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