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_onemix2s = { 42 .width = 1200, 43 .height = 1920, 44 .bios_dates = (const char * const []){ "05/21/2018", "10/26/2018", 45 "03/04/2019", NULL }, 46 .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, 47 }; 48 49 static const struct drm_dmi_panel_orientation_data gpd_pocket = { 50 .width = 1200, 51 .height = 1920, 52 .bios_dates = (const char * const []){ "05/26/2017", "06/28/2017", 53 "07/05/2017", "08/07/2017", NULL }, 54 .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, 55 }; 56 57 static const struct drm_dmi_panel_orientation_data gpd_pocket2 = { 58 .width = 1200, 59 .height = 1920, 60 .bios_dates = (const char * const []){ "06/28/2018", "08/28/2018", 61 "12/07/2018", NULL }, 62 .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, 63 }; 64 65 static const struct drm_dmi_panel_orientation_data gpd_win = { 66 .width = 720, 67 .height = 1280, 68 .bios_dates = (const char * const []){ 69 "10/25/2016", "11/18/2016", "12/23/2016", "12/26/2016", 70 "02/21/2017", "03/20/2017", "05/25/2017", NULL }, 71 .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, 72 }; 73 74 static const struct drm_dmi_panel_orientation_data gpd_win2 = { 75 .width = 720, 76 .height = 1280, 77 .bios_dates = (const char * const []){ 78 "12/07/2017", "05/24/2018", "06/29/2018", NULL }, 79 .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, 80 }; 81 82 static const struct drm_dmi_panel_orientation_data itworks_tw891 = { 83 .width = 800, 84 .height = 1280, 85 .bios_dates = (const char * const []){ "10/16/2015", NULL }, 86 .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, 87 }; 88 89 static const struct drm_dmi_panel_orientation_data onegx1_pro = { 90 .width = 1200, 91 .height = 1920, 92 .bios_dates = (const char * const []){ "12/17/2020", NULL }, 93 .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, 94 }; 95 96 static const struct drm_dmi_panel_orientation_data lcd720x1280_rightside_up = { 97 .width = 720, 98 .height = 1280, 99 .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, 100 }; 101 102 static const struct drm_dmi_panel_orientation_data lcd800x1280_leftside_up = { 103 .width = 800, 104 .height = 1280, 105 .orientation = DRM_MODE_PANEL_ORIENTATION_LEFT_UP, 106 }; 107 108 static const struct drm_dmi_panel_orientation_data lcd800x1280_rightside_up = { 109 .width = 800, 110 .height = 1280, 111 .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, 112 }; 113 114 static const struct drm_dmi_panel_orientation_data lcd1080x1920_leftside_up = { 115 .width = 1080, 116 .height = 1920, 117 .orientation = DRM_MODE_PANEL_ORIENTATION_LEFT_UP, 118 }; 119 120 static const struct drm_dmi_panel_orientation_data lcd1080x1920_rightside_up = { 121 .width = 1080, 122 .height = 1920, 123 .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, 124 }; 125 126 static const struct drm_dmi_panel_orientation_data lcd1200x1920_rightside_up = { 127 .width = 1200, 128 .height = 1920, 129 .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, 130 }; 131 132 static const struct drm_dmi_panel_orientation_data lcd1280x1920_rightside_up = { 133 .width = 1280, 134 .height = 1920, 135 .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, 136 }; 137 138 static const struct drm_dmi_panel_orientation_data lcd1600x2560_leftside_up = { 139 .width = 1600, 140 .height = 2560, 141 .orientation = DRM_MODE_PANEL_ORIENTATION_LEFT_UP, 142 }; 143 144 static const struct drm_dmi_panel_orientation_data lcd1600x2560_rightside_up = { 145 .width = 1600, 146 .height = 2560, 147 .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, 148 }; 149 150 static const struct dmi_system_id orientation_data[] = { 151 { /* Acer One 10 (S1003) */ 152 .matches = { 153 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"), 154 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "One S1003"), 155 }, 156 .driver_data = (void *)&lcd800x1280_rightside_up, 157 }, { /* Acer Switch V 10 (SW5-017) */ 158 .matches = { 159 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"), 160 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SW5-017"), 161 }, 162 .driver_data = (void *)&lcd800x1280_rightside_up, 163 }, { /* Anbernic Win600 */ 164 .matches = { 165 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Anbernic"), 166 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Win600"), 167 }, 168 .driver_data = (void *)&lcd720x1280_rightside_up, 169 }, { /* Asus T100HA */ 170 .matches = { 171 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), 172 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100HAN"), 173 }, 174 .driver_data = (void *)&lcd800x1280_leftside_up, 175 }, { /* Asus T101HA */ 176 .matches = { 177 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), 178 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T101HA"), 179 }, 180 .driver_data = (void *)&lcd800x1280_rightside_up, 181 }, { /* Asus T103HAF */ 182 .matches = { 183 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), 184 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T103HAF"), 185 }, 186 .driver_data = (void *)&lcd800x1280_rightside_up, 187 }, { /* AYA NEO 2021 */ 188 .matches = { 189 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "AYADEVICE"), 190 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "AYA NEO 2021"), 191 }, 192 .driver_data = (void *)&lcd800x1280_rightside_up, 193 }, { /* AYA NEO AIR */ 194 .matches = { 195 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "AYANEO"), 196 DMI_MATCH(DMI_PRODUCT_NAME, "AIR"), 197 }, 198 .driver_data = (void *)&lcd1080x1920_leftside_up, 199 }, { /* AYA NEO NEXT */ 200 .matches = { 201 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AYANEO"), 202 DMI_MATCH(DMI_BOARD_NAME, "NEXT"), 203 }, 204 .driver_data = (void *)&lcd800x1280_rightside_up, 205 }, { /* AYA NEO KUN */ 206 .matches = { 207 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AYANEO"), 208 DMI_MATCH(DMI_BOARD_NAME, "KUN"), 209 }, 210 .driver_data = (void *)&lcd1600x2560_rightside_up, 211 }, { /* Chuwi HiBook (CWI514) */ 212 .matches = { 213 DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"), 214 DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"), 215 /* Above matches are too generic, add bios-date match */ 216 DMI_MATCH(DMI_BIOS_DATE, "05/07/2016"), 217 }, 218 .driver_data = (void *)&lcd1200x1920_rightside_up, 219 }, { /* Chuwi Hi10 Pro (CWI529) */ 220 .matches = { 221 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Hampoo"), 222 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Hi10 pro tablet"), 223 }, 224 .driver_data = (void *)&lcd1200x1920_rightside_up, 225 }, { /* Dynabook K50 */ 226 .matches = { 227 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Dynabook Inc."), 228 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "dynabook K50/FR"), 229 }, 230 .driver_data = (void *)&lcd800x1280_leftside_up, 231 }, { /* GPD MicroPC (generic strings, also match on bios date) */ 232 .matches = { 233 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"), 234 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), 235 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"), 236 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), 237 }, 238 .driver_data = (void *)&gpd_micropc, 239 }, { /* GPD MicroPC (later BIOS versions with proper DMI strings) */ 240 .matches = { 241 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "GPD"), 242 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "MicroPC"), 243 }, 244 .driver_data = (void *)&lcd720x1280_rightside_up, 245 }, { /* GPD Win Max */ 246 .matches = { 247 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "GPD"), 248 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "G1619-01"), 249 }, 250 .driver_data = (void *)&lcd800x1280_rightside_up, 251 }, { /* 252 * GPD Pocket, note that the DMI data is less generic then 253 * it seems, devices with a board-vendor of "AMI Corporation" 254 * are quite rare, as are devices which have both board- *and* 255 * product-id set to "Default String" 256 */ 257 .matches = { 258 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 259 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), 260 DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"), 261 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), 262 }, 263 .driver_data = (void *)&gpd_pocket, 264 }, { /* GPD Pocket 2 (generic strings, also match on bios date) */ 265 .matches = { 266 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"), 267 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), 268 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"), 269 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), 270 }, 271 .driver_data = (void *)&gpd_pocket2, 272 }, { /* GPD Win (same note on DMI match as GPD Pocket) */ 273 .matches = { 274 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 275 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), 276 DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"), 277 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), 278 }, 279 .driver_data = (void *)&gpd_win, 280 }, { /* GPD Win 2 (too generic strings, also match on bios date) */ 281 .matches = { 282 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"), 283 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), 284 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"), 285 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), 286 }, 287 .driver_data = (void *)&gpd_win2, 288 }, { /* GPD Win 3 */ 289 .matches = { 290 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "GPD"), 291 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "G1618-03") 292 }, 293 .driver_data = (void *)&lcd720x1280_rightside_up, 294 }, { /* GPD Win Mini */ 295 .matches = { 296 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "GPD"), 297 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "G1617-01") 298 }, 299 .driver_data = (void *)&lcd1080x1920_rightside_up, 300 }, { /* I.T.Works TW891 */ 301 .matches = { 302 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."), 303 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TW891"), 304 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."), 305 DMI_EXACT_MATCH(DMI_BOARD_NAME, "TW891"), 306 }, 307 .driver_data = (void *)&itworks_tw891, 308 }, { /* KD Kurio Smart C15200 2-in-1 */ 309 .matches = { 310 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "KD Interactive"), 311 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Kurio Smart"), 312 DMI_EXACT_MATCH(DMI_BOARD_NAME, "KDM960BCP"), 313 }, 314 .driver_data = (void *)&lcd800x1280_rightside_up, 315 }, { /* 316 * Lenovo Ideapad Miix 310 laptop, only some production batches 317 * have a portrait screen, the resolution checks makes the quirk 318 * apply only to those batches. 319 */ 320 .matches = { 321 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), 322 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "80SG"), 323 DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "MIIX 310-10ICR"), 324 }, 325 .driver_data = (void *)&lcd800x1280_rightside_up, 326 }, { /* Lenovo Ideapad Miix 320 */ 327 .matches = { 328 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), 329 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "80XF"), 330 DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo MIIX 320-10ICR"), 331 }, 332 .driver_data = (void *)&lcd800x1280_rightside_up, 333 }, { /* Lenovo Ideapad D330-10IGM (HD) */ 334 .matches = { 335 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), 336 DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad D330-10IGM"), 337 }, 338 .driver_data = (void *)&lcd800x1280_rightside_up, 339 }, { /* Lenovo Ideapad D330-10IGM (FHD) */ 340 .matches = { 341 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), 342 DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad D330-10IGM"), 343 }, 344 .driver_data = (void *)&lcd1200x1920_rightside_up, 345 }, { /* Lenovo Ideapad D330-10IGL (HD) */ 346 .matches = { 347 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), 348 DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad D330-10IGL"), 349 }, 350 .driver_data = (void *)&lcd800x1280_rightside_up, 351 }, { /* Lenovo IdeaPad Duet 3 10IGL5 */ 352 .matches = { 353 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), 354 DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "IdeaPad Duet 3 10IGL5"), 355 }, 356 .driver_data = (void *)&lcd1200x1920_rightside_up, 357 }, { /* Lenovo Legion Go 8APU1 */ 358 .matches = { 359 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), 360 DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Legion Go 8APU1"), 361 }, 362 .driver_data = (void *)&lcd1600x2560_leftside_up, 363 }, { /* Lenovo Yoga Book X90F / X90L */ 364 .matches = { 365 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Intel Corporation"), 366 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "CHERRYVIEW D1 PLATFORM"), 367 DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "YETI-11"), 368 }, 369 .driver_data = (void *)&lcd1200x1920_rightside_up, 370 }, { /* Lenovo Yoga Book X91F / X91L */ 371 .matches = { 372 /* Non exact match to match F + L versions */ 373 DMI_MATCH(DMI_PRODUCT_NAME, "Lenovo YB1-X91"), 374 }, 375 .driver_data = (void *)&lcd1200x1920_rightside_up, 376 }, { /* Lenovo Yoga Tablet 2 830F / 830L */ 377 .matches = { 378 /* 379 * Note this also matches the Lenovo Yoga Tablet 2 1050F/L 380 * since that uses the same mainboard. The resolution match 381 * will limit this to only matching on the 830F/L. Neither has 382 * any external video outputs so those are not a concern. 383 */ 384 DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp."), 385 DMI_MATCH(DMI_PRODUCT_NAME, "VALLEYVIEW C0 PLATFORM"), 386 DMI_MATCH(DMI_BOARD_NAME, "BYT-T FFD8"), 387 /* Partial match on beginning of BIOS version */ 388 DMI_MATCH(DMI_BIOS_VERSION, "BLADE_21"), 389 }, 390 .driver_data = (void *)&lcd1200x1920_rightside_up, 391 }, { /* Lenovo Yoga Tab 3 X90F */ 392 .matches = { 393 DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"), 394 DMI_MATCH(DMI_PRODUCT_NAME, "CHERRYVIEW D1 PLATFORM"), 395 DMI_MATCH(DMI_PRODUCT_VERSION, "Blade3-10A-001"), 396 }, 397 .driver_data = (void *)&lcd1600x2560_rightside_up, 398 }, { /* Nanote UMPC-01 */ 399 .matches = { 400 DMI_MATCH(DMI_SYS_VENDOR, "RWC CO.,LTD"), 401 DMI_MATCH(DMI_PRODUCT_NAME, "UMPC-01"), 402 }, 403 .driver_data = (void *)&lcd1200x1920_rightside_up, 404 }, { /* OneGX1 Pro */ 405 .matches = { 406 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "SYSTEM_MANUFACTURER"), 407 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SYSTEM_PRODUCT_NAME"), 408 DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Default string"), 409 }, 410 .driver_data = (void *)&onegx1_pro, 411 }, { /* OneXPlayer */ 412 .matches = { 413 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ONE-NETBOOK TECHNOLOGY CO., LTD."), 414 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ONE XPLAYER"), 415 }, 416 .driver_data = (void *)&lcd1600x2560_leftside_up, 417 }, { /* Samsung GalaxyBook 10.6 */ 418 .matches = { 419 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), 420 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Galaxy Book 10.6"), 421 }, 422 .driver_data = (void *)&lcd1280x1920_rightside_up, 423 }, { /* Valve Steam Deck */ 424 .matches = { 425 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Valve"), 426 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Jupiter"), 427 DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "1"), 428 }, 429 .driver_data = (void *)&lcd800x1280_rightside_up, 430 }, { /* Valve Steam Deck */ 431 .matches = { 432 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Valve"), 433 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Galileo"), 434 DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "1"), 435 }, 436 .driver_data = (void *)&lcd800x1280_rightside_up, 437 }, { /* VIOS LTH17 */ 438 .matches = { 439 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "VIOS"), 440 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "LTH17"), 441 }, 442 .driver_data = (void *)&lcd800x1280_rightside_up, 443 }, { /* One Mix 2S (generic strings, also match on bios date) */ 444 .matches = { 445 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"), 446 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"), 447 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"), 448 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Default string"), 449 }, 450 .driver_data = (void *)&gpd_onemix2s, 451 }, 452 {} 453 }; 454 455 /** 456 * drm_get_panel_orientation_quirk - Check for panel orientation quirks 457 * @width: width in pixels of the panel 458 * @height: height in pixels of the panel 459 * 460 * This function checks for platform specific (e.g. DMI based) quirks 461 * providing info on panel_orientation for systems where this cannot be 462 * probed from the hard-/firm-ware. To avoid false-positive this function 463 * takes the panel resolution as argument and checks that against the 464 * resolution expected by the quirk-table entry. 465 * 466 * Note this function is also used outside of the drm-subsys, by for example 467 * the efifb code. Because of this this function gets compiled into its own 468 * kernel-module when built as a module. 469 * 470 * Returns: 471 * A DRM_MODE_PANEL_ORIENTATION_* value if there is a quirk for this system, 472 * or DRM_MODE_PANEL_ORIENTATION_UNKNOWN if there is no quirk. 473 */ 474 int drm_get_panel_orientation_quirk(int width, int height) 475 { 476 const struct dmi_system_id *match; 477 const struct drm_dmi_panel_orientation_data *data; 478 const char *bios_date; 479 int i; 480 481 for (match = dmi_first_match(orientation_data); 482 match; 483 match = dmi_first_match(match + 1)) { 484 data = match->driver_data; 485 486 if (data->width != width || 487 data->height != height) 488 continue; 489 490 if (!data->bios_dates) 491 return data->orientation; 492 493 bios_date = dmi_get_system_info(DMI_BIOS_DATE); 494 if (!bios_date) 495 continue; 496 497 i = match_string(data->bios_dates, -1, bios_date); 498 if (i >= 0) 499 return data->orientation; 500 } 501 502 return DRM_MODE_PANEL_ORIENTATION_UNKNOWN; 503 } 504 EXPORT_SYMBOL(drm_get_panel_orientation_quirk); 505 506 #else 507 508 /* There are no quirks for non x86 devices yet */ 509 int drm_get_panel_orientation_quirk(int width, int height) 510 { 511 return DRM_MODE_PANEL_ORIENTATION_UNKNOWN; 512 } 513 EXPORT_SYMBOL(drm_get_panel_orientation_quirk); 514 515 #endif 516 517 MODULE_LICENSE("Dual MIT/GPL"); 518