LCOV - code coverage report
Current view: top level - drivers/gpu/drm - drm_panel_orientation_quirks.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 0 2 0.0 %
Date: 2023-03-27 20:00:47 Functions: 0 1 0.0 %

          Line data    Source code
       1             : /* SPDX-License-Identifier: MIT */
       2             : /*
       3             :  * drm_panel_orientation_quirks.c -- Quirks for non-normal panel orientation
       4             :  *
       5             :  * Copyright (C) 2017 Hans de Goede <hdegoede@redhat.com>
       6             :  *
       7             :  * Note the quirks in this file are shared with fbdev/efifb and as such
       8             :  * must not depend on other drm code.
       9             :  */
      10             : 
      11             : #include <linux/dmi.h>
      12             : #include <linux/module.h>
      13             : #include <drm/drm_connector.h>
      14             : #include <drm/drm_utils.h>
      15             : 
      16             : #ifdef CONFIG_DMI
      17             : 
      18             : /*
      19             :  * Some x86 clamshell design devices use portrait tablet screens and a display
      20             :  * engine which cannot rotate in hardware, so we need to rotate the fbcon to
      21             :  * compensate. Unfortunately these (cheap) devices also typically have quite
      22             :  * generic DMI data, so we match on a combination of DMI data, screen resolution
      23             :  * and a list of known BIOS dates to avoid false positives.
      24             :  */
      25             : 
      26             : struct drm_dmi_panel_orientation_data {
      27             :         int width;
      28             :         int height;
      29             :         const char * const *bios_dates;
      30             :         int orientation;
      31             : };
      32             : 
      33             : static const struct drm_dmi_panel_orientation_data gpd_micropc = {
      34             :         .width = 720,
      35             :         .height = 1280,
      36             :         .bios_dates = (const char * const []){ "04/26/2019",
      37             :                 NULL },
      38             :         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
      39             : };
      40             : 
      41             : static const struct drm_dmi_panel_orientation_data gpd_pocket = {
      42             :         .width = 1200,
      43             :         .height = 1920,
      44             :         .bios_dates = (const char * const []){ "05/26/2017", "06/28/2017",
      45             :                 "07/05/2017", "08/07/2017", NULL },
      46             :         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
      47             : };
      48             : 
      49             : static const struct drm_dmi_panel_orientation_data gpd_pocket2 = {
      50             :         .width = 1200,
      51             :         .height = 1920,
      52             :         .bios_dates = (const char * const []){ "06/28/2018", "08/28/2018",
      53             :                 "12/07/2018", NULL },
      54             :         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
      55             : };
      56             : 
      57             : static const struct drm_dmi_panel_orientation_data gpd_win = {
      58             :         .width = 720,
      59             :         .height = 1280,
      60             :         .bios_dates = (const char * const []){
      61             :                 "10/25/2016", "11/18/2016", "12/23/2016", "12/26/2016",
      62             :                 "02/21/2017", "03/20/2017", "05/25/2017", NULL },
      63             :         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
      64             : };
      65             : 
      66             : static const struct drm_dmi_panel_orientation_data gpd_win2 = {
      67             :         .width = 720,
      68             :         .height = 1280,
      69             :         .bios_dates = (const char * const []){
      70             :                 "12/07/2017", "05/24/2018", "06/29/2018", NULL },
      71             :         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
      72             : };
      73             : 
      74             : static const struct drm_dmi_panel_orientation_data itworks_tw891 = {
      75             :         .width = 800,
      76             :         .height = 1280,
      77             :         .bios_dates = (const char * const []){ "10/16/2015", NULL },
      78             :         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
      79             : };
      80             : 
      81             : static const struct drm_dmi_panel_orientation_data onegx1_pro = {
      82             :         .width = 1200,
      83             :         .height = 1920,
      84             :         .bios_dates = (const char * const []){ "12/17/2020", NULL },
      85             :         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
      86             : };
      87             : 
      88             : static const struct drm_dmi_panel_orientation_data lcd720x1280_rightside_up = {
      89             :         .width = 720,
      90             :         .height = 1280,
      91             :         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
      92             : };
      93             : 
      94             : static const struct drm_dmi_panel_orientation_data lcd800x1280_leftside_up = {
      95             :         .width = 800,
      96             :         .height = 1280,
      97             :         .orientation = DRM_MODE_PANEL_ORIENTATION_LEFT_UP,
      98             : };
      99             : 
     100             : static const struct drm_dmi_panel_orientation_data lcd800x1280_rightside_up = {
     101             :         .width = 800,
     102             :         .height = 1280,
     103             :         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
     104             : };
     105             : 
     106             : static const struct drm_dmi_panel_orientation_data lcd1080x1920_leftside_up = {
     107             :         .width = 1080,
     108             :         .height = 1920,
     109             :         .orientation = DRM_MODE_PANEL_ORIENTATION_LEFT_UP,
     110             : };
     111             : 
     112             : static const struct drm_dmi_panel_orientation_data lcd1200x1920_rightside_up = {
     113             :         .width = 1200,
     114             :         .height = 1920,
     115             :         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
     116             : };
     117             : 
     118             : static const struct drm_dmi_panel_orientation_data lcd1280x1920_rightside_up = {
     119             :         .width = 1280,
     120             :         .height = 1920,
     121             :         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
     122             : };
     123             : 
     124             : static const struct drm_dmi_panel_orientation_data lcd1600x2560_leftside_up = {
     125             :         .width = 1600,
     126             :         .height = 2560,
     127             :         .orientation = DRM_MODE_PANEL_ORIENTATION_LEFT_UP,
     128             : };
     129             : 
     130             : static const struct drm_dmi_panel_orientation_data lcd1600x2560_rightside_up = {
     131             :         .width = 1600,
     132             :         .height = 2560,
     133             :         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
     134             : };
     135             : 
     136             : static const struct dmi_system_id orientation_data[] = {
     137             :         {       /* Acer One 10 (S1003) */
     138             :                 .matches = {
     139             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
     140             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "One S1003"),
     141             :                 },
     142             :                 .driver_data = (void *)&lcd800x1280_rightside_up,
     143             :         }, {    /* Acer Switch V 10 (SW5-017) */
     144             :                 .matches = {
     145             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
     146             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SW5-017"),
     147             :                 },
     148             :                 .driver_data = (void *)&lcd800x1280_rightside_up,
     149             :         }, {    /* Anbernic Win600 */
     150             :                 .matches = {
     151             :                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Anbernic"),
     152             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Win600"),
     153             :                 },
     154             :                 .driver_data = (void *)&lcd720x1280_rightside_up,
     155             :         }, {    /* Asus T100HA */
     156             :                 .matches = {
     157             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
     158             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100HAN"),
     159             :                 },
     160             :                 .driver_data = (void *)&lcd800x1280_leftside_up,
     161             :         }, {    /* Asus T101HA */
     162             :                 .matches = {
     163             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
     164             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T101HA"),
     165             :                 },
     166             :                 .driver_data = (void *)&lcd800x1280_rightside_up,
     167             :         }, {    /* Asus T103HAF */
     168             :                 .matches = {
     169             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
     170             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T103HAF"),
     171             :                 },
     172             :                 .driver_data = (void *)&lcd800x1280_rightside_up,
     173             :         }, {    /* AYA NEO 2021 */
     174             :                 .matches = {
     175             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "AYADEVICE"),
     176             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "AYA NEO 2021"),
     177             :                 },
     178             :                 .driver_data = (void *)&lcd800x1280_rightside_up,
     179             :         }, {    /* AYA NEO AIR */
     180             :                 .matches = {
     181             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "AYANEO"),
     182             :                   DMI_MATCH(DMI_BOARD_NAME, "AIR"),
     183             :                 },
     184             :                 .driver_data = (void *)&lcd1080x1920_leftside_up,
     185             :         }, {    /* AYA NEO NEXT */
     186             :                 .matches = {
     187             :                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AYANEO"),
     188             :                   DMI_MATCH(DMI_BOARD_NAME, "NEXT"),
     189             :                 },
     190             :                 .driver_data = (void *)&lcd800x1280_rightside_up,
     191             :         }, {    /* Chuwi HiBook (CWI514) */
     192             :                 .matches = {
     193             :                         DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"),
     194             :                         DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
     195             :                         /* Above matches are too generic, add bios-date match */
     196             :                         DMI_MATCH(DMI_BIOS_DATE, "05/07/2016"),
     197             :                 },
     198             :                 .driver_data = (void *)&lcd1200x1920_rightside_up,
     199             :         }, {    /* Chuwi Hi10 Pro (CWI529) */
     200             :                 .matches = {
     201             :                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Hampoo"),
     202             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Hi10 pro tablet"),
     203             :                 },
     204             :                 .driver_data = (void *)&lcd1200x1920_rightside_up,
     205             :         }, {    /* Dynabook K50 */
     206             :                 .matches = {
     207             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Dynabook Inc."),
     208             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "dynabook K50/FR"),
     209             :                 },
     210             :                 .driver_data = (void *)&lcd800x1280_leftside_up,
     211             :         }, {    /* GPD MicroPC (generic strings, also match on bios date) */
     212             :                 .matches = {
     213             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"),
     214             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
     215             :                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"),
     216             :                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
     217             :                 },
     218             :                 .driver_data = (void *)&gpd_micropc,
     219             :         }, {    /* GPD MicroPC (later BIOS versions with proper DMI strings) */
     220             :                 .matches = {
     221             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "GPD"),
     222             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "MicroPC"),
     223             :                 },
     224             :                 .driver_data = (void *)&lcd720x1280_rightside_up,
     225             :         }, {    /* GPD Win Max */
     226             :                 .matches = {
     227             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "GPD"),
     228             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "G1619-01"),
     229             :                 },
     230             :                 .driver_data = (void *)&lcd800x1280_rightside_up,
     231             :         }, {    /*
     232             :                  * GPD Pocket, note that the DMI data is less generic then
     233             :                  * it seems, devices with a board-vendor of "AMI Corporation"
     234             :                  * are quite rare, as are devices which have both board- *and*
     235             :                  * product-id set to "Default String"
     236             :                  */
     237             :                 .matches = {
     238             :                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
     239             :                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
     240             :                   DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"),
     241             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
     242             :                 },
     243             :                 .driver_data = (void *)&gpd_pocket,
     244             :         }, {    /* GPD Pocket 2 (generic strings, also match on bios date) */
     245             :                 .matches = {
     246             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"),
     247             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
     248             :                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"),
     249             :                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
     250             :                 },
     251             :                 .driver_data = (void *)&gpd_pocket2,
     252             :         }, {    /* GPD Win (same note on DMI match as GPD Pocket) */
     253             :                 .matches = {
     254             :                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
     255             :                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
     256             :                   DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"),
     257             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
     258             :                 },
     259             :                 .driver_data = (void *)&gpd_win,
     260             :         }, {    /* GPD Win 2 (too generic strings, also match on bios date) */
     261             :                 .matches = {
     262             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"),
     263             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
     264             :                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"),
     265             :                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
     266             :                 },
     267             :                 .driver_data = (void *)&gpd_win2,
     268             :         }, {    /* GPD Win 3 */
     269             :                 .matches = {
     270             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "GPD"),
     271             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "G1618-03")
     272             :                 },
     273             :                 .driver_data = (void *)&lcd720x1280_rightside_up,
     274             :         }, {    /* I.T.Works TW891 */
     275             :                 .matches = {
     276             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."),
     277             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TW891"),
     278             :                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."),
     279             :                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "TW891"),
     280             :                 },
     281             :                 .driver_data = (void *)&itworks_tw891,
     282             :         }, {    /* KD Kurio Smart C15200 2-in-1 */
     283             :                 .matches = {
     284             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "KD Interactive"),
     285             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Kurio Smart"),
     286             :                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "KDM960BCP"),
     287             :                 },
     288             :                 .driver_data = (void *)&lcd800x1280_rightside_up,
     289             :         }, {    /*
     290             :                  * Lenovo Ideapad Miix 310 laptop, only some production batches
     291             :                  * have a portrait screen, the resolution checks makes the quirk
     292             :                  * apply only to those batches.
     293             :                  */
     294             :                 .matches = {
     295             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
     296             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "80SG"),
     297             :                   DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "MIIX 310-10ICR"),
     298             :                 },
     299             :                 .driver_data = (void *)&lcd800x1280_rightside_up,
     300             :         }, {    /* Lenovo Ideapad Miix 320 */
     301             :                 .matches = {
     302             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
     303             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "80XF"),
     304             :                   DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo MIIX 320-10ICR"),
     305             :                 },
     306             :                 .driver_data = (void *)&lcd800x1280_rightside_up,
     307             :         }, {    /* Lenovo Ideapad D330-10IGM (HD) */
     308             :                 .matches = {
     309             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
     310             :                   DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad D330-10IGM"),
     311             :                 },
     312             :                 .driver_data = (void *)&lcd800x1280_rightside_up,
     313             :         }, {    /* Lenovo Ideapad D330-10IGM (FHD) */
     314             :                 .matches = {
     315             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
     316             :                   DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad D330-10IGM"),
     317             :                 },
     318             :                 .driver_data = (void *)&lcd1200x1920_rightside_up,
     319             :         }, {    /* Lenovo Ideapad D330-10IGL (HD) */
     320             :                 .matches = {
     321             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
     322             :                   DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad D330-10IGL"),
     323             :                 },
     324             :                 .driver_data = (void *)&lcd800x1280_rightside_up,
     325             :         }, {    /* Lenovo IdeaPad Duet 3 10IGL5 */
     326             :                 .matches = {
     327             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
     328             :                   DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "IdeaPad Duet 3 10IGL5"),
     329             :                 },
     330             :                 .driver_data = (void *)&lcd1200x1920_rightside_up,
     331             :         }, {    /* Lenovo Yoga Book X90F / X91F / X91L */
     332             :                 .matches = {
     333             :                   /* Non exact match to match all versions */
     334             :                   DMI_MATCH(DMI_PRODUCT_NAME, "Lenovo YB1-X9"),
     335             :                 },
     336             :                 .driver_data = (void *)&lcd1200x1920_rightside_up,
     337             :         }, {    /* Lenovo Yoga Tablet 2 830F / 830L */
     338             :                 .matches = {
     339             :                  /*
     340             :                   * Note this also matches the Lenovo Yoga Tablet 2 1050F/L
     341             :                   * since that uses the same mainboard. The resolution match
     342             :                   * will limit this to only matching on the 830F/L. Neither has
     343             :                   * any external video outputs so those are not a concern.
     344             :                   */
     345             :                  DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp."),
     346             :                  DMI_MATCH(DMI_PRODUCT_NAME, "VALLEYVIEW C0 PLATFORM"),
     347             :                  DMI_MATCH(DMI_BOARD_NAME, "BYT-T FFD8"),
     348             :                  /* Partial match on beginning of BIOS version */
     349             :                  DMI_MATCH(DMI_BIOS_VERSION, "BLADE_21"),
     350             :                 },
     351             :                 .driver_data = (void *)&lcd1200x1920_rightside_up,
     352             :         }, {    /* Lenovo Yoga Tab 3 X90F */
     353             :                 .matches = {
     354             :                  DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
     355             :                  DMI_MATCH(DMI_PRODUCT_NAME, "CHERRYVIEW D1 PLATFORM"),
     356             :                  DMI_MATCH(DMI_PRODUCT_VERSION, "Blade3-10A-001"),
     357             :                 },
     358             :                 .driver_data = (void *)&lcd1600x2560_rightside_up,
     359             :         }, {    /* Nanote UMPC-01 */
     360             :                 .matches = {
     361             :                  DMI_MATCH(DMI_SYS_VENDOR, "RWC CO.,LTD"),
     362             :                  DMI_MATCH(DMI_PRODUCT_NAME, "UMPC-01"),
     363             :                 },
     364             :                 .driver_data = (void *)&lcd1200x1920_rightside_up,
     365             :         }, {    /* OneGX1 Pro */
     366             :                 .matches = {
     367             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "SYSTEM_MANUFACTURER"),
     368             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SYSTEM_PRODUCT_NAME"),
     369             :                   DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Default string"),
     370             :                 },
     371             :                 .driver_data = (void *)&onegx1_pro,
     372             :         }, {    /* OneXPlayer */
     373             :                 .matches = {
     374             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ONE-NETBOOK TECHNOLOGY CO., LTD."),
     375             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ONE XPLAYER"),
     376             :                 },
     377             :                 .driver_data = (void *)&lcd1600x2560_leftside_up,
     378             :         }, {    /* Samsung GalaxyBook 10.6 */
     379             :                 .matches = {
     380             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
     381             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Galaxy Book 10.6"),
     382             :                 },
     383             :                 .driver_data = (void *)&lcd1280x1920_rightside_up,
     384             :         }, {    /* Valve Steam Deck */
     385             :                 .matches = {
     386             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Valve"),
     387             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Jupiter"),
     388             :                   DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "1"),
     389             :                 },
     390             :                 .driver_data = (void *)&lcd800x1280_rightside_up,
     391             :         }, {    /* VIOS LTH17 */
     392             :                 .matches = {
     393             :                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "VIOS"),
     394             :                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "LTH17"),
     395             :                 },
     396             :                 .driver_data = (void *)&lcd800x1280_rightside_up,
     397             :         },
     398             :         {}
     399             : };
     400             : 
     401             : /**
     402             :  * drm_get_panel_orientation_quirk - Check for panel orientation quirks
     403             :  * @width: width in pixels of the panel
     404             :  * @height: height in pixels of the panel
     405             :  *
     406             :  * This function checks for platform specific (e.g. DMI based) quirks
     407             :  * providing info on panel_orientation for systems where this cannot be
     408             :  * probed from the hard-/firm-ware. To avoid false-positive this function
     409             :  * takes the panel resolution as argument and checks that against the
     410             :  * resolution expected by the quirk-table entry.
     411             :  *
     412             :  * Note this function is also used outside of the drm-subsys, by for example
     413             :  * the efifb code. Because of this this function gets compiled into its own
     414             :  * kernel-module when built as a module.
     415             :  *
     416             :  * Returns:
     417             :  * A DRM_MODE_PANEL_ORIENTATION_* value if there is a quirk for this system,
     418             :  * or DRM_MODE_PANEL_ORIENTATION_UNKNOWN if there is no quirk.
     419             :  */
     420             : int drm_get_panel_orientation_quirk(int width, int height)
     421             : {
     422             :         const struct dmi_system_id *match;
     423             :         const struct drm_dmi_panel_orientation_data *data;
     424             :         const char *bios_date;
     425             :         int i;
     426             : 
     427             :         for (match = dmi_first_match(orientation_data);
     428             :              match;
     429             :              match = dmi_first_match(match + 1)) {
     430             :                 data = match->driver_data;
     431             : 
     432             :                 if (data->width != width ||
     433             :                     data->height != height)
     434             :                         continue;
     435             : 
     436             :                 if (!data->bios_dates)
     437             :                         return data->orientation;
     438             : 
     439             :                 bios_date = dmi_get_system_info(DMI_BIOS_DATE);
     440             :                 if (!bios_date)
     441             :                         continue;
     442             : 
     443             :                 i = match_string(data->bios_dates, -1, bios_date);
     444             :                 if (i >= 0)
     445             :                         return data->orientation;
     446             :         }
     447             : 
     448             :         return DRM_MODE_PANEL_ORIENTATION_UNKNOWN;
     449             : }
     450             : EXPORT_SYMBOL(drm_get_panel_orientation_quirk);
     451             : 
     452             : #else
     453             : 
     454             : /* There are no quirks for non x86 devices yet */
     455           0 : int drm_get_panel_orientation_quirk(int width, int height)
     456             : {
     457           0 :         return DRM_MODE_PANEL_ORIENTATION_UNKNOWN;
     458             : }
     459             : EXPORT_SYMBOL(drm_get_panel_orientation_quirk);
     460             : 
     461             : #endif
     462             : 
     463             : MODULE_LICENSE("Dual MIT/GPL");

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