drivers/gpu/drm/drm_panel_orientation_quirks.c

   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 asus_t100ha = {
  34         .width = 800,
  35         .height = 1280,
  36         .orientation = DRM_MODE_PANEL_ORIENTATION_LEFT_UP,
  37 };
  38
  39 static const struct drm_dmi_panel_orientation_data gpd_micropc = {
  40         .width = 720,
  41         .height = 1280,
  42         .bios_dates = (const char * const []){ "04/26/2019",
  43                 NULL },
  44         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
  45 };
  46
  47 static const struct drm_dmi_panel_orientation_data gpd_pocket = {
  48         .width = 1200,
  49         .height = 1920,
  50         .bios_dates = (const char * const []){ "05/26/2017", "06/28/2017",
  51                 "07/05/2017", "08/07/2017", NULL },
  52         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
  53 };
  54
  55 static const struct drm_dmi_panel_orientation_data gpd_pocket2 = {
  56         .width = 1200,
  57         .height = 1920,
  58         .bios_dates = (const char * const []){ "06/28/2018", "08/28/2018",
  59                 "12/07/2018", NULL },
  60         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
  61 };
  62
  63 static const struct drm_dmi_panel_orientation_data gpd_win = {
  64         .width = 720,
  65         .height = 1280,
  66         .bios_dates = (const char * const []){
  67                 "10/25/2016", "11/18/2016", "12/23/2016", "12/26/2016",
  68                 "02/21/2017", "03/20/2017", "05/25/2017", NULL },
  69         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
  70 };
  71
  72 static const struct drm_dmi_panel_orientation_data gpd_win2 = {
  73         .width = 720,
  74         .height = 1280,
  75         .bios_dates = (const char * const []){
  76                 "12/07/2017", "05/24/2018", "06/29/2018", NULL },
  77         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
  78 };
  79
  80 static const struct drm_dmi_panel_orientation_data itworks_tw891 = {
  81         .width = 800,
  82         .height = 1280,
  83         .bios_dates = (const char * const []){ "10/16/2015", NULL },
  84         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
  85 };
  86
  87 static const struct drm_dmi_panel_orientation_data onegx1_pro = {
  88         .width = 1200,
  89         .height = 1920,
  90         .bios_dates = (const char * const []){ "12/17/2020", NULL },
  91         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
  92 };
  93
  94 static const struct drm_dmi_panel_orientation_data lcd720x1280_rightside_up = {
  95         .width = 720,
  96         .height = 1280,
  97         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_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 lcd1200x1920_rightside_up = {
 107         .width = 1200,
 108         .height = 1920,
 109         .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
 110 };
 111
 112 static const struct dmi_system_id orientation_data[] = {
 113         {       /* Acer One 10 (S1003) */
 114                 .matches = {
 115                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
 116                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "One S1003"),
 117                 },
 118                 .driver_data = (void *)&lcd800x1280_rightside_up,
 119         }, {    /* Asus T100HA */
 120                 .matches = {
 121                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 122                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100HAN"),
 123                 },
 124                 .driver_data = (void *)&asus_t100ha,
 125         }, {    /* Asus T101HA */
 126                 .matches = {
 127                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 128                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T101HA"),
 129                 },
 130                 .driver_data = (void *)&lcd800x1280_rightside_up,
 131         }, {    /* Asus T103HAF */
 132                 .matches = {
 133                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 134                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T103HAF"),
 135                 },
 136                 .driver_data = (void *)&lcd800x1280_rightside_up,
 137         }, {    /* GPD MicroPC (generic strings, also match on bios date) */
 138                 .matches = {
 139                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"),
 140                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
 141                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"),
 142                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
 143                 },
 144                 .driver_data = (void *)&gpd_micropc,
 145         }, {    /* GPD MicroPC (later BIOS versions with proper DMI strings) */
 146                 .matches = {
 147                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "GPD"),
 148                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "MicroPC"),
 149                 },
 150                 .driver_data = (void *)&lcd720x1280_rightside_up,
 151         }, {    /*
 152                  * GPD Pocket, note that the the DMI data is less generic then
 153                  * it seems, devices with a board-vendor of "AMI Corporation"
 154                  * are quite rare, as are devices which have both board- *and*
 155                  * product-id set to "Default String"
 156                  */
 157                 .matches = {
 158                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
 159                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
 160                   DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"),
 161                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
 162                 },
 163                 .driver_data = (void *)&gpd_pocket,
 164         }, {    /* GPD Pocket 2 (generic strings, also match on bios date) */
 165                 .matches = {
 166                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"),
 167                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
 168                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"),
 169                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
 170                 },
 171                 .driver_data = (void *)&gpd_pocket2,
 172         }, {    /* GPD Win (same note on DMI match as GPD Pocket) */
 173                 .matches = {
 174                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
 175                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
 176                   DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"),
 177                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
 178                 },
 179                 .driver_data = (void *)&gpd_win,
 180         }, {    /* GPD Win 2 (too generic strings, also match on bios date) */
 181                 .matches = {
 182                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"),
 183                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
 184                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"),
 185                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"),
 186                 },
 187                 .driver_data = (void *)&gpd_win2,
 188         }, {    /* I.T.Works TW891 */
 189                 .matches = {
 190                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."),
 191                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TW891"),
 192                   DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."),
 193                   DMI_EXACT_MATCH(DMI_BOARD_NAME, "TW891"),
 194                 },
 195                 .driver_data = (void *)&itworks_tw891,
 196         }, {    /*
 197                  * Lenovo Ideapad Miix 310 laptop, only some production batches
 198                  * have a portrait screen, the resolution checks makes the quirk
 199                  * apply only to those batches.
 200                  */
 201                 .matches = {
 202                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 203                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "80SG"),
 204                   DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "MIIX 310-10ICR"),
 205                 },
 206                 .driver_data = (void *)&lcd800x1280_rightside_up,
 207         }, {    /* Lenovo Ideapad Miix 320 */
 208                 .matches = {
 209                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 210                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "80XF"),
 211                   DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo MIIX 320-10ICR"),
 212                 },
 213                 .driver_data = (void *)&lcd800x1280_rightside_up,
 214         }, {    /* Lenovo Ideapad D330 */
 215                 .matches = {
 216                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 217                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "81H3"),
 218                   DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad D330-10IGM"),
 219                 },
 220                 .driver_data = (void *)&lcd1200x1920_rightside_up,
 221         }, {    /* OneGX1 Pro */
 222                 .matches = {
 223                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "SYSTEM_MANUFACTURER"),
 224                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SYSTEM_PRODUCT_NAME"),
 225                   DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Default string"),
 226                 },
 227                 .driver_data = (void *)&onegx1_pro,
 228         }, {    /* VIOS LTH17 */
 229                 .matches = {
 230                   DMI_EXACT_MATCH(DMI_SYS_VENDOR, "VIOS"),
 231                   DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "LTH17"),
 232                 },
 233                 .driver_data = (void *)&lcd800x1280_rightside_up,
 234         },
 235         {}
 236 };
 237
 238 /**
 239  * drm_get_panel_orientation_quirk - Check for panel orientation quirks
 240  * @width: width in pixels of the panel
 241  * @height: height in pixels of the panel
 242  *
 243  * This function checks for platform specific (e.g. DMI based) quirks
 244  * providing info on panel_orientation for systems where this cannot be
 245  * probed from the hard-/firm-ware. To avoid false-positive this function
 246  * takes the panel resolution as argument and checks that against the
 247  * resolution expected by the quirk-table entry.
 248  *
 249  * Note this function is also used outside of the drm-subsys, by for example
 250  * the efifb code. Because of this this function gets compiled into its own
 251  * kernel-module when built as a module.
 252  *
 253  * Returns:
 254  * A DRM_MODE_PANEL_ORIENTATION_* value if there is a quirk for this system,
 255  * or DRM_MODE_PANEL_ORIENTATION_UNKNOWN if there is no quirk.
 256  */
 257 int drm_get_panel_orientation_quirk(int width, int height)
 258 {
 259         const struct dmi_system_id *match;
 260         const struct drm_dmi_panel_orientation_data *data;
 261         const char *bios_date;
 262         int i;
 263
 264         for (match = dmi_first_match(orientation_data);
 265              match;
 266              match = dmi_first_match(match + 1)) {
 267                 data = match->driver_data;
 268
 269                 if (data->width != width ||
 270                     data->height != height)
 271                         continue;
 272
 273                 if (!data->bios_dates)
 274                         return data->orientation;
 275
 276                 bios_date = dmi_get_system_info(DMI_BIOS_DATE);
 277                 if (!bios_date)
 278                         continue;
 279
 280                 i = match_string(data->bios_dates, -1, bios_date);
 281                 if (i >= 0)
 282                         return data->orientation;
 283         }
 284
 285         return DRM_MODE_PANEL_ORIENTATION_UNKNOWN;
 286 }
 287 EXPORT_SYMBOL(drm_get_panel_orientation_quirk);
 288
 289 #else
 290
 291 /* There are no quirks for non x86 devices yet */
 292 int drm_get_panel_orientation_quirk(int width, int height)
 293 {
 294         return DRM_MODE_PANEL_ORIENTATION_UNKNOWN;
 295 }
 296 EXPORT_SYMBOL(drm_get_panel_orientation_quirk);
 297
 298 #endif
 299
 300 MODULE_LICENSE("Dual MIT/GPL");