */
4507 0 : if ((svd >= 1 && svd <= 64) || (svd >= 129 && svd <= 192))
4508 0 : return svd & 127;
4509 :
4510 : return svd;
4511 : }
4512 :
4513 : /*
4514 : * Return a display mode for the 0-based vic_index'th VIC across all CTA VDBs in
4515 : * the EDID, or NULL on errors.
4516 : */
4517 : static struct drm_display_mode *
4518 0 : drm_display_mode_from_vic_index(struct drm_connector *connector, int vic_index)
4519 : {
4520 0 : const struct drm_display_info *info = &connector->display_info;
4521 0 : struct drm_device *dev = connector->dev;
4522 :
4523 0 : if (!info->vics || vic_index >= info->vics_len || !info->vics[vic_index])
4524 : return NULL;
4525 :
4526 0 : return drm_display_mode_from_cea_vic(dev, info->vics[vic_index]);
4527 : }
4528 :
4529 : /*
4530 : * do_y420vdb_modes - Parse YCBCR 420 only modes
4531 : * @connector: connector corresponding to the HDMI sink
4532 : * @svds: start of the data block of CEA YCBCR 420 VDB
4533 : * @len: length of the CEA YCBCR 420 VDB
4534 : *
4535 : * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB)
4536 : * which contains modes which can be supported in YCBCR 420
4537 : * output format only.
4538 : */
4539 0 : static int do_y420vdb_modes(struct drm_connector *connector,
4540 : const u8 *svds, u8 svds_len)
4541 : {
4542 0 : struct drm_device *dev = connector->dev;
4543 0 : int modes = 0, i;
4544 :
4545 0 : for (i = 0; i < svds_len; i++) {
4546 0 : u8 vic = svd_to_vic(svds[i]);
4547 : struct drm_display_mode *newmode;
4548 :
4549 0 : if (!drm_valid_cea_vic(vic))
4550 0 : continue;
4551 :
4552 0 : newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
4553 0 : if (!newmode)
4554 : break;
4555 0 : drm_mode_probed_add(connector, newmode);
4556 0 : modes++;
4557 : }
4558 :
4559 0 : return modes;
4560 : }
4561 :
4562 : /**
4563 : * drm_display_mode_from_cea_vic() - return a mode for CEA VIC
4564 : * @dev: DRM device
4565 : * @video_code: CEA VIC of the mode
4566 : *
4567 : * Creates a new mode matching the specified CEA VIC.
4568 : *
4569 : * Returns: A new drm_display_mode on success or NULL on failure
4570 : */
4571 : struct drm_display_mode *
4572 0 : drm_display_mode_from_cea_vic(struct drm_device *dev,
4573 : u8 video_code)
4574 : {
4575 : const struct drm_display_mode *cea_mode;
4576 : struct drm_display_mode *newmode;
4577 :
4578 0 : cea_mode = cea_mode_for_vic(video_code);
4579 0 : if (!cea_mode)
4580 : return NULL;
4581 :
4582 0 : newmode = drm_mode_duplicate(dev, cea_mode);
4583 0 : if (!newmode)
4584 : return NULL;
4585 :
4586 0 : return newmode;
4587 : }
4588 : EXPORT_SYMBOL(drm_display_mode_from_cea_vic);
4589 :
4590 : /* Add modes based on VICs parsed in parse_cta_vdb() */
4591 0 : static int add_cta_vdb_modes(struct drm_connector *connector)
4592 : {
4593 0 : const struct drm_display_info *info = &connector->display_info;
4594 0 : int i, modes = 0;
4595 :
4596 0 : if (!info->vics)
4597 : return 0;
4598 :
4599 0 : for (i = 0; i < info->vics_len; i++) {
4600 : struct drm_display_mode *mode;
4601 :
4602 0 : mode = drm_display_mode_from_vic_index(connector, i);
4603 0 : if (mode) {
4604 0 : drm_mode_probed_add(connector, mode);
4605 0 : modes++;
4606 : }
4607 : }
4608 :
4609 : return modes;
4610 : }
4611 :
4612 : struct stereo_mandatory_mode {
4613 : int width, height, vrefresh;
4614 : unsigned int flags;
4615 : };
4616 :
4617 : static const struct stereo_mandatory_mode stereo_mandatory_modes[] = {
4618 : { 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
4619 : { 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING },
4620 : { 1920, 1080, 50,
4621 : DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
4622 : { 1920, 1080, 60,
4623 : DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
4624 : { 1280, 720, 50, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
4625 : { 1280, 720, 50, DRM_MODE_FLAG_3D_FRAME_PACKING },
4626 : { 1280, 720, 60, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
4627 : { 1280, 720, 60, DRM_MODE_FLAG_3D_FRAME_PACKING }
4628 : };
4629 :
4630 : static bool
4631 0 : stereo_match_mandatory(const struct drm_display_mode *mode,
4632 : const struct stereo_mandatory_mode *stereo_mode)
4633 : {
4634 0 : unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;
4635 :
4636 0 : return mode->hdisplay == stereo_mode->width &&
4637 0 : mode->vdisplay == stereo_mode->height &&
4638 0 : interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) &&
4639 0 : drm_mode_vrefresh(mode) == stereo_mode->vrefresh;
4640 : }
4641 :
4642 0 : static int add_hdmi_mandatory_stereo_modes(struct drm_connector *connector)
4643 : {
4644 0 : struct drm_device *dev = connector->dev;
4645 : const struct drm_display_mode *mode;
4646 : struct list_head stereo_modes;
4647 0 : int modes = 0, i;
4648 :
4649 0 : INIT_LIST_HEAD(&stereo_modes);
4650 :
4651 0 : list_for_each_entry(mode, &connector->probed_modes, head) {
4652 0 : for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) {
4653 : const struct stereo_mandatory_mode *mandatory;
4654 : struct drm_display_mode *new_mode;
4655 :
4656 0 : if (!stereo_match_mandatory(mode,
4657 : &stereo_mandatory_modes[i]))
4658 0 : continue;
4659 :
4660 0 : mandatory = &stereo_mandatory_modes[i];
4661 0 : new_mode = drm_mode_duplicate(dev, mode);
4662 0 : if (!new_mode)
4663 0 : continue;
4664 :
4665 0 : new_mode->flags |= mandatory->flags;
4666 0 : list_add_tail(&new_mode->head, &stereo_modes);
4667 0 : modes++;
4668 : }
4669 : }
4670 :
4671 0 : list_splice_tail(&stereo_modes, &connector->probed_modes);
4672 :
4673 0 : return modes;
4674 : }
4675 :
4676 0 : static int add_hdmi_mode(struct drm_connector *connector, u8 vic)
4677 : {
4678 0 : struct drm_device *dev = connector->dev;
4679 : struct drm_display_mode *newmode;
4680 :
4681 0 : if (!drm_valid_hdmi_vic(vic)) {
4682 0 : drm_err(connector->dev, "[CONNECTOR:%d:%s] Unknown HDMI VIC: %d\n",
4683 : connector->base.id, connector->name, vic);
4684 0 : return 0;
4685 : }
4686 :
4687 0 : newmode = drm_mode_duplicate(dev, &edid_4k_modes[vic]);
4688 0 : if (!newmode)
4689 : return 0;
4690 :
4691 0 : drm_mode_probed_add(connector, newmode);
4692 :
4693 0 : return 1;
4694 : }
4695 :
4696 0 : static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
4697 : int vic_index)
4698 : {
4699 : struct drm_display_mode *newmode;
4700 0 : int modes = 0;
4701 :
4702 0 : if (structure & (1 << 0)) {
4703 0 : newmode = drm_display_mode_from_vic_index(connector, vic_index);
4704 0 : if (newmode) {
4705 0 : newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING;
4706 0 : drm_mode_probed_add(connector, newmode);
4707 0 : modes++;
4708 : }
4709 : }
4710 0 : if (structure & (1 << 6)) {
4711 0 : newmode = drm_display_mode_from_vic_index(connector, vic_index);
4712 0 : if (newmode) {
4713 0 : newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
4714 0 : drm_mode_probed_add(connector, newmode);
4715 0 : modes++;
4716 : }
4717 : }
4718 0 : if (structure & (1 << 8)) {
4719 0 : newmode = drm_display_mode_from_vic_index(connector, vic_index);
4720 0 : if (newmode) {
4721 0 : newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
4722 0 : drm_mode_probed_add(connector, newmode);
4723 0 : modes++;
4724 : }
4725 : }
4726 :
4727 0 : return modes;
4728 : }
4729 :
4730 : static bool hdmi_vsdb_latency_present(const u8 *db)
4731 : {
4732 0 : return db[8] & BIT(7);
4733 : }
4734 :
4735 : static bool hdmi_vsdb_i_latency_present(const u8 *db)
4736 : {
4737 0 : return hdmi_vsdb_latency_present(db) && db[8] & BIT(6);
4738 : }
4739 :
4740 : static int hdmi_vsdb_latency_length(const u8 *db)
4741 : {
4742 0 : if (hdmi_vsdb_i_latency_present(db))
4743 : return 4;
4744 0 : else if (hdmi_vsdb_latency_present(db))
4745 : return 2;
4746 : else
4747 : return 0;
4748 : }
4749 :
4750 : /*
4751 : * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block
4752 : * @connector: connector corresponding to the HDMI sink
4753 : * @db: start of the CEA vendor specific block
4754 : * @len: length of the CEA block payload, ie. one can access up to db[len]
4755 : *
4756 : * Parses the HDMI VSDB looking for modes to add to @connector. This function
4757 : * also adds the stereo 3d modes when applicable.
4758 : */
4759 : static int
4760 0 : do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len)
4761 : {
4762 0 : int modes = 0, offset = 0, i, multi_present = 0, multi_len;
4763 0 : u8 vic_len, hdmi_3d_len = 0;
4764 : u16 mask;
4765 : u16 structure_all;
4766 :
4767 0 : if (len < 8)
4768 : goto out;
4769 :
4770 : /* no HDMI_Video_Present */
4771 0 : if (!(db[8] & (1 << 5)))
4772 : goto out;
4773 :
4774 0 : offset += hdmi_vsdb_latency_length(db);
4775 :
4776 : /* the declared length is not long enough for the 2 first bytes
4777 : * of additional video format capabilities */
4778 0 : if (len < (8 + offset + 2))
4779 : goto out;
4780 :
4781 : /* 3D_Present */
4782 0 : offset++;
4783 0 : if (db[8 + offset] & (1 << 7)) {
4784 0 : modes += add_hdmi_mandatory_stereo_modes(connector);
4785 :
4786 : /* 3D_Multi_present */
4787 0 : multi_present = (db[8 + offset] & 0x60) >> 5;
4788 : }
4789 :
4790 0 : offset++;
4791 0 : vic_len = db[8 + offset] >> 5;
4792 0 : hdmi_3d_len = db[8 + offset] & 0x1f;
4793 :
4794 0 : for (i = 0; i < vic_len && len >= (9 + offset + i); i++) {
4795 : u8 vic;
4796 :
4797 0 : vic = db[9 + offset + i];
4798 0 : modes += add_hdmi_mode(connector, vic);
4799 : }
4800 0 : offset += 1 + vic_len;
4801 :
4802 0 : if (multi_present == 1)
4803 : multi_len = 2;
4804 0 : else if (multi_present == 2)
4805 : multi_len = 4;
4806 : else
4807 0 : multi_len = 0;
4808 :
4809 0 : if (len < (8 + offset + hdmi_3d_len - 1))
4810 : goto out;
4811 :
4812 0 : if (hdmi_3d_len < multi_len)
4813 : goto out;
4814 :
4815 0 : if (multi_present == 1 || multi_present == 2) {
4816 : /* 3D_Structure_ALL */
4817 0 : structure_all = (db[8 + offset] << 8) | db[9 + offset];
4818 :
4819 : /* check if 3D_MASK is present */
4820 0 : if (multi_present == 2)
4821 0 : mask = (db[10 + offset] << 8) | db[11 + offset];
4822 : else
4823 : mask = 0xffff;
4824 :
4825 0 : for (i = 0; i < 16; i++) {
4826 0 : if (mask & (1 << i))
4827 0 : modes += add_3d_struct_modes(connector,
4828 : structure_all, i);
4829 : }
4830 : }
4831 :
4832 0 : offset += multi_len;
4833 :
4834 0 : for (i = 0; i < (hdmi_3d_len - multi_len); i++) {
4835 : int vic_index;
4836 0 : struct drm_display_mode *newmode = NULL;
4837 0 : unsigned int newflag = 0;
4838 : bool detail_present;
4839 :
4840 0 : detail_present = ((db[8 + offset + i] & 0x0f) > 7);
4841 :
4842 0 : if (detail_present && (i + 1 == hdmi_3d_len - multi_len))
4843 : break;
4844 :
4845 : /* 2D_VIC_order_X */
4846 0 : vic_index = db[8 + offset + i] >> 4;
4847 :
4848 : /* 3D_Structure_X */
4849 0 : switch (db[8 + offset + i] & 0x0f) {
4850 : case 0:
4851 0 : newflag = DRM_MODE_FLAG_3D_FRAME_PACKING;
4852 0 : break;
4853 : case 6:
4854 0 : newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
4855 0 : break;
4856 : case 8:
4857 : /* 3D_Detail_X */
4858 0 : if ((db[9 + offset + i] >> 4) == 1)
4859 0 : newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
4860 : break;
4861 : }
4862 :
4863 0 : if (newflag != 0) {
4864 0 : newmode = drm_display_mode_from_vic_index(connector,
4865 : vic_index);
4866 :
4867 0 : if (newmode) {
4868 0 : newmode->flags |= newflag;
4869 0 : drm_mode_probed_add(connector, newmode);
4870 0 : modes++;
4871 : }
4872 : }
4873 :
4874 0 : if (detail_present)
4875 0 : i++;
4876 : }
4877 :
4878 : out:
4879 0 : return modes;
4880 : }
4881 :
4882 : static int
4883 : cea_revision(const u8 *cea)
4884 : {
4885 : /*
4886 : * FIXME is this correct for the DispID variant?
4887 : * The DispID spec doesn't really specify whether
4888 : * this is the revision of the CEA extension or
4889 : * the DispID CEA data block. And the only value
4890 : * given as an example is 0.
4891 : */
4892 0 : return cea[1];
4893 : }
4894 :
4895 : /*
4896 : * CTA Data Block iterator.
4897 : *
4898 : * Iterate through all CTA Data Blocks in both EDID CTA Extensions and DisplayID
4899 : * CTA Data Blocks.
4900 : *
4901 : * struct cea_db *db:
4902 : * struct cea_db_iter iter;
4903 : *
4904 : * cea_db_iter_edid_begin(edid, &iter);
4905 : * cea_db_iter_for_each(db, &iter) {
4906 : * // do stuff with db
4907 : * }
4908 : * cea_db_iter_end(&iter);
4909 : */
4910 : struct cea_db_iter {
4911 : struct drm_edid_iter edid_iter;
4912 : struct displayid_iter displayid_iter;
4913 :
4914 : /* Current Data Block Collection. */
4915 : const u8 *collection;
4916 :
4917 : /* Current Data Block index in current collection. */
4918 : int index;
4919 :
4920 : /* End index in current collection. */
4921 : int end;
4922 : };
4923 :
4924 : /* CTA-861-H section 7.4 CTA Data BLock Collection */
4925 : struct cea_db {
4926 : u8 tag_length;
4927 : u8 data[];
4928 : } __packed;
4929 :
4930 : static int cea_db_tag(const struct cea_db *db)
4931 : {
4932 0 : return db->tag_length >> 5;
4933 : }
4934 :
4935 : static int cea_db_payload_len(const void *_db)
4936 : {
4937 : /* FIXME: Transition to passing struct cea_db * everywhere. */
4938 0 : const struct cea_db *db = _db;
4939 :
4940 0 : return db->tag_length & 0x1f;
4941 : }
4942 :
4943 : static const void *cea_db_data(const struct cea_db *db)
4944 : {
4945 0 : return db->data;
4946 : }
4947 :
4948 : static bool cea_db_is_extended_tag(const struct cea_db *db, int tag)
4949 : {
4950 0 : return cea_db_tag(db) == CTA_DB_EXTENDED_TAG &&
4951 0 : cea_db_payload_len(db) >= 1 &&
4952 0 : db->data[0] == tag;
4953 : }
4954 :
4955 : static bool cea_db_is_vendor(const struct cea_db *db, int vendor_oui)
4956 : {
4957 0 : const u8 *data = cea_db_data(db);
4958 :
4959 0 : return cea_db_tag(db) == CTA_DB_VENDOR &&
4960 0 : cea_db_payload_len(db) >= 3 &&
4961 0 : oui(data[2], data[1], data[0]) == vendor_oui;
4962 : }
4963 :
4964 0 : static void cea_db_iter_edid_begin(const struct drm_edid *drm_edid,
4965 : struct cea_db_iter *iter)
4966 : {
4967 0 : memset(iter, 0, sizeof(*iter));
4968 :
4969 0 : drm_edid_iter_begin(drm_edid, &iter->edid_iter);
4970 0 : displayid_iter_edid_begin(drm_edid, &iter->displayid_iter);
4971 0 : }
4972 :
4973 : static const struct cea_db *
4974 : __cea_db_iter_current_block(const struct cea_db_iter *iter)
4975 : {
4976 : const struct cea_db *db;
4977 :
4978 0 : if (!iter->collection)
4979 : return NULL;
4980 :
4981 0 : db = (const struct cea_db *)&iter->collection[iter->index];
4982 :
4983 0 : if (iter->index + sizeof(*db) <= iter->end &&
4984 0 : iter->index + sizeof(*db) + cea_db_payload_len(db) <= iter->end)
4985 : return db;
4986 :
4987 : return NULL;
4988 : }
4989 :
4990 : /*
4991 : * References:
4992 : * - CTA-861-H section 7.3.3 CTA Extension Version 3
4993 : */
4994 : static int cea_db_collection_size(const u8 *cta)
4995 : {
4996 0 : u8 d = cta[2];
4997 :
4998 0 : if (d < 4 || d > 127)
4999 : return 0;
5000 :
5001 0 : return d - 4;
5002 : }
5003 :
5004 : /*
5005 : * References:
5006 : * - VESA E-EDID v1.4
5007 : * - CTA-861-H section 7.3.3 CTA Extension Version 3
5008 : */
5009 0 : static const void *__cea_db_iter_edid_next(struct cea_db_iter *iter)
5010 : {
5011 : const u8 *ext;
5012 :
5013 0 : drm_edid_iter_for_each(ext, &iter->edid_iter) {
5014 : int size;
5015 :
5016 : /* Only support CTA Extension revision 3+ */
5017 0 : if (ext[0] != CEA_EXT || cea_revision(ext) < 3)
5018 0 : continue;
5019 :
5020 0 : size = cea_db_collection_size(ext);
5021 0 : if (!size)
5022 0 : continue;
5023 :
5024 0 : iter->index = 4;
5025 0 : iter->end = iter->index + size;
5026 :
5027 0 : return ext;
5028 : }
5029 :
5030 : return NULL;
5031 : }
5032 :
5033 : /*
5034 : * References:
5035 : * - DisplayID v1.3 Appendix C: CEA Data Block within a DisplayID Data Block
5036 : * - DisplayID v2.0 section 4.10 CTA DisplayID Data Block
5037 : *
5038 : * Note that the above do not specify any connection between DisplayID Data
5039 : * Block revision and CTA Extension versions.
5040 : */
5041 0 : static const void *__cea_db_iter_displayid_next(struct cea_db_iter *iter)
5042 : {
5043 : const struct displayid_block *block;
5044 :
5045 0 : displayid_iter_for_each(block, &iter->displayid_iter) {
5046 0 : if (block->tag != DATA_BLOCK_CTA)
5047 0 : continue;
5048 :
5049 : /*
5050 : * The displayid iterator has already verified the block bounds
5051 : * in displayid_iter_block().
5052 : */
5053 0 : iter->index = sizeof(*block);
5054 0 : iter->end = iter->index + block->num_bytes;
5055 :
5056 0 : return block;
5057 : }
5058 :
5059 : return NULL;
5060 : }
5061 :
5062 0 : static const struct cea_db *__cea_db_iter_next(struct cea_db_iter *iter)
5063 : {
5064 : const struct cea_db *db;
5065 :
5066 0 : if (iter->collection) {
5067 : /* Current collection should always be valid. */
5068 0 : db = __cea_db_iter_current_block(iter);
5069 0 : if (WARN_ON(!db)) {
5070 0 : iter->collection = NULL;
5071 0 : return NULL;
5072 : }
5073 :
5074 : /* Next block in CTA Data Block Collection */
5075 0 : iter->index += sizeof(*db) + cea_db_payload_len(db);
5076 :
5077 0 : db = __cea_db_iter_current_block(iter);
5078 0 : if (db)
5079 : return db;
5080 : }
5081 :
5082 : for (;;) {
5083 : /*
5084 : * Find the next CTA Data Block Collection. First iterate all
5085 : * the EDID CTA Extensions, then all the DisplayID CTA blocks.
5086 : *
5087 : * Per DisplayID v1.3 Appendix B: DisplayID as an EDID
5088 : * Extension, it's recommended that DisplayID extensions are
5089 : * exposed after all of the CTA Extensions.
5090 : */
5091 0 : iter->collection = __cea_db_iter_edid_next(iter);
5092 0 : if (!iter->collection)
5093 0 : iter->collection = __cea_db_iter_displayid_next(iter);
5094 :
5095 0 : if (!iter->collection)
5096 : return NULL;
5097 :
5098 0 : db = __cea_db_iter_current_block(iter);
5099 0 : if (db)
5100 : return db;
5101 : }
5102 : }
5103 :
5104 : #define cea_db_iter_for_each(__db, __iter) \
5105 : while (((__db) = __cea_db_iter_next(__iter)))
5106 :
5107 0 : static void cea_db_iter_end(struct cea_db_iter *iter)
5108 : {
5109 0 : displayid_iter_end(&iter->displayid_iter);
5110 0 : drm_edid_iter_end(&iter->edid_iter);
5111 :
5112 0 : memset(iter, 0, sizeof(*iter));
5113 0 : }
5114 :
5115 0 : static bool cea_db_is_hdmi_vsdb(const struct cea_db *db)
5116 : {
5117 0 : return cea_db_is_vendor(db, HDMI_IEEE_OUI) &&
5118 0 : cea_db_payload_len(db) >= 5;
5119 : }
5120 :
5121 0 : static bool cea_db_is_hdmi_forum_vsdb(const struct cea_db *db)
5122 : {
5123 0 : return cea_db_is_vendor(db, HDMI_FORUM_IEEE_OUI) &&
5124 0 : cea_db_payload_len(db) >= 7;
5125 : }
5126 :
5127 : static bool cea_db_is_hdmi_forum_eeodb(const void *db)
5128 : {
5129 0 : return cea_db_is_extended_tag(db, CTA_EXT_DB_HF_EEODB) &&
5130 0 : cea_db_payload_len(db) >= 2;
5131 : }
5132 :
5133 0 : static bool cea_db_is_microsoft_vsdb(const struct cea_db *db)
5134 : {
5135 0 : return cea_db_is_vendor(db, MICROSOFT_IEEE_OUI) &&
5136 0 : cea_db_payload_len(db) == 21;
5137 : }
5138 :
5139 : static bool cea_db_is_vcdb(const struct cea_db *db)
5140 : {
5141 0 : return cea_db_is_extended_tag(db, CTA_EXT_DB_VIDEO_CAP) &&
5142 0 : cea_db_payload_len(db) == 2;
5143 : }
5144 :
5145 : static bool cea_db_is_hdmi_forum_scdb(const struct cea_db *db)
5146 : {
5147 0 : return cea_db_is_extended_tag(db, CTA_EXT_DB_HF_SCDB) &&
5148 0 : cea_db_payload_len(db) >= 7;
5149 : }
5150 :
5151 : static bool cea_db_is_y420cmdb(const struct cea_db *db)
5152 : {
5153 0 : return cea_db_is_extended_tag(db, CTA_EXT_DB_420_VIDEO_CAP_MAP);
5154 : }
5155 :
5156 : static bool cea_db_is_y420vdb(const struct cea_db *db)
5157 : {
5158 0 : return cea_db_is_extended_tag(db, CTA_EXT_DB_420_VIDEO_DATA);
5159 : }
5160 :
5161 : static bool cea_db_is_hdmi_hdr_metadata_block(const struct cea_db *db)
5162 : {
5163 0 : return cea_db_is_extended_tag(db, CTA_EXT_DB_HDR_STATIC_METADATA) &&
5164 0 : cea_db_payload_len(db) >= 3;
5165 : }
5166 :
5167 : /*
5168 : * Get the HF-EEODB override extension block count from EDID.
5169 : *
5170 : * The passed in EDID may be partially read, as long as it has at least two
5171 : * blocks (base block and one extension block) if EDID extension count is > 0.
5172 : *
5173 : * Note that this is *not* how you should parse CTA Data Blocks in general; this
5174 : * is only to handle partially read EDIDs. Normally, use the CTA Data Block
5175 : * iterators instead.
5176 : *
5177 : * References:
5178 : * - HDMI 2.1 section 10.3.6 HDMI Forum EDID Extension Override Data Block
5179 : */
5180 0 : static int edid_hfeeodb_extension_block_count(const struct edid *edid)
5181 : {
5182 : const u8 *cta;
5183 :
5184 : /* No extensions according to base block, no HF-EEODB. */
5185 0 : if (!edid_extension_block_count(edid))
5186 : return 0;
5187 :
5188 : /* HF-EEODB is always in the first EDID extension block only */
5189 0 : cta = edid_extension_block_data(edid, 0);
5190 0 : if (edid_block_tag(cta) != CEA_EXT || cea_revision(cta) < 3)
5191 : return 0;
5192 :
5193 : /* Need to have the data block collection, and at least 3 bytes. */
5194 0 : if (cea_db_collection_size(cta) < 3)
5195 : return 0;
5196 :
5197 : /*
5198 : * Sinks that include the HF-EEODB in their E-EDID shall include one and
5199 : * only one instance of the HF-EEODB in the E-EDID, occupying bytes 4
5200 : * through 6 of Block 1 of the E-EDID.
5201 : */
5202 0 : if (!cea_db_is_hdmi_forum_eeodb(&cta[4]))
5203 : return 0;
5204 :
5205 0 : return cta[4 + 2];
5206 : }
5207 :
5208 : /*
5209 : * CTA-861 YCbCr 4:2:0 Capability Map Data Block (CTA Y420CMDB)
5210 : *
5211 : * Y420CMDB contains a bitmap which gives the index of CTA modes from CTA VDB,
5212 : * which can support YCBCR 420 sampling output also (apart from RGB/YCBCR444
5213 : * etc). For example, if the bit 0 in bitmap is set, first mode in VDB can
5214 : * support YCBCR420 output too.
5215 : */
5216 0 : static void parse_cta_y420cmdb(struct drm_connector *connector,
5217 : const struct cea_db *db, u64 *y420cmdb_map)
5218 : {
5219 0 : struct drm_display_info *info = &connector->display_info;
5220 0 : int i, map_len = cea_db_payload_len(db) - 1;
5221 0 : const u8 *data = cea_db_data(db) + 1;
5222 0 : u64 map = 0;
5223 :
5224 0 : if (map_len == 0) {
5225 : /* All CEA modes support ycbcr420 sampling also.*/
5226 : map = U64_MAX;
5227 : goto out;
5228 : }
5229 :
5230 : /*
5231 : * This map indicates which of the existing CEA block modes
5232 : * from VDB can support YCBCR420 output too. So if bit=0 is
5233 : * set, first mode from VDB can support YCBCR420 output too.
5234 : * We will parse and keep this map, before parsing VDB itself
5235 : * to avoid going through the same block again and again.
5236 : *
5237 : * Spec is not clear about max possible size of this block.
5238 : * Clamping max bitmap block size at 8 bytes. Every byte can
5239 : * address 8 CEA modes, in this way this map can address
5240 : * 8*8 = first 64 SVDs.
5241 : */
5242 0 : if (WARN_ON_ONCE(map_len > 8))
5243 0 : map_len = 8;
5244 :
5245 0 : for (i = 0; i < map_len; i++)
5246 0 : map |= (u64)data[i] << (8 * i);
5247 :
5248 : out:
5249 0 : if (map)
5250 0 : info->color_formats |= DRM_COLOR_FORMAT_YCBCR420;
5251 :
5252 0 : *y420cmdb_map = map;
5253 0 : }
5254 :
5255 0 : static int add_cea_modes(struct drm_connector *connector,
5256 : const struct drm_edid *drm_edid)
5257 : {
5258 : const struct cea_db *db;
5259 : struct cea_db_iter iter;
5260 : int modes;
5261 :
5262 : /* CTA VDB block VICs parsed earlier */
5263 0 : modes = add_cta_vdb_modes(connector);
5264 :
5265 0 : cea_db_iter_edid_begin(drm_edid, &iter);
5266 0 : cea_db_iter_for_each(db, &iter) {
5267 0 : if (cea_db_is_hdmi_vsdb(db)) {
5268 0 : modes += do_hdmi_vsdb_modes(connector, (const u8 *)db,
5269 0 : cea_db_payload_len(db));
5270 0 : } else if (cea_db_is_y420vdb(db)) {
5271 0 : const u8 *vdb420 = cea_db_data(db) + 1;
5272 :
5273 : /* Add 4:2:0(only) modes present in EDID */
5274 0 : modes += do_y420vdb_modes(connector, vdb420,
5275 0 : cea_db_payload_len(db) - 1);
5276 : }
5277 : }
5278 0 : cea_db_iter_end(&iter);
5279 :
5280 0 : return modes;
5281 : }
5282 :
5283 0 : static void fixup_detailed_cea_mode_clock(struct drm_connector *connector,
5284 : struct drm_display_mode *mode)
5285 : {
5286 : const struct drm_display_mode *cea_mode;
5287 : int clock1, clock2, clock;
5288 : u8 vic;
5289 : const char *type;
5290 :
5291 : /*
5292 : * allow 5kHz clock difference either way to account for
5293 : * the 10kHz clock resolution limit of detailed timings.
5294 : */
5295 0 : vic = drm_match_cea_mode_clock_tolerance(mode, 5);
5296 0 : if (drm_valid_cea_vic(vic)) {
5297 0 : type = "CEA";
5298 0 : cea_mode = cea_mode_for_vic(vic);
5299 0 : clock1 = cea_mode->clock;
5300 0 : clock2 = cea_mode_alternate_clock(cea_mode);
5301 : } else {
5302 0 : vic = drm_match_hdmi_mode_clock_tolerance(mode, 5);
5303 0 : if (drm_valid_hdmi_vic(vic)) {
5304 0 : type = "HDMI";
5305 0 : cea_mode = &edid_4k_modes[vic];
5306 0 : clock1 = cea_mode->clock;
5307 0 : clock2 = hdmi_mode_alternate_clock(cea_mode);
5308 : } else {
5309 : return;
5310 : }
5311 : }
5312 :
5313 : /* pick whichever is closest */
5314 0 : if (abs(mode->clock - clock1) < abs(mode->clock - clock2))
5315 : clock = clock1;
5316 : else
5317 0 : clock = clock2;
5318 :
5319 0 : if (mode->clock == clock)
5320 : return;
5321 :
5322 0 : drm_dbg_kms(connector->dev,
5323 : "[CONNECTOR:%d:%s] detailed mode matches %s VIC %d, adjusting clock %d -> %d\n",
5324 : connector->base.id, connector->name,
5325 : type, vic, mode->clock, clock);
5326 0 : mode->clock = clock;
5327 : }
5328 :
5329 : static void drm_calculate_luminance_range(struct drm_connector *connector)
5330 : {
5331 0 : struct hdr_static_metadata *hdr_metadata = &connector->hdr_sink_metadata.hdmi_type1;
5332 0 : struct drm_luminance_range_info *luminance_range =
5333 : &connector->display_info.luminance_range;
5334 : static const u8 pre_computed_values[] = {
5335 : 50, 51, 52, 53, 55, 56, 57, 58, 59, 61, 62, 63, 65, 66, 68, 69,
5336 : 71, 72, 74, 75, 77, 79, 81, 82, 84, 86, 88, 90, 92, 94, 96, 98
5337 : };
5338 : u32 max_avg, min_cll, max, min, q, r;
5339 :
5340 0 : if (!(hdr_metadata->metadata_type & BIT(HDMI_STATIC_METADATA_TYPE1)))
5341 : return;
5342 :
5343 0 : max_avg = hdr_metadata->max_fall;
5344 0 : min_cll = hdr_metadata->min_cll;
5345 :
5346 : /*
5347 : * From the specification (CTA-861-G), for calculating the maximum
5348 : * luminance we need to use:
5349 : * Luminance = 50*2**(CV/32)
5350 : * Where CV is a one-byte value.
5351 : * For calculating this expression we may need float point precision;
5352 : * to avoid this complexity level, we take advantage that CV is divided
5353 : * by a constant. From the Euclids division algorithm, we know that CV
5354 : * can be written as: CV = 32*q + r. Next, we replace CV in the
5355 : * Luminance expression and get 50*(2**q)*(2**(r/32)), hence we just
5356 : * need to pre-compute the value of r/32. For pre-computing the values
5357 : * We just used the following Ruby line:
5358 : * (0...32).each {|cv| puts (50*2**(cv/32.0)).round}
5359 : * The results of the above expressions can be verified at
5360 : * pre_computed_values.
5361 : */
5362 0 : q = max_avg >> 5;
5363 0 : r = max_avg % 32;
5364 0 : max = (1 << q) * pre_computed_values[r];
5365 :
5366 : /* min luminance: maxLum * (CV/255)^2 / 100 */
5367 0 : q = DIV_ROUND_CLOSEST(min_cll, 255);
5368 0 : min = max * DIV_ROUND_CLOSEST((q * q), 100);
5369 :
5370 0 : luminance_range->min_luminance = min;
5371 0 : luminance_range->max_luminance = max;
5372 : }
5373 :
5374 : static uint8_t eotf_supported(const u8 *edid_ext)
5375 : {
5376 0 : return edid_ext[2] &
5377 : (BIT(HDMI_EOTF_TRADITIONAL_GAMMA_SDR) |
5378 : BIT(HDMI_EOTF_TRADITIONAL_GAMMA_HDR) |
5379 : BIT(HDMI_EOTF_SMPTE_ST2084) |
5380 : BIT(HDMI_EOTF_BT_2100_HLG));
5381 : }
5382 :
5383 : static uint8_t hdr_metadata_type(const u8 *edid_ext)
5384 : {
5385 0 : return edid_ext[3] &
5386 : BIT(HDMI_STATIC_METADATA_TYPE1);
5387 : }
5388 :
5389 : static void
5390 0 : drm_parse_hdr_metadata_block(struct drm_connector *connector, const u8 *db)
5391 : {
5392 : u16 len;
5393 :
5394 0 : len = cea_db_payload_len(db);
5395 :
5396 0 : connector->hdr_sink_metadata.hdmi_type1.eotf =
5397 0 : eotf_supported(db);
5398 0 : connector->hdr_sink_metadata.hdmi_type1.metadata_type =
5399 0 : hdr_metadata_type(db);
5400 :
5401 0 : if (len >= 4)
5402 0 : connector->hdr_sink_metadata.hdmi_type1.max_cll = db[4];
5403 0 : if (len >= 5)
5404 0 : connector->hdr_sink_metadata.hdmi_type1.max_fall = db[5];
5405 0 : if (len >= 6) {
5406 0 : connector->hdr_sink_metadata.hdmi_type1.min_cll = db[6];
5407 :
5408 : /* Calculate only when all values are available */
5409 : drm_calculate_luminance_range(connector);
5410 : }
5411 0 : }
5412 :
5413 : /* HDMI Vendor-Specific Data Block (HDMI VSDB, H14b-VSDB) */
5414 : static void
5415 0 : drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db)
5416 : {
5417 0 : u8 len = cea_db_payload_len(db);
5418 :
5419 0 : if (len >= 6 && (db[6] & (1 << 7)))
5420 0 : connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI;
5421 :
5422 0 : if (len >= 10 && hdmi_vsdb_latency_present(db)) {
5423 0 : connector->latency_present[0] = true;
5424 0 : connector->video_latency[0] = db[9];
5425 0 : connector->audio_latency[0] = db[10];
5426 : }
5427 :
5428 0 : if (len >= 12 && hdmi_vsdb_i_latency_present(db)) {
5429 0 : connector->latency_present[1] = true;
5430 0 : connector->video_latency[1] = db[11];
5431 0 : connector->audio_latency[1] = db[12];
5432 : }
5433 :
5434 0 : drm_dbg_kms(connector->dev,
5435 : "[CONNECTOR:%d:%s] HDMI: latency present %d %d, video latency %d %d, audio latency %d %d\n",
5436 : connector->base.id, connector->name,
5437 : connector->latency_present[0], connector->latency_present[1],
5438 : connector->video_latency[0], connector->video_latency[1],
5439 : connector->audio_latency[0], connector->audio_latency[1]);
5440 0 : }
5441 :
5442 : static void
5443 0 : monitor_name(const struct detailed_timing *timing, void *data)
5444 : {
5445 0 : const char **res = data;
5446 :
5447 0 : if (!is_display_descriptor(timing, EDID_DETAIL_MONITOR_NAME))
5448 : return;
5449 :
5450 0 : *res = timing->data.other_data.data.str.str;
5451 : }
5452 :
5453 0 : static int get_monitor_name(const struct drm_edid *drm_edid, char name[13])
5454 : {
5455 0 : const char *edid_name = NULL;
5456 : int mnl;
5457 :
5458 0 : if (!drm_edid || !name)
5459 : return 0;
5460 :
5461 0 : drm_for_each_detailed_block(drm_edid, monitor_name, &edid_name);
5462 0 : for (mnl = 0; edid_name && mnl < 13; mnl++) {
5463 0 : if (edid_name[mnl] == 0x0a)
5464 : break;
5465 :
5466 0 : name[mnl] = edid_name[mnl];
5467 : }
5468 :
5469 : return mnl;
5470 : }
5471 :
5472 : /**
5473 : * drm_edid_get_monitor_name - fetch the monitor name from the edid
5474 : * @edid: monitor EDID information
5475 : * @name: pointer to a character array to hold the name of the monitor
5476 : * @bufsize: The size of the name buffer (should be at least 14 chars.)
5477 : *
5478 : */
5479 0 : void drm_edid_get_monitor_name(const struct edid *edid, char *name, int bufsize)
5480 : {
5481 0 : int name_length = 0;
5482 :
5483 0 : if (bufsize <= 0)
5484 : return;
5485 :
5486 0 : if (edid) {
5487 : char buf[13];
5488 0 : struct drm_edid drm_edid = {
5489 : .edid = edid,
5490 0 : .size = edid_size(edid),
5491 : };
5492 :
5493 0 : name_length = min(get_monitor_name(&drm_edid, buf), bufsize - 1);
5494 0 : memcpy(name, buf, name_length);
5495 : }
5496 :
5497 0 : name[name_length] = '\0';
5498 : }
5499 : EXPORT_SYMBOL(drm_edid_get_monitor_name);
5500 :
5501 : static void clear_eld(struct drm_connector *connector)
5502 : {
5503 0 : memset(connector->eld, 0, sizeof(connector->eld));
5504 :
5505 0 : connector->latency_present[0] = false;
5506 0 : connector->latency_present[1] = false;
5507 0 : connector->video_latency[0] = 0;
5508 0 : connector->audio_latency[0] = 0;
5509 0 : connector->video_latency[1] = 0;
5510 0 : connector->audio_latency[1] = 0;
5511 : }
5512 :
5513 : /*
5514 : * drm_edid_to_eld - build ELD from EDID
5515 : * @connector: connector corresponding to the HDMI/DP sink
5516 : * @drm_edid: EDID to parse
5517 : *
5518 : * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
5519 : * HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
5520 : */
5521 0 : static void drm_edid_to_eld(struct drm_connector *connector,
5522 : const struct drm_edid *drm_edid)
5523 : {
5524 0 : const struct drm_display_info *info = &connector->display_info;
5525 : const struct cea_db *db;
5526 : struct cea_db_iter iter;
5527 0 : uint8_t *eld = connector->eld;
5528 0 : int total_sad_count = 0;
5529 : int mnl;
5530 :
5531 0 : if (!drm_edid)
5532 0 : return;
5533 :
5534 0 : mnl = get_monitor_name(drm_edid, &eld[DRM_ELD_MONITOR_NAME_STRING]);
5535 0 : drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] ELD monitor %s\n",
5536 : connector->base.id, connector->name,
5537 : &eld[DRM_ELD_MONITOR_NAME_STRING]);
5538 :
5539 0 : eld[DRM_ELD_CEA_EDID_VER_MNL] = info->cea_rev << DRM_ELD_CEA_EDID_VER_SHIFT;
5540 0 : eld[DRM_ELD_CEA_EDID_VER_MNL] |= mnl;
5541 :
5542 0 : eld[DRM_ELD_VER] = DRM_ELD_VER_CEA861D;
5543 :
5544 0 : eld[DRM_ELD_MANUFACTURER_NAME0] = drm_edid->edid->mfg_id[0];
5545 0 : eld[DRM_ELD_MANUFACTURER_NAME1] = drm_edid->edid->mfg_id[1];
5546 0 : eld[DRM_ELD_PRODUCT_CODE0] = drm_edid->edid->prod_code[0];
5547 0 : eld[DRM_ELD_PRODUCT_CODE1] = drm_edid->edid->prod_code[1];
5548 :
5549 0 : cea_db_iter_edid_begin(drm_edid, &iter);
5550 0 : cea_db_iter_for_each(db, &iter) {
5551 0 : const u8 *data = cea_db_data(db);
5552 0 : int len = cea_db_payload_len(db);
5553 : int sad_count;
5554 :
5555 0 : switch (cea_db_tag(db)) {
5556 : case CTA_DB_AUDIO:
5557 : /* Audio Data Block, contains SADs */
5558 0 : sad_count = min(len / 3, 15 - total_sad_count);
5559 0 : if (sad_count >= 1)
5560 0 : memcpy(&eld[DRM_ELD_CEA_SAD(mnl, total_sad_count)],
5561 0 : data, sad_count * 3);
5562 0 : total_sad_count += sad_count;
5563 0 : break;
5564 : case CTA_DB_SPEAKER:
5565 : /* Speaker Allocation Data Block */
5566 0 : if (len >= 1)
5567 0 : eld[DRM_ELD_SPEAKER] = data[0];
5568 : break;
5569 : case CTA_DB_VENDOR:
5570 : /* HDMI Vendor-Specific Data Block */
5571 0 : if (cea_db_is_hdmi_vsdb(db))
5572 0 : drm_parse_hdmi_vsdb_audio(connector, (const u8 *)db);
5573 : break;
5574 : default:
5575 : break;
5576 : }
5577 : }
5578 0 : cea_db_iter_end(&iter);
5579 :
5580 0 : eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= total_sad_count << DRM_ELD_SAD_COUNT_SHIFT;
5581 :
5582 0 : if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
5583 : connector->connector_type == DRM_MODE_CONNECTOR_eDP)
5584 0 : eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_DP;
5585 : else
5586 : eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_HDMI;
5587 :
5588 0 : eld[DRM_ELD_BASELINE_ELD_LEN] =
5589 0 : DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4);
5590 :
5591 0 : drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] ELD size %d, SAD count %d\n",
5592 : connector->base.id, connector->name,
5593 : drm_eld_size(eld), total_sad_count);
5594 : }
5595 :
5596 0 : static int _drm_edid_to_sad(const struct drm_edid *drm_edid,
5597 : struct cea_sad **sads)
5598 : {
5599 : const struct cea_db *db;
5600 : struct cea_db_iter iter;
5601 0 : int count = 0;
5602 :
5603 0 : cea_db_iter_edid_begin(drm_edid, &iter);
5604 0 : cea_db_iter_for_each(db, &iter) {
5605 0 : if (cea_db_tag(db) == CTA_DB_AUDIO) {
5606 : int j;
5607 :
5608 0 : count = cea_db_payload_len(db) / 3; /* SAD is 3B */
5609 0 : *sads = kcalloc(count, sizeof(**sads), GFP_KERNEL);
5610 0 : if (!*sads)
5611 : return -ENOMEM;
5612 0 : for (j = 0; j < count; j++) {
5613 0 : const u8 *sad = &db->data[j * 3];
5614 :
5615 0 : (*sads)[j].format = (sad[0] & 0x78) >> 3;
5616 0 : (*sads)[j].channels = sad[0] & 0x7;
5617 0 : (*sads)[j].freq = sad[1] & 0x7F;
5618 0 : (*sads)[j].byte2 = sad[2];
5619 : }
5620 : break;
5621 : }
5622 : }
5623 0 : cea_db_iter_end(&iter);
5624 :
5625 0 : DRM_DEBUG_KMS("Found %d Short Audio Descriptors\n", count);
5626 :
5627 0 : return count;
5628 : }
5629 :
5630 : /**
5631 : * drm_edid_to_sad - extracts SADs from EDID
5632 : * @edid: EDID to parse
5633 : * @sads: pointer that will be set to the extracted SADs
5634 : *
5635 : * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it.
5636 : *
5637 : * Note: The returned pointer needs to be freed using kfree().
5638 : *
5639 : * Return: The number of found SADs or negative number on error.
5640 : */
5641 0 : int drm_edid_to_sad(const struct edid *edid, struct cea_sad **sads)
5642 : {
5643 : struct drm_edid drm_edid;
5644 :
5645 0 : return _drm_edid_to_sad(drm_edid_legacy_init(&drm_edid, edid), sads);
5646 : }
5647 : EXPORT_SYMBOL(drm_edid_to_sad);
5648 :
5649 0 : static int _drm_edid_to_speaker_allocation(const struct drm_edid *drm_edid,
5650 : u8 **sadb)
5651 : {
5652 : const struct cea_db *db;
5653 : struct cea_db_iter iter;
5654 0 : int count = 0;
5655 :
5656 0 : cea_db_iter_edid_begin(drm_edid, &iter);
5657 0 : cea_db_iter_for_each(db, &iter) {
5658 0 : if (cea_db_tag(db) == CTA_DB_SPEAKER &&
5659 0 : cea_db_payload_len(db) == 3) {
5660 0 : *sadb = kmemdup(db->data, cea_db_payload_len(db),
5661 : GFP_KERNEL);
5662 0 : if (!*sadb)
5663 : return -ENOMEM;
5664 0 : count = cea_db_payload_len(db);
5665 0 : break;
5666 : }
5667 : }
5668 0 : cea_db_iter_end(&iter);
5669 :
5670 0 : DRM_DEBUG_KMS("Found %d Speaker Allocation Data Blocks\n", count);
5671 :
5672 0 : return count;
5673 : }
5674 :
5675 : /**
5676 : * drm_edid_to_speaker_allocation - extracts Speaker Allocation Data Blocks from EDID
5677 : * @edid: EDID to parse
5678 : * @sadb: pointer to the speaker block
5679 : *
5680 : * Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it.
5681 : *
5682 : * Note: The returned pointer needs to be freed using kfree().
5683 : *
5684 : * Return: The number of found Speaker Allocation Blocks or negative number on
5685 : * error.
5686 : */
5687 0 : int drm_edid_to_speaker_allocation(const struct edid *edid, u8 **sadb)
5688 : {
5689 : struct drm_edid drm_edid;
5690 :
5691 0 : return _drm_edid_to_speaker_allocation(drm_edid_legacy_init(&drm_edid, edid),
5692 : sadb);
5693 : }
5694 : EXPORT_SYMBOL(drm_edid_to_speaker_allocation);
5695 :
5696 : /**
5697 : * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay
5698 : * @connector: connector associated with the HDMI/DP sink
5699 : * @mode: the display mode
5700 : *
5701 : * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if
5702 : * the sink doesn't support audio or video.
5703 : */
5704 0 : int drm_av_sync_delay(struct drm_connector *connector,
5705 : const struct drm_display_mode *mode)
5706 : {
5707 0 : int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
5708 : int a, v;
5709 :
5710 0 : if (!connector->latency_present[0])
5711 : return 0;
5712 0 : if (!connector->latency_present[1])
5713 0 : i = 0;
5714 :
5715 0 : a = connector->audio_latency[i];
5716 0 : v = connector->video_latency[i];
5717 :
5718 : /*
5719 : * HDMI/DP sink doesn't support audio or video?
5720 : */
5721 0 : if (a == 255 || v == 255)
5722 : return 0;
5723 :
5724 : /*
5725 : * Convert raw EDID values to millisecond.
5726 : * Treat unknown latency as 0ms.
5727 : */
5728 0 : if (a)
5729 0 : a = min(2 * (a - 1), 500);
5730 0 : if (v)
5731 0 : v = min(2 * (v - 1), 500);
5732 :
5733 0 : return max(v - a, 0);
5734 : }
5735 : EXPORT_SYMBOL(drm_av_sync_delay);
5736 :
5737 0 : static bool _drm_detect_hdmi_monitor(const struct drm_edid *drm_edid)
5738 : {
5739 : const struct cea_db *db;
5740 : struct cea_db_iter iter;
5741 0 : bool hdmi = false;
5742 :
5743 : /*
5744 : * Because HDMI identifier is in Vendor Specific Block,
5745 : * search it from all data blocks of CEA extension.
5746 : */
5747 0 : cea_db_iter_edid_begin(drm_edid, &iter);
5748 0 : cea_db_iter_for_each(db, &iter) {
5749 0 : if (cea_db_is_hdmi_vsdb(db)) {
5750 : hdmi = true;
5751 : break;
5752 : }
5753 : }
5754 0 : cea_db_iter_end(&iter);
5755 :
5756 0 : return hdmi;
5757 : }
5758 :
5759 : /**
5760 : * drm_detect_hdmi_monitor - detect whether monitor is HDMI
5761 : * @edid: monitor EDID information
5762 : *
5763 : * Parse the CEA extension according to CEA-861-B.
5764 : *
5765 : * Drivers that have added the modes parsed from EDID to drm_display_info
5766 : * should use &drm_display_info.is_hdmi instead of calling this function.
5767 : *
5768 : * Return: True if the monitor is HDMI, false if not or unknown.
5769 : */
5770 0 : bool drm_detect_hdmi_monitor(const struct edid *edid)
5771 : {
5772 : struct drm_edid drm_edid;
5773 :
5774 0 : return _drm_detect_hdmi_monitor(drm_edid_legacy_init(&drm_edid, edid));
5775 : }
5776 : EXPORT_SYMBOL(drm_detect_hdmi_monitor);
5777 :
5778 0 : static bool _drm_detect_monitor_audio(const struct drm_edid *drm_edid)
5779 : {
5780 : struct drm_edid_iter edid_iter;
5781 : const struct cea_db *db;
5782 : struct cea_db_iter iter;
5783 : const u8 *edid_ext;
5784 0 : bool has_audio = false;
5785 :
5786 : drm_edid_iter_begin(drm_edid, &edid_iter);
5787 0 : drm_edid_iter_for_each(edid_ext, &edid_iter) {
5788 0 : if (edid_ext[0] == CEA_EXT) {
5789 0 : has_audio = edid_ext[3] & EDID_BASIC_AUDIO;
5790 0 : if (has_audio)
5791 : break;
5792 : }
5793 : }
5794 0 : drm_edid_iter_end(&edid_iter);
5795 :
5796 0 : if (has_audio) {
5797 0 : DRM_DEBUG_KMS("Monitor has basic audio support\n");
5798 0 : goto end;
5799 : }
5800 :
5801 0 : cea_db_iter_edid_begin(drm_edid, &iter);
5802 0 : cea_db_iter_for_each(db, &iter) {
5803 0 : if (cea_db_tag(db) == CTA_DB_AUDIO) {
5804 0 : const u8 *data = cea_db_data(db);
5805 : int i;
5806 :
5807 0 : for (i = 0; i < cea_db_payload_len(db); i += 3)
5808 0 : DRM_DEBUG_KMS("CEA audio format %d\n",
5809 : (data[i] >> 3) & 0xf);
5810 : has_audio = true;
5811 : break;
5812 : }
5813 : }
5814 0 : cea_db_iter_end(&iter);
5815 :
5816 : end:
5817 0 : return has_audio;
5818 : }
5819 :
5820 : /**
5821 : * drm_detect_monitor_audio - check monitor audio capability
5822 : * @edid: EDID block to scan
5823 : *
5824 : * Monitor should have CEA extension block.
5825 : * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic
5826 : * audio' only. If there is any audio extension block and supported
5827 : * audio format, assume at least 'basic audio' support, even if 'basic
5828 : * audio' is not defined in EDID.
5829 : *
5830 : * Return: True if the monitor supports audio, false otherwise.
5831 : */
5832 0 : bool drm_detect_monitor_audio(const struct edid *edid)
5833 : {
5834 : struct drm_edid drm_edid;
5835 :
5836 0 : return _drm_detect_monitor_audio(drm_edid_legacy_init(&drm_edid, edid));
5837 : }
5838 : EXPORT_SYMBOL(drm_detect_monitor_audio);
5839 :
5840 :
5841 : /**
5842 : * drm_default_rgb_quant_range - default RGB quantization range
5843 : * @mode: display mode
5844 : *
5845 : * Determine the default RGB quantization range for the mode,
5846 : * as specified in CEA-861.
5847 : *
5848 : * Return: The default RGB quantization range for the mode
5849 : */
5850 : enum hdmi_quantization_range
5851 0 : drm_default_rgb_quant_range(const struct drm_display_mode *mode)
5852 : {
5853 : /* All CEA modes other than VIC 1 use limited quantization range. */
5854 0 : return drm_match_cea_mode(mode) > 1 ?
5855 0 : HDMI_QUANTIZATION_RANGE_LIMITED :
5856 : HDMI_QUANTIZATION_RANGE_FULL;
5857 : }
5858 : EXPORT_SYMBOL(drm_default_rgb_quant_range);
5859 :
5860 : /* CTA-861 Video Data Block (CTA VDB) */
5861 0 : static void parse_cta_vdb(struct drm_connector *connector, const struct cea_db *db)
5862 : {
5863 0 : struct drm_display_info *info = &connector->display_info;
5864 0 : int i, vic_index, len = cea_db_payload_len(db);
5865 0 : const u8 *svds = cea_db_data(db);
5866 : u8 *vics;
5867 :
5868 0 : if (!len)
5869 : return;
5870 :
5871 : /* Gracefully handle multiple VDBs, however unlikely that is */
5872 0 : vics = krealloc(info->vics, info->vics_len + len, GFP_KERNEL);
5873 0 : if (!vics)
5874 : return;
5875 :
5876 0 : vic_index = info->vics_len;
5877 0 : info->vics_len += len;
5878 0 : info->vics = vics;
5879 :
5880 0 : for (i = 0; i < len; i++) {
5881 0 : u8 vic = svd_to_vic(svds[i]);
5882 :
5883 0 : if (!drm_valid_cea_vic(vic))
5884 0 : vic = 0;
5885 :
5886 0 : info->vics[vic_index++] = vic;
5887 : }
5888 : }
5889 :
5890 : /*
5891 : * Update y420_cmdb_modes based on previously parsed CTA VDB and Y420CMDB.
5892 : *
5893 : * Translate the y420cmdb_map based on VIC indexes to y420_cmdb_modes indexed
5894 : * using the VICs themselves.
5895 : */
5896 0 : static void update_cta_y420cmdb(struct drm_connector *connector, u64 y420cmdb_map)
5897 : {
5898 0 : struct drm_display_info *info = &connector->display_info;
5899 0 : struct drm_hdmi_info *hdmi = &info->hdmi;
5900 0 : int i, len = min_t(int, info->vics_len, BITS_PER_TYPE(y420cmdb_map));
5901 :
5902 0 : for (i = 0; i < len; i++) {
5903 0 : u8 vic = info->vics[i];
5904 :
5905 0 : if (vic && y420cmdb_map & BIT_ULL(i))
5906 0 : bitmap_set(hdmi->y420_cmdb_modes, vic, 1);
5907 : }
5908 0 : }
5909 :
5910 : static bool cta_vdb_has_vic(const struct drm_connector *connector, u8 vic)
5911 : {
5912 0 : const struct drm_display_info *info = &connector->display_info;
5913 : int i;
5914 :
5915 0 : if (!vic || !info->vics)
5916 : return false;
5917 :
5918 0 : for (i = 0; i < info->vics_len; i++) {
5919 0 : if (info->vics[i] == vic)
5920 : return true;
5921 : }
5922 :
5923 : return false;
5924 : }
5925 :
5926 : /* CTA-861-H YCbCr 4:2:0 Video Data Block (CTA Y420VDB) */
5927 0 : static void parse_cta_y420vdb(struct drm_connector *connector,
5928 : const struct cea_db *db)
5929 : {
5930 0 : struct drm_display_info *info = &connector->display_info;
5931 0 : struct drm_hdmi_info *hdmi = &info->hdmi;
5932 0 : const u8 *svds = cea_db_data(db) + 1;
5933 : int i;
5934 :
5935 0 : for (i = 0; i < cea_db_payload_len(db) - 1; i++) {
5936 0 : u8 vic = svd_to_vic(svds[i]);
5937 :
5938 0 : if (!drm_valid_cea_vic(vic))
5939 0 : continue;
5940 :
5941 0 : bitmap_set(hdmi->y420_vdb_modes, vic, 1);
5942 0 : info->color_formats |= DRM_COLOR_FORMAT_YCBCR420;
5943 : }
5944 0 : }
5945 :
5946 0 : static void drm_parse_vcdb(struct drm_connector *connector, const u8 *db)
5947 : {
5948 0 : struct drm_display_info *info = &connector->display_info;
5949 :
5950 0 : drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] CEA VCDB 0x%02x\n",
5951 : connector->base.id, connector->name, db[2]);
5952 :
5953 0 : if (db[2] & EDID_CEA_VCDB_QS)
5954 0 : info->rgb_quant_range_selectable = true;
5955 0 : }
5956 :
5957 : static
5958 0 : void drm_get_max_frl_rate(int max_frl_rate, u8 *max_lanes, u8 *max_rate_per_lane)
5959 : {
5960 0 : switch (max_frl_rate) {
5961 : case 1:
5962 0 : *max_lanes = 3;
5963 0 : *max_rate_per_lane = 3;
5964 0 : break;
5965 : case 2:
5966 0 : *max_lanes = 3;
5967 0 : *max_rate_per_lane = 6;
5968 0 : break;
5969 : case 3:
5970 0 : *max_lanes = 4;
5971 0 : *max_rate_per_lane = 6;
5972 0 : break;
5973 : case 4:
5974 0 : *max_lanes = 4;
5975 0 : *max_rate_per_lane = 8;
5976 0 : break;
5977 : case 5:
5978 0 : *max_lanes = 4;
5979 0 : *max_rate_per_lane = 10;
5980 0 : break;
5981 : case 6:
5982 0 : *max_lanes = 4;
5983 0 : *max_rate_per_lane = 12;
5984 0 : break;
5985 : case 0:
5986 : default:
5987 0 : *max_lanes = 0;
5988 0 : *max_rate_per_lane = 0;
5989 : }
5990 0 : }
5991 :
5992 : static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector,
5993 : const u8 *db)
5994 : {
5995 : u8 dc_mask;
5996 0 : struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
5997 :
5998 0 : dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK;
5999 0 : hdmi->y420_dc_modes = dc_mask;
6000 : }
6001 :
6002 0 : static void drm_parse_dsc_info(struct drm_hdmi_dsc_cap *hdmi_dsc,
6003 : const u8 *hf_scds)
6004 : {
6005 0 : hdmi_dsc->v_1p2 = hf_scds[11] & DRM_EDID_DSC_1P2;
6006 :
6007 0 : if (!hdmi_dsc->v_1p2)
6008 : return;
6009 :
6010 0 : hdmi_dsc->native_420 = hf_scds[11] & DRM_EDID_DSC_NATIVE_420;
6011 0 : hdmi_dsc->all_bpp = hf_scds[11] & DRM_EDID_DSC_ALL_BPP;
6012 :
6013 0 : if (hf_scds[11] & DRM_EDID_DSC_16BPC)
6014 0 : hdmi_dsc->bpc_supported = 16;
6015 0 : else if (hf_scds[11] & DRM_EDID_DSC_12BPC)
6016 0 : hdmi_dsc->bpc_supported = 12;
6017 0 : else if (hf_scds[11] & DRM_EDID_DSC_10BPC)
6018 0 : hdmi_dsc->bpc_supported = 10;
6019 : else
6020 : /* Supports min 8 BPC if DSC 1.2 is supported*/
6021 0 : hdmi_dsc->bpc_supported = 8;
6022 :
6023 0 : if (cea_db_payload_len(hf_scds) >= 12 && hf_scds[12]) {
6024 : u8 dsc_max_slices;
6025 : u8 dsc_max_frl_rate;
6026 :
6027 0 : dsc_max_frl_rate = (hf_scds[12] & DRM_EDID_DSC_MAX_FRL_RATE_MASK) >> 4;
6028 0 : drm_get_max_frl_rate(dsc_max_frl_rate, &hdmi_dsc->max_lanes,
6029 : &hdmi_dsc->max_frl_rate_per_lane);
6030 :
6031 0 : dsc_max_slices = hf_scds[12] & DRM_EDID_DSC_MAX_SLICES;
6032 :
6033 0 : switch (dsc_max_slices) {
6034 : case 1:
6035 0 : hdmi_dsc->max_slices = 1;
6036 0 : hdmi_dsc->clk_per_slice = 340;
6037 0 : break;
6038 : case 2:
6039 0 : hdmi_dsc->max_slices = 2;
6040 0 : hdmi_dsc->clk_per_slice = 340;
6041 0 : break;
6042 : case 3:
6043 0 : hdmi_dsc->max_slices = 4;
6044 0 : hdmi_dsc->clk_per_slice = 340;
6045 0 : break;
6046 : case 4:
6047 0 : hdmi_dsc->max_slices = 8;
6048 0 : hdmi_dsc->clk_per_slice = 340;
6049 0 : break;
6050 : case 5:
6051 0 : hdmi_dsc->max_slices = 8;
6052 0 : hdmi_dsc->clk_per_slice = 400;
6053 0 : break;
6054 : case 6:
6055 0 : hdmi_dsc->max_slices = 12;
6056 0 : hdmi_dsc->clk_per_slice = 400;
6057 0 : break;
6058 : case 7:
6059 0 : hdmi_dsc->max_slices = 16;
6060 0 : hdmi_dsc->clk_per_slice = 400;
6061 0 : break;
6062 : case 0:
6063 : default:
6064 0 : hdmi_dsc->max_slices = 0;
6065 0 : hdmi_dsc->clk_per_slice = 0;
6066 : }
6067 : }
6068 :
6069 0 : if (cea_db_payload_len(hf_scds) >= 13 && hf_scds[13])
6070 0 : hdmi_dsc->total_chunk_kbytes = hf_scds[13] & DRM_EDID_DSC_TOTAL_CHUNK_KBYTES;
6071 : }
6072 :
6073 : /* Sink Capability Data Structure */
6074 0 : static void drm_parse_hdmi_forum_scds(struct drm_connector *connector,
6075 : const u8 *hf_scds)
6076 : {
6077 0 : struct drm_display_info *info = &connector->display_info;
6078 0 : struct drm_hdmi_info *hdmi = &info->hdmi;
6079 0 : struct drm_hdmi_dsc_cap *hdmi_dsc = &hdmi->dsc_cap;
6080 0 : int max_tmds_clock = 0;
6081 0 : u8 max_frl_rate = 0;
6082 0 : bool dsc_support = false;
6083 :
6084 0 : info->has_hdmi_infoframe = true;
6085 :
6086 0 : if (hf_scds[6] & 0x80) {
6087 0 : hdmi->scdc.supported = true;
6088 0 : if (hf_scds[6] & 0x40)
6089 0 : hdmi->scdc.read_request = true;
6090 : }
6091 :
6092 : /*
6093 : * All HDMI 2.0 monitors must support scrambling at rates > 340 MHz.
6094 : * And as per the spec, three factors confirm this:
6095 : * * Availability of a HF-VSDB block in EDID (check)
6096 : * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check)
6097 : * * SCDC support available (let's check)
6098 : * Lets check it out.
6099 : */
6100 :
6101 0 : if (hf_scds[5]) {
6102 0 : struct drm_scdc *scdc = &hdmi->scdc;
6103 :
6104 : /* max clock is 5000 KHz times block value */
6105 0 : max_tmds_clock = hf_scds[5] * 5000;
6106 :
6107 0 : if (max_tmds_clock > 340000) {
6108 0 : info->max_tmds_clock = max_tmds_clock;
6109 : }
6110 :
6111 0 : if (scdc->supported) {
6112 0 : scdc->scrambling.supported = true;
6113 :
6114 : /* Few sinks support scrambling for clocks < 340M */
6115 0 : if ((hf_scds[6] & 0x8))
6116 0 : scdc->scrambling.low_rates = true;
6117 : }
6118 : }
6119 :
6120 0 : if (hf_scds[7]) {
6121 0 : max_frl_rate = (hf_scds[7] & DRM_EDID_MAX_FRL_RATE_MASK) >> 4;
6122 0 : drm_get_max_frl_rate(max_frl_rate, &hdmi->max_lanes,
6123 : &hdmi->max_frl_rate_per_lane);
6124 : }
6125 :
6126 0 : drm_parse_ycbcr420_deep_color_info(connector, hf_scds);
6127 :
6128 0 : if (cea_db_payload_len(hf_scds) >= 11 && hf_scds[11]) {
6129 0 : drm_parse_dsc_info(hdmi_dsc, hf_scds);
6130 0 : dsc_support = true;
6131 : }
6132 :
6133 0 : drm_dbg_kms(connector->dev,
6134 : "[CONNECTOR:%d:%s] HF-VSDB: max TMDS clock: %d KHz, HDMI 2.1 support: %s, DSC 1.2 support: %s\n",
6135 : connector->base.id, connector->name,
6136 : max_tmds_clock, str_yes_no(max_frl_rate), str_yes_no(dsc_support));
6137 0 : }
6138 :
6139 0 : static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector,
6140 : const u8 *hdmi)
6141 : {
6142 0 : struct drm_display_info *info = &connector->display_info;
6143 0 : unsigned int dc_bpc = 0;
6144 :
6145 : /* HDMI supports at least 8 bpc */
6146 0 : info->bpc = 8;
6147 :
6148 0 : if (cea_db_payload_len(hdmi) < 6)
6149 : return;
6150 :
6151 0 : if (hdmi[6] & DRM_EDID_HDMI_DC_30) {
6152 0 : dc_bpc = 10;
6153 0 : info->edid_hdmi_rgb444_dc_modes |= DRM_EDID_HDMI_DC_30;
6154 0 : drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] HDMI sink does deep color 30.\n",
6155 : connector->base.id, connector->name);
6156 : }
6157 :
6158 0 : if (hdmi[6] & DRM_EDID_HDMI_DC_36) {
6159 0 : dc_bpc = 12;
6160 0 : info->edid_hdmi_rgb444_dc_modes |= DRM_EDID_HDMI_DC_36;
6161 0 : drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] HDMI sink does deep color 36.\n",
6162 : connector->base.id, connector->name);
6163 : }
6164 :
6165 0 : if (hdmi[6] & DRM_EDID_HDMI_DC_48) {
6166 0 : dc_bpc = 16;
6167 0 : info->edid_hdmi_rgb444_dc_modes |= DRM_EDID_HDMI_DC_48;
6168 0 : drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] HDMI sink does deep color 48.\n",
6169 : connector->base.id, connector->name);
6170 : }
6171 :
6172 0 : if (dc_bpc == 0) {
6173 0 : drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] No deep color support on this HDMI sink.\n",
6174 : connector->base.id, connector->name);
6175 0 : return;
6176 : }
6177 :
6178 0 : drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] Assigning HDMI sink color depth as %d bpc.\n",
6179 : connector->base.id, connector->name, dc_bpc);
6180 0 : info->bpc = dc_bpc;
6181 :
6182 : /* YCRCB444 is optional according to spec. */
6183 0 : if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) {
6184 0 : info->edid_hdmi_ycbcr444_dc_modes = info->edid_hdmi_rgb444_dc_modes;
6185 0 : drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] HDMI sink does YCRCB444 in deep color.\n",
6186 : connector->base.id, connector->name);
6187 : }
6188 :
6189 : /*
6190 : * Spec says that if any deep color mode is supported at all,
6191 : * then deep color 36 bit must be supported.
6192 : */
6193 0 : if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) {
6194 0 : drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] HDMI sink should do DC_36, but does not!\n",
6195 : connector->base.id, connector->name);
6196 : }
6197 : }
6198 :
6199 : /* HDMI Vendor-Specific Data Block (HDMI VSDB, H14b-VSDB) */
6200 : static void
6201 0 : drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db)
6202 : {
6203 0 : struct drm_display_info *info = &connector->display_info;
6204 0 : u8 len = cea_db_payload_len(db);
6205 :
6206 0 : info->is_hdmi = true;
6207 :
6208 0 : if (len >= 6)
6209 0 : info->dvi_dual = db[6] & 1;
6210 0 : if (len >= 7)
6211 0 : info->max_tmds_clock = db[7] * 5000;
6212 :
6213 : /*
6214 : * Try to infer whether the sink supports HDMI infoframes.
6215 : *
6216 : * HDMI infoframe support was first added in HDMI 1.4. Assume the sink
6217 : * supports infoframes if HDMI_Video_present is set.
6218 : */
6219 0 : if (len >= 8 && db[8] & BIT(5))
6220 0 : info->has_hdmi_infoframe = true;
6221 :
6222 0 : drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] HDMI: DVI dual %d, max TMDS clock %d kHz\n",
6223 : connector->base.id, connector->name,
6224 : info->dvi_dual, info->max_tmds_clock);
6225 :
6226 0 : drm_parse_hdmi_deep_color_info(connector, db);
6227 0 : }
6228 :
6229 : /*
6230 : * See EDID extension for head-mounted and specialized monitors, specified at:
6231 : * https://docs.microsoft.com/en-us/windows-hardware/drivers/display/specialized-monitors-edid-extension
6232 : */
6233 0 : static void drm_parse_microsoft_vsdb(struct drm_connector *connector,
6234 : const u8 *db)
6235 : {
6236 0 : struct drm_display_info *info = &connector->display_info;
6237 0 : u8 version = db[4];
6238 0 : bool desktop_usage = db[5] & BIT(6);
6239 :
6240 : /* Version 1 and 2 for HMDs, version 3 flags desktop usage explicitly */
6241 0 : if (version == 1 || version == 2 || (version == 3 && !desktop_usage))
6242 0 : info->non_desktop = true;
6243 :
6244 0 : drm_dbg_kms(connector->dev,
6245 : "[CONNECTOR:%d:%s] HMD or specialized display VSDB version %u: 0x%02x\n",
6246 : connector->base.id, connector->name, version, db[5]);
6247 0 : }
6248 :
6249 0 : static void drm_parse_cea_ext(struct drm_connector *connector,
6250 : const struct drm_edid *drm_edid)
6251 : {
6252 0 : struct drm_display_info *info = &connector->display_info;
6253 : struct drm_edid_iter edid_iter;
6254 : const struct cea_db *db;
6255 : struct cea_db_iter iter;
6256 : const u8 *edid_ext;
6257 0 : u64 y420cmdb_map = 0;
6258 :
6259 : drm_edid_iter_begin(drm_edid, &edid_iter);
6260 0 : drm_edid_iter_for_each(edid_ext, &edid_iter) {
6261 0 : if (edid_ext[0] != CEA_EXT)
6262 0 : continue;
6263 :
6264 0 : if (!info->cea_rev)
6265 0 : info->cea_rev = edid_ext[1];
6266 :
6267 0 : if (info->cea_rev != edid_ext[1])
6268 0 : drm_dbg_kms(connector->dev,
6269 : "[CONNECTOR:%d:%s] CEA extension version mismatch %u != %u\n",
6270 : connector->base.id, connector->name,
6271 : info->cea_rev, edid_ext[1]);
6272 :
6273 : /* The existence of a CTA extension should imply RGB support */
6274 0 : info->color_formats = DRM_COLOR_FORMAT_RGB444;
6275 0 : if (edid_ext[3] & EDID_CEA_YCRCB444)
6276 0 : info->color_formats |= DRM_COLOR_FORMAT_YCBCR444;
6277 0 : if (edid_ext[3] & EDID_CEA_YCRCB422)
6278 0 : info->color_formats |= DRM_COLOR_FORMAT_YCBCR422;
6279 0 : if (edid_ext[3] & EDID_BASIC_AUDIO)
6280 0 : info->has_audio = true;
6281 :
6282 : }
6283 0 : drm_edid_iter_end(&edid_iter);
6284 :
6285 0 : cea_db_iter_edid_begin(drm_edid, &iter);
6286 0 : cea_db_iter_for_each(db, &iter) {
6287 : /* FIXME: convert parsers to use struct cea_db */
6288 0 : const u8 *data = (const u8 *)db;
6289 :
6290 0 : if (cea_db_is_hdmi_vsdb(db))
6291 0 : drm_parse_hdmi_vsdb_video(connector, data);
6292 0 : else if (cea_db_is_hdmi_forum_vsdb(db) ||
6293 0 : cea_db_is_hdmi_forum_scdb(db))
6294 0 : drm_parse_hdmi_forum_scds(connector, data);
6295 0 : else if (cea_db_is_microsoft_vsdb(db))
6296 0 : drm_parse_microsoft_vsdb(connector, data);
6297 0 : else if (cea_db_is_y420cmdb(db))
6298 0 : parse_cta_y420cmdb(connector, db, &y420cmdb_map);
6299 0 : else if (cea_db_is_y420vdb(db))
6300 0 : parse_cta_y420vdb(connector, db);
6301 0 : else if (cea_db_is_vcdb(db))
6302 0 : drm_parse_vcdb(connector, data);
6303 0 : else if (cea_db_is_hdmi_hdr_metadata_block(db))
6304 0 : drm_parse_hdr_metadata_block(connector, data);
6305 0 : else if (cea_db_tag(db) == CTA_DB_VIDEO)
6306 0 : parse_cta_vdb(connector, db);
6307 0 : else if (cea_db_tag(db) == CTA_DB_AUDIO)
6308 0 : info->has_audio = true;
6309 : }
6310 0 : cea_db_iter_end(&iter);
6311 :
6312 0 : if (y420cmdb_map)
6313 0 : update_cta_y420cmdb(connector, y420cmdb_map);
6314 0 : }
6315 :
6316 : static
6317 0 : void get_monitor_range(const struct detailed_timing *timing, void *c)
6318 : {
6319 0 : struct detailed_mode_closure *closure = c;
6320 0 : struct drm_display_info *info = &closure->connector->display_info;
6321 0 : struct drm_monitor_range_info *monitor_range = &info->monitor_range;
6322 0 : const struct detailed_non_pixel *data = &timing->data.other_data;
6323 0 : const struct detailed_data_monitor_range *range = &data->data.range;
6324 0 : const struct edid *edid = closure->drm_edid->edid;
6325 :
6326 0 : if (!is_display_descriptor(timing, EDID_DETAIL_MONITOR_RANGE))
6327 : return;
6328 :
6329 : /*
6330 : * These limits are used to determine the VRR refresh
6331 : * rate range. Only the "range limits only" variant
6332 : * of the range descriptor seems to guarantee that
6333 : * any and all timings are accepted by the sink, as
6334 : * opposed to just timings conforming to the indicated
6335 : * formula (GTF/GTF2/CVT). Thus other variants of the
6336 : * range descriptor are not accepted here.
6337 : */
6338 0 : if (range->flags != DRM_EDID_RANGE_LIMITS_ONLY_FLAG)
6339 : return;
6340 :
6341 0 : monitor_range->min_vfreq = range->min_vfreq;
6342 0 : monitor_range->max_vfreq = range->max_vfreq;
6343 :
6344 0 : if (edid->revision >= 4) {
6345 0 : if (data->pad2 & DRM_EDID_RANGE_OFFSET_MIN_VFREQ)
6346 0 : monitor_range->min_vfreq += 255;
6347 0 : if (data->pad2 & DRM_EDID_RANGE_OFFSET_MAX_VFREQ)
6348 0 : monitor_range->max_vfreq += 255;
6349 : }
6350 : }
6351 :
6352 0 : static void drm_get_monitor_range(struct drm_connector *connector,
6353 : const struct drm_edid *drm_edid)
6354 : {
6355 0 : const struct drm_display_info *info = &connector->display_info;
6356 0 : struct detailed_mode_closure closure = {
6357 : .connector = connector,
6358 : .drm_edid = drm_edid,
6359 : };
6360 :
6361 0 : if (drm_edid->edid->revision < 4)
6362 0 : return;
6363 :
6364 0 : if (!(drm_edid->edid->features & DRM_EDID_FEATURE_CONTINUOUS_FREQ))
6365 : return;
6366 :
6367 0 : drm_for_each_detailed_block(drm_edid, get_monitor_range, &closure);
6368 :
6369 0 : drm_dbg_kms(connector->dev,
6370 : "[CONNECTOR:%d:%s] Supported Monitor Refresh rate range is %d Hz - %d Hz\n",
6371 : connector->base.id, connector->name,
6372 : info->monitor_range.min_vfreq, info->monitor_range.max_vfreq);
6373 : }
6374 :
6375 0 : static void drm_parse_vesa_mso_data(struct drm_connector *connector,
6376 : const struct displayid_block *block)
6377 : {
6378 0 : struct displayid_vesa_vendor_specific_block *vesa =
6379 : (struct displayid_vesa_vendor_specific_block *)block;
6380 0 : struct drm_display_info *info = &connector->display_info;
6381 :
6382 0 : if (block->num_bytes < 3) {
6383 0 : drm_dbg_kms(connector->dev,
6384 : "[CONNECTOR:%d:%s] Unexpected vendor block size %u\n",
6385 : connector->base.id, connector->name, block->num_bytes);
6386 0 : return;
6387 : }
6388 :
6389 0 : if (oui(vesa->oui[0], vesa->oui[1], vesa->oui[2]) != VESA_IEEE_OUI)
6390 : return;
6391 :
6392 0 : if (sizeof(*vesa) != sizeof(*block) + block->num_bytes) {
6393 0 : drm_dbg_kms(connector->dev,
6394 : "[CONNECTOR:%d:%s] Unexpected VESA vendor block size\n",
6395 : connector->base.id, connector->name);
6396 0 : return;
6397 : }
6398 :
6399 0 : switch (FIELD_GET(DISPLAYID_VESA_MSO_MODE, vesa->mso)) {
6400 : default:
6401 0 : drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] Reserved MSO mode value\n",
6402 : connector->base.id, connector->name);
6403 : fallthrough;
6404 : case 0:
6405 0 : info->mso_stream_count = 0;
6406 0 : break;
6407 : case 1:
6408 0 : info->mso_stream_count = 2; /* 2 or 4 links */
6409 0 : break;
6410 : case 2:
6411 0 : info->mso_stream_count = 4; /* 4 links */
6412 0 : break;
6413 : }
6414 :
6415 0 : if (!info->mso_stream_count) {
6416 0 : info->mso_pixel_overlap = 0;
6417 0 : return;
6418 : }
6419 :
6420 0 : info->mso_pixel_overlap = FIELD_GET(DISPLAYID_VESA_MSO_OVERLAP, vesa->mso);
6421 0 : if (info->mso_pixel_overlap > 8) {
6422 0 : drm_dbg_kms(connector->dev,
6423 : "[CONNECTOR:%d:%s] Reserved MSO pixel overlap value %u\n",
6424 : connector->base.id, connector->name,
6425 : info->mso_pixel_overlap);
6426 0 : info->mso_pixel_overlap = 8;
6427 : }
6428 :
6429 0 : drm_dbg_kms(connector->dev,
6430 : "[CONNECTOR:%d:%s] MSO stream count %u, pixel overlap %u\n",
6431 : connector->base.id, connector->name,
6432 : info->mso_stream_count, info->mso_pixel_overlap);
6433 : }
6434 :
6435 0 : static void drm_update_mso(struct drm_connector *connector,
6436 : const struct drm_edid *drm_edid)
6437 : {
6438 : const struct displayid_block *block;
6439 : struct displayid_iter iter;
6440 :
6441 0 : displayid_iter_edid_begin(drm_edid, &iter);
6442 0 : displayid_iter_for_each(block, &iter) {
6443 0 : if (block->tag == DATA_BLOCK_2_VENDOR_SPECIFIC)
6444 0 : drm_parse_vesa_mso_data(connector, block);
6445 : }
6446 0 : displayid_iter_end(&iter);
6447 0 : }
6448 :
6449 : /* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset
6450 : * all of the values which would have been set from EDID
6451 : */
6452 0 : static void drm_reset_display_info(struct drm_connector *connector)
6453 : {
6454 0 : struct drm_display_info *info = &connector->display_info;
6455 :
6456 0 : info->width_mm = 0;
6457 0 : info->height_mm = 0;
6458 :
6459 0 : info->bpc = 0;
6460 0 : info->color_formats = 0;
6461 0 : info->cea_rev = 0;
6462 0 : info->max_tmds_clock = 0;
6463 0 : info->dvi_dual = false;
6464 0 : info->is_hdmi = false;
6465 0 : info->has_audio = false;
6466 0 : info->has_hdmi_infoframe = false;
6467 0 : info->rgb_quant_range_selectable = false;
6468 0 : memset(&info->hdmi, 0, sizeof(info->hdmi));
6469 :
6470 0 : info->edid_hdmi_rgb444_dc_modes = 0;
6471 0 : info->edid_hdmi_ycbcr444_dc_modes = 0;
6472 :
6473 0 : info->non_desktop = 0;
6474 0 : memset(&info->monitor_range, 0, sizeof(info->monitor_range));
6475 0 : memset(&info->luminance_range, 0, sizeof(info->luminance_range));
6476 :
6477 0 : info->mso_stream_count = 0;
6478 0 : info->mso_pixel_overlap = 0;
6479 0 : info->max_dsc_bpp = 0;
6480 :
6481 0 : kfree(info->vics);
6482 0 : info->vics = NULL;
6483 0 : info->vics_len = 0;
6484 :
6485 0 : info->quirks = 0;
6486 0 : }
6487 :
6488 0 : static void update_displayid_info(struct drm_connector *connector,
6489 : const struct drm_edid *drm_edid)
6490 : {
6491 0 : struct drm_display_info *info = &connector->display_info;
6492 : const struct displayid_block *block;
6493 : struct displayid_iter iter;
6494 :
6495 0 : displayid_iter_edid_begin(drm_edid, &iter);
6496 0 : displayid_iter_for_each(block, &iter) {
6497 0 : if (displayid_version(&iter) == DISPLAY_ID_STRUCTURE_VER_20 &&
6498 0 : (displayid_primary_use(&iter) == PRIMARY_USE_HEAD_MOUNTED_VR ||
6499 0 : displayid_primary_use(&iter) == PRIMARY_USE_HEAD_MOUNTED_AR))
6500 0 : info->non_desktop = true;
6501 :
6502 : /*
6503 : * We're only interested in the base section here, no need to
6504 : * iterate further.
6505 : */
6506 : break;
6507 : }
6508 0 : displayid_iter_end(&iter);
6509 0 : }
6510 :
6511 0 : static void update_display_info(struct drm_connector *connector,
6512 : const struct drm_edid *drm_edid)
6513 : {
6514 0 : struct drm_display_info *info = &connector->display_info;
6515 : const struct edid *edid;
6516 :
6517 0 : drm_reset_display_info(connector);
6518 0 : clear_eld(connector);
6519 :
6520 0 : if (!drm_edid)
6521 : return;
6522 :
6523 0 : edid = drm_edid->edid;
6524 :
6525 0 : info->quirks = edid_get_quirks(drm_edid);
6526 :
6527 0 : info->width_mm = edid->width_cm * 10;
6528 0 : info->height_mm = edid->height_cm * 10;
6529 :
6530 0 : drm_get_monitor_range(connector, drm_edid);
6531 :
6532 0 : if (edid->revision < 3)
6533 : goto out;
6534 :
6535 0 : if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
6536 : goto out;
6537 :
6538 0 : info->color_formats |= DRM_COLOR_FORMAT_RGB444;
6539 0 : drm_parse_cea_ext(connector, drm_edid);
6540 :
6541 0 : update_displayid_info(connector, drm_edid);
6542 :
6543 : /*
6544 : * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3?
6545 : *
6546 : * For such displays, the DFP spec 1.0, section 3.10 "EDID support"
6547 : * tells us to assume 8 bpc color depth if the EDID doesn't have
6548 : * extensions which tell otherwise.
6549 : */
6550 0 : if (info->bpc == 0 && edid->revision == 3 &&
6551 0 : edid->input & DRM_EDID_DIGITAL_DFP_1_X) {
6552 0 : info->bpc = 8;
6553 0 : drm_dbg_kms(connector->dev,
6554 : "[CONNECTOR:%d:%s] Assigning DFP sink color depth as %d bpc.\n",
6555 : connector->base.id, connector->name, info->bpc);
6556 : }
6557 :
6558 : /* Only defined for 1.4 with digital displays */
6559 0 : if (edid->revision < 4)
6560 : goto out;
6561 :
6562 0 : switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {
6563 : case DRM_EDID_DIGITAL_DEPTH_6:
6564 0 : info->bpc = 6;
6565 0 : break;
6566 : case DRM_EDID_DIGITAL_DEPTH_8:
6567 0 : info->bpc = 8;
6568 0 : break;
6569 : case DRM_EDID_DIGITAL_DEPTH_10:
6570 0 : info->bpc = 10;
6571 0 : break;
6572 : case DRM_EDID_DIGITAL_DEPTH_12:
6573 0 : info->bpc = 12;
6574 0 : break;
6575 : case DRM_EDID_DIGITAL_DEPTH_14:
6576 0 : info->bpc = 14;
6577 0 : break;
6578 : case DRM_EDID_DIGITAL_DEPTH_16:
6579 0 : info->bpc = 16;
6580 0 : break;
6581 : case DRM_EDID_DIGITAL_DEPTH_UNDEF:
6582 : default:
6583 0 : info->bpc = 0;
6584 0 : break;
6585 : }
6586 :
6587 0 : drm_dbg_kms(connector->dev,
6588 : "[CONNECTOR:%d:%s] Assigning EDID-1.4 digital sink color depth as %d bpc.\n",
6589 : connector->base.id, connector->name, info->bpc);
6590 :
6591 0 : if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)
6592 0 : info->color_formats |= DRM_COLOR_FORMAT_YCBCR444;
6593 0 : if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)
6594 0 : info->color_formats |= DRM_COLOR_FORMAT_YCBCR422;
6595 :
6596 0 : drm_update_mso(connector, drm_edid);
6597 :
6598 : out:
6599 0 : if (info->quirks & EDID_QUIRK_NON_DESKTOP) {
6600 0 : drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] Non-desktop display%s\n",
6601 : connector->base.id, connector->name,
6602 : info->non_desktop ? " (redundant quirk)" : "");
6603 0 : info->non_desktop = true;
6604 : }
6605 :
6606 0 : if (info->quirks & EDID_QUIRK_CAP_DSC_15BPP)
6607 0 : info->max_dsc_bpp = 15;
6608 :
6609 0 : if (info->quirks & EDID_QUIRK_FORCE_6BPC)
6610 0 : info->bpc = 6;
6611 :
6612 0 : if (info->quirks & EDID_QUIRK_FORCE_8BPC)
6613 0 : info->bpc = 8;
6614 :
6615 0 : if (info->quirks & EDID_QUIRK_FORCE_10BPC)
6616 0 : info->bpc = 10;
6617 :
6618 0 : if (info->quirks & EDID_QUIRK_FORCE_12BPC)
6619 0 : info->bpc = 12;
6620 :
6621 : /* Depends on info->cea_rev set by drm_parse_cea_ext() above */
6622 0 : drm_edid_to_eld(connector, drm_edid);
6623 : }
6624 :
6625 0 : static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev,
6626 : struct displayid_detailed_timings_1 *timings,
6627 : bool type_7)
6628 : {
6629 : struct drm_display_mode *mode;
6630 0 : unsigned pixel_clock = (timings->pixel_clock[0] |
6631 0 : (timings->pixel_clock[1] << 8) |
6632 0 : (timings->pixel_clock[2] << 16)) + 1;
6633 0 : unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;
6634 0 : unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;
6635 0 : unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1;
6636 0 : unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1;
6637 0 : unsigned vactive = (timings->vactive[0] | timings->vactive[1] << 8) + 1;
6638 0 : unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1;
6639 0 : unsigned vsync = (timings->vsync[0] | (timings->vsync[1] & 0x7f) << 8) + 1;
6640 0 : unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1;
6641 0 : bool hsync_positive = (timings->hsync[1] >> 7) & 0x1;
6642 0 : bool vsync_positive = (timings->vsync[1] >> 7) & 0x1;
6643 :
6644 0 : mode = drm_mode_create(dev);
6645 0 : if (!mode)
6646 : return NULL;
6647 :
6648 : /* resolution is kHz for type VII, and 10 kHz for type I */
6649 0 : mode->clock = type_7 ? pixel_clock : pixel_clock * 10;
6650 0 : mode->hdisplay = hactive;
6651 0 : mode->hsync_start = mode->hdisplay + hsync;
6652 0 : mode->hsync_end = mode->hsync_start + hsync_width;
6653 0 : mode->htotal = mode->hdisplay + hblank;
6654 :
6655 0 : mode->vdisplay = vactive;
6656 0 : mode->vsync_start = mode->vdisplay + vsync;
6657 0 : mode->vsync_end = mode->vsync_start + vsync_width;
6658 0 : mode->vtotal = mode->vdisplay + vblank;
6659 :
6660 : mode->flags = 0;
6661 0 : mode->flags |= hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
6662 0 : mode->flags |= vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
6663 0 : mode->type = DRM_MODE_TYPE_DRIVER;
6664 :
6665 0 : if (timings->flags & 0x80)
6666 0 : mode->type |= DRM_MODE_TYPE_PREFERRED;
6667 0 : drm_mode_set_name(mode);
6668 :
6669 0 : return mode;
6670 : }
6671 :
6672 0 : static int add_displayid_detailed_1_modes(struct drm_connector *connector,
6673 : const struct displayid_block *block)
6674 : {
6675 0 : struct displayid_detailed_timing_block *det = (struct displayid_detailed_timing_block *)block;
6676 : int i;
6677 : int num_timings;
6678 : struct drm_display_mode *newmode;
6679 0 : int num_modes = 0;
6680 0 : bool type_7 = block->tag == DATA_BLOCK_2_TYPE_7_DETAILED_TIMING;
6681 : /* blocks must be multiple of 20 bytes length */
6682 0 : if (block->num_bytes % 20)
6683 : return 0;
6684 :
6685 0 : num_timings = block->num_bytes / 20;
6686 0 : for (i = 0; i < num_timings; i++) {
6687 0 : struct displayid_detailed_timings_1 *timings = &det->timings[i];
6688 :
6689 0 : newmode = drm_mode_displayid_detailed(connector->dev, timings, type_7);
6690 0 : if (!newmode)
6691 0 : continue;
6692 :
6693 0 : drm_mode_probed_add(connector, newmode);
6694 0 : num_modes++;
6695 : }
6696 : return num_modes;
6697 : }
6698 :
6699 0 : static int add_displayid_detailed_modes(struct drm_connector *connector,
6700 : const struct drm_edid *drm_edid)
6701 : {
6702 : const struct displayid_block *block;
6703 : struct displayid_iter iter;
6704 0 : int num_modes = 0;
6705 :
6706 0 : displayid_iter_edid_begin(drm_edid, &iter);
6707 0 : displayid_iter_for_each(block, &iter) {
6708 0 : if (block->tag == DATA_BLOCK_TYPE_1_DETAILED_TIMING ||
6709 : block->tag == DATA_BLOCK_2_TYPE_7_DETAILED_TIMING)
6710 0 : num_modes += add_displayid_detailed_1_modes(connector, block);
6711 : }
6712 0 : displayid_iter_end(&iter);
6713 :
6714 0 : return num_modes;
6715 : }
6716 :
6717 0 : static int _drm_edid_connector_add_modes(struct drm_connector *connector,
6718 : const struct drm_edid *drm_edid)
6719 : {
6720 0 : const struct drm_display_info *info = &connector->display_info;
6721 0 : int num_modes = 0;
6722 :
6723 0 : if (!drm_edid)
6724 : return 0;
6725 :
6726 : /*
6727 : * EDID spec says modes should be preferred in this order:
6728 : * - preferred detailed mode
6729 : * - other detailed modes from base block
6730 : * - detailed modes from extension blocks
6731 : * - CVT 3-byte code modes
6732 : * - standard timing codes
6733 : * - established timing codes
6734 : * - modes inferred from GTF or CVT range information
6735 : *
6736 : * We get this pretty much right.
6737 : *
6738 : * XXX order for additional mode types in extension blocks?
6739 : */
6740 0 : num_modes += add_detailed_modes(connector, drm_edid);
6741 0 : num_modes += add_cvt_modes(connector, drm_edid);
6742 0 : num_modes += add_standard_modes(connector, drm_edid);
6743 0 : num_modes += add_established_modes(connector, drm_edid);
6744 0 : num_modes += add_cea_modes(connector, drm_edid);
6745 0 : num_modes += add_alternate_cea_modes(connector, drm_edid);
6746 0 : num_modes += add_displayid_detailed_modes(connector, drm_edid);
6747 0 : if (drm_edid->edid->features & DRM_EDID_FEATURE_CONTINUOUS_FREQ)
6748 0 : num_modes += add_inferred_modes(connector, drm_edid);
6749 :
6750 0 : if (info->quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
6751 0 : edid_fixup_preferred(connector);
6752 :
6753 : return num_modes;
6754 : }
6755 :
6756 : static void _drm_update_tile_info(struct drm_connector *connector,
6757 : const struct drm_edid *drm_edid);
6758 :
6759 0 : static int _drm_edid_connector_property_update(struct drm_connector *connector,
6760 : const struct drm_edid *drm_edid)
6761 : {
6762 0 : struct drm_device *dev = connector->dev;
6763 : int ret;
6764 :
6765 0 : if (connector->edid_blob_ptr) {
6766 0 : const struct edid *old_edid = connector->edid_blob_ptr->data;
6767 :
6768 0 : if (old_edid) {
6769 0 : if (!drm_edid_are_equal(drm_edid ? drm_edid->edid : NULL, old_edid)) {
6770 0 : connector->epoch_counter++;
6771 0 : drm_dbg_kms(dev, "[CONNECTOR:%d:%s] EDID changed, epoch counter %llu\n",
6772 : connector->base.id, connector->name,
6773 : connector->epoch_counter);
6774 : }
6775 : }
6776 : }
6777 :
6778 0 : ret = drm_property_replace_global_blob(dev,
6779 : &connector->edid_blob_ptr,
6780 : drm_edid ? drm_edid->size : 0,
6781 : drm_edid ? drm_edid->edid : NULL,
6782 : &connector->base,
6783 : dev->mode_config.edid_property);
6784 0 : if (ret) {
6785 0 : drm_dbg_kms(dev, "[CONNECTOR:%d:%s] EDID property update failed (%d)\n",
6786 : connector->base.id, connector->name, ret);
6787 0 : goto out;
6788 : }
6789 :
6790 0 : ret = drm_object_property_set_value(&connector->base,
6791 : dev->mode_config.non_desktop_property,
6792 0 : connector->display_info.non_desktop);
6793 0 : if (ret) {
6794 0 : drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Non-desktop property update failed (%d)\n",
6795 : connector->base.id, connector->name, ret);
6796 0 : goto out;
6797 : }
6798 :
6799 0 : ret = drm_connector_set_tile_property(connector);
6800 0 : if (ret) {
6801 0 : drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Tile property update failed (%d)\n",
6802 : connector->base.id, connector->name, ret);
6803 0 : goto out;
6804 : }
6805 :
6806 : out:
6807 0 : return ret;
6808 : }
6809 :
6810 : /**
6811 : * drm_edid_connector_update - Update connector information from EDID
6812 : * @connector: Connector
6813 : * @drm_edid: EDID
6814 : *
6815 : * Update the connector display info, ELD, HDR metadata, relevant properties,
6816 : * etc. from the passed in EDID.
6817 : *
6818 : * If EDID is NULL, reset the information.
6819 : *
6820 : * Must be called before calling drm_edid_connector_add_modes().
6821 : *
6822 : * Return: 0 on success, negative error on errors.
6823 : */
6824 0 : int drm_edid_connector_update(struct drm_connector *connector,
6825 : const struct drm_edid *drm_edid)
6826 : {
6827 0 : update_display_info(connector, drm_edid);
6828 :
6829 0 : _drm_update_tile_info(connector, drm_edid);
6830 :
6831 0 : return _drm_edid_connector_property_update(connector, drm_edid);
6832 : }
6833 : EXPORT_SYMBOL(drm_edid_connector_update);
6834 :
6835 : /**
6836 : * drm_edid_connector_add_modes - Update probed modes from the EDID property
6837 : * @connector: Connector
6838 : *
6839 : * Add the modes from the previously updated EDID property to the connector
6840 : * probed modes list.
6841 : *
6842 : * drm_edid_connector_update() must have been called before this to update the
6843 : * EDID property.
6844 : *
6845 : * Return: The number of modes added, or 0 if we couldn't find any.
6846 : */
6847 0 : int drm_edid_connector_add_modes(struct drm_connector *connector)
6848 : {
6849 0 : const struct drm_edid *drm_edid = NULL;
6850 : int count;
6851 :
6852 0 : if (connector->edid_blob_ptr)
6853 0 : drm_edid = drm_edid_alloc(connector->edid_blob_ptr->data,
6854 : connector->edid_blob_ptr->length);
6855 :
6856 0 : count = _drm_edid_connector_add_modes(connector, drm_edid);
6857 :
6858 0 : drm_edid_free(drm_edid);
6859 :
6860 0 : return count;
6861 : }
6862 : EXPORT_SYMBOL(drm_edid_connector_add_modes);
6863 :
6864 : /**
6865 : * drm_connector_update_edid_property - update the edid property of a connector
6866 : * @connector: drm connector
6867 : * @edid: new value of the edid property
6868 : *
6869 : * This function creates a new blob modeset object and assigns its id to the
6870 : * connector's edid property.
6871 : * Since we also parse tile information from EDID's displayID block, we also
6872 : * set the connector's tile property here. See drm_connector_set_tile_property()
6873 : * for more details.
6874 : *
6875 : * This function is deprecated. Use drm_edid_connector_update() instead.
6876 : *
6877 : * Returns:
6878 : * Zero on success, negative errno on failure.
6879 : */
6880 0 : int drm_connector_update_edid_property(struct drm_connector *connector,
6881 : const struct edid *edid)
6882 : {
6883 : struct drm_edid drm_edid;
6884 :
6885 0 : return drm_edid_connector_update(connector, drm_edid_legacy_init(&drm_edid, edid));
6886 : }
6887 : EXPORT_SYMBOL(drm_connector_update_edid_property);
6888 :
6889 : /**
6890 : * drm_add_edid_modes - add modes from EDID data, if available
6891 : * @connector: connector we're probing
6892 : * @edid: EDID data
6893 : *
6894 : * Add the specified modes to the connector's mode list. Also fills out the
6895 : * &drm_display_info structure and ELD in @connector with any information which
6896 : * can be derived from the edid.
6897 : *
6898 : * This function is deprecated. Use drm_edid_connector_add_modes() instead.
6899 : *
6900 : * Return: The number of modes added or 0 if we couldn't find any.
6901 : */
6902 0 : int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
6903 : {
6904 : struct drm_edid _drm_edid;
6905 : const struct drm_edid *drm_edid;
6906 :
6907 0 : if (edid && !drm_edid_is_valid(edid)) {
6908 0 : drm_warn(connector->dev, "[CONNECTOR:%d:%s] EDID invalid.\n",
6909 : connector->base.id, connector->name);
6910 0 : edid = NULL;
6911 : }
6912 :
6913 0 : drm_edid = drm_edid_legacy_init(&_drm_edid, edid);
6914 :
6915 0 : update_display_info(connector, drm_edid);
6916 :
6917 0 : return _drm_edid_connector_add_modes(connector, drm_edid);
6918 : }
6919 : EXPORT_SYMBOL(drm_add_edid_modes);
6920 :
6921 : /**
6922 : * drm_add_modes_noedid - add modes for the connectors without EDID
6923 : * @connector: connector we're probing
6924 : * @hdisplay: the horizontal display limit
6925 : * @vdisplay: the vertical display limit
6926 : *
6927 : * Add the specified modes to the connector's mode list. Only when the
6928 : * hdisplay/vdisplay is not beyond the given limit, it will be added.
6929 : *
6930 : * Return: The number of modes added or 0 if we couldn't find any.
6931 : */
6932 5 : int drm_add_modes_noedid(struct drm_connector *connector,
6933 : int hdisplay, int vdisplay)
6934 : {
6935 5 : int i, count, num_modes = 0;
6936 : struct drm_display_mode *mode;
6937 5 : struct drm_device *dev = connector->dev;
6938 :
6939 5 : count = ARRAY_SIZE(drm_dmt_modes);
6940 5 : if (hdisplay < 0)
6941 0 : hdisplay = 0;
6942 5 : if (vdisplay < 0)
6943 0 : vdisplay = 0;
6944 :
6945 445 : for (i = 0; i < count; i++) {
6946 440 : const struct drm_display_mode *ptr = &drm_dmt_modes[i];
6947 :
6948 440 : if (hdisplay && vdisplay) {
6949 : /*
6950 : * Only when two are valid, they will be used to check
6951 : * whether the mode should be added to the mode list of
6952 : * the connector.
6953 : */
6954 840 : if (ptr->hdisplay > hdisplay ||
6955 400 : ptr->vdisplay > vdisplay)
6956 85 : continue;
6957 : }
6958 355 : if (drm_mode_vrefresh(ptr) > 61)
6959 225 : continue;
6960 130 : mode = drm_mode_duplicate(dev, ptr);
6961 130 : if (mode) {
6962 130 : drm_mode_probed_add(connector, mode);
6963 130 : num_modes++;
6964 : }
6965 : }
6966 5 : return num_modes;
6967 : }
6968 : EXPORT_SYMBOL(drm_add_modes_noedid);
6969 :
6970 : /**
6971 : * drm_set_preferred_mode - Sets the preferred mode of a connector
6972 : * @connector: connector whose mode list should be processed
6973 : * @hpref: horizontal resolution of preferred mode
6974 : * @vpref: vertical resolution of preferred mode
6975 : *
6976 : * Marks a mode as preferred if it matches the resolution specified by @hpref
6977 : * and @vpref.
6978 : */
6979 0 : void drm_set_preferred_mode(struct drm_connector *connector,
6980 : int hpref, int vpref)
6981 : {
6982 : struct drm_display_mode *mode;
6983 :
6984 0 : list_for_each_entry(mode, &connector->probed_modes, head) {
6985 0 : if (mode->hdisplay == hpref &&
6986 0 : mode->vdisplay == vpref)
6987 0 : mode->type |= DRM_MODE_TYPE_PREFERRED;
6988 : }
6989 0 : }
6990 : EXPORT_SYMBOL(drm_set_preferred_mode);
6991 :
6992 : static bool is_hdmi2_sink(const struct drm_connector *connector)
6993 : {
6994 : /*
6995 : * FIXME: sil-sii8620 doesn't have a connector around when
6996 : * we need one, so we have to be prepared for a NULL connector.
6997 : */
6998 0 : if (!connector)
6999 : return true;
7000 :
7001 0 : return connector->display_info.hdmi.scdc.supported ||
7002 0 : connector->display_info.color_formats & DRM_COLOR_FORMAT_YCBCR420;
7003 : }
7004 :
7005 0 : static u8 drm_mode_hdmi_vic(const struct drm_connector *connector,
7006 : const struct drm_display_mode *mode)
7007 : {
7008 0 : bool has_hdmi_infoframe = connector ?
7009 0 : connector->display_info.has_hdmi_infoframe : false;
7010 :
7011 0 : if (!has_hdmi_infoframe)
7012 : return 0;
7013 :
7014 : /* No HDMI VIC when signalling 3D video format */
7015 0 : if (mode->flags & DRM_MODE_FLAG_3D_MASK)
7016 : return 0;
7017 :
7018 0 : return drm_match_hdmi_mode(mode);
7019 : }
7020 :
7021 0 : static u8 drm_mode_cea_vic(const struct drm_connector *connector,
7022 : const struct drm_display_mode *mode)
7023 : {
7024 : /*
7025 : * HDMI spec says if a mode is found in HDMI 1.4b 4K modes
7026 : * we should send its VIC in vendor infoframes, else send the
7027 : * VIC in AVI infoframes. Lets check if this mode is present in
7028 : * HDMI 1.4b 4K modes
7029 : */
7030 0 : if (drm_mode_hdmi_vic(connector, mode))
7031 : return 0;
7032 :
7033 0 : return drm_match_cea_mode(mode);
7034 : }
7035 :
7036 : /*
7037 : * Avoid sending VICs defined in HDMI 2.0 in AVI infoframes to sinks that
7038 : * conform to HDMI 1.4.
7039 : *
7040 : * HDMI 1.4 (CTA-861-D) VIC range: [1..64]
7041 : * HDMI 2.0 (CTA-861-F) VIC range: [1..107]
7042 : *
7043 : * If the sink lists the VIC in CTA VDB, assume it's fine, regardless of HDMI
7044 : * version.
7045 : */
7046 0 : static u8 vic_for_avi_infoframe(const struct drm_connector *connector, u8 vic)
7047 : {
7048 0 : if (!is_hdmi2_sink(connector) && vic > 64 &&
7049 0 : !cta_vdb_has_vic(connector, vic))
7050 : return 0;
7051 :
7052 : return vic;
7053 : }
7054 :
7055 : /**
7056 : * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with
7057 : * data from a DRM display mode
7058 : * @frame: HDMI AVI infoframe
7059 : * @connector: the connector
7060 : * @mode: DRM display mode
7061 : *
7062 : * Return: 0 on success or a negative error code on failure.
7063 : */
7064 : int
7065 0 : drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
7066 : const struct drm_connector *connector,
7067 : const struct drm_display_mode *mode)
7068 : {
7069 : enum hdmi_picture_aspect picture_aspect;
7070 : u8 vic, hdmi_vic;
7071 :
7072 0 : if (!frame || !mode)
7073 : return -EINVAL;
7074 :
7075 0 : hdmi_avi_infoframe_init(frame);
7076 :
7077 0 : if (mode->flags & DRM_MODE_FLAG_DBLCLK)
7078 0 : frame->pixel_repeat = 1;
7079 :
7080 0 : vic = drm_mode_cea_vic(connector, mode);
7081 0 : hdmi_vic = drm_mode_hdmi_vic(connector, mode);
7082 :
7083 0 : frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
7084 :
7085 : /*
7086 : * As some drivers don't support atomic, we can't use connector state.
7087 : * So just initialize the frame with default values, just the same way
7088 : * as it's done with other properties here.
7089 : */
7090 0 : frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
7091 0 : frame->itc = 0;
7092 :
7093 : /*
7094 : * Populate picture aspect ratio from either
7095 : * user input (if specified) or from the CEA/HDMI mode lists.
7096 : */
7097 0 : picture_aspect = mode->picture_aspect_ratio;
7098 0 : if (picture_aspect == HDMI_PICTURE_ASPECT_NONE) {
7099 0 : if (vic)
7100 0 : picture_aspect = drm_get_cea_aspect_ratio(vic);
7101 0 : else if (hdmi_vic)
7102 0 : picture_aspect = drm_get_hdmi_aspect_ratio(hdmi_vic);
7103 : }
7104 :
7105 : /*
7106 : * The infoframe can't convey anything but none, 4:3
7107 : * and 16:9, so if the user has asked for anything else
7108 : * we can only satisfy it by specifying the right VIC.
7109 : */
7110 0 : if (picture_aspect > HDMI_PICTURE_ASPECT_16_9) {
7111 0 : if (vic) {
7112 0 : if (picture_aspect != drm_get_cea_aspect_ratio(vic))
7113 : return -EINVAL;
7114 0 : } else if (hdmi_vic) {
7115 0 : if (picture_aspect != drm_get_hdmi_aspect_ratio(hdmi_vic))
7116 : return -EINVAL;
7117 : } else {
7118 : return -EINVAL;
7119 : }
7120 :
7121 : picture_aspect = HDMI_PICTURE_ASPECT_NONE;
7122 : }
7123 :
7124 0 : frame->video_code = vic_for_avi_infoframe(connector, vic);
7125 0 : frame->picture_aspect = picture_aspect;
7126 0 : frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
7127 0 : frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
7128 :
7129 0 : return 0;
7130 : }
7131 : EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode);
7132 :
7133 : /**
7134 : * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
7135 : * quantization range information
7136 : * @frame: HDMI AVI infoframe
7137 : * @connector: the connector
7138 : * @mode: DRM display mode
7139 : * @rgb_quant_range: RGB quantization range (Q)
7140 : */
7141 : void
7142 0 : drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
7143 : const struct drm_connector *connector,
7144 : const struct drm_display_mode *mode,
7145 : enum hdmi_quantization_range rgb_quant_range)
7146 : {
7147 0 : const struct drm_display_info *info = &connector->display_info;
7148 :
7149 : /*
7150 : * CEA-861:
7151 : * "A Source shall not send a non-zero Q value that does not correspond
7152 : * to the default RGB Quantization Range for the transmitted Picture
7153 : * unless the Sink indicates support for the Q bit in a Video
7154 : * Capabilities Data Block."
7155 : *
7156 : * HDMI 2.0 recommends sending non-zero Q when it does match the
7157 : * default RGB quantization range for the mode, even when QS=0.
7158 : */
7159 0 : if (info->rgb_quant_range_selectable ||
7160 0 : rgb_quant_range == drm_default_rgb_quant_range(mode))
7161 0 : frame->quantization_range = rgb_quant_range;
7162 : else
7163 0 : frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
7164 :
7165 : /*
7166 : * CEA-861-F:
7167 : * "When transmitting any RGB colorimetry, the Source should set the
7168 : * YQ-field to match the RGB Quantization Range being transmitted
7169 : * (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB,
7170 : * set YQ=1) and the Sink shall ignore the YQ-field."
7171 : *
7172 : * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused
7173 : * by non-zero YQ when receiving RGB. There doesn't seem to be any
7174 : * good way to tell which version of CEA-861 the sink supports, so
7175 : * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based
7176 : * on CEA-861-F.
7177 : */
7178 0 : if (!is_hdmi2_sink(connector) ||
7179 : rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
7180 0 : frame->ycc_quantization_range =
7181 : HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
7182 : else
7183 0 : frame->ycc_quantization_range =
7184 : HDMI_YCC_QUANTIZATION_RANGE_FULL;
7185 0 : }
7186 : EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);
7187 :
7188 : static enum hdmi_3d_structure
7189 0 : s3d_structure_from_display_mode(const struct drm_display_mode *mode)
7190 : {
7191 0 : u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK;
7192 :
7193 0 : switch (layout) {
7194 : case DRM_MODE_FLAG_3D_FRAME_PACKING:
7195 : return HDMI_3D_STRUCTURE_FRAME_PACKING;
7196 : case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:
7197 : return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE;
7198 : case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:
7199 : return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE;
7200 : case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:
7201 : return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL;
7202 : case DRM_MODE_FLAG_3D_L_DEPTH:
7203 : return HDMI_3D_STRUCTURE_L_DEPTH;
7204 : case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:
7205 : return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH;
7206 : case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
7207 : return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM;
7208 : case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
7209 : return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF;
7210 : default:
7211 : return HDMI_3D_STRUCTURE_INVALID;
7212 : }
7213 : }
7214 :
7215 : /**
7216 : * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with
7217 : * data from a DRM display mode
7218 : * @frame: HDMI vendor infoframe
7219 : * @connector: the connector
7220 : * @mode: DRM display mode
7221 : *
7222 : * Note that there's is a need to send HDMI vendor infoframes only when using a
7223 : * 4k or stereoscopic 3D mode. So when giving any other mode as input this
7224 : * function will return -EINVAL, error that can be safely ignored.
7225 : *
7226 : * Return: 0 on success or a negative error code on failure.
7227 : */
7228 : int
7229 0 : drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
7230 : const struct drm_connector *connector,
7231 : const struct drm_display_mode *mode)
7232 : {
7233 : /*
7234 : * FIXME: sil-sii8620 doesn't have a connector around when
7235 : * we need one, so we have to be prepared for a NULL connector.
7236 : */
7237 0 : bool has_hdmi_infoframe = connector ?
7238 0 : connector->display_info.has_hdmi_infoframe : false;
7239 : int err;
7240 :
7241 0 : if (!frame || !mode)
7242 : return -EINVAL;
7243 :
7244 0 : if (!has_hdmi_infoframe)
7245 : return -EINVAL;
7246 :
7247 0 : err = hdmi_vendor_infoframe_init(frame);
7248 0 : if (err < 0)
7249 : return err;
7250 :
7251 : /*
7252 : * Even if it's not absolutely necessary to send the infoframe
7253 : * (ie.vic==0 and s3d_struct==0) we will still send it if we
7254 : * know that the sink can handle it. This is based on a
7255 : * suggestion in HDMI 2.0 Appendix F. Apparently some sinks
7256 : * have trouble realizing that they should switch from 3D to 2D
7257 : * mode if the source simply stops sending the infoframe when
7258 : * it wants to switch from 3D to 2D.
7259 : */
7260 0 : frame->vic = drm_mode_hdmi_vic(connector, mode);
7261 0 : frame->s3d_struct = s3d_structure_from_display_mode(mode);
7262 :
7263 0 : return 0;
7264 : }
7265 : EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode);
7266 :
7267 0 : static void drm_parse_tiled_block(struct drm_connector *connector,
7268 : const struct displayid_block *block)
7269 : {
7270 0 : const struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block;
7271 : u16 w, h;
7272 : u8 tile_v_loc, tile_h_loc;
7273 : u8 num_v_tile, num_h_tile;
7274 : struct drm_tile_group *tg;
7275 :
7276 0 : w = tile->tile_size[0] | tile->tile_size[1] << 8;
7277 0 : h = tile->tile_size[2] | tile->tile_size[3] << 8;
7278 :
7279 0 : num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30);
7280 0 : num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30);
7281 0 : tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4);
7282 0 : tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4);
7283 :
7284 0 : connector->has_tile = true;
7285 0 : if (tile->tile_cap & 0x80)
7286 0 : connector->tile_is_single_monitor = true;
7287 :
7288 0 : connector->num_h_tile = num_h_tile + 1;
7289 0 : connector->num_v_tile = num_v_tile + 1;
7290 0 : connector->tile_h_loc = tile_h_loc;
7291 0 : connector->tile_v_loc = tile_v_loc;
7292 0 : connector->tile_h_size = w + 1;
7293 0 : connector->tile_v_size = h + 1;
7294 :
7295 0 : drm_dbg_kms(connector->dev,
7296 : "[CONNECTOR:%d:%s] tile cap 0x%x, size %dx%d, num tiles %dx%d, location %dx%d, vend %c%c%c",
7297 : connector->base.id, connector->name,
7298 : tile->tile_cap,
7299 : connector->tile_h_size, connector->tile_v_size,
7300 : connector->num_h_tile, connector->num_v_tile,
7301 : connector->tile_h_loc, connector->tile_v_loc,
7302 : tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]);
7303 :
7304 0 : tg = drm_mode_get_tile_group(connector->dev, tile->topology_id);
7305 0 : if (!tg)
7306 0 : tg = drm_mode_create_tile_group(connector->dev, tile->topology_id);
7307 0 : if (!tg)
7308 : return;
7309 :
7310 0 : if (connector->tile_group != tg) {
7311 : /* if we haven't got a pointer,
7312 : take the reference, drop ref to old tile group */
7313 0 : if (connector->tile_group)
7314 0 : drm_mode_put_tile_group(connector->dev, connector->tile_group);
7315 0 : connector->tile_group = tg;
7316 : } else {
7317 : /* if same tile group, then release the ref we just took. */
7318 0 : drm_mode_put_tile_group(connector->dev, tg);
7319 : }
7320 : }
7321 :
7322 0 : static bool displayid_is_tiled_block(const struct displayid_iter *iter,
7323 : const struct displayid_block *block)
7324 : {
7325 0 : return (displayid_version(iter) == DISPLAY_ID_STRUCTURE_VER_12 &&
7326 0 : block->tag == DATA_BLOCK_TILED_DISPLAY) ||
7327 0 : (displayid_version(iter) == DISPLAY_ID_STRUCTURE_VER_20 &&
7328 0 : block->tag == DATA_BLOCK_2_TILED_DISPLAY_TOPOLOGY);
7329 : }
7330 :
7331 0 : static void _drm_update_tile_info(struct drm_connector *connector,
7332 : const struct drm_edid *drm_edid)
7333 : {
7334 : const struct displayid_block *block;
7335 : struct displayid_iter iter;
7336 :
7337 0 : connector->has_tile = false;
7338 :
7339 0 : displayid_iter_edid_begin(drm_edid, &iter);
7340 0 : displayid_iter_for_each(block, &iter) {
7341 0 : if (displayid_is_tiled_block(&iter, block))
7342 0 : drm_parse_tiled_block(connector, block);
7343 : }
7344 0 : displayid_iter_end(&iter);
7345 :
7346 0 : if (!connector->has_tile && connector->tile_group) {
7347 0 : drm_mode_put_tile_group(connector->dev, connector->tile_group);
7348 0 : connector->tile_group = NULL;
7349 : }
7350 0 : }
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