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  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
 26struct drm_dmi_panel_orientation_data {
 27	int width;
 28	int height;
 29	const char * const *bios_dates;
 30	int orientation;
 31};
 32
 33static 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
 41static 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
 49static 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
 57static 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
 65static 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
 74static 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
 82static 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
 89static 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
 96static 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
102static 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
108static 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
114static 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
120static 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
126static 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
132static 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
138static 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
144static 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 */
449int 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}
479EXPORT_SYMBOL(drm_get_panel_orientation_quirk);
480
481#else
482
483/* There are no quirks for non x86 devices yet */
484int drm_get_panel_orientation_quirk(int width, int height)
485{
486	return DRM_MODE_PANEL_ORIENTATION_UNKNOWN;
487}
488EXPORT_SYMBOL(drm_get_panel_orientation_quirk);
489
490#endif
491
492MODULE_LICENSE("Dual MIT/GPL");