xref: /openbmc/linux/drivers/gpu/drm/drm_edid.c (revision dbf4d133)
1 /*
2  * Copyright (c) 2006 Luc Verhaegen (quirks list)
3  * Copyright (c) 2007-2008 Intel Corporation
4  *   Jesse Barnes <jesse.barnes@intel.com>
5  * Copyright 2010 Red Hat, Inc.
6  *
7  * DDC probing routines (drm_ddc_read & drm_do_probe_ddc_edid) originally from
8  * FB layer.
9  *   Copyright (C) 2006 Dennis Munsie <dmunsie@cecropia.com>
10  *
11  * Permission is hereby granted, free of charge, to any person obtaining a
12  * copy of this software and associated documentation files (the "Software"),
13  * to deal in the Software without restriction, including without limitation
14  * the rights to use, copy, modify, merge, publish, distribute, sub license,
15  * and/or sell copies of the Software, and to permit persons to whom the
16  * Software is furnished to do so, subject to the following conditions:
17  *
18  * The above copyright notice and this permission notice (including the
19  * next paragraph) shall be included in all copies or substantial portions
20  * of the Software.
21  *
22  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
23  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
25  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
26  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
27  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
28  * DEALINGS IN THE SOFTWARE.
29  */
30 
31 #include <linux/hdmi.h>
32 #include <linux/i2c.h>
33 #include <linux/kernel.h>
34 #include <linux/module.h>
35 #include <linux/slab.h>
36 #include <linux/vga_switcheroo.h>
37 
38 #include <drm/drm_displayid.h>
39 #include <drm/drm_drv.h>
40 #include <drm/drm_edid.h>
41 #include <drm/drm_encoder.h>
42 #include <drm/drm_print.h>
43 #include <drm/drm_scdc_helper.h>
44 
45 #include "drm_crtc_internal.h"
46 
47 #define version_greater(edid, maj, min) \
48 	(((edid)->version > (maj)) || \
49 	 ((edid)->version == (maj) && (edid)->revision > (min)))
50 
51 #define EDID_EST_TIMINGS 16
52 #define EDID_STD_TIMINGS 8
53 #define EDID_DETAILED_TIMINGS 4
54 
55 /*
56  * EDID blocks out in the wild have a variety of bugs, try to collect
57  * them here (note that userspace may work around broken monitors first,
58  * but fixes should make their way here so that the kernel "just works"
59  * on as many displays as possible).
60  */
61 
62 /* First detailed mode wrong, use largest 60Hz mode */
63 #define EDID_QUIRK_PREFER_LARGE_60		(1 << 0)
64 /* Reported 135MHz pixel clock is too high, needs adjustment */
65 #define EDID_QUIRK_135_CLOCK_TOO_HIGH		(1 << 1)
66 /* Prefer the largest mode at 75 Hz */
67 #define EDID_QUIRK_PREFER_LARGE_75		(1 << 2)
68 /* Detail timing is in cm not mm */
69 #define EDID_QUIRK_DETAILED_IN_CM		(1 << 3)
70 /* Detailed timing descriptors have bogus size values, so just take the
71  * maximum size and use that.
72  */
73 #define EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE	(1 << 4)
74 /* use +hsync +vsync for detailed mode */
75 #define EDID_QUIRK_DETAILED_SYNC_PP		(1 << 6)
76 /* Force reduced-blanking timings for detailed modes */
77 #define EDID_QUIRK_FORCE_REDUCED_BLANKING	(1 << 7)
78 /* Force 8bpc */
79 #define EDID_QUIRK_FORCE_8BPC			(1 << 8)
80 /* Force 12bpc */
81 #define EDID_QUIRK_FORCE_12BPC			(1 << 9)
82 /* Force 6bpc */
83 #define EDID_QUIRK_FORCE_6BPC			(1 << 10)
84 /* Force 10bpc */
85 #define EDID_QUIRK_FORCE_10BPC			(1 << 11)
86 /* Non desktop display (i.e. HMD) */
87 #define EDID_QUIRK_NON_DESKTOP			(1 << 12)
88 
89 struct detailed_mode_closure {
90 	struct drm_connector *connector;
91 	struct edid *edid;
92 	bool preferred;
93 	u32 quirks;
94 	int modes;
95 };
96 
97 #define LEVEL_DMT	0
98 #define LEVEL_GTF	1
99 #define LEVEL_GTF2	2
100 #define LEVEL_CVT	3
101 
102 static const struct edid_quirk {
103 	char vendor[4];
104 	int product_id;
105 	u32 quirks;
106 } edid_quirk_list[] = {
107 	/* Acer AL1706 */
108 	{ "ACR", 44358, EDID_QUIRK_PREFER_LARGE_60 },
109 	/* Acer F51 */
110 	{ "API", 0x7602, EDID_QUIRK_PREFER_LARGE_60 },
111 
112 	/* AEO model 0 reports 8 bpc, but is a 6 bpc panel */
113 	{ "AEO", 0, EDID_QUIRK_FORCE_6BPC },
114 
115 	/* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */
116 	{ "BOE", 0x78b, EDID_QUIRK_FORCE_6BPC },
117 
118 	/* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */
119 	{ "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC },
120 
121 	/* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */
122 	{ "SDC", 0x3652, EDID_QUIRK_FORCE_6BPC },
123 
124 	/* BOE model 0x0771 reports 8 bpc, but is a 6 bpc panel */
125 	{ "BOE", 0x0771, EDID_QUIRK_FORCE_6BPC },
126 
127 	/* Belinea 10 15 55 */
128 	{ "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 },
129 	{ "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 },
130 
131 	/* Envision Peripherals, Inc. EN-7100e */
132 	{ "EPI", 59264, EDID_QUIRK_135_CLOCK_TOO_HIGH },
133 	/* Envision EN2028 */
134 	{ "EPI", 8232, EDID_QUIRK_PREFER_LARGE_60 },
135 
136 	/* Funai Electronics PM36B */
137 	{ "FCM", 13600, EDID_QUIRK_PREFER_LARGE_75 |
138 	  EDID_QUIRK_DETAILED_IN_CM },
139 
140 	/* LGD panel of HP zBook 17 G2, eDP 10 bpc, but reports unknown bpc */
141 	{ "LGD", 764, EDID_QUIRK_FORCE_10BPC },
142 
143 	/* LG Philips LCD LP154W01-A5 */
144 	{ "LPL", 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
145 	{ "LPL", 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
146 
147 	/* Samsung SyncMaster 205BW.  Note: irony */
148 	{ "SAM", 541, EDID_QUIRK_DETAILED_SYNC_PP },
149 	/* Samsung SyncMaster 22[5-6]BW */
150 	{ "SAM", 596, EDID_QUIRK_PREFER_LARGE_60 },
151 	{ "SAM", 638, EDID_QUIRK_PREFER_LARGE_60 },
152 
153 	/* Sony PVM-2541A does up to 12 bpc, but only reports max 8 bpc */
154 	{ "SNY", 0x2541, EDID_QUIRK_FORCE_12BPC },
155 
156 	/* ViewSonic VA2026w */
157 	{ "VSC", 5020, EDID_QUIRK_FORCE_REDUCED_BLANKING },
158 
159 	/* Medion MD 30217 PG */
160 	{ "MED", 0x7b8, EDID_QUIRK_PREFER_LARGE_75 },
161 
162 	/* Lenovo G50 */
163 	{ "SDC", 18514, EDID_QUIRK_FORCE_6BPC },
164 
165 	/* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */
166 	{ "SEC", 0xd033, EDID_QUIRK_FORCE_8BPC },
167 
168 	/* Rotel RSX-1058 forwards sink's EDID but only does HDMI 1.1*/
169 	{ "ETR", 13896, EDID_QUIRK_FORCE_8BPC },
170 
171 	/* Valve Index Headset */
172 	{ "VLV", 0x91a8, EDID_QUIRK_NON_DESKTOP },
173 	{ "VLV", 0x91b0, EDID_QUIRK_NON_DESKTOP },
174 	{ "VLV", 0x91b1, EDID_QUIRK_NON_DESKTOP },
175 	{ "VLV", 0x91b2, EDID_QUIRK_NON_DESKTOP },
176 	{ "VLV", 0x91b3, EDID_QUIRK_NON_DESKTOP },
177 	{ "VLV", 0x91b4, EDID_QUIRK_NON_DESKTOP },
178 	{ "VLV", 0x91b5, EDID_QUIRK_NON_DESKTOP },
179 	{ "VLV", 0x91b6, EDID_QUIRK_NON_DESKTOP },
180 	{ "VLV", 0x91b7, EDID_QUIRK_NON_DESKTOP },
181 	{ "VLV", 0x91b8, EDID_QUIRK_NON_DESKTOP },
182 	{ "VLV", 0x91b9, EDID_QUIRK_NON_DESKTOP },
183 	{ "VLV", 0x91ba, EDID_QUIRK_NON_DESKTOP },
184 	{ "VLV", 0x91bb, EDID_QUIRK_NON_DESKTOP },
185 	{ "VLV", 0x91bc, EDID_QUIRK_NON_DESKTOP },
186 	{ "VLV", 0x91bd, EDID_QUIRK_NON_DESKTOP },
187 	{ "VLV", 0x91be, EDID_QUIRK_NON_DESKTOP },
188 	{ "VLV", 0x91bf, EDID_QUIRK_NON_DESKTOP },
189 
190 	/* HTC Vive and Vive Pro VR Headsets */
191 	{ "HVR", 0xaa01, EDID_QUIRK_NON_DESKTOP },
192 	{ "HVR", 0xaa02, EDID_QUIRK_NON_DESKTOP },
193 
194 	/* Oculus Rift DK1, DK2, and CV1 VR Headsets */
195 	{ "OVR", 0x0001, EDID_QUIRK_NON_DESKTOP },
196 	{ "OVR", 0x0003, EDID_QUIRK_NON_DESKTOP },
197 	{ "OVR", 0x0004, EDID_QUIRK_NON_DESKTOP },
198 
199 	/* Windows Mixed Reality Headsets */
200 	{ "ACR", 0x7fce, EDID_QUIRK_NON_DESKTOP },
201 	{ "HPN", 0x3515, EDID_QUIRK_NON_DESKTOP },
202 	{ "LEN", 0x0408, EDID_QUIRK_NON_DESKTOP },
203 	{ "LEN", 0xb800, EDID_QUIRK_NON_DESKTOP },
204 	{ "FUJ", 0x1970, EDID_QUIRK_NON_DESKTOP },
205 	{ "DEL", 0x7fce, EDID_QUIRK_NON_DESKTOP },
206 	{ "SEC", 0x144a, EDID_QUIRK_NON_DESKTOP },
207 	{ "AUS", 0xc102, EDID_QUIRK_NON_DESKTOP },
208 
209 	/* Sony PlayStation VR Headset */
210 	{ "SNY", 0x0704, EDID_QUIRK_NON_DESKTOP },
211 
212 	/* Sensics VR Headsets */
213 	{ "SEN", 0x1019, EDID_QUIRK_NON_DESKTOP },
214 
215 	/* OSVR HDK and HDK2 VR Headsets */
216 	{ "SVR", 0x1019, EDID_QUIRK_NON_DESKTOP },
217 };
218 
219 /*
220  * Autogenerated from the DMT spec.
221  * This table is copied from xfree86/modes/xf86EdidModes.c.
222  */
223 static const struct drm_display_mode drm_dmt_modes[] = {
224 	/* 0x01 - 640x350@85Hz */
225 	{ DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
226 		   736, 832, 0, 350, 382, 385, 445, 0,
227 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
228 	/* 0x02 - 640x400@85Hz */
229 	{ DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
230 		   736, 832, 0, 400, 401, 404, 445, 0,
231 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
232 	/* 0x03 - 720x400@85Hz */
233 	{ DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 756,
234 		   828, 936, 0, 400, 401, 404, 446, 0,
235 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
236 	/* 0x04 - 640x480@60Hz */
237 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
238 		   752, 800, 0, 480, 490, 492, 525, 0,
239 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
240 	/* 0x05 - 640x480@72Hz */
241 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
242 		   704, 832, 0, 480, 489, 492, 520, 0,
243 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
244 	/* 0x06 - 640x480@75Hz */
245 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
246 		   720, 840, 0, 480, 481, 484, 500, 0,
247 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
248 	/* 0x07 - 640x480@85Hz */
249 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 36000, 640, 696,
250 		   752, 832, 0, 480, 481, 484, 509, 0,
251 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
252 	/* 0x08 - 800x600@56Hz */
253 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
254 		   896, 1024, 0, 600, 601, 603, 625, 0,
255 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
256 	/* 0x09 - 800x600@60Hz */
257 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
258 		   968, 1056, 0, 600, 601, 605, 628, 0,
259 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
260 	/* 0x0a - 800x600@72Hz */
261 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
262 		   976, 1040, 0, 600, 637, 643, 666, 0,
263 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
264 	/* 0x0b - 800x600@75Hz */
265 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
266 		   896, 1056, 0, 600, 601, 604, 625, 0,
267 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
268 	/* 0x0c - 800x600@85Hz */
269 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 56250, 800, 832,
270 		   896, 1048, 0, 600, 601, 604, 631, 0,
271 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
272 	/* 0x0d - 800x600@120Hz RB */
273 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 73250, 800, 848,
274 		   880, 960, 0, 600, 603, 607, 636, 0,
275 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
276 	/* 0x0e - 848x480@60Hz */
277 	{ DRM_MODE("848x480", DRM_MODE_TYPE_DRIVER, 33750, 848, 864,
278 		   976, 1088, 0, 480, 486, 494, 517, 0,
279 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
280 	/* 0x0f - 1024x768@43Hz, interlace */
281 	{ DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032,
282 		   1208, 1264, 0, 768, 768, 776, 817, 0,
283 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
284 		   DRM_MODE_FLAG_INTERLACE) },
285 	/* 0x10 - 1024x768@60Hz */
286 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
287 		   1184, 1344, 0, 768, 771, 777, 806, 0,
288 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
289 	/* 0x11 - 1024x768@70Hz */
290 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
291 		   1184, 1328, 0, 768, 771, 777, 806, 0,
292 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
293 	/* 0x12 - 1024x768@75Hz */
294 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
295 		   1136, 1312, 0, 768, 769, 772, 800, 0,
296 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
297 	/* 0x13 - 1024x768@85Hz */
298 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 94500, 1024, 1072,
299 		   1168, 1376, 0, 768, 769, 772, 808, 0,
300 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
301 	/* 0x14 - 1024x768@120Hz RB */
302 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 115500, 1024, 1072,
303 		   1104, 1184, 0, 768, 771, 775, 813, 0,
304 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
305 	/* 0x15 - 1152x864@75Hz */
306 	{ DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
307 		   1344, 1600, 0, 864, 865, 868, 900, 0,
308 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
309 	/* 0x55 - 1280x720@60Hz */
310 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
311 		   1430, 1650, 0, 720, 725, 730, 750, 0,
312 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
313 	/* 0x16 - 1280x768@60Hz RB */
314 	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 68250, 1280, 1328,
315 		   1360, 1440, 0, 768, 771, 778, 790, 0,
316 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
317 	/* 0x17 - 1280x768@60Hz */
318 	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
319 		   1472, 1664, 0, 768, 771, 778, 798, 0,
320 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
321 	/* 0x18 - 1280x768@75Hz */
322 	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 102250, 1280, 1360,
323 		   1488, 1696, 0, 768, 771, 778, 805, 0,
324 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
325 	/* 0x19 - 1280x768@85Hz */
326 	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 117500, 1280, 1360,
327 		   1496, 1712, 0, 768, 771, 778, 809, 0,
328 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
329 	/* 0x1a - 1280x768@120Hz RB */
330 	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 140250, 1280, 1328,
331 		   1360, 1440, 0, 768, 771, 778, 813, 0,
332 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
333 	/* 0x1b - 1280x800@60Hz RB */
334 	{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 71000, 1280, 1328,
335 		   1360, 1440, 0, 800, 803, 809, 823, 0,
336 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
337 	/* 0x1c - 1280x800@60Hz */
338 	{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
339 		   1480, 1680, 0, 800, 803, 809, 831, 0,
340 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
341 	/* 0x1d - 1280x800@75Hz */
342 	{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 106500, 1280, 1360,
343 		   1488, 1696, 0, 800, 803, 809, 838, 0,
344 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
345 	/* 0x1e - 1280x800@85Hz */
346 	{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 122500, 1280, 1360,
347 		   1496, 1712, 0, 800, 803, 809, 843, 0,
348 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
349 	/* 0x1f - 1280x800@120Hz RB */
350 	{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 146250, 1280, 1328,
351 		   1360, 1440, 0, 800, 803, 809, 847, 0,
352 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
353 	/* 0x20 - 1280x960@60Hz */
354 	{ DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
355 		   1488, 1800, 0, 960, 961, 964, 1000, 0,
356 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
357 	/* 0x21 - 1280x960@85Hz */
358 	{ DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1344,
359 		   1504, 1728, 0, 960, 961, 964, 1011, 0,
360 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
361 	/* 0x22 - 1280x960@120Hz RB */
362 	{ DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 175500, 1280, 1328,
363 		   1360, 1440, 0, 960, 963, 967, 1017, 0,
364 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
365 	/* 0x23 - 1280x1024@60Hz */
366 	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
367 		   1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
368 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
369 	/* 0x24 - 1280x1024@75Hz */
370 	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
371 		   1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
372 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
373 	/* 0x25 - 1280x1024@85Hz */
374 	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 157500, 1280, 1344,
375 		   1504, 1728, 0, 1024, 1025, 1028, 1072, 0,
376 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
377 	/* 0x26 - 1280x1024@120Hz RB */
378 	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 187250, 1280, 1328,
379 		   1360, 1440, 0, 1024, 1027, 1034, 1084, 0,
380 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
381 	/* 0x27 - 1360x768@60Hz */
382 	{ DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
383 		   1536, 1792, 0, 768, 771, 777, 795, 0,
384 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
385 	/* 0x28 - 1360x768@120Hz RB */
386 	{ DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 148250, 1360, 1408,
387 		   1440, 1520, 0, 768, 771, 776, 813, 0,
388 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
389 	/* 0x51 - 1366x768@60Hz */
390 	{ DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 85500, 1366, 1436,
391 		   1579, 1792, 0, 768, 771, 774, 798, 0,
392 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
393 	/* 0x56 - 1366x768@60Hz */
394 	{ DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 72000, 1366, 1380,
395 		   1436, 1500, 0, 768, 769, 772, 800, 0,
396 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
397 	/* 0x29 - 1400x1050@60Hz RB */
398 	{ DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 101000, 1400, 1448,
399 		   1480, 1560, 0, 1050, 1053, 1057, 1080, 0,
400 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
401 	/* 0x2a - 1400x1050@60Hz */
402 	{ DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
403 		   1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
404 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
405 	/* 0x2b - 1400x1050@75Hz */
406 	{ DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 156000, 1400, 1504,
407 		   1648, 1896, 0, 1050, 1053, 1057, 1099, 0,
408 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
409 	/* 0x2c - 1400x1050@85Hz */
410 	{ DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 179500, 1400, 1504,
411 		   1656, 1912, 0, 1050, 1053, 1057, 1105, 0,
412 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
413 	/* 0x2d - 1400x1050@120Hz RB */
414 	{ DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 208000, 1400, 1448,
415 		   1480, 1560, 0, 1050, 1053, 1057, 1112, 0,
416 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
417 	/* 0x2e - 1440x900@60Hz RB */
418 	{ DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 88750, 1440, 1488,
419 		   1520, 1600, 0, 900, 903, 909, 926, 0,
420 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
421 	/* 0x2f - 1440x900@60Hz */
422 	{ DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
423 		   1672, 1904, 0, 900, 903, 909, 934, 0,
424 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
425 	/* 0x30 - 1440x900@75Hz */
426 	{ DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 136750, 1440, 1536,
427 		   1688, 1936, 0, 900, 903, 909, 942, 0,
428 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
429 	/* 0x31 - 1440x900@85Hz */
430 	{ DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 157000, 1440, 1544,
431 		   1696, 1952, 0, 900, 903, 909, 948, 0,
432 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
433 	/* 0x32 - 1440x900@120Hz RB */
434 	{ DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 182750, 1440, 1488,
435 		   1520, 1600, 0, 900, 903, 909, 953, 0,
436 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
437 	/* 0x53 - 1600x900@60Hz */
438 	{ DRM_MODE("1600x900", DRM_MODE_TYPE_DRIVER, 108000, 1600, 1624,
439 		   1704, 1800, 0, 900, 901, 904, 1000, 0,
440 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
441 	/* 0x33 - 1600x1200@60Hz */
442 	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
443 		   1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
444 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
445 	/* 0x34 - 1600x1200@65Hz */
446 	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 175500, 1600, 1664,
447 		   1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
448 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
449 	/* 0x35 - 1600x1200@70Hz */
450 	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 189000, 1600, 1664,
451 		   1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
452 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
453 	/* 0x36 - 1600x1200@75Hz */
454 	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 202500, 1600, 1664,
455 		   1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
456 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
457 	/* 0x37 - 1600x1200@85Hz */
458 	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 229500, 1600, 1664,
459 		   1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
460 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
461 	/* 0x38 - 1600x1200@120Hz RB */
462 	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 268250, 1600, 1648,
463 		   1680, 1760, 0, 1200, 1203, 1207, 1271, 0,
464 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
465 	/* 0x39 - 1680x1050@60Hz RB */
466 	{ DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 119000, 1680, 1728,
467 		   1760, 1840, 0, 1050, 1053, 1059, 1080, 0,
468 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
469 	/* 0x3a - 1680x1050@60Hz */
470 	{ DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
471 		   1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
472 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
473 	/* 0x3b - 1680x1050@75Hz */
474 	{ DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 187000, 1680, 1800,
475 		   1976, 2272, 0, 1050, 1053, 1059, 1099, 0,
476 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
477 	/* 0x3c - 1680x1050@85Hz */
478 	{ DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 214750, 1680, 1808,
479 		   1984, 2288, 0, 1050, 1053, 1059, 1105, 0,
480 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
481 	/* 0x3d - 1680x1050@120Hz RB */
482 	{ DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 245500, 1680, 1728,
483 		   1760, 1840, 0, 1050, 1053, 1059, 1112, 0,
484 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
485 	/* 0x3e - 1792x1344@60Hz */
486 	{ DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
487 		   2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
488 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
489 	/* 0x3f - 1792x1344@75Hz */
490 	{ DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 261000, 1792, 1888,
491 		   2104, 2456, 0, 1344, 1345, 1348, 1417, 0,
492 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
493 	/* 0x40 - 1792x1344@120Hz RB */
494 	{ DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 333250, 1792, 1840,
495 		   1872, 1952, 0, 1344, 1347, 1351, 1423, 0,
496 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
497 	/* 0x41 - 1856x1392@60Hz */
498 	{ DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
499 		   2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
500 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
501 	/* 0x42 - 1856x1392@75Hz */
502 	{ DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 288000, 1856, 1984,
503 		   2208, 2560, 0, 1392, 1393, 1396, 1500, 0,
504 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
505 	/* 0x43 - 1856x1392@120Hz RB */
506 	{ DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 356500, 1856, 1904,
507 		   1936, 2016, 0, 1392, 1395, 1399, 1474, 0,
508 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
509 	/* 0x52 - 1920x1080@60Hz */
510 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
511 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
512 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
513 	/* 0x44 - 1920x1200@60Hz RB */
514 	{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 154000, 1920, 1968,
515 		   2000, 2080, 0, 1200, 1203, 1209, 1235, 0,
516 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
517 	/* 0x45 - 1920x1200@60Hz */
518 	{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
519 		   2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
520 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
521 	/* 0x46 - 1920x1200@75Hz */
522 	{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 245250, 1920, 2056,
523 		   2264, 2608, 0, 1200, 1203, 1209, 1255, 0,
524 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
525 	/* 0x47 - 1920x1200@85Hz */
526 	{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 281250, 1920, 2064,
527 		   2272, 2624, 0, 1200, 1203, 1209, 1262, 0,
528 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
529 	/* 0x48 - 1920x1200@120Hz RB */
530 	{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 317000, 1920, 1968,
531 		   2000, 2080, 0, 1200, 1203, 1209, 1271, 0,
532 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
533 	/* 0x49 - 1920x1440@60Hz */
534 	{ DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
535 		   2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
536 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
537 	/* 0x4a - 1920x1440@75Hz */
538 	{ DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2064,
539 		   2288, 2640, 0, 1440, 1441, 1444, 1500, 0,
540 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
541 	/* 0x4b - 1920x1440@120Hz RB */
542 	{ DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 380500, 1920, 1968,
543 		   2000, 2080, 0, 1440, 1443, 1447, 1525, 0,
544 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
545 	/* 0x54 - 2048x1152@60Hz */
546 	{ DRM_MODE("2048x1152", DRM_MODE_TYPE_DRIVER, 162000, 2048, 2074,
547 		   2154, 2250, 0, 1152, 1153, 1156, 1200, 0,
548 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
549 	/* 0x4c - 2560x1600@60Hz RB */
550 	{ DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 268500, 2560, 2608,
551 		   2640, 2720, 0, 1600, 1603, 1609, 1646, 0,
552 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
553 	/* 0x4d - 2560x1600@60Hz */
554 	{ DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
555 		   3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
556 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
557 	/* 0x4e - 2560x1600@75Hz */
558 	{ DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 443250, 2560, 2768,
559 		   3048, 3536, 0, 1600, 1603, 1609, 1672, 0,
560 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
561 	/* 0x4f - 2560x1600@85Hz */
562 	{ DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 505250, 2560, 2768,
563 		   3048, 3536, 0, 1600, 1603, 1609, 1682, 0,
564 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
565 	/* 0x50 - 2560x1600@120Hz RB */
566 	{ DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 552750, 2560, 2608,
567 		   2640, 2720, 0, 1600, 1603, 1609, 1694, 0,
568 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
569 	/* 0x57 - 4096x2160@60Hz RB */
570 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556744, 4096, 4104,
571 		   4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
572 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
573 	/* 0x58 - 4096x2160@59.94Hz RB */
574 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556188, 4096, 4104,
575 		   4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
576 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
577 };
578 
579 /*
580  * These more or less come from the DMT spec.  The 720x400 modes are
581  * inferred from historical 80x25 practice.  The 640x480@67 and 832x624@75
582  * modes are old-school Mac modes.  The EDID spec says the 1152x864@75 mode
583  * should be 1152x870, again for the Mac, but instead we use the x864 DMT
584  * mode.
585  *
586  * The DMT modes have been fact-checked; the rest are mild guesses.
587  */
588 static const struct drm_display_mode edid_est_modes[] = {
589 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
590 		   968, 1056, 0, 600, 601, 605, 628, 0,
591 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@60Hz */
592 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
593 		   896, 1024, 0, 600, 601, 603,  625, 0,
594 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@56Hz */
595 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
596 		   720, 840, 0, 480, 481, 484, 500, 0,
597 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */
598 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
599 		   704,  832, 0, 480, 489, 492, 520, 0,
600 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */
601 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704,
602 		   768,  864, 0, 480, 483, 486, 525, 0,
603 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */
604 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
605 		   752, 800, 0, 480, 490, 492, 525, 0,
606 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */
607 	{ DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738,
608 		   846, 900, 0, 400, 421, 423,  449, 0,
609 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 720x400@88Hz */
610 	{ DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738,
611 		   846,  900, 0, 400, 412, 414, 449, 0,
612 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 720x400@70Hz */
613 	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
614 		   1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
615 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */
616 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
617 		   1136, 1312, 0,  768, 769, 772, 800, 0,
618 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */
619 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
620 		   1184, 1328, 0,  768, 771, 777, 806, 0,
621 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@70Hz */
622 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
623 		   1184, 1344, 0,  768, 771, 777, 806, 0,
624 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@60Hz */
625 	{ DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032,
626 		   1208, 1264, 0, 768, 768, 776, 817, 0,
627 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 1024x768@43Hz */
628 	{ DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864,
629 		   928, 1152, 0, 624, 625, 628, 667, 0,
630 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 832x624@75Hz */
631 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
632 		   896, 1056, 0, 600, 601, 604,  625, 0,
633 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@75Hz */
634 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
635 		   976, 1040, 0, 600, 637, 643, 666, 0,
636 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@72Hz */
637 	{ DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
638 		   1344, 1600, 0,  864, 865, 868, 900, 0,
639 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */
640 };
641 
642 struct minimode {
643 	short w;
644 	short h;
645 	short r;
646 	short rb;
647 };
648 
649 static const struct minimode est3_modes[] = {
650 	/* byte 6 */
651 	{ 640, 350, 85, 0 },
652 	{ 640, 400, 85, 0 },
653 	{ 720, 400, 85, 0 },
654 	{ 640, 480, 85, 0 },
655 	{ 848, 480, 60, 0 },
656 	{ 800, 600, 85, 0 },
657 	{ 1024, 768, 85, 0 },
658 	{ 1152, 864, 75, 0 },
659 	/* byte 7 */
660 	{ 1280, 768, 60, 1 },
661 	{ 1280, 768, 60, 0 },
662 	{ 1280, 768, 75, 0 },
663 	{ 1280, 768, 85, 0 },
664 	{ 1280, 960, 60, 0 },
665 	{ 1280, 960, 85, 0 },
666 	{ 1280, 1024, 60, 0 },
667 	{ 1280, 1024, 85, 0 },
668 	/* byte 8 */
669 	{ 1360, 768, 60, 0 },
670 	{ 1440, 900, 60, 1 },
671 	{ 1440, 900, 60, 0 },
672 	{ 1440, 900, 75, 0 },
673 	{ 1440, 900, 85, 0 },
674 	{ 1400, 1050, 60, 1 },
675 	{ 1400, 1050, 60, 0 },
676 	{ 1400, 1050, 75, 0 },
677 	/* byte 9 */
678 	{ 1400, 1050, 85, 0 },
679 	{ 1680, 1050, 60, 1 },
680 	{ 1680, 1050, 60, 0 },
681 	{ 1680, 1050, 75, 0 },
682 	{ 1680, 1050, 85, 0 },
683 	{ 1600, 1200, 60, 0 },
684 	{ 1600, 1200, 65, 0 },
685 	{ 1600, 1200, 70, 0 },
686 	/* byte 10 */
687 	{ 1600, 1200, 75, 0 },
688 	{ 1600, 1200, 85, 0 },
689 	{ 1792, 1344, 60, 0 },
690 	{ 1792, 1344, 75, 0 },
691 	{ 1856, 1392, 60, 0 },
692 	{ 1856, 1392, 75, 0 },
693 	{ 1920, 1200, 60, 1 },
694 	{ 1920, 1200, 60, 0 },
695 	/* byte 11 */
696 	{ 1920, 1200, 75, 0 },
697 	{ 1920, 1200, 85, 0 },
698 	{ 1920, 1440, 60, 0 },
699 	{ 1920, 1440, 75, 0 },
700 };
701 
702 static const struct minimode extra_modes[] = {
703 	{ 1024, 576,  60, 0 },
704 	{ 1366, 768,  60, 0 },
705 	{ 1600, 900,  60, 0 },
706 	{ 1680, 945,  60, 0 },
707 	{ 1920, 1080, 60, 0 },
708 	{ 2048, 1152, 60, 0 },
709 	{ 2048, 1536, 60, 0 },
710 };
711 
712 /*
713  * From CEA/CTA-861 spec.
714  *
715  * Do not access directly, instead always use cea_mode_for_vic().
716  */
717 static const struct drm_display_mode edid_cea_modes_1[] = {
718 	/* 1 - 640x480@60Hz 4:3 */
719 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
720 		   752, 800, 0, 480, 490, 492, 525, 0,
721 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
722 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
723 	/* 2 - 720x480@60Hz 4:3 */
724 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
725 		   798, 858, 0, 480, 489, 495, 525, 0,
726 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
727 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
728 	/* 3 - 720x480@60Hz 16:9 */
729 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
730 		   798, 858, 0, 480, 489, 495, 525, 0,
731 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
732 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
733 	/* 4 - 1280x720@60Hz 16:9 */
734 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
735 		   1430, 1650, 0, 720, 725, 730, 750, 0,
736 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
737 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
738 	/* 5 - 1920x1080i@60Hz 16:9 */
739 	{ DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
740 		   2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
741 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
742 		   DRM_MODE_FLAG_INTERLACE),
743 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
744 	/* 6 - 720(1440)x480i@60Hz 4:3 */
745 	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
746 		   801, 858, 0, 480, 488, 494, 525, 0,
747 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
748 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
749 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
750 	/* 7 - 720(1440)x480i@60Hz 16:9 */
751 	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
752 		   801, 858, 0, 480, 488, 494, 525, 0,
753 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
754 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
755 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
756 	/* 8 - 720(1440)x240@60Hz 4:3 */
757 	{ DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
758 		   801, 858, 0, 240, 244, 247, 262, 0,
759 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
760 		   DRM_MODE_FLAG_DBLCLK),
761 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
762 	/* 9 - 720(1440)x240@60Hz 16:9 */
763 	{ DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
764 		   801, 858, 0, 240, 244, 247, 262, 0,
765 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
766 		   DRM_MODE_FLAG_DBLCLK),
767 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
768 	/* 10 - 2880x480i@60Hz 4:3 */
769 	{ DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
770 		   3204, 3432, 0, 480, 488, 494, 525, 0,
771 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
772 		   DRM_MODE_FLAG_INTERLACE),
773 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
774 	/* 11 - 2880x480i@60Hz 16:9 */
775 	{ DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
776 		   3204, 3432, 0, 480, 488, 494, 525, 0,
777 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
778 		   DRM_MODE_FLAG_INTERLACE),
779 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
780 	/* 12 - 2880x240@60Hz 4:3 */
781 	{ DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
782 		   3204, 3432, 0, 240, 244, 247, 262, 0,
783 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
784 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
785 	/* 13 - 2880x240@60Hz 16:9 */
786 	{ DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
787 		   3204, 3432, 0, 240, 244, 247, 262, 0,
788 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
789 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
790 	/* 14 - 1440x480@60Hz 4:3 */
791 	{ DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
792 		   1596, 1716, 0, 480, 489, 495, 525, 0,
793 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
794 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
795 	/* 15 - 1440x480@60Hz 16:9 */
796 	{ DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
797 		   1596, 1716, 0, 480, 489, 495, 525, 0,
798 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
799 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
800 	/* 16 - 1920x1080@60Hz 16:9 */
801 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
802 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
803 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
804 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
805 	/* 17 - 720x576@50Hz 4:3 */
806 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
807 		   796, 864, 0, 576, 581, 586, 625, 0,
808 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
809 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
810 	/* 18 - 720x576@50Hz 16:9 */
811 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
812 		   796, 864, 0, 576, 581, 586, 625, 0,
813 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
814 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
815 	/* 19 - 1280x720@50Hz 16:9 */
816 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
817 		   1760, 1980, 0, 720, 725, 730, 750, 0,
818 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
819 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
820 	/* 20 - 1920x1080i@50Hz 16:9 */
821 	{ DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
822 		   2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
823 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
824 		   DRM_MODE_FLAG_INTERLACE),
825 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
826 	/* 21 - 720(1440)x576i@50Hz 4:3 */
827 	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
828 		   795, 864, 0, 576, 580, 586, 625, 0,
829 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
830 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
831 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
832 	/* 22 - 720(1440)x576i@50Hz 16:9 */
833 	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
834 		   795, 864, 0, 576, 580, 586, 625, 0,
835 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
836 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
837 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
838 	/* 23 - 720(1440)x288@50Hz 4:3 */
839 	{ DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
840 		   795, 864, 0, 288, 290, 293, 312, 0,
841 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
842 		   DRM_MODE_FLAG_DBLCLK),
843 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
844 	/* 24 - 720(1440)x288@50Hz 16:9 */
845 	{ DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
846 		   795, 864, 0, 288, 290, 293, 312, 0,
847 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
848 		   DRM_MODE_FLAG_DBLCLK),
849 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
850 	/* 25 - 2880x576i@50Hz 4:3 */
851 	{ DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
852 		   3180, 3456, 0, 576, 580, 586, 625, 0,
853 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
854 		   DRM_MODE_FLAG_INTERLACE),
855 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
856 	/* 26 - 2880x576i@50Hz 16:9 */
857 	{ DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
858 		   3180, 3456, 0, 576, 580, 586, 625, 0,
859 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
860 		   DRM_MODE_FLAG_INTERLACE),
861 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
862 	/* 27 - 2880x288@50Hz 4:3 */
863 	{ DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
864 		   3180, 3456, 0, 288, 290, 293, 312, 0,
865 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
866 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
867 	/* 28 - 2880x288@50Hz 16:9 */
868 	{ DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
869 		   3180, 3456, 0, 288, 290, 293, 312, 0,
870 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
871 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
872 	/* 29 - 1440x576@50Hz 4:3 */
873 	{ DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
874 		   1592, 1728, 0, 576, 581, 586, 625, 0,
875 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
876 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
877 	/* 30 - 1440x576@50Hz 16:9 */
878 	{ DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
879 		   1592, 1728, 0, 576, 581, 586, 625, 0,
880 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
881 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
882 	/* 31 - 1920x1080@50Hz 16:9 */
883 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
884 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
885 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
886 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
887 	/* 32 - 1920x1080@24Hz 16:9 */
888 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
889 		   2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
890 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
891 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
892 	/* 33 - 1920x1080@25Hz 16:9 */
893 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
894 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
895 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
896 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
897 	/* 34 - 1920x1080@30Hz 16:9 */
898 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
899 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
900 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
901 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
902 	/* 35 - 2880x480@60Hz 4:3 */
903 	{ DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
904 		   3192, 3432, 0, 480, 489, 495, 525, 0,
905 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
906 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
907 	/* 36 - 2880x480@60Hz 16:9 */
908 	{ DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
909 		   3192, 3432, 0, 480, 489, 495, 525, 0,
910 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
911 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
912 	/* 37 - 2880x576@50Hz 4:3 */
913 	{ DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
914 		   3184, 3456, 0, 576, 581, 586, 625, 0,
915 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
916 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
917 	/* 38 - 2880x576@50Hz 16:9 */
918 	{ DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
919 		   3184, 3456, 0, 576, 581, 586, 625, 0,
920 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
921 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
922 	/* 39 - 1920x1080i@50Hz 16:9 */
923 	{ DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 72000, 1920, 1952,
924 		   2120, 2304, 0, 1080, 1126, 1136, 1250, 0,
925 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC |
926 		   DRM_MODE_FLAG_INTERLACE),
927 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
928 	/* 40 - 1920x1080i@100Hz 16:9 */
929 	{ DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
930 		   2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
931 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
932 		   DRM_MODE_FLAG_INTERLACE),
933 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
934 	/* 41 - 1280x720@100Hz 16:9 */
935 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
936 		   1760, 1980, 0, 720, 725, 730, 750, 0,
937 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
938 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
939 	/* 42 - 720x576@100Hz 4:3 */
940 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
941 		   796, 864, 0, 576, 581, 586, 625, 0,
942 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
943 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
944 	/* 43 - 720x576@100Hz 16:9 */
945 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
946 		   796, 864, 0, 576, 581, 586, 625, 0,
947 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
948 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
949 	/* 44 - 720(1440)x576i@100Hz 4:3 */
950 	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
951 		   795, 864, 0, 576, 580, 586, 625, 0,
952 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
953 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
954 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
955 	/* 45 - 720(1440)x576i@100Hz 16:9 */
956 	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
957 		   795, 864, 0, 576, 580, 586, 625, 0,
958 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
959 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
960 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
961 	/* 46 - 1920x1080i@120Hz 16:9 */
962 	{ DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
963 		   2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
964 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
965 		   DRM_MODE_FLAG_INTERLACE),
966 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
967 	/* 47 - 1280x720@120Hz 16:9 */
968 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
969 		   1430, 1650, 0, 720, 725, 730, 750, 0,
970 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
971 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
972 	/* 48 - 720x480@120Hz 4:3 */
973 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
974 		   798, 858, 0, 480, 489, 495, 525, 0,
975 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
976 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
977 	/* 49 - 720x480@120Hz 16:9 */
978 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
979 		   798, 858, 0, 480, 489, 495, 525, 0,
980 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
981 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
982 	/* 50 - 720(1440)x480i@120Hz 4:3 */
983 	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
984 		   801, 858, 0, 480, 488, 494, 525, 0,
985 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
986 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
987 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
988 	/* 51 - 720(1440)x480i@120Hz 16:9 */
989 	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
990 		   801, 858, 0, 480, 488, 494, 525, 0,
991 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
992 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
993 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
994 	/* 52 - 720x576@200Hz 4:3 */
995 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
996 		   796, 864, 0, 576, 581, 586, 625, 0,
997 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
998 	  .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
999 	/* 53 - 720x576@200Hz 16:9 */
1000 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
1001 		   796, 864, 0, 576, 581, 586, 625, 0,
1002 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1003 	  .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1004 	/* 54 - 720(1440)x576i@200Hz 4:3 */
1005 	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1006 		   795, 864, 0, 576, 580, 586, 625, 0,
1007 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1008 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1009 	  .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1010 	/* 55 - 720(1440)x576i@200Hz 16:9 */
1011 	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1012 		   795, 864, 0, 576, 580, 586, 625, 0,
1013 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1014 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1015 	  .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1016 	/* 56 - 720x480@240Hz 4:3 */
1017 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1018 		   798, 858, 0, 480, 489, 495, 525, 0,
1019 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1020 	  .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1021 	/* 57 - 720x480@240Hz 16:9 */
1022 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1023 		   798, 858, 0, 480, 489, 495, 525, 0,
1024 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1025 	  .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1026 	/* 58 - 720(1440)x480i@240Hz 4:3 */
1027 	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1028 		   801, 858, 0, 480, 488, 494, 525, 0,
1029 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1030 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1031 	  .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1032 	/* 59 - 720(1440)x480i@240Hz 16:9 */
1033 	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1034 		   801, 858, 0, 480, 488, 494, 525, 0,
1035 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1036 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1037 	  .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1038 	/* 60 - 1280x720@24Hz 16:9 */
1039 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1040 		   3080, 3300, 0, 720, 725, 730, 750, 0,
1041 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1042 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1043 	/* 61 - 1280x720@25Hz 16:9 */
1044 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1045 		   3740, 3960, 0, 720, 725, 730, 750, 0,
1046 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1047 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1048 	/* 62 - 1280x720@30Hz 16:9 */
1049 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1050 		   3080, 3300, 0, 720, 725, 730, 750, 0,
1051 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1052 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1053 	/* 63 - 1920x1080@120Hz 16:9 */
1054 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1055 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1056 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1057 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1058 	/* 64 - 1920x1080@100Hz 16:9 */
1059 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1060 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1061 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1062 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1063 	/* 65 - 1280x720@24Hz 64:27 */
1064 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1065 		   3080, 3300, 0, 720, 725, 730, 750, 0,
1066 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1067 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1068 	/* 66 - 1280x720@25Hz 64:27 */
1069 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1070 		   3740, 3960, 0, 720, 725, 730, 750, 0,
1071 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1072 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1073 	/* 67 - 1280x720@30Hz 64:27 */
1074 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1075 		   3080, 3300, 0, 720, 725, 730, 750, 0,
1076 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1077 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1078 	/* 68 - 1280x720@50Hz 64:27 */
1079 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
1080 		   1760, 1980, 0, 720, 725, 730, 750, 0,
1081 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1082 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1083 	/* 69 - 1280x720@60Hz 64:27 */
1084 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
1085 		   1430, 1650, 0, 720, 725, 730, 750, 0,
1086 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1087 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1088 	/* 70 - 1280x720@100Hz 64:27 */
1089 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
1090 		   1760, 1980, 0, 720, 725, 730, 750, 0,
1091 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1092 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1093 	/* 71 - 1280x720@120Hz 64:27 */
1094 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
1095 		   1430, 1650, 0, 720, 725, 730, 750, 0,
1096 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1097 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1098 	/* 72 - 1920x1080@24Hz 64:27 */
1099 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
1100 		   2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1101 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1102 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1103 	/* 73 - 1920x1080@25Hz 64:27 */
1104 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
1105 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1106 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1107 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1108 	/* 74 - 1920x1080@30Hz 64:27 */
1109 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
1110 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1111 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1112 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1113 	/* 75 - 1920x1080@50Hz 64:27 */
1114 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
1115 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1116 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1117 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1118 	/* 76 - 1920x1080@60Hz 64:27 */
1119 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
1120 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1121 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1122 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1123 	/* 77 - 1920x1080@100Hz 64:27 */
1124 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1125 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1126 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1127 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1128 	/* 78 - 1920x1080@120Hz 64:27 */
1129 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1130 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1131 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1132 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1133 	/* 79 - 1680x720@24Hz 64:27 */
1134 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 3040,
1135 		   3080, 3300, 0, 720, 725, 730, 750, 0,
1136 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1137 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1138 	/* 80 - 1680x720@25Hz 64:27 */
1139 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2908,
1140 		   2948, 3168, 0, 720, 725, 730, 750, 0,
1141 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1142 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1143 	/* 81 - 1680x720@30Hz 64:27 */
1144 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2380,
1145 		   2420, 2640, 0, 720, 725, 730, 750, 0,
1146 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1147 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1148 	/* 82 - 1680x720@50Hz 64:27 */
1149 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 82500, 1680, 1940,
1150 		   1980, 2200, 0, 720, 725, 730, 750, 0,
1151 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1152 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1153 	/* 83 - 1680x720@60Hz 64:27 */
1154 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 1940,
1155 		   1980, 2200, 0, 720, 725, 730, 750, 0,
1156 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1157 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1158 	/* 84 - 1680x720@100Hz 64:27 */
1159 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 165000, 1680, 1740,
1160 		   1780, 2000, 0, 720, 725, 730, 825, 0,
1161 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1162 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1163 	/* 85 - 1680x720@120Hz 64:27 */
1164 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 198000, 1680, 1740,
1165 		   1780, 2000, 0, 720, 725, 730, 825, 0,
1166 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1167 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1168 	/* 86 - 2560x1080@24Hz 64:27 */
1169 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 99000, 2560, 3558,
1170 		   3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1171 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1172 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1173 	/* 87 - 2560x1080@25Hz 64:27 */
1174 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 90000, 2560, 3008,
1175 		   3052, 3200, 0, 1080, 1084, 1089, 1125, 0,
1176 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1177 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1178 	/* 88 - 2560x1080@30Hz 64:27 */
1179 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 118800, 2560, 3328,
1180 		   3372, 3520, 0, 1080, 1084, 1089, 1125, 0,
1181 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1182 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1183 	/* 89 - 2560x1080@50Hz 64:27 */
1184 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 185625, 2560, 3108,
1185 		   3152, 3300, 0, 1080, 1084, 1089, 1125, 0,
1186 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1187 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1188 	/* 90 - 2560x1080@60Hz 64:27 */
1189 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 2808,
1190 		   2852, 3000, 0, 1080, 1084, 1089, 1100, 0,
1191 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1192 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1193 	/* 91 - 2560x1080@100Hz 64:27 */
1194 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 371250, 2560, 2778,
1195 		   2822, 2970, 0, 1080, 1084, 1089, 1250, 0,
1196 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1197 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1198 	/* 92 - 2560x1080@120Hz 64:27 */
1199 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 495000, 2560, 3108,
1200 		   3152, 3300, 0, 1080, 1084, 1089, 1250, 0,
1201 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1202 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1203 	/* 93 - 3840x2160@24Hz 16:9 */
1204 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1205 		   5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1206 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1207 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1208 	/* 94 - 3840x2160@25Hz 16:9 */
1209 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1210 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1211 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1212 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1213 	/* 95 - 3840x2160@30Hz 16:9 */
1214 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1215 		   4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1216 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1217 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1218 	/* 96 - 3840x2160@50Hz 16:9 */
1219 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1220 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1221 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1222 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1223 	/* 97 - 3840x2160@60Hz 16:9 */
1224 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1225 		   4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1226 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1227 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1228 	/* 98 - 4096x2160@24Hz 256:135 */
1229 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5116,
1230 		   5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1231 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1232 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1233 	/* 99 - 4096x2160@25Hz 256:135 */
1234 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5064,
1235 		   5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1236 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1237 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1238 	/* 100 - 4096x2160@30Hz 256:135 */
1239 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 4184,
1240 		   4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1241 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1242 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1243 	/* 101 - 4096x2160@50Hz 256:135 */
1244 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5064,
1245 		   5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1246 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1247 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1248 	/* 102 - 4096x2160@60Hz 256:135 */
1249 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 4184,
1250 		   4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1251 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1252 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1253 	/* 103 - 3840x2160@24Hz 64:27 */
1254 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1255 		   5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1256 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1257 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1258 	/* 104 - 3840x2160@25Hz 64:27 */
1259 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1260 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1261 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1262 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1263 	/* 105 - 3840x2160@30Hz 64:27 */
1264 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1265 		   4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1266 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1267 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1268 	/* 106 - 3840x2160@50Hz 64:27 */
1269 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1270 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1271 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1272 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1273 	/* 107 - 3840x2160@60Hz 64:27 */
1274 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1275 		   4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1276 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1277 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1278 	/* 108 - 1280x720@48Hz 16:9 */
1279 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1280 		   2280, 2500, 0, 720, 725, 730, 750, 0,
1281 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1282 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1283 	/* 109 - 1280x720@48Hz 64:27 */
1284 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1285 		   2280, 2500, 0, 720, 725, 730, 750, 0,
1286 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1287 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1288 	/* 110 - 1680x720@48Hz 64:27 */
1289 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 2490,
1290 		   2530, 2750, 0, 720, 725, 730, 750, 0,
1291 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1292 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1293 	/* 111 - 1920x1080@48Hz 16:9 */
1294 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1295 		   2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1296 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1297 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1298 	/* 112 - 1920x1080@48Hz 64:27 */
1299 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1300 		   2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1301 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1302 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1303 	/* 113 - 2560x1080@48Hz 64:27 */
1304 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 3558,
1305 		   3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1306 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1307 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1308 	/* 114 - 3840x2160@48Hz 16:9 */
1309 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1310 		   5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1311 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1312 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1313 	/* 115 - 4096x2160@48Hz 256:135 */
1314 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5116,
1315 		   5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1316 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1317 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1318 	/* 116 - 3840x2160@48Hz 64:27 */
1319 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1320 		   5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1321 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1322 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1323 	/* 117 - 3840x2160@100Hz 16:9 */
1324 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1325 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1326 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1327 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1328 	/* 118 - 3840x2160@120Hz 16:9 */
1329 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1330 		   4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1331 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1332 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1333 	/* 119 - 3840x2160@100Hz 64:27 */
1334 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1335 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1336 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1337 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1338 	/* 120 - 3840x2160@120Hz 64:27 */
1339 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1340 		   4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1341 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1342 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1343 	/* 121 - 5120x2160@24Hz 64:27 */
1344 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 7116,
1345 		   7204, 7500, 0, 2160, 2168, 2178, 2200, 0,
1346 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1347 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1348 	/* 122 - 5120x2160@25Hz 64:27 */
1349 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 6816,
1350 		   6904, 7200, 0, 2160, 2168, 2178, 2200, 0,
1351 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1352 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1353 	/* 123 - 5120x2160@30Hz 64:27 */
1354 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 5784,
1355 		   5872, 6000, 0, 2160, 2168, 2178, 2200, 0,
1356 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1357 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1358 	/* 124 - 5120x2160@48Hz 64:27 */
1359 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5866,
1360 		   5954, 6250, 0, 2160, 2168, 2178, 2475, 0,
1361 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1362 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1363 	/* 125 - 5120x2160@50Hz 64:27 */
1364 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 6216,
1365 		   6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1366 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1367 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1368 	/* 126 - 5120x2160@60Hz 64:27 */
1369 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5284,
1370 		   5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1371 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1372 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1373 	/* 127 - 5120x2160@100Hz 64:27 */
1374 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 6216,
1375 		   6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1376 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1377 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1378 };
1379 
1380 /*
1381  * From CEA/CTA-861 spec.
1382  *
1383  * Do not access directly, instead always use cea_mode_for_vic().
1384  */
1385 static const struct drm_display_mode edid_cea_modes_193[] = {
1386 	/* 193 - 5120x2160@120Hz 64:27 */
1387 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 5284,
1388 		   5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1389 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1390 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1391 	/* 194 - 7680x4320@24Hz 16:9 */
1392 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1393 		   10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1394 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1395 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1396 	/* 195 - 7680x4320@25Hz 16:9 */
1397 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1398 		   10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1399 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1400 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1401 	/* 196 - 7680x4320@30Hz 16:9 */
1402 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1403 		   8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1404 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1405 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1406 	/* 197 - 7680x4320@48Hz 16:9 */
1407 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1408 		   10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1409 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1410 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1411 	/* 198 - 7680x4320@50Hz 16:9 */
1412 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1413 		   10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1414 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1415 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1416 	/* 199 - 7680x4320@60Hz 16:9 */
1417 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1418 		   8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1419 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1420 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1421 	/* 200 - 7680x4320@100Hz 16:9 */
1422 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1423 		   9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1424 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1425 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1426 	/* 201 - 7680x4320@120Hz 16:9 */
1427 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1428 		   8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1429 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1430 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1431 	/* 202 - 7680x4320@24Hz 64:27 */
1432 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1433 		   10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1434 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1435 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1436 	/* 203 - 7680x4320@25Hz 64:27 */
1437 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1438 		   10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1439 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1440 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1441 	/* 204 - 7680x4320@30Hz 64:27 */
1442 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1443 		   8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1444 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1445 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1446 	/* 205 - 7680x4320@48Hz 64:27 */
1447 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1448 		   10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1449 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1450 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1451 	/* 206 - 7680x4320@50Hz 64:27 */
1452 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1453 		   10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1454 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1455 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1456 	/* 207 - 7680x4320@60Hz 64:27 */
1457 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1458 		   8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1459 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1460 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1461 	/* 208 - 7680x4320@100Hz 64:27 */
1462 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1463 		   9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1464 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1465 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1466 	/* 209 - 7680x4320@120Hz 64:27 */
1467 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1468 		   8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1469 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1470 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1471 	/* 210 - 10240x4320@24Hz 64:27 */
1472 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 11732,
1473 		   11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1474 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1475 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1476 	/* 211 - 10240x4320@25Hz 64:27 */
1477 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 12732,
1478 		   12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1479 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1480 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1481 	/* 212 - 10240x4320@30Hz 64:27 */
1482 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 10528,
1483 		   10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1484 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1485 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1486 	/* 213 - 10240x4320@48Hz 64:27 */
1487 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 11732,
1488 		   11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1489 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1490 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1491 	/* 214 - 10240x4320@50Hz 64:27 */
1492 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 12732,
1493 		   12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1494 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1495 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1496 	/* 215 - 10240x4320@60Hz 64:27 */
1497 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 10528,
1498 		   10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1499 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1500 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1501 	/* 216 - 10240x4320@100Hz 64:27 */
1502 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 12432,
1503 		   12608, 13200, 0, 4320, 4336, 4356, 4500, 0,
1504 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1505 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1506 	/* 217 - 10240x4320@120Hz 64:27 */
1507 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 10528,
1508 		   10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1509 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1510 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1511 	/* 218 - 4096x2160@100Hz 256:135 */
1512 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4896,
1513 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1514 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1515 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1516 	/* 219 - 4096x2160@120Hz 256:135 */
1517 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4184,
1518 		   4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1519 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1520 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1521 };
1522 
1523 /*
1524  * HDMI 1.4 4k modes. Index using the VIC.
1525  */
1526 static const struct drm_display_mode edid_4k_modes[] = {
1527 	/* 0 - dummy, VICs start at 1 */
1528 	{ },
1529 	/* 1 - 3840x2160@30Hz */
1530 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1531 		   3840, 4016, 4104, 4400, 0,
1532 		   2160, 2168, 2178, 2250, 0,
1533 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1534 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1535 	/* 2 - 3840x2160@25Hz */
1536 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1537 		   3840, 4896, 4984, 5280, 0,
1538 		   2160, 2168, 2178, 2250, 0,
1539 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1540 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1541 	/* 3 - 3840x2160@24Hz */
1542 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1543 		   3840, 5116, 5204, 5500, 0,
1544 		   2160, 2168, 2178, 2250, 0,
1545 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1546 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1547 	/* 4 - 4096x2160@24Hz (SMPTE) */
1548 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000,
1549 		   4096, 5116, 5204, 5500, 0,
1550 		   2160, 2168, 2178, 2250, 0,
1551 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1552 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1553 };
1554 
1555 /*** DDC fetch and block validation ***/
1556 
1557 static const u8 edid_header[] = {
1558 	0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
1559 };
1560 
1561 /**
1562  * drm_edid_header_is_valid - sanity check the header of the base EDID block
1563  * @raw_edid: pointer to raw base EDID block
1564  *
1565  * Sanity check the header of the base EDID block.
1566  *
1567  * Return: 8 if the header is perfect, down to 0 if it's totally wrong.
1568  */
1569 int drm_edid_header_is_valid(const u8 *raw_edid)
1570 {
1571 	int i, score = 0;
1572 
1573 	for (i = 0; i < sizeof(edid_header); i++)
1574 		if (raw_edid[i] == edid_header[i])
1575 			score++;
1576 
1577 	return score;
1578 }
1579 EXPORT_SYMBOL(drm_edid_header_is_valid);
1580 
1581 static int edid_fixup __read_mostly = 6;
1582 module_param_named(edid_fixup, edid_fixup, int, 0400);
1583 MODULE_PARM_DESC(edid_fixup,
1584 		 "Minimum number of valid EDID header bytes (0-8, default 6)");
1585 
1586 static void drm_get_displayid(struct drm_connector *connector,
1587 			      struct edid *edid);
1588 static int validate_displayid(u8 *displayid, int length, int idx);
1589 
1590 static int drm_edid_block_checksum(const u8 *raw_edid)
1591 {
1592 	int i;
1593 	u8 csum = 0, crc = 0;
1594 
1595 	for (i = 0; i < EDID_LENGTH - 1; i++)
1596 		csum += raw_edid[i];
1597 
1598 	crc = 0x100 - csum;
1599 
1600 	return crc;
1601 }
1602 
1603 static bool drm_edid_block_checksum_diff(const u8 *raw_edid, u8 real_checksum)
1604 {
1605 	if (raw_edid[EDID_LENGTH - 1] != real_checksum)
1606 		return true;
1607 	else
1608 		return false;
1609 }
1610 
1611 static bool drm_edid_is_zero(const u8 *in_edid, int length)
1612 {
1613 	if (memchr_inv(in_edid, 0, length))
1614 		return false;
1615 
1616 	return true;
1617 }
1618 
1619 /**
1620  * drm_edid_block_valid - Sanity check the EDID block (base or extension)
1621  * @raw_edid: pointer to raw EDID block
1622  * @block: type of block to validate (0 for base, extension otherwise)
1623  * @print_bad_edid: if true, dump bad EDID blocks to the console
1624  * @edid_corrupt: if true, the header or checksum is invalid
1625  *
1626  * Validate a base or extension EDID block and optionally dump bad blocks to
1627  * the console.
1628  *
1629  * Return: True if the block is valid, false otherwise.
1630  */
1631 bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid,
1632 			  bool *edid_corrupt)
1633 {
1634 	u8 csum;
1635 	struct edid *edid = (struct edid *)raw_edid;
1636 
1637 	if (WARN_ON(!raw_edid))
1638 		return false;
1639 
1640 	if (edid_fixup > 8 || edid_fixup < 0)
1641 		edid_fixup = 6;
1642 
1643 	if (block == 0) {
1644 		int score = drm_edid_header_is_valid(raw_edid);
1645 		if (score == 8) {
1646 			if (edid_corrupt)
1647 				*edid_corrupt = false;
1648 		} else if (score >= edid_fixup) {
1649 			/* Displayport Link CTS Core 1.2 rev1.1 test 4.2.2.6
1650 			 * The corrupt flag needs to be set here otherwise, the
1651 			 * fix-up code here will correct the problem, the
1652 			 * checksum is correct and the test fails
1653 			 */
1654 			if (edid_corrupt)
1655 				*edid_corrupt = true;
1656 			DRM_DEBUG("Fixing EDID header, your hardware may be failing\n");
1657 			memcpy(raw_edid, edid_header, sizeof(edid_header));
1658 		} else {
1659 			if (edid_corrupt)
1660 				*edid_corrupt = true;
1661 			goto bad;
1662 		}
1663 	}
1664 
1665 	csum = drm_edid_block_checksum(raw_edid);
1666 	if (drm_edid_block_checksum_diff(raw_edid, csum)) {
1667 		if (edid_corrupt)
1668 			*edid_corrupt = true;
1669 
1670 		/* allow CEA to slide through, switches mangle this */
1671 		if (raw_edid[0] == CEA_EXT) {
1672 			DRM_DEBUG("EDID checksum is invalid, remainder is %d\n", csum);
1673 			DRM_DEBUG("Assuming a KVM switch modified the CEA block but left the original checksum\n");
1674 		} else {
1675 			if (print_bad_edid)
1676 				DRM_NOTE("EDID checksum is invalid, remainder is %d\n", csum);
1677 
1678 			goto bad;
1679 		}
1680 	}
1681 
1682 	/* per-block-type checks */
1683 	switch (raw_edid[0]) {
1684 	case 0: /* base */
1685 		if (edid->version != 1) {
1686 			DRM_NOTE("EDID has major version %d, instead of 1\n", edid->version);
1687 			goto bad;
1688 		}
1689 
1690 		if (edid->revision > 4)
1691 			DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n");
1692 		break;
1693 
1694 	default:
1695 		break;
1696 	}
1697 
1698 	return true;
1699 
1700 bad:
1701 	if (print_bad_edid) {
1702 		if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) {
1703 			pr_notice("EDID block is all zeroes\n");
1704 		} else {
1705 			pr_notice("Raw EDID:\n");
1706 			print_hex_dump(KERN_NOTICE,
1707 				       " \t", DUMP_PREFIX_NONE, 16, 1,
1708 				       raw_edid, EDID_LENGTH, false);
1709 		}
1710 	}
1711 	return false;
1712 }
1713 EXPORT_SYMBOL(drm_edid_block_valid);
1714 
1715 /**
1716  * drm_edid_is_valid - sanity check EDID data
1717  * @edid: EDID data
1718  *
1719  * Sanity-check an entire EDID record (including extensions)
1720  *
1721  * Return: True if the EDID data is valid, false otherwise.
1722  */
1723 bool drm_edid_is_valid(struct edid *edid)
1724 {
1725 	int i;
1726 	u8 *raw = (u8 *)edid;
1727 
1728 	if (!edid)
1729 		return false;
1730 
1731 	for (i = 0; i <= edid->extensions; i++)
1732 		if (!drm_edid_block_valid(raw + i * EDID_LENGTH, i, true, NULL))
1733 			return false;
1734 
1735 	return true;
1736 }
1737 EXPORT_SYMBOL(drm_edid_is_valid);
1738 
1739 #define DDC_SEGMENT_ADDR 0x30
1740 /**
1741  * drm_do_probe_ddc_edid() - get EDID information via I2C
1742  * @data: I2C device adapter
1743  * @buf: EDID data buffer to be filled
1744  * @block: 128 byte EDID block to start fetching from
1745  * @len: EDID data buffer length to fetch
1746  *
1747  * Try to fetch EDID information by calling I2C driver functions.
1748  *
1749  * Return: 0 on success or -1 on failure.
1750  */
1751 static int
1752 drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len)
1753 {
1754 	struct i2c_adapter *adapter = data;
1755 	unsigned char start = block * EDID_LENGTH;
1756 	unsigned char segment = block >> 1;
1757 	unsigned char xfers = segment ? 3 : 2;
1758 	int ret, retries = 5;
1759 
1760 	/*
1761 	 * The core I2C driver will automatically retry the transfer if the
1762 	 * adapter reports EAGAIN. However, we find that bit-banging transfers
1763 	 * are susceptible to errors under a heavily loaded machine and
1764 	 * generate spurious NAKs and timeouts. Retrying the transfer
1765 	 * of the individual block a few times seems to overcome this.
1766 	 */
1767 	do {
1768 		struct i2c_msg msgs[] = {
1769 			{
1770 				.addr	= DDC_SEGMENT_ADDR,
1771 				.flags	= 0,
1772 				.len	= 1,
1773 				.buf	= &segment,
1774 			}, {
1775 				.addr	= DDC_ADDR,
1776 				.flags	= 0,
1777 				.len	= 1,
1778 				.buf	= &start,
1779 			}, {
1780 				.addr	= DDC_ADDR,
1781 				.flags	= I2C_M_RD,
1782 				.len	= len,
1783 				.buf	= buf,
1784 			}
1785 		};
1786 
1787 		/*
1788 		 * Avoid sending the segment addr to not upset non-compliant
1789 		 * DDC monitors.
1790 		 */
1791 		ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers);
1792 
1793 		if (ret == -ENXIO) {
1794 			DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n",
1795 					adapter->name);
1796 			break;
1797 		}
1798 	} while (ret != xfers && --retries);
1799 
1800 	return ret == xfers ? 0 : -1;
1801 }
1802 
1803 static void connector_bad_edid(struct drm_connector *connector,
1804 			       u8 *edid, int num_blocks)
1805 {
1806 	int i;
1807 	u8 num_of_ext = edid[0x7e];
1808 
1809 	/* Calculate real checksum for the last edid extension block data */
1810 	connector->real_edid_checksum =
1811 		drm_edid_block_checksum(edid + num_of_ext * EDID_LENGTH);
1812 
1813 	if (connector->bad_edid_counter++ && !drm_debug_enabled(DRM_UT_KMS))
1814 		return;
1815 
1816 	dev_warn(connector->dev->dev,
1817 		 "%s: EDID is invalid:\n",
1818 		 connector->name);
1819 	for (i = 0; i < num_blocks; i++) {
1820 		u8 *block = edid + i * EDID_LENGTH;
1821 		char prefix[20];
1822 
1823 		if (drm_edid_is_zero(block, EDID_LENGTH))
1824 			sprintf(prefix, "\t[%02x] ZERO ", i);
1825 		else if (!drm_edid_block_valid(block, i, false, NULL))
1826 			sprintf(prefix, "\t[%02x] BAD  ", i);
1827 		else
1828 			sprintf(prefix, "\t[%02x] GOOD ", i);
1829 
1830 		print_hex_dump(KERN_WARNING,
1831 			       prefix, DUMP_PREFIX_NONE, 16, 1,
1832 			       block, EDID_LENGTH, false);
1833 	}
1834 }
1835 
1836 /* Get override or firmware EDID */
1837 static struct edid *drm_get_override_edid(struct drm_connector *connector)
1838 {
1839 	struct edid *override = NULL;
1840 
1841 	if (connector->override_edid)
1842 		override = drm_edid_duplicate(connector->edid_blob_ptr->data);
1843 
1844 	if (!override)
1845 		override = drm_load_edid_firmware(connector);
1846 
1847 	return IS_ERR(override) ? NULL : override;
1848 }
1849 
1850 /**
1851  * drm_add_override_edid_modes - add modes from override/firmware EDID
1852  * @connector: connector we're probing
1853  *
1854  * Add modes from the override/firmware EDID, if available. Only to be used from
1855  * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe
1856  * failed during drm_get_edid() and caused the override/firmware EDID to be
1857  * skipped.
1858  *
1859  * Return: The number of modes added or 0 if we couldn't find any.
1860  */
1861 int drm_add_override_edid_modes(struct drm_connector *connector)
1862 {
1863 	struct edid *override;
1864 	int num_modes = 0;
1865 
1866 	override = drm_get_override_edid(connector);
1867 	if (override) {
1868 		drm_connector_update_edid_property(connector, override);
1869 		num_modes = drm_add_edid_modes(connector, override);
1870 		kfree(override);
1871 
1872 		DRM_DEBUG_KMS("[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n",
1873 			      connector->base.id, connector->name, num_modes);
1874 	}
1875 
1876 	return num_modes;
1877 }
1878 EXPORT_SYMBOL(drm_add_override_edid_modes);
1879 
1880 /**
1881  * drm_do_get_edid - get EDID data using a custom EDID block read function
1882  * @connector: connector we're probing
1883  * @get_edid_block: EDID block read function
1884  * @data: private data passed to the block read function
1885  *
1886  * When the I2C adapter connected to the DDC bus is hidden behind a device that
1887  * exposes a different interface to read EDID blocks this function can be used
1888  * to get EDID data using a custom block read function.
1889  *
1890  * As in the general case the DDC bus is accessible by the kernel at the I2C
1891  * level, drivers must make all reasonable efforts to expose it as an I2C
1892  * adapter and use drm_get_edid() instead of abusing this function.
1893  *
1894  * The EDID may be overridden using debugfs override_edid or firmare EDID
1895  * (drm_load_edid_firmware() and drm.edid_firmware parameter), in this priority
1896  * order. Having either of them bypasses actual EDID reads.
1897  *
1898  * Return: Pointer to valid EDID or NULL if we couldn't find any.
1899  */
1900 struct edid *drm_do_get_edid(struct drm_connector *connector,
1901 	int (*get_edid_block)(void *data, u8 *buf, unsigned int block,
1902 			      size_t len),
1903 	void *data)
1904 {
1905 	int i, j = 0, valid_extensions = 0;
1906 	u8 *edid, *new;
1907 	struct edid *override;
1908 
1909 	override = drm_get_override_edid(connector);
1910 	if (override)
1911 		return override;
1912 
1913 	if ((edid = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL)
1914 		return NULL;
1915 
1916 	/* base block fetch */
1917 	for (i = 0; i < 4; i++) {
1918 		if (get_edid_block(data, edid, 0, EDID_LENGTH))
1919 			goto out;
1920 		if (drm_edid_block_valid(edid, 0, false,
1921 					 &connector->edid_corrupt))
1922 			break;
1923 		if (i == 0 && drm_edid_is_zero(edid, EDID_LENGTH)) {
1924 			connector->null_edid_counter++;
1925 			goto carp;
1926 		}
1927 	}
1928 	if (i == 4)
1929 		goto carp;
1930 
1931 	/* if there's no extensions, we're done */
1932 	valid_extensions = edid[0x7e];
1933 	if (valid_extensions == 0)
1934 		return (struct edid *)edid;
1935 
1936 	new = krealloc(edid, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL);
1937 	if (!new)
1938 		goto out;
1939 	edid = new;
1940 
1941 	for (j = 1; j <= edid[0x7e]; j++) {
1942 		u8 *block = edid + j * EDID_LENGTH;
1943 
1944 		for (i = 0; i < 4; i++) {
1945 			if (get_edid_block(data, block, j, EDID_LENGTH))
1946 				goto out;
1947 			if (drm_edid_block_valid(block, j, false, NULL))
1948 				break;
1949 		}
1950 
1951 		if (i == 4)
1952 			valid_extensions--;
1953 	}
1954 
1955 	if (valid_extensions != edid[0x7e]) {
1956 		u8 *base;
1957 
1958 		connector_bad_edid(connector, edid, edid[0x7e] + 1);
1959 
1960 		edid[EDID_LENGTH-1] += edid[0x7e] - valid_extensions;
1961 		edid[0x7e] = valid_extensions;
1962 
1963 		new = kmalloc_array(valid_extensions + 1, EDID_LENGTH,
1964 				    GFP_KERNEL);
1965 		if (!new)
1966 			goto out;
1967 
1968 		base = new;
1969 		for (i = 0; i <= edid[0x7e]; i++) {
1970 			u8 *block = edid + i * EDID_LENGTH;
1971 
1972 			if (!drm_edid_block_valid(block, i, false, NULL))
1973 				continue;
1974 
1975 			memcpy(base, block, EDID_LENGTH);
1976 			base += EDID_LENGTH;
1977 		}
1978 
1979 		kfree(edid);
1980 		edid = new;
1981 	}
1982 
1983 	return (struct edid *)edid;
1984 
1985 carp:
1986 	connector_bad_edid(connector, edid, 1);
1987 out:
1988 	kfree(edid);
1989 	return NULL;
1990 }
1991 EXPORT_SYMBOL_GPL(drm_do_get_edid);
1992 
1993 /**
1994  * drm_probe_ddc() - probe DDC presence
1995  * @adapter: I2C adapter to probe
1996  *
1997  * Return: True on success, false on failure.
1998  */
1999 bool
2000 drm_probe_ddc(struct i2c_adapter *adapter)
2001 {
2002 	unsigned char out;
2003 
2004 	return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
2005 }
2006 EXPORT_SYMBOL(drm_probe_ddc);
2007 
2008 /**
2009  * drm_get_edid - get EDID data, if available
2010  * @connector: connector we're probing
2011  * @adapter: I2C adapter to use for DDC
2012  *
2013  * Poke the given I2C channel to grab EDID data if possible.  If found,
2014  * attach it to the connector.
2015  *
2016  * Return: Pointer to valid EDID or NULL if we couldn't find any.
2017  */
2018 struct edid *drm_get_edid(struct drm_connector *connector,
2019 			  struct i2c_adapter *adapter)
2020 {
2021 	struct edid *edid;
2022 
2023 	if (connector->force == DRM_FORCE_OFF)
2024 		return NULL;
2025 
2026 	if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
2027 		return NULL;
2028 
2029 	edid = drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter);
2030 	if (edid)
2031 		drm_get_displayid(connector, edid);
2032 	return edid;
2033 }
2034 EXPORT_SYMBOL(drm_get_edid);
2035 
2036 /**
2037  * drm_get_edid_switcheroo - get EDID data for a vga_switcheroo output
2038  * @connector: connector we're probing
2039  * @adapter: I2C adapter to use for DDC
2040  *
2041  * Wrapper around drm_get_edid() for laptops with dual GPUs using one set of
2042  * outputs. The wrapper adds the requisite vga_switcheroo calls to temporarily
2043  * switch DDC to the GPU which is retrieving EDID.
2044  *
2045  * Return: Pointer to valid EDID or %NULL if we couldn't find any.
2046  */
2047 struct edid *drm_get_edid_switcheroo(struct drm_connector *connector,
2048 				     struct i2c_adapter *adapter)
2049 {
2050 	struct pci_dev *pdev = connector->dev->pdev;
2051 	struct edid *edid;
2052 
2053 	vga_switcheroo_lock_ddc(pdev);
2054 	edid = drm_get_edid(connector, adapter);
2055 	vga_switcheroo_unlock_ddc(pdev);
2056 
2057 	return edid;
2058 }
2059 EXPORT_SYMBOL(drm_get_edid_switcheroo);
2060 
2061 /**
2062  * drm_edid_duplicate - duplicate an EDID and the extensions
2063  * @edid: EDID to duplicate
2064  *
2065  * Return: Pointer to duplicated EDID or NULL on allocation failure.
2066  */
2067 struct edid *drm_edid_duplicate(const struct edid *edid)
2068 {
2069 	return kmemdup(edid, (edid->extensions + 1) * EDID_LENGTH, GFP_KERNEL);
2070 }
2071 EXPORT_SYMBOL(drm_edid_duplicate);
2072 
2073 /*** EDID parsing ***/
2074 
2075 /**
2076  * edid_vendor - match a string against EDID's obfuscated vendor field
2077  * @edid: EDID to match
2078  * @vendor: vendor string
2079  *
2080  * Returns true if @vendor is in @edid, false otherwise
2081  */
2082 static bool edid_vendor(const struct edid *edid, const char *vendor)
2083 {
2084 	char edid_vendor[3];
2085 
2086 	edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@';
2087 	edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) |
2088 			  ((edid->mfg_id[1] & 0xe0) >> 5)) + '@';
2089 	edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@';
2090 
2091 	return !strncmp(edid_vendor, vendor, 3);
2092 }
2093 
2094 /**
2095  * edid_get_quirks - return quirk flags for a given EDID
2096  * @edid: EDID to process
2097  *
2098  * This tells subsequent routines what fixes they need to apply.
2099  */
2100 static u32 edid_get_quirks(const struct edid *edid)
2101 {
2102 	const struct edid_quirk *quirk;
2103 	int i;
2104 
2105 	for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
2106 		quirk = &edid_quirk_list[i];
2107 
2108 		if (edid_vendor(edid, quirk->vendor) &&
2109 		    (EDID_PRODUCT_ID(edid) == quirk->product_id))
2110 			return quirk->quirks;
2111 	}
2112 
2113 	return 0;
2114 }
2115 
2116 #define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
2117 #define MODE_REFRESH_DIFF(c,t) (abs((c) - (t)))
2118 
2119 /**
2120  * edid_fixup_preferred - set preferred modes based on quirk list
2121  * @connector: has mode list to fix up
2122  * @quirks: quirks list
2123  *
2124  * Walk the mode list for @connector, clearing the preferred status
2125  * on existing modes and setting it anew for the right mode ala @quirks.
2126  */
2127 static void edid_fixup_preferred(struct drm_connector *connector,
2128 				 u32 quirks)
2129 {
2130 	struct drm_display_mode *t, *cur_mode, *preferred_mode;
2131 	int target_refresh = 0;
2132 	int cur_vrefresh, preferred_vrefresh;
2133 
2134 	if (list_empty(&connector->probed_modes))
2135 		return;
2136 
2137 	if (quirks & EDID_QUIRK_PREFER_LARGE_60)
2138 		target_refresh = 60;
2139 	if (quirks & EDID_QUIRK_PREFER_LARGE_75)
2140 		target_refresh = 75;
2141 
2142 	preferred_mode = list_first_entry(&connector->probed_modes,
2143 					  struct drm_display_mode, head);
2144 
2145 	list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) {
2146 		cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
2147 
2148 		if (cur_mode == preferred_mode)
2149 			continue;
2150 
2151 		/* Largest mode is preferred */
2152 		if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
2153 			preferred_mode = cur_mode;
2154 
2155 		cur_vrefresh = cur_mode->vrefresh ?
2156 			cur_mode->vrefresh : drm_mode_vrefresh(cur_mode);
2157 		preferred_vrefresh = preferred_mode->vrefresh ?
2158 			preferred_mode->vrefresh : drm_mode_vrefresh(preferred_mode);
2159 		/* At a given size, try to get closest to target refresh */
2160 		if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
2161 		    MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) <
2162 		    MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) {
2163 			preferred_mode = cur_mode;
2164 		}
2165 	}
2166 
2167 	preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
2168 }
2169 
2170 static bool
2171 mode_is_rb(const struct drm_display_mode *mode)
2172 {
2173 	return (mode->htotal - mode->hdisplay == 160) &&
2174 	       (mode->hsync_end - mode->hdisplay == 80) &&
2175 	       (mode->hsync_end - mode->hsync_start == 32) &&
2176 	       (mode->vsync_start - mode->vdisplay == 3);
2177 }
2178 
2179 /*
2180  * drm_mode_find_dmt - Create a copy of a mode if present in DMT
2181  * @dev: Device to duplicate against
2182  * @hsize: Mode width
2183  * @vsize: Mode height
2184  * @fresh: Mode refresh rate
2185  * @rb: Mode reduced-blanking-ness
2186  *
2187  * Walk the DMT mode list looking for a match for the given parameters.
2188  *
2189  * Return: A newly allocated copy of the mode, or NULL if not found.
2190  */
2191 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
2192 					   int hsize, int vsize, int fresh,
2193 					   bool rb)
2194 {
2195 	int i;
2196 
2197 	for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2198 		const struct drm_display_mode *ptr = &drm_dmt_modes[i];
2199 		if (hsize != ptr->hdisplay)
2200 			continue;
2201 		if (vsize != ptr->vdisplay)
2202 			continue;
2203 		if (fresh != drm_mode_vrefresh(ptr))
2204 			continue;
2205 		if (rb != mode_is_rb(ptr))
2206 			continue;
2207 
2208 		return drm_mode_duplicate(dev, ptr);
2209 	}
2210 
2211 	return NULL;
2212 }
2213 EXPORT_SYMBOL(drm_mode_find_dmt);
2214 
2215 static bool is_display_descriptor(const u8 d[18], u8 tag)
2216 {
2217 	return d[0] == 0x00 && d[1] == 0x00 &&
2218 		d[2] == 0x00 && d[3] == tag;
2219 }
2220 
2221 static bool is_detailed_timing_descriptor(const u8 d[18])
2222 {
2223 	return d[0] != 0x00 || d[1] != 0x00;
2224 }
2225 
2226 typedef void detailed_cb(struct detailed_timing *timing, void *closure);
2227 
2228 static void
2229 cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2230 {
2231 	int i, n;
2232 	u8 d = ext[0x02];
2233 	u8 *det_base = ext + d;
2234 
2235 	if (d < 4 || d > 127)
2236 		return;
2237 
2238 	n = (127 - d) / 18;
2239 	for (i = 0; i < n; i++)
2240 		cb((struct detailed_timing *)(det_base + 18 * i), closure);
2241 }
2242 
2243 static void
2244 vtb_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2245 {
2246 	unsigned int i, n = min((int)ext[0x02], 6);
2247 	u8 *det_base = ext + 5;
2248 
2249 	if (ext[0x01] != 1)
2250 		return; /* unknown version */
2251 
2252 	for (i = 0; i < n; i++)
2253 		cb((struct detailed_timing *)(det_base + 18 * i), closure);
2254 }
2255 
2256 static void
2257 drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure)
2258 {
2259 	int i;
2260 	struct edid *edid = (struct edid *)raw_edid;
2261 
2262 	if (edid == NULL)
2263 		return;
2264 
2265 	for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
2266 		cb(&(edid->detailed_timings[i]), closure);
2267 
2268 	for (i = 1; i <= raw_edid[0x7e]; i++) {
2269 		u8 *ext = raw_edid + (i * EDID_LENGTH);
2270 		switch (*ext) {
2271 		case CEA_EXT:
2272 			cea_for_each_detailed_block(ext, cb, closure);
2273 			break;
2274 		case VTB_EXT:
2275 			vtb_for_each_detailed_block(ext, cb, closure);
2276 			break;
2277 		default:
2278 			break;
2279 		}
2280 	}
2281 }
2282 
2283 static void
2284 is_rb(struct detailed_timing *t, void *data)
2285 {
2286 	u8 *r = (u8 *)t;
2287 
2288 	if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2289 		return;
2290 
2291 	if (r[15] & 0x10)
2292 		*(bool *)data = true;
2293 }
2294 
2295 /* EDID 1.4 defines this explicitly.  For EDID 1.3, we guess, badly. */
2296 static bool
2297 drm_monitor_supports_rb(struct edid *edid)
2298 {
2299 	if (edid->revision >= 4) {
2300 		bool ret = false;
2301 		drm_for_each_detailed_block((u8 *)edid, is_rb, &ret);
2302 		return ret;
2303 	}
2304 
2305 	return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
2306 }
2307 
2308 static void
2309 find_gtf2(struct detailed_timing *t, void *data)
2310 {
2311 	u8 *r = (u8 *)t;
2312 
2313 	if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2314 		return;
2315 
2316 	if (r[10] == 0x02)
2317 		*(u8 **)data = r;
2318 }
2319 
2320 /* Secondary GTF curve kicks in above some break frequency */
2321 static int
2322 drm_gtf2_hbreak(struct edid *edid)
2323 {
2324 	u8 *r = NULL;
2325 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2326 	return r ? (r[12] * 2) : 0;
2327 }
2328 
2329 static int
2330 drm_gtf2_2c(struct edid *edid)
2331 {
2332 	u8 *r = NULL;
2333 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2334 	return r ? r[13] : 0;
2335 }
2336 
2337 static int
2338 drm_gtf2_m(struct edid *edid)
2339 {
2340 	u8 *r = NULL;
2341 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2342 	return r ? (r[15] << 8) + r[14] : 0;
2343 }
2344 
2345 static int
2346 drm_gtf2_k(struct edid *edid)
2347 {
2348 	u8 *r = NULL;
2349 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2350 	return r ? r[16] : 0;
2351 }
2352 
2353 static int
2354 drm_gtf2_2j(struct edid *edid)
2355 {
2356 	u8 *r = NULL;
2357 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2358 	return r ? r[17] : 0;
2359 }
2360 
2361 /**
2362  * standard_timing_level - get std. timing level(CVT/GTF/DMT)
2363  * @edid: EDID block to scan
2364  */
2365 static int standard_timing_level(struct edid *edid)
2366 {
2367 	if (edid->revision >= 2) {
2368 		if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))
2369 			return LEVEL_CVT;
2370 		if (drm_gtf2_hbreak(edid))
2371 			return LEVEL_GTF2;
2372 		if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
2373 			return LEVEL_GTF;
2374 	}
2375 	return LEVEL_DMT;
2376 }
2377 
2378 /*
2379  * 0 is reserved.  The spec says 0x01 fill for unused timings.  Some old
2380  * monitors fill with ascii space (0x20) instead.
2381  */
2382 static int
2383 bad_std_timing(u8 a, u8 b)
2384 {
2385 	return (a == 0x00 && b == 0x00) ||
2386 	       (a == 0x01 && b == 0x01) ||
2387 	       (a == 0x20 && b == 0x20);
2388 }
2389 
2390 /**
2391  * drm_mode_std - convert standard mode info (width, height, refresh) into mode
2392  * @connector: connector of for the EDID block
2393  * @edid: EDID block to scan
2394  * @t: standard timing params
2395  *
2396  * Take the standard timing params (in this case width, aspect, and refresh)
2397  * and convert them into a real mode using CVT/GTF/DMT.
2398  */
2399 static struct drm_display_mode *
2400 drm_mode_std(struct drm_connector *connector, struct edid *edid,
2401 	     struct std_timing *t)
2402 {
2403 	struct drm_device *dev = connector->dev;
2404 	struct drm_display_mode *m, *mode = NULL;
2405 	int hsize, vsize;
2406 	int vrefresh_rate;
2407 	unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
2408 		>> EDID_TIMING_ASPECT_SHIFT;
2409 	unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
2410 		>> EDID_TIMING_VFREQ_SHIFT;
2411 	int timing_level = standard_timing_level(edid);
2412 
2413 	if (bad_std_timing(t->hsize, t->vfreq_aspect))
2414 		return NULL;
2415 
2416 	/* According to the EDID spec, the hdisplay = hsize * 8 + 248 */
2417 	hsize = t->hsize * 8 + 248;
2418 	/* vrefresh_rate = vfreq + 60 */
2419 	vrefresh_rate = vfreq + 60;
2420 	/* the vdisplay is calculated based on the aspect ratio */
2421 	if (aspect_ratio == 0) {
2422 		if (edid->revision < 3)
2423 			vsize = hsize;
2424 		else
2425 			vsize = (hsize * 10) / 16;
2426 	} else if (aspect_ratio == 1)
2427 		vsize = (hsize * 3) / 4;
2428 	else if (aspect_ratio == 2)
2429 		vsize = (hsize * 4) / 5;
2430 	else
2431 		vsize = (hsize * 9) / 16;
2432 
2433 	/* HDTV hack, part 1 */
2434 	if (vrefresh_rate == 60 &&
2435 	    ((hsize == 1360 && vsize == 765) ||
2436 	     (hsize == 1368 && vsize == 769))) {
2437 		hsize = 1366;
2438 		vsize = 768;
2439 	}
2440 
2441 	/*
2442 	 * If this connector already has a mode for this size and refresh
2443 	 * rate (because it came from detailed or CVT info), use that
2444 	 * instead.  This way we don't have to guess at interlace or
2445 	 * reduced blanking.
2446 	 */
2447 	list_for_each_entry(m, &connector->probed_modes, head)
2448 		if (m->hdisplay == hsize && m->vdisplay == vsize &&
2449 		    drm_mode_vrefresh(m) == vrefresh_rate)
2450 			return NULL;
2451 
2452 	/* HDTV hack, part 2 */
2453 	if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
2454 		mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
2455 				    false);
2456 		if (!mode)
2457 			return NULL;
2458 		mode->hdisplay = 1366;
2459 		mode->hsync_start = mode->hsync_start - 1;
2460 		mode->hsync_end = mode->hsync_end - 1;
2461 		return mode;
2462 	}
2463 
2464 	/* check whether it can be found in default mode table */
2465 	if (drm_monitor_supports_rb(edid)) {
2466 		mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate,
2467 					 true);
2468 		if (mode)
2469 			return mode;
2470 	}
2471 	mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, false);
2472 	if (mode)
2473 		return mode;
2474 
2475 	/* okay, generate it */
2476 	switch (timing_level) {
2477 	case LEVEL_DMT:
2478 		break;
2479 	case LEVEL_GTF:
2480 		mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2481 		break;
2482 	case LEVEL_GTF2:
2483 		/*
2484 		 * This is potentially wrong if there's ever a monitor with
2485 		 * more than one ranges section, each claiming a different
2486 		 * secondary GTF curve.  Please don't do that.
2487 		 */
2488 		mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2489 		if (!mode)
2490 			return NULL;
2491 		if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) {
2492 			drm_mode_destroy(dev, mode);
2493 			mode = drm_gtf_mode_complex(dev, hsize, vsize,
2494 						    vrefresh_rate, 0, 0,
2495 						    drm_gtf2_m(edid),
2496 						    drm_gtf2_2c(edid),
2497 						    drm_gtf2_k(edid),
2498 						    drm_gtf2_2j(edid));
2499 		}
2500 		break;
2501 	case LEVEL_CVT:
2502 		mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
2503 				    false);
2504 		break;
2505 	}
2506 	return mode;
2507 }
2508 
2509 /*
2510  * EDID is delightfully ambiguous about how interlaced modes are to be
2511  * encoded.  Our internal representation is of frame height, but some
2512  * HDTV detailed timings are encoded as field height.
2513  *
2514  * The format list here is from CEA, in frame size.  Technically we
2515  * should be checking refresh rate too.  Whatever.
2516  */
2517 static void
2518 drm_mode_do_interlace_quirk(struct drm_display_mode *mode,
2519 			    struct detailed_pixel_timing *pt)
2520 {
2521 	int i;
2522 	static const struct {
2523 		int w, h;
2524 	} cea_interlaced[] = {
2525 		{ 1920, 1080 },
2526 		{  720,  480 },
2527 		{ 1440,  480 },
2528 		{ 2880,  480 },
2529 		{  720,  576 },
2530 		{ 1440,  576 },
2531 		{ 2880,  576 },
2532 	};
2533 
2534 	if (!(pt->misc & DRM_EDID_PT_INTERLACED))
2535 		return;
2536 
2537 	for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) {
2538 		if ((mode->hdisplay == cea_interlaced[i].w) &&
2539 		    (mode->vdisplay == cea_interlaced[i].h / 2)) {
2540 			mode->vdisplay *= 2;
2541 			mode->vsync_start *= 2;
2542 			mode->vsync_end *= 2;
2543 			mode->vtotal *= 2;
2544 			mode->vtotal |= 1;
2545 		}
2546 	}
2547 
2548 	mode->flags |= DRM_MODE_FLAG_INTERLACE;
2549 }
2550 
2551 /**
2552  * drm_mode_detailed - create a new mode from an EDID detailed timing section
2553  * @dev: DRM device (needed to create new mode)
2554  * @edid: EDID block
2555  * @timing: EDID detailed timing info
2556  * @quirks: quirks to apply
2557  *
2558  * An EDID detailed timing block contains enough info for us to create and
2559  * return a new struct drm_display_mode.
2560  */
2561 static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
2562 						  struct edid *edid,
2563 						  struct detailed_timing *timing,
2564 						  u32 quirks)
2565 {
2566 	struct drm_display_mode *mode;
2567 	struct detailed_pixel_timing *pt = &timing->data.pixel_data;
2568 	unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo;
2569 	unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo;
2570 	unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo;
2571 	unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo;
2572 	unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo;
2573 	unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo;
2574 	unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4;
2575 	unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf);
2576 
2577 	/* ignore tiny modes */
2578 	if (hactive < 64 || vactive < 64)
2579 		return NULL;
2580 
2581 	if (pt->misc & DRM_EDID_PT_STEREO) {
2582 		DRM_DEBUG_KMS("stereo mode not supported\n");
2583 		return NULL;
2584 	}
2585 	if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) {
2586 		DRM_DEBUG_KMS("composite sync not supported\n");
2587 	}
2588 
2589 	/* it is incorrect if hsync/vsync width is zero */
2590 	if (!hsync_pulse_width || !vsync_pulse_width) {
2591 		DRM_DEBUG_KMS("Incorrect Detailed timing. "
2592 				"Wrong Hsync/Vsync pulse width\n");
2593 		return NULL;
2594 	}
2595 
2596 	if (quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) {
2597 		mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false);
2598 		if (!mode)
2599 			return NULL;
2600 
2601 		goto set_size;
2602 	}
2603 
2604 	mode = drm_mode_create(dev);
2605 	if (!mode)
2606 		return NULL;
2607 
2608 	if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
2609 		timing->pixel_clock = cpu_to_le16(1088);
2610 
2611 	mode->clock = le16_to_cpu(timing->pixel_clock) * 10;
2612 
2613 	mode->hdisplay = hactive;
2614 	mode->hsync_start = mode->hdisplay + hsync_offset;
2615 	mode->hsync_end = mode->hsync_start + hsync_pulse_width;
2616 	mode->htotal = mode->hdisplay + hblank;
2617 
2618 	mode->vdisplay = vactive;
2619 	mode->vsync_start = mode->vdisplay + vsync_offset;
2620 	mode->vsync_end = mode->vsync_start + vsync_pulse_width;
2621 	mode->vtotal = mode->vdisplay + vblank;
2622 
2623 	/* Some EDIDs have bogus h/vtotal values */
2624 	if (mode->hsync_end > mode->htotal)
2625 		mode->htotal = mode->hsync_end + 1;
2626 	if (mode->vsync_end > mode->vtotal)
2627 		mode->vtotal = mode->vsync_end + 1;
2628 
2629 	drm_mode_do_interlace_quirk(mode, pt);
2630 
2631 	if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
2632 		pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE;
2633 	}
2634 
2635 	mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
2636 		DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
2637 	mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?
2638 		DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
2639 
2640 set_size:
2641 	mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4;
2642 	mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8;
2643 
2644 	if (quirks & EDID_QUIRK_DETAILED_IN_CM) {
2645 		mode->width_mm *= 10;
2646 		mode->height_mm *= 10;
2647 	}
2648 
2649 	if (quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) {
2650 		mode->width_mm = edid->width_cm * 10;
2651 		mode->height_mm = edid->height_cm * 10;
2652 	}
2653 
2654 	mode->type = DRM_MODE_TYPE_DRIVER;
2655 	mode->vrefresh = drm_mode_vrefresh(mode);
2656 	drm_mode_set_name(mode);
2657 
2658 	return mode;
2659 }
2660 
2661 static bool
2662 mode_in_hsync_range(const struct drm_display_mode *mode,
2663 		    struct edid *edid, u8 *t)
2664 {
2665 	int hsync, hmin, hmax;
2666 
2667 	hmin = t[7];
2668 	if (edid->revision >= 4)
2669 	    hmin += ((t[4] & 0x04) ? 255 : 0);
2670 	hmax = t[8];
2671 	if (edid->revision >= 4)
2672 	    hmax += ((t[4] & 0x08) ? 255 : 0);
2673 	hsync = drm_mode_hsync(mode);
2674 
2675 	return (hsync <= hmax && hsync >= hmin);
2676 }
2677 
2678 static bool
2679 mode_in_vsync_range(const struct drm_display_mode *mode,
2680 		    struct edid *edid, u8 *t)
2681 {
2682 	int vsync, vmin, vmax;
2683 
2684 	vmin = t[5];
2685 	if (edid->revision >= 4)
2686 	    vmin += ((t[4] & 0x01) ? 255 : 0);
2687 	vmax = t[6];
2688 	if (edid->revision >= 4)
2689 	    vmax += ((t[4] & 0x02) ? 255 : 0);
2690 	vsync = drm_mode_vrefresh(mode);
2691 
2692 	return (vsync <= vmax && vsync >= vmin);
2693 }
2694 
2695 static u32
2696 range_pixel_clock(struct edid *edid, u8 *t)
2697 {
2698 	/* unspecified */
2699 	if (t[9] == 0 || t[9] == 255)
2700 		return 0;
2701 
2702 	/* 1.4 with CVT support gives us real precision, yay */
2703 	if (edid->revision >= 4 && t[10] == 0x04)
2704 		return (t[9] * 10000) - ((t[12] >> 2) * 250);
2705 
2706 	/* 1.3 is pathetic, so fuzz up a bit */
2707 	return t[9] * 10000 + 5001;
2708 }
2709 
2710 static bool
2711 mode_in_range(const struct drm_display_mode *mode, struct edid *edid,
2712 	      struct detailed_timing *timing)
2713 {
2714 	u32 max_clock;
2715 	u8 *t = (u8 *)timing;
2716 
2717 	if (!mode_in_hsync_range(mode, edid, t))
2718 		return false;
2719 
2720 	if (!mode_in_vsync_range(mode, edid, t))
2721 		return false;
2722 
2723 	if ((max_clock = range_pixel_clock(edid, t)))
2724 		if (mode->clock > max_clock)
2725 			return false;
2726 
2727 	/* 1.4 max horizontal check */
2728 	if (edid->revision >= 4 && t[10] == 0x04)
2729 		if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
2730 			return false;
2731 
2732 	if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid))
2733 		return false;
2734 
2735 	return true;
2736 }
2737 
2738 static bool valid_inferred_mode(const struct drm_connector *connector,
2739 				const struct drm_display_mode *mode)
2740 {
2741 	const struct drm_display_mode *m;
2742 	bool ok = false;
2743 
2744 	list_for_each_entry(m, &connector->probed_modes, head) {
2745 		if (mode->hdisplay == m->hdisplay &&
2746 		    mode->vdisplay == m->vdisplay &&
2747 		    drm_mode_vrefresh(mode) == drm_mode_vrefresh(m))
2748 			return false; /* duplicated */
2749 		if (mode->hdisplay <= m->hdisplay &&
2750 		    mode->vdisplay <= m->vdisplay)
2751 			ok = true;
2752 	}
2753 	return ok;
2754 }
2755 
2756 static int
2757 drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2758 			struct detailed_timing *timing)
2759 {
2760 	int i, modes = 0;
2761 	struct drm_display_mode *newmode;
2762 	struct drm_device *dev = connector->dev;
2763 
2764 	for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2765 		if (mode_in_range(drm_dmt_modes + i, edid, timing) &&
2766 		    valid_inferred_mode(connector, drm_dmt_modes + i)) {
2767 			newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
2768 			if (newmode) {
2769 				drm_mode_probed_add(connector, newmode);
2770 				modes++;
2771 			}
2772 		}
2773 	}
2774 
2775 	return modes;
2776 }
2777 
2778 /* fix up 1366x768 mode from 1368x768;
2779  * GFT/CVT can't express 1366 width which isn't dividable by 8
2780  */
2781 void drm_mode_fixup_1366x768(struct drm_display_mode *mode)
2782 {
2783 	if (mode->hdisplay == 1368 && mode->vdisplay == 768) {
2784 		mode->hdisplay = 1366;
2785 		mode->hsync_start--;
2786 		mode->hsync_end--;
2787 		drm_mode_set_name(mode);
2788 	}
2789 }
2790 
2791 static int
2792 drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid,
2793 			struct detailed_timing *timing)
2794 {
2795 	int i, modes = 0;
2796 	struct drm_display_mode *newmode;
2797 	struct drm_device *dev = connector->dev;
2798 
2799 	for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2800 		const struct minimode *m = &extra_modes[i];
2801 		newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0);
2802 		if (!newmode)
2803 			return modes;
2804 
2805 		drm_mode_fixup_1366x768(newmode);
2806 		if (!mode_in_range(newmode, edid, timing) ||
2807 		    !valid_inferred_mode(connector, newmode)) {
2808 			drm_mode_destroy(dev, newmode);
2809 			continue;
2810 		}
2811 
2812 		drm_mode_probed_add(connector, newmode);
2813 		modes++;
2814 	}
2815 
2816 	return modes;
2817 }
2818 
2819 static int
2820 drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2821 			struct detailed_timing *timing)
2822 {
2823 	int i, modes = 0;
2824 	struct drm_display_mode *newmode;
2825 	struct drm_device *dev = connector->dev;
2826 	bool rb = drm_monitor_supports_rb(edid);
2827 
2828 	for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2829 		const struct minimode *m = &extra_modes[i];
2830 		newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0);
2831 		if (!newmode)
2832 			return modes;
2833 
2834 		drm_mode_fixup_1366x768(newmode);
2835 		if (!mode_in_range(newmode, edid, timing) ||
2836 		    !valid_inferred_mode(connector, newmode)) {
2837 			drm_mode_destroy(dev, newmode);
2838 			continue;
2839 		}
2840 
2841 		drm_mode_probed_add(connector, newmode);
2842 		modes++;
2843 	}
2844 
2845 	return modes;
2846 }
2847 
2848 static void
2849 do_inferred_modes(struct detailed_timing *timing, void *c)
2850 {
2851 	struct detailed_mode_closure *closure = c;
2852 	struct detailed_non_pixel *data = &timing->data.other_data;
2853 	struct detailed_data_monitor_range *range = &data->data.range;
2854 
2855 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
2856 		return;
2857 
2858 	closure->modes += drm_dmt_modes_for_range(closure->connector,
2859 						  closure->edid,
2860 						  timing);
2861 
2862 	if (!version_greater(closure->edid, 1, 1))
2863 		return; /* GTF not defined yet */
2864 
2865 	switch (range->flags) {
2866 	case 0x02: /* secondary gtf, XXX could do more */
2867 	case 0x00: /* default gtf */
2868 		closure->modes += drm_gtf_modes_for_range(closure->connector,
2869 							  closure->edid,
2870 							  timing);
2871 		break;
2872 	case 0x04: /* cvt, only in 1.4+ */
2873 		if (!version_greater(closure->edid, 1, 3))
2874 			break;
2875 
2876 		closure->modes += drm_cvt_modes_for_range(closure->connector,
2877 							  closure->edid,
2878 							  timing);
2879 		break;
2880 	case 0x01: /* just the ranges, no formula */
2881 	default:
2882 		break;
2883 	}
2884 }
2885 
2886 static int
2887 add_inferred_modes(struct drm_connector *connector, struct edid *edid)
2888 {
2889 	struct detailed_mode_closure closure = {
2890 		.connector = connector,
2891 		.edid = edid,
2892 	};
2893 
2894 	if (version_greater(edid, 1, 0))
2895 		drm_for_each_detailed_block((u8 *)edid, do_inferred_modes,
2896 					    &closure);
2897 
2898 	return closure.modes;
2899 }
2900 
2901 static int
2902 drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing)
2903 {
2904 	int i, j, m, modes = 0;
2905 	struct drm_display_mode *mode;
2906 	u8 *est = ((u8 *)timing) + 6;
2907 
2908 	for (i = 0; i < 6; i++) {
2909 		for (j = 7; j >= 0; j--) {
2910 			m = (i * 8) + (7 - j);
2911 			if (m >= ARRAY_SIZE(est3_modes))
2912 				break;
2913 			if (est[i] & (1 << j)) {
2914 				mode = drm_mode_find_dmt(connector->dev,
2915 							 est3_modes[m].w,
2916 							 est3_modes[m].h,
2917 							 est3_modes[m].r,
2918 							 est3_modes[m].rb);
2919 				if (mode) {
2920 					drm_mode_probed_add(connector, mode);
2921 					modes++;
2922 				}
2923 			}
2924 		}
2925 	}
2926 
2927 	return modes;
2928 }
2929 
2930 static void
2931 do_established_modes(struct detailed_timing *timing, void *c)
2932 {
2933 	struct detailed_mode_closure *closure = c;
2934 
2935 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_EST_TIMINGS))
2936 		return;
2937 
2938 	closure->modes += drm_est3_modes(closure->connector, timing);
2939 }
2940 
2941 /**
2942  * add_established_modes - get est. modes from EDID and add them
2943  * @connector: connector to add mode(s) to
2944  * @edid: EDID block to scan
2945  *
2946  * Each EDID block contains a bitmap of the supported "established modes" list
2947  * (defined above).  Tease them out and add them to the global modes list.
2948  */
2949 static int
2950 add_established_modes(struct drm_connector *connector, struct edid *edid)
2951 {
2952 	struct drm_device *dev = connector->dev;
2953 	unsigned long est_bits = edid->established_timings.t1 |
2954 		(edid->established_timings.t2 << 8) |
2955 		((edid->established_timings.mfg_rsvd & 0x80) << 9);
2956 	int i, modes = 0;
2957 	struct detailed_mode_closure closure = {
2958 		.connector = connector,
2959 		.edid = edid,
2960 	};
2961 
2962 	for (i = 0; i <= EDID_EST_TIMINGS; i++) {
2963 		if (est_bits & (1<<i)) {
2964 			struct drm_display_mode *newmode;
2965 			newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
2966 			if (newmode) {
2967 				drm_mode_probed_add(connector, newmode);
2968 				modes++;
2969 			}
2970 		}
2971 	}
2972 
2973 	if (version_greater(edid, 1, 0))
2974 		    drm_for_each_detailed_block((u8 *)edid,
2975 						do_established_modes, &closure);
2976 
2977 	return modes + closure.modes;
2978 }
2979 
2980 static void
2981 do_standard_modes(struct detailed_timing *timing, void *c)
2982 {
2983 	struct detailed_mode_closure *closure = c;
2984 	struct detailed_non_pixel *data = &timing->data.other_data;
2985 	struct drm_connector *connector = closure->connector;
2986 	struct edid *edid = closure->edid;
2987 	int i;
2988 
2989 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_STD_MODES))
2990 		return;
2991 
2992 	for (i = 0; i < 6; i++) {
2993 		struct std_timing *std = &data->data.timings[i];
2994 		struct drm_display_mode *newmode;
2995 
2996 		newmode = drm_mode_std(connector, edid, std);
2997 		if (newmode) {
2998 			drm_mode_probed_add(connector, newmode);
2999 			closure->modes++;
3000 		}
3001 	}
3002 }
3003 
3004 /**
3005  * add_standard_modes - get std. modes from EDID and add them
3006  * @connector: connector to add mode(s) to
3007  * @edid: EDID block to scan
3008  *
3009  * Standard modes can be calculated using the appropriate standard (DMT,
3010  * GTF or CVT. Grab them from @edid and add them to the list.
3011  */
3012 static int
3013 add_standard_modes(struct drm_connector *connector, struct edid *edid)
3014 {
3015 	int i, modes = 0;
3016 	struct detailed_mode_closure closure = {
3017 		.connector = connector,
3018 		.edid = edid,
3019 	};
3020 
3021 	for (i = 0; i < EDID_STD_TIMINGS; i++) {
3022 		struct drm_display_mode *newmode;
3023 
3024 		newmode = drm_mode_std(connector, edid,
3025 				       &edid->standard_timings[i]);
3026 		if (newmode) {
3027 			drm_mode_probed_add(connector, newmode);
3028 			modes++;
3029 		}
3030 	}
3031 
3032 	if (version_greater(edid, 1, 0))
3033 		drm_for_each_detailed_block((u8 *)edid, do_standard_modes,
3034 					    &closure);
3035 
3036 	/* XXX should also look for standard codes in VTB blocks */
3037 
3038 	return modes + closure.modes;
3039 }
3040 
3041 static int drm_cvt_modes(struct drm_connector *connector,
3042 			 struct detailed_timing *timing)
3043 {
3044 	int i, j, modes = 0;
3045 	struct drm_display_mode *newmode;
3046 	struct drm_device *dev = connector->dev;
3047 	struct cvt_timing *cvt;
3048 	const int rates[] = { 60, 85, 75, 60, 50 };
3049 	const u8 empty[3] = { 0, 0, 0 };
3050 
3051 	for (i = 0; i < 4; i++) {
3052 		int uninitialized_var(width), height;
3053 		cvt = &(timing->data.other_data.data.cvt[i]);
3054 
3055 		if (!memcmp(cvt->code, empty, 3))
3056 			continue;
3057 
3058 		height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;
3059 		switch (cvt->code[1] & 0x0c) {
3060 		case 0x00:
3061 			width = height * 4 / 3;
3062 			break;
3063 		case 0x04:
3064 			width = height * 16 / 9;
3065 			break;
3066 		case 0x08:
3067 			width = height * 16 / 10;
3068 			break;
3069 		case 0x0c:
3070 			width = height * 15 / 9;
3071 			break;
3072 		}
3073 
3074 		for (j = 1; j < 5; j++) {
3075 			if (cvt->code[2] & (1 << j)) {
3076 				newmode = drm_cvt_mode(dev, width, height,
3077 						       rates[j], j == 0,
3078 						       false, false);
3079 				if (newmode) {
3080 					drm_mode_probed_add(connector, newmode);
3081 					modes++;
3082 				}
3083 			}
3084 		}
3085 	}
3086 
3087 	return modes;
3088 }
3089 
3090 static void
3091 do_cvt_mode(struct detailed_timing *timing, void *c)
3092 {
3093 	struct detailed_mode_closure *closure = c;
3094 
3095 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_CVT_3BYTE))
3096 		return;
3097 
3098 	closure->modes += drm_cvt_modes(closure->connector, timing);
3099 }
3100 
3101 static int
3102 add_cvt_modes(struct drm_connector *connector, struct edid *edid)
3103 {
3104 	struct detailed_mode_closure closure = {
3105 		.connector = connector,
3106 		.edid = edid,
3107 	};
3108 
3109 	if (version_greater(edid, 1, 2))
3110 		drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure);
3111 
3112 	/* XXX should also look for CVT codes in VTB blocks */
3113 
3114 	return closure.modes;
3115 }
3116 
3117 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode);
3118 
3119 static void
3120 do_detailed_mode(struct detailed_timing *timing, void *c)
3121 {
3122 	struct detailed_mode_closure *closure = c;
3123 	struct drm_display_mode *newmode;
3124 
3125 	if (!is_detailed_timing_descriptor((const u8 *)timing))
3126 		return;
3127 
3128 	newmode = drm_mode_detailed(closure->connector->dev,
3129 				    closure->edid, timing,
3130 				    closure->quirks);
3131 	if (!newmode)
3132 		return;
3133 
3134 	if (closure->preferred)
3135 		newmode->type |= DRM_MODE_TYPE_PREFERRED;
3136 
3137 	/*
3138 	 * Detailed modes are limited to 10kHz pixel clock resolution,
3139 	 * so fix up anything that looks like CEA/HDMI mode, but the clock
3140 	 * is just slightly off.
3141 	 */
3142 	fixup_detailed_cea_mode_clock(newmode);
3143 
3144 	drm_mode_probed_add(closure->connector, newmode);
3145 	closure->modes++;
3146 	closure->preferred = false;
3147 }
3148 
3149 /*
3150  * add_detailed_modes - Add modes from detailed timings
3151  * @connector: attached connector
3152  * @edid: EDID block to scan
3153  * @quirks: quirks to apply
3154  */
3155 static int
3156 add_detailed_modes(struct drm_connector *connector, struct edid *edid,
3157 		   u32 quirks)
3158 {
3159 	struct detailed_mode_closure closure = {
3160 		.connector = connector,
3161 		.edid = edid,
3162 		.preferred = true,
3163 		.quirks = quirks,
3164 	};
3165 
3166 	if (closure.preferred && !version_greater(edid, 1, 3))
3167 		closure.preferred =
3168 		    (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
3169 
3170 	drm_for_each_detailed_block((u8 *)edid, do_detailed_mode, &closure);
3171 
3172 	return closure.modes;
3173 }
3174 
3175 #define AUDIO_BLOCK	0x01
3176 #define VIDEO_BLOCK     0x02
3177 #define VENDOR_BLOCK    0x03
3178 #define SPEAKER_BLOCK	0x04
3179 #define HDR_STATIC_METADATA_BLOCK	0x6
3180 #define USE_EXTENDED_TAG 0x07
3181 #define EXT_VIDEO_CAPABILITY_BLOCK 0x00
3182 #define EXT_VIDEO_DATA_BLOCK_420	0x0E
3183 #define EXT_VIDEO_CAP_BLOCK_Y420CMDB 0x0F
3184 #define EDID_BASIC_AUDIO	(1 << 6)
3185 #define EDID_CEA_YCRCB444	(1 << 5)
3186 #define EDID_CEA_YCRCB422	(1 << 4)
3187 #define EDID_CEA_VCDB_QS	(1 << 6)
3188 
3189 /*
3190  * Search EDID for CEA extension block.
3191  */
3192 static u8 *drm_find_edid_extension(const struct edid *edid, int ext_id)
3193 {
3194 	u8 *edid_ext = NULL;
3195 	int i;
3196 
3197 	/* No EDID or EDID extensions */
3198 	if (edid == NULL || edid->extensions == 0)
3199 		return NULL;
3200 
3201 	/* Find CEA extension */
3202 	for (i = 0; i < edid->extensions; i++) {
3203 		edid_ext = (u8 *)edid + EDID_LENGTH * (i + 1);
3204 		if (edid_ext[0] == ext_id)
3205 			break;
3206 	}
3207 
3208 	if (i == edid->extensions)
3209 		return NULL;
3210 
3211 	return edid_ext;
3212 }
3213 
3214 
3215 static u8 *drm_find_displayid_extension(const struct edid *edid)
3216 {
3217 	return drm_find_edid_extension(edid, DISPLAYID_EXT);
3218 }
3219 
3220 static u8 *drm_find_cea_extension(const struct edid *edid)
3221 {
3222 	int ret;
3223 	int idx = 1;
3224 	int length = EDID_LENGTH;
3225 	struct displayid_block *block;
3226 	u8 *cea;
3227 	u8 *displayid;
3228 
3229 	/* Look for a top level CEA extension block */
3230 	cea = drm_find_edid_extension(edid, CEA_EXT);
3231 	if (cea)
3232 		return cea;
3233 
3234 	/* CEA blocks can also be found embedded in a DisplayID block */
3235 	displayid = drm_find_displayid_extension(edid);
3236 	if (!displayid)
3237 		return NULL;
3238 
3239 	ret = validate_displayid(displayid, length, idx);
3240 	if (ret)
3241 		return NULL;
3242 
3243 	idx += sizeof(struct displayid_hdr);
3244 	for_each_displayid_db(displayid, block, idx, length) {
3245 		if (block->tag == DATA_BLOCK_CTA) {
3246 			cea = (u8 *)block;
3247 			break;
3248 		}
3249 	}
3250 
3251 	return cea;
3252 }
3253 
3254 static __always_inline const struct drm_display_mode *cea_mode_for_vic(u8 vic)
3255 {
3256 	BUILD_BUG_ON(1 + ARRAY_SIZE(edid_cea_modes_1) - 1 != 127);
3257 	BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 219);
3258 
3259 	if (vic >= 1 && vic < 1 + ARRAY_SIZE(edid_cea_modes_1))
3260 		return &edid_cea_modes_1[vic - 1];
3261 	if (vic >= 193 && vic < 193 + ARRAY_SIZE(edid_cea_modes_193))
3262 		return &edid_cea_modes_193[vic - 193];
3263 	return NULL;
3264 }
3265 
3266 static u8 cea_num_vics(void)
3267 {
3268 	return 193 + ARRAY_SIZE(edid_cea_modes_193);
3269 }
3270 
3271 static u8 cea_next_vic(u8 vic)
3272 {
3273 	if (++vic == 1 + ARRAY_SIZE(edid_cea_modes_1))
3274 		vic = 193;
3275 	return vic;
3276 }
3277 
3278 /*
3279  * Calculate the alternate clock for the CEA mode
3280  * (60Hz vs. 59.94Hz etc.)
3281  */
3282 static unsigned int
3283 cea_mode_alternate_clock(const struct drm_display_mode *cea_mode)
3284 {
3285 	unsigned int clock = cea_mode->clock;
3286 
3287 	if (cea_mode->vrefresh % 6 != 0)
3288 		return clock;
3289 
3290 	/*
3291 	 * edid_cea_modes contains the 59.94Hz
3292 	 * variant for 240 and 480 line modes,
3293 	 * and the 60Hz variant otherwise.
3294 	 */
3295 	if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480)
3296 		clock = DIV_ROUND_CLOSEST(clock * 1001, 1000);
3297 	else
3298 		clock = DIV_ROUND_CLOSEST(clock * 1000, 1001);
3299 
3300 	return clock;
3301 }
3302 
3303 static bool
3304 cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode)
3305 {
3306 	/*
3307 	 * For certain VICs the spec allows the vertical
3308 	 * front porch to vary by one or two lines.
3309 	 *
3310 	 * cea_modes[] stores the variant with the shortest
3311 	 * vertical front porch. We can adjust the mode to
3312 	 * get the other variants by simply increasing the
3313 	 * vertical front porch length.
3314 	 */
3315 	BUILD_BUG_ON(cea_mode_for_vic(8)->vtotal != 262 ||
3316 		     cea_mode_for_vic(9)->vtotal != 262 ||
3317 		     cea_mode_for_vic(12)->vtotal != 262 ||
3318 		     cea_mode_for_vic(13)->vtotal != 262 ||
3319 		     cea_mode_for_vic(23)->vtotal != 312 ||
3320 		     cea_mode_for_vic(24)->vtotal != 312 ||
3321 		     cea_mode_for_vic(27)->vtotal != 312 ||
3322 		     cea_mode_for_vic(28)->vtotal != 312);
3323 
3324 	if (((vic == 8 || vic == 9 ||
3325 	      vic == 12 || vic == 13) && mode->vtotal < 263) ||
3326 	    ((vic == 23 || vic == 24 ||
3327 	      vic == 27 || vic == 28) && mode->vtotal < 314)) {
3328 		mode->vsync_start++;
3329 		mode->vsync_end++;
3330 		mode->vtotal++;
3331 
3332 		return true;
3333 	}
3334 
3335 	return false;
3336 }
3337 
3338 static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match,
3339 					     unsigned int clock_tolerance)
3340 {
3341 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3342 	u8 vic;
3343 
3344 	if (!to_match->clock)
3345 		return 0;
3346 
3347 	if (to_match->picture_aspect_ratio)
3348 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3349 
3350 	for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3351 		struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3352 		unsigned int clock1, clock2;
3353 
3354 		/* Check both 60Hz and 59.94Hz */
3355 		clock1 = cea_mode.clock;
3356 		clock2 = cea_mode_alternate_clock(&cea_mode);
3357 
3358 		if (abs(to_match->clock - clock1) > clock_tolerance &&
3359 		    abs(to_match->clock - clock2) > clock_tolerance)
3360 			continue;
3361 
3362 		do {
3363 			if (drm_mode_match(to_match, &cea_mode, match_flags))
3364 				return vic;
3365 		} while (cea_mode_alternate_timings(vic, &cea_mode));
3366 	}
3367 
3368 	return 0;
3369 }
3370 
3371 /**
3372  * drm_match_cea_mode - look for a CEA mode matching given mode
3373  * @to_match: display mode
3374  *
3375  * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
3376  * mode.
3377  */
3378 u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
3379 {
3380 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3381 	u8 vic;
3382 
3383 	if (!to_match->clock)
3384 		return 0;
3385 
3386 	if (to_match->picture_aspect_ratio)
3387 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3388 
3389 	for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3390 		struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3391 		unsigned int clock1, clock2;
3392 
3393 		/* Check both 60Hz and 59.94Hz */
3394 		clock1 = cea_mode.clock;
3395 		clock2 = cea_mode_alternate_clock(&cea_mode);
3396 
3397 		if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) &&
3398 		    KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2))
3399 			continue;
3400 
3401 		do {
3402 			if (drm_mode_match(to_match, &cea_mode, match_flags))
3403 				return vic;
3404 		} while (cea_mode_alternate_timings(vic, &cea_mode));
3405 	}
3406 
3407 	return 0;
3408 }
3409 EXPORT_SYMBOL(drm_match_cea_mode);
3410 
3411 static bool drm_valid_cea_vic(u8 vic)
3412 {
3413 	return cea_mode_for_vic(vic) != NULL;
3414 }
3415 
3416 static enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code)
3417 {
3418 	const struct drm_display_mode *mode = cea_mode_for_vic(video_code);
3419 
3420 	if (mode)
3421 		return mode->picture_aspect_ratio;
3422 
3423 	return HDMI_PICTURE_ASPECT_NONE;
3424 }
3425 
3426 static enum hdmi_picture_aspect drm_get_hdmi_aspect_ratio(const u8 video_code)
3427 {
3428 	return edid_4k_modes[video_code].picture_aspect_ratio;
3429 }
3430 
3431 /*
3432  * Calculate the alternate clock for HDMI modes (those from the HDMI vendor
3433  * specific block).
3434  */
3435 static unsigned int
3436 hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode)
3437 {
3438 	return cea_mode_alternate_clock(hdmi_mode);
3439 }
3440 
3441 static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match,
3442 					      unsigned int clock_tolerance)
3443 {
3444 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3445 	u8 vic;
3446 
3447 	if (!to_match->clock)
3448 		return 0;
3449 
3450 	if (to_match->picture_aspect_ratio)
3451 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3452 
3453 	for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3454 		const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3455 		unsigned int clock1, clock2;
3456 
3457 		/* Make sure to also match alternate clocks */
3458 		clock1 = hdmi_mode->clock;
3459 		clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3460 
3461 		if (abs(to_match->clock - clock1) > clock_tolerance &&
3462 		    abs(to_match->clock - clock2) > clock_tolerance)
3463 			continue;
3464 
3465 		if (drm_mode_match(to_match, hdmi_mode, match_flags))
3466 			return vic;
3467 	}
3468 
3469 	return 0;
3470 }
3471 
3472 /*
3473  * drm_match_hdmi_mode - look for a HDMI mode matching given mode
3474  * @to_match: display mode
3475  *
3476  * An HDMI mode is one defined in the HDMI vendor specific block.
3477  *
3478  * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one.
3479  */
3480 static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match)
3481 {
3482 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3483 	u8 vic;
3484 
3485 	if (!to_match->clock)
3486 		return 0;
3487 
3488 	if (to_match->picture_aspect_ratio)
3489 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3490 
3491 	for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3492 		const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3493 		unsigned int clock1, clock2;
3494 
3495 		/* Make sure to also match alternate clocks */
3496 		clock1 = hdmi_mode->clock;
3497 		clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3498 
3499 		if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||
3500 		     KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&
3501 		    drm_mode_match(to_match, hdmi_mode, match_flags))
3502 			return vic;
3503 	}
3504 	return 0;
3505 }
3506 
3507 static bool drm_valid_hdmi_vic(u8 vic)
3508 {
3509 	return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes);
3510 }
3511 
3512 static int
3513 add_alternate_cea_modes(struct drm_connector *connector, struct edid *edid)
3514 {
3515 	struct drm_device *dev = connector->dev;
3516 	struct drm_display_mode *mode, *tmp;
3517 	LIST_HEAD(list);
3518 	int modes = 0;
3519 
3520 	/* Don't add CEA modes if the CEA extension block is missing */
3521 	if (!drm_find_cea_extension(edid))
3522 		return 0;
3523 
3524 	/*
3525 	 * Go through all probed modes and create a new mode
3526 	 * with the alternate clock for certain CEA modes.
3527 	 */
3528 	list_for_each_entry(mode, &connector->probed_modes, head) {
3529 		const struct drm_display_mode *cea_mode = NULL;
3530 		struct drm_display_mode *newmode;
3531 		u8 vic = drm_match_cea_mode(mode);
3532 		unsigned int clock1, clock2;
3533 
3534 		if (drm_valid_cea_vic(vic)) {
3535 			cea_mode = cea_mode_for_vic(vic);
3536 			clock2 = cea_mode_alternate_clock(cea_mode);
3537 		} else {
3538 			vic = drm_match_hdmi_mode(mode);
3539 			if (drm_valid_hdmi_vic(vic)) {
3540 				cea_mode = &edid_4k_modes[vic];
3541 				clock2 = hdmi_mode_alternate_clock(cea_mode);
3542 			}
3543 		}
3544 
3545 		if (!cea_mode)
3546 			continue;
3547 
3548 		clock1 = cea_mode->clock;
3549 
3550 		if (clock1 == clock2)
3551 			continue;
3552 
3553 		if (mode->clock != clock1 && mode->clock != clock2)
3554 			continue;
3555 
3556 		newmode = drm_mode_duplicate(dev, cea_mode);
3557 		if (!newmode)
3558 			continue;
3559 
3560 		/* Carry over the stereo flags */
3561 		newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK;
3562 
3563 		/*
3564 		 * The current mode could be either variant. Make
3565 		 * sure to pick the "other" clock for the new mode.
3566 		 */
3567 		if (mode->clock != clock1)
3568 			newmode->clock = clock1;
3569 		else
3570 			newmode->clock = clock2;
3571 
3572 		list_add_tail(&newmode->head, &list);
3573 	}
3574 
3575 	list_for_each_entry_safe(mode, tmp, &list, head) {
3576 		list_del(&mode->head);
3577 		drm_mode_probed_add(connector, mode);
3578 		modes++;
3579 	}
3580 
3581 	return modes;
3582 }
3583 
3584 static u8 svd_to_vic(u8 svd)
3585 {
3586 	/* 0-6 bit vic, 7th bit native mode indicator */
3587 	if ((svd >= 1 &&  svd <= 64) || (svd >= 129 && svd <= 192))
3588 		return svd & 127;
3589 
3590 	return svd;
3591 }
3592 
3593 static struct drm_display_mode *
3594 drm_display_mode_from_vic_index(struct drm_connector *connector,
3595 				const u8 *video_db, u8 video_len,
3596 				u8 video_index)
3597 {
3598 	struct drm_device *dev = connector->dev;
3599 	struct drm_display_mode *newmode;
3600 	u8 vic;
3601 
3602 	if (video_db == NULL || video_index >= video_len)
3603 		return NULL;
3604 
3605 	/* CEA modes are numbered 1..127 */
3606 	vic = svd_to_vic(video_db[video_index]);
3607 	if (!drm_valid_cea_vic(vic))
3608 		return NULL;
3609 
3610 	newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3611 	if (!newmode)
3612 		return NULL;
3613 
3614 	newmode->vrefresh = 0;
3615 
3616 	return newmode;
3617 }
3618 
3619 /*
3620  * do_y420vdb_modes - Parse YCBCR 420 only modes
3621  * @connector: connector corresponding to the HDMI sink
3622  * @svds: start of the data block of CEA YCBCR 420 VDB
3623  * @len: length of the CEA YCBCR 420 VDB
3624  *
3625  * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB)
3626  * which contains modes which can be supported in YCBCR 420
3627  * output format only.
3628  */
3629 static int do_y420vdb_modes(struct drm_connector *connector,
3630 			    const u8 *svds, u8 svds_len)
3631 {
3632 	int modes = 0, i;
3633 	struct drm_device *dev = connector->dev;
3634 	struct drm_display_info *info = &connector->display_info;
3635 	struct drm_hdmi_info *hdmi = &info->hdmi;
3636 
3637 	for (i = 0; i < svds_len; i++) {
3638 		u8 vic = svd_to_vic(svds[i]);
3639 		struct drm_display_mode *newmode;
3640 
3641 		if (!drm_valid_cea_vic(vic))
3642 			continue;
3643 
3644 		newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3645 		if (!newmode)
3646 			break;
3647 		bitmap_set(hdmi->y420_vdb_modes, vic, 1);
3648 		drm_mode_probed_add(connector, newmode);
3649 		modes++;
3650 	}
3651 
3652 	if (modes > 0)
3653 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
3654 	return modes;
3655 }
3656 
3657 /*
3658  * drm_add_cmdb_modes - Add a YCBCR 420 mode into bitmap
3659  * @connector: connector corresponding to the HDMI sink
3660  * @vic: CEA vic for the video mode to be added in the map
3661  *
3662  * Makes an entry for a videomode in the YCBCR 420 bitmap
3663  */
3664 static void
3665 drm_add_cmdb_modes(struct drm_connector *connector, u8 svd)
3666 {
3667 	u8 vic = svd_to_vic(svd);
3668 	struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3669 
3670 	if (!drm_valid_cea_vic(vic))
3671 		return;
3672 
3673 	bitmap_set(hdmi->y420_cmdb_modes, vic, 1);
3674 }
3675 
3676 static int
3677 do_cea_modes(struct drm_connector *connector, const u8 *db, u8 len)
3678 {
3679 	int i, modes = 0;
3680 	struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3681 
3682 	for (i = 0; i < len; i++) {
3683 		struct drm_display_mode *mode;
3684 		mode = drm_display_mode_from_vic_index(connector, db, len, i);
3685 		if (mode) {
3686 			/*
3687 			 * YCBCR420 capability block contains a bitmap which
3688 			 * gives the index of CEA modes from CEA VDB, which
3689 			 * can support YCBCR 420 sampling output also (apart
3690 			 * from RGB/YCBCR444 etc).
3691 			 * For example, if the bit 0 in bitmap is set,
3692 			 * first mode in VDB can support YCBCR420 output too.
3693 			 * Add YCBCR420 modes only if sink is HDMI 2.0 capable.
3694 			 */
3695 			if (i < 64 && hdmi->y420_cmdb_map & (1ULL << i))
3696 				drm_add_cmdb_modes(connector, db[i]);
3697 
3698 			drm_mode_probed_add(connector, mode);
3699 			modes++;
3700 		}
3701 	}
3702 
3703 	return modes;
3704 }
3705 
3706 struct stereo_mandatory_mode {
3707 	int width, height, vrefresh;
3708 	unsigned int flags;
3709 };
3710 
3711 static const struct stereo_mandatory_mode stereo_mandatory_modes[] = {
3712 	{ 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3713 	{ 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING },
3714 	{ 1920, 1080, 50,
3715 	  DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3716 	{ 1920, 1080, 60,
3717 	  DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3718 	{ 1280, 720,  50, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3719 	{ 1280, 720,  50, DRM_MODE_FLAG_3D_FRAME_PACKING },
3720 	{ 1280, 720,  60, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3721 	{ 1280, 720,  60, DRM_MODE_FLAG_3D_FRAME_PACKING }
3722 };
3723 
3724 static bool
3725 stereo_match_mandatory(const struct drm_display_mode *mode,
3726 		       const struct stereo_mandatory_mode *stereo_mode)
3727 {
3728 	unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;
3729 
3730 	return mode->hdisplay == stereo_mode->width &&
3731 	       mode->vdisplay == stereo_mode->height &&
3732 	       interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) &&
3733 	       drm_mode_vrefresh(mode) == stereo_mode->vrefresh;
3734 }
3735 
3736 static int add_hdmi_mandatory_stereo_modes(struct drm_connector *connector)
3737 {
3738 	struct drm_device *dev = connector->dev;
3739 	const struct drm_display_mode *mode;
3740 	struct list_head stereo_modes;
3741 	int modes = 0, i;
3742 
3743 	INIT_LIST_HEAD(&stereo_modes);
3744 
3745 	list_for_each_entry(mode, &connector->probed_modes, head) {
3746 		for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) {
3747 			const struct stereo_mandatory_mode *mandatory;
3748 			struct drm_display_mode *new_mode;
3749 
3750 			if (!stereo_match_mandatory(mode,
3751 						    &stereo_mandatory_modes[i]))
3752 				continue;
3753 
3754 			mandatory = &stereo_mandatory_modes[i];
3755 			new_mode = drm_mode_duplicate(dev, mode);
3756 			if (!new_mode)
3757 				continue;
3758 
3759 			new_mode->flags |= mandatory->flags;
3760 			list_add_tail(&new_mode->head, &stereo_modes);
3761 			modes++;
3762 		}
3763 	}
3764 
3765 	list_splice_tail(&stereo_modes, &connector->probed_modes);
3766 
3767 	return modes;
3768 }
3769 
3770 static int add_hdmi_mode(struct drm_connector *connector, u8 vic)
3771 {
3772 	struct drm_device *dev = connector->dev;
3773 	struct drm_display_mode *newmode;
3774 
3775 	if (!drm_valid_hdmi_vic(vic)) {
3776 		DRM_ERROR("Unknown HDMI VIC: %d\n", vic);
3777 		return 0;
3778 	}
3779 
3780 	newmode = drm_mode_duplicate(dev, &edid_4k_modes[vic]);
3781 	if (!newmode)
3782 		return 0;
3783 
3784 	drm_mode_probed_add(connector, newmode);
3785 
3786 	return 1;
3787 }
3788 
3789 static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
3790 			       const u8 *video_db, u8 video_len, u8 video_index)
3791 {
3792 	struct drm_display_mode *newmode;
3793 	int modes = 0;
3794 
3795 	if (structure & (1 << 0)) {
3796 		newmode = drm_display_mode_from_vic_index(connector, video_db,
3797 							  video_len,
3798 							  video_index);
3799 		if (newmode) {
3800 			newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING;
3801 			drm_mode_probed_add(connector, newmode);
3802 			modes++;
3803 		}
3804 	}
3805 	if (structure & (1 << 6)) {
3806 		newmode = drm_display_mode_from_vic_index(connector, video_db,
3807 							  video_len,
3808 							  video_index);
3809 		if (newmode) {
3810 			newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
3811 			drm_mode_probed_add(connector, newmode);
3812 			modes++;
3813 		}
3814 	}
3815 	if (structure & (1 << 8)) {
3816 		newmode = drm_display_mode_from_vic_index(connector, video_db,
3817 							  video_len,
3818 							  video_index);
3819 		if (newmode) {
3820 			newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3821 			drm_mode_probed_add(connector, newmode);
3822 			modes++;
3823 		}
3824 	}
3825 
3826 	return modes;
3827 }
3828 
3829 /*
3830  * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block
3831  * @connector: connector corresponding to the HDMI sink
3832  * @db: start of the CEA vendor specific block
3833  * @len: length of the CEA block payload, ie. one can access up to db[len]
3834  *
3835  * Parses the HDMI VSDB looking for modes to add to @connector. This function
3836  * also adds the stereo 3d modes when applicable.
3837  */
3838 static int
3839 do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len,
3840 		   const u8 *video_db, u8 video_len)
3841 {
3842 	struct drm_display_info *info = &connector->display_info;
3843 	int modes = 0, offset = 0, i, multi_present = 0, multi_len;
3844 	u8 vic_len, hdmi_3d_len = 0;
3845 	u16 mask;
3846 	u16 structure_all;
3847 
3848 	if (len < 8)
3849 		goto out;
3850 
3851 	/* no HDMI_Video_Present */
3852 	if (!(db[8] & (1 << 5)))
3853 		goto out;
3854 
3855 	/* Latency_Fields_Present */
3856 	if (db[8] & (1 << 7))
3857 		offset += 2;
3858 
3859 	/* I_Latency_Fields_Present */
3860 	if (db[8] & (1 << 6))
3861 		offset += 2;
3862 
3863 	/* the declared length is not long enough for the 2 first bytes
3864 	 * of additional video format capabilities */
3865 	if (len < (8 + offset + 2))
3866 		goto out;
3867 
3868 	/* 3D_Present */
3869 	offset++;
3870 	if (db[8 + offset] & (1 << 7)) {
3871 		modes += add_hdmi_mandatory_stereo_modes(connector);
3872 
3873 		/* 3D_Multi_present */
3874 		multi_present = (db[8 + offset] & 0x60) >> 5;
3875 	}
3876 
3877 	offset++;
3878 	vic_len = db[8 + offset] >> 5;
3879 	hdmi_3d_len = db[8 + offset] & 0x1f;
3880 
3881 	for (i = 0; i < vic_len && len >= (9 + offset + i); i++) {
3882 		u8 vic;
3883 
3884 		vic = db[9 + offset + i];
3885 		modes += add_hdmi_mode(connector, vic);
3886 	}
3887 	offset += 1 + vic_len;
3888 
3889 	if (multi_present == 1)
3890 		multi_len = 2;
3891 	else if (multi_present == 2)
3892 		multi_len = 4;
3893 	else
3894 		multi_len = 0;
3895 
3896 	if (len < (8 + offset + hdmi_3d_len - 1))
3897 		goto out;
3898 
3899 	if (hdmi_3d_len < multi_len)
3900 		goto out;
3901 
3902 	if (multi_present == 1 || multi_present == 2) {
3903 		/* 3D_Structure_ALL */
3904 		structure_all = (db[8 + offset] << 8) | db[9 + offset];
3905 
3906 		/* check if 3D_MASK is present */
3907 		if (multi_present == 2)
3908 			mask = (db[10 + offset] << 8) | db[11 + offset];
3909 		else
3910 			mask = 0xffff;
3911 
3912 		for (i = 0; i < 16; i++) {
3913 			if (mask & (1 << i))
3914 				modes += add_3d_struct_modes(connector,
3915 						structure_all,
3916 						video_db,
3917 						video_len, i);
3918 		}
3919 	}
3920 
3921 	offset += multi_len;
3922 
3923 	for (i = 0; i < (hdmi_3d_len - multi_len); i++) {
3924 		int vic_index;
3925 		struct drm_display_mode *newmode = NULL;
3926 		unsigned int newflag = 0;
3927 		bool detail_present;
3928 
3929 		detail_present = ((db[8 + offset + i] & 0x0f) > 7);
3930 
3931 		if (detail_present && (i + 1 == hdmi_3d_len - multi_len))
3932 			break;
3933 
3934 		/* 2D_VIC_order_X */
3935 		vic_index = db[8 + offset + i] >> 4;
3936 
3937 		/* 3D_Structure_X */
3938 		switch (db[8 + offset + i] & 0x0f) {
3939 		case 0:
3940 			newflag = DRM_MODE_FLAG_3D_FRAME_PACKING;
3941 			break;
3942 		case 6:
3943 			newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
3944 			break;
3945 		case 8:
3946 			/* 3D_Detail_X */
3947 			if ((db[9 + offset + i] >> 4) == 1)
3948 				newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3949 			break;
3950 		}
3951 
3952 		if (newflag != 0) {
3953 			newmode = drm_display_mode_from_vic_index(connector,
3954 								  video_db,
3955 								  video_len,
3956 								  vic_index);
3957 
3958 			if (newmode) {
3959 				newmode->flags |= newflag;
3960 				drm_mode_probed_add(connector, newmode);
3961 				modes++;
3962 			}
3963 		}
3964 
3965 		if (detail_present)
3966 			i++;
3967 	}
3968 
3969 out:
3970 	if (modes > 0)
3971 		info->has_hdmi_infoframe = true;
3972 	return modes;
3973 }
3974 
3975 static int
3976 cea_db_payload_len(const u8 *db)
3977 {
3978 	return db[0] & 0x1f;
3979 }
3980 
3981 static int
3982 cea_db_extended_tag(const u8 *db)
3983 {
3984 	return db[1];
3985 }
3986 
3987 static int
3988 cea_db_tag(const u8 *db)
3989 {
3990 	return db[0] >> 5;
3991 }
3992 
3993 static int
3994 cea_revision(const u8 *cea)
3995 {
3996 	/*
3997 	 * FIXME is this correct for the DispID variant?
3998 	 * The DispID spec doesn't really specify whether
3999 	 * this is the revision of the CEA extension or
4000 	 * the DispID CEA data block. And the only value
4001 	 * given as an example is 0.
4002 	 */
4003 	return cea[1];
4004 }
4005 
4006 static int
4007 cea_db_offsets(const u8 *cea, int *start, int *end)
4008 {
4009 	/* DisplayID CTA extension blocks and top-level CEA EDID
4010 	 * block header definitions differ in the following bytes:
4011 	 *   1) Byte 2 of the header specifies length differently,
4012 	 *   2) Byte 3 is only present in the CEA top level block.
4013 	 *
4014 	 * The different definitions for byte 2 follow.
4015 	 *
4016 	 * DisplayID CTA extension block defines byte 2 as:
4017 	 *   Number of payload bytes
4018 	 *
4019 	 * CEA EDID block defines byte 2 as:
4020 	 *   Byte number (decimal) within this block where the 18-byte
4021 	 *   DTDs begin. If no non-DTD data is present in this extension
4022 	 *   block, the value should be set to 04h (the byte after next).
4023 	 *   If set to 00h, there are no DTDs present in this block and
4024 	 *   no non-DTD data.
4025 	 */
4026 	if (cea[0] == DATA_BLOCK_CTA) {
4027 		/*
4028 		 * for_each_displayid_db() has already verified
4029 		 * that these stay within expected bounds.
4030 		 */
4031 		*start = 3;
4032 		*end = *start + cea[2];
4033 	} else if (cea[0] == CEA_EXT) {
4034 		/* Data block offset in CEA extension block */
4035 		*start = 4;
4036 		*end = cea[2];
4037 		if (*end == 0)
4038 			*end = 127;
4039 		if (*end < 4 || *end > 127)
4040 			return -ERANGE;
4041 	} else {
4042 		return -EOPNOTSUPP;
4043 	}
4044 
4045 	return 0;
4046 }
4047 
4048 static bool cea_db_is_hdmi_vsdb(const u8 *db)
4049 {
4050 	int hdmi_id;
4051 
4052 	if (cea_db_tag(db) != VENDOR_BLOCK)
4053 		return false;
4054 
4055 	if (cea_db_payload_len(db) < 5)
4056 		return false;
4057 
4058 	hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16);
4059 
4060 	return hdmi_id == HDMI_IEEE_OUI;
4061 }
4062 
4063 static bool cea_db_is_hdmi_forum_vsdb(const u8 *db)
4064 {
4065 	unsigned int oui;
4066 
4067 	if (cea_db_tag(db) != VENDOR_BLOCK)
4068 		return false;
4069 
4070 	if (cea_db_payload_len(db) < 7)
4071 		return false;
4072 
4073 	oui = db[3] << 16 | db[2] << 8 | db[1];
4074 
4075 	return oui == HDMI_FORUM_IEEE_OUI;
4076 }
4077 
4078 static bool cea_db_is_vcdb(const u8 *db)
4079 {
4080 	if (cea_db_tag(db) != USE_EXTENDED_TAG)
4081 		return false;
4082 
4083 	if (cea_db_payload_len(db) != 2)
4084 		return false;
4085 
4086 	if (cea_db_extended_tag(db) != EXT_VIDEO_CAPABILITY_BLOCK)
4087 		return false;
4088 
4089 	return true;
4090 }
4091 
4092 static bool cea_db_is_y420cmdb(const u8 *db)
4093 {
4094 	if (cea_db_tag(db) != USE_EXTENDED_TAG)
4095 		return false;
4096 
4097 	if (!cea_db_payload_len(db))
4098 		return false;
4099 
4100 	if (cea_db_extended_tag(db) != EXT_VIDEO_CAP_BLOCK_Y420CMDB)
4101 		return false;
4102 
4103 	return true;
4104 }
4105 
4106 static bool cea_db_is_y420vdb(const u8 *db)
4107 {
4108 	if (cea_db_tag(db) != USE_EXTENDED_TAG)
4109 		return false;
4110 
4111 	if (!cea_db_payload_len(db))
4112 		return false;
4113 
4114 	if (cea_db_extended_tag(db) != EXT_VIDEO_DATA_BLOCK_420)
4115 		return false;
4116 
4117 	return true;
4118 }
4119 
4120 #define for_each_cea_db(cea, i, start, end) \
4121 	for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1)
4122 
4123 static void drm_parse_y420cmdb_bitmap(struct drm_connector *connector,
4124 				      const u8 *db)
4125 {
4126 	struct drm_display_info *info = &connector->display_info;
4127 	struct drm_hdmi_info *hdmi = &info->hdmi;
4128 	u8 map_len = cea_db_payload_len(db) - 1;
4129 	u8 count;
4130 	u64 map = 0;
4131 
4132 	if (map_len == 0) {
4133 		/* All CEA modes support ycbcr420 sampling also.*/
4134 		hdmi->y420_cmdb_map = U64_MAX;
4135 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4136 		return;
4137 	}
4138 
4139 	/*
4140 	 * This map indicates which of the existing CEA block modes
4141 	 * from VDB can support YCBCR420 output too. So if bit=0 is
4142 	 * set, first mode from VDB can support YCBCR420 output too.
4143 	 * We will parse and keep this map, before parsing VDB itself
4144 	 * to avoid going through the same block again and again.
4145 	 *
4146 	 * Spec is not clear about max possible size of this block.
4147 	 * Clamping max bitmap block size at 8 bytes. Every byte can
4148 	 * address 8 CEA modes, in this way this map can address
4149 	 * 8*8 = first 64 SVDs.
4150 	 */
4151 	if (WARN_ON_ONCE(map_len > 8))
4152 		map_len = 8;
4153 
4154 	for (count = 0; count < map_len; count++)
4155 		map |= (u64)db[2 + count] << (8 * count);
4156 
4157 	if (map)
4158 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4159 
4160 	hdmi->y420_cmdb_map = map;
4161 }
4162 
4163 static int
4164 add_cea_modes(struct drm_connector *connector, struct edid *edid)
4165 {
4166 	const u8 *cea = drm_find_cea_extension(edid);
4167 	const u8 *db, *hdmi = NULL, *video = NULL;
4168 	u8 dbl, hdmi_len, video_len = 0;
4169 	int modes = 0;
4170 
4171 	if (cea && cea_revision(cea) >= 3) {
4172 		int i, start, end;
4173 
4174 		if (cea_db_offsets(cea, &start, &end))
4175 			return 0;
4176 
4177 		for_each_cea_db(cea, i, start, end) {
4178 			db = &cea[i];
4179 			dbl = cea_db_payload_len(db);
4180 
4181 			if (cea_db_tag(db) == VIDEO_BLOCK) {
4182 				video = db + 1;
4183 				video_len = dbl;
4184 				modes += do_cea_modes(connector, video, dbl);
4185 			} else if (cea_db_is_hdmi_vsdb(db)) {
4186 				hdmi = db;
4187 				hdmi_len = dbl;
4188 			} else if (cea_db_is_y420vdb(db)) {
4189 				const u8 *vdb420 = &db[2];
4190 
4191 				/* Add 4:2:0(only) modes present in EDID */
4192 				modes += do_y420vdb_modes(connector,
4193 							  vdb420,
4194 							  dbl - 1);
4195 			}
4196 		}
4197 	}
4198 
4199 	/*
4200 	 * We parse the HDMI VSDB after having added the cea modes as we will
4201 	 * be patching their flags when the sink supports stereo 3D.
4202 	 */
4203 	if (hdmi)
4204 		modes += do_hdmi_vsdb_modes(connector, hdmi, hdmi_len, video,
4205 					    video_len);
4206 
4207 	return modes;
4208 }
4209 
4210 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode)
4211 {
4212 	const struct drm_display_mode *cea_mode;
4213 	int clock1, clock2, clock;
4214 	u8 vic;
4215 	const char *type;
4216 
4217 	/*
4218 	 * allow 5kHz clock difference either way to account for
4219 	 * the 10kHz clock resolution limit of detailed timings.
4220 	 */
4221 	vic = drm_match_cea_mode_clock_tolerance(mode, 5);
4222 	if (drm_valid_cea_vic(vic)) {
4223 		type = "CEA";
4224 		cea_mode = cea_mode_for_vic(vic);
4225 		clock1 = cea_mode->clock;
4226 		clock2 = cea_mode_alternate_clock(cea_mode);
4227 	} else {
4228 		vic = drm_match_hdmi_mode_clock_tolerance(mode, 5);
4229 		if (drm_valid_hdmi_vic(vic)) {
4230 			type = "HDMI";
4231 			cea_mode = &edid_4k_modes[vic];
4232 			clock1 = cea_mode->clock;
4233 			clock2 = hdmi_mode_alternate_clock(cea_mode);
4234 		} else {
4235 			return;
4236 		}
4237 	}
4238 
4239 	/* pick whichever is closest */
4240 	if (abs(mode->clock - clock1) < abs(mode->clock - clock2))
4241 		clock = clock1;
4242 	else
4243 		clock = clock2;
4244 
4245 	if (mode->clock == clock)
4246 		return;
4247 
4248 	DRM_DEBUG("detailed mode matches %s VIC %d, adjusting clock %d -> %d\n",
4249 		  type, vic, mode->clock, clock);
4250 	mode->clock = clock;
4251 }
4252 
4253 static bool cea_db_is_hdmi_hdr_metadata_block(const u8 *db)
4254 {
4255 	if (cea_db_tag(db) != USE_EXTENDED_TAG)
4256 		return false;
4257 
4258 	if (db[1] != HDR_STATIC_METADATA_BLOCK)
4259 		return false;
4260 
4261 	if (cea_db_payload_len(db) < 3)
4262 		return false;
4263 
4264 	return true;
4265 }
4266 
4267 static uint8_t eotf_supported(const u8 *edid_ext)
4268 {
4269 	return edid_ext[2] &
4270 		(BIT(HDMI_EOTF_TRADITIONAL_GAMMA_SDR) |
4271 		 BIT(HDMI_EOTF_TRADITIONAL_GAMMA_HDR) |
4272 		 BIT(HDMI_EOTF_SMPTE_ST2084) |
4273 		 BIT(HDMI_EOTF_BT_2100_HLG));
4274 }
4275 
4276 static uint8_t hdr_metadata_type(const u8 *edid_ext)
4277 {
4278 	return edid_ext[3] &
4279 		BIT(HDMI_STATIC_METADATA_TYPE1);
4280 }
4281 
4282 static void
4283 drm_parse_hdr_metadata_block(struct drm_connector *connector, const u8 *db)
4284 {
4285 	u16 len;
4286 
4287 	len = cea_db_payload_len(db);
4288 
4289 	connector->hdr_sink_metadata.hdmi_type1.eotf =
4290 						eotf_supported(db);
4291 	connector->hdr_sink_metadata.hdmi_type1.metadata_type =
4292 						hdr_metadata_type(db);
4293 
4294 	if (len >= 4)
4295 		connector->hdr_sink_metadata.hdmi_type1.max_cll = db[4];
4296 	if (len >= 5)
4297 		connector->hdr_sink_metadata.hdmi_type1.max_fall = db[5];
4298 	if (len >= 6)
4299 		connector->hdr_sink_metadata.hdmi_type1.min_cll = db[6];
4300 }
4301 
4302 static void
4303 drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db)
4304 {
4305 	u8 len = cea_db_payload_len(db);
4306 
4307 	if (len >= 6 && (db[6] & (1 << 7)))
4308 		connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI;
4309 	if (len >= 8) {
4310 		connector->latency_present[0] = db[8] >> 7;
4311 		connector->latency_present[1] = (db[8] >> 6) & 1;
4312 	}
4313 	if (len >= 9)
4314 		connector->video_latency[0] = db[9];
4315 	if (len >= 10)
4316 		connector->audio_latency[0] = db[10];
4317 	if (len >= 11)
4318 		connector->video_latency[1] = db[11];
4319 	if (len >= 12)
4320 		connector->audio_latency[1] = db[12];
4321 
4322 	DRM_DEBUG_KMS("HDMI: latency present %d %d, "
4323 		      "video latency %d %d, "
4324 		      "audio latency %d %d\n",
4325 		      connector->latency_present[0],
4326 		      connector->latency_present[1],
4327 		      connector->video_latency[0],
4328 		      connector->video_latency[1],
4329 		      connector->audio_latency[0],
4330 		      connector->audio_latency[1]);
4331 }
4332 
4333 static void
4334 monitor_name(struct detailed_timing *t, void *data)
4335 {
4336 	if (!is_display_descriptor((const u8 *)t, EDID_DETAIL_MONITOR_NAME))
4337 		return;
4338 
4339 	*(u8 **)data = t->data.other_data.data.str.str;
4340 }
4341 
4342 static int get_monitor_name(struct edid *edid, char name[13])
4343 {
4344 	char *edid_name = NULL;
4345 	int mnl;
4346 
4347 	if (!edid || !name)
4348 		return 0;
4349 
4350 	drm_for_each_detailed_block((u8 *)edid, monitor_name, &edid_name);
4351 	for (mnl = 0; edid_name && mnl < 13; mnl++) {
4352 		if (edid_name[mnl] == 0x0a)
4353 			break;
4354 
4355 		name[mnl] = edid_name[mnl];
4356 	}
4357 
4358 	return mnl;
4359 }
4360 
4361 /**
4362  * drm_edid_get_monitor_name - fetch the monitor name from the edid
4363  * @edid: monitor EDID information
4364  * @name: pointer to a character array to hold the name of the monitor
4365  * @bufsize: The size of the name buffer (should be at least 14 chars.)
4366  *
4367  */
4368 void drm_edid_get_monitor_name(struct edid *edid, char *name, int bufsize)
4369 {
4370 	int name_length;
4371 	char buf[13];
4372 
4373 	if (bufsize <= 0)
4374 		return;
4375 
4376 	name_length = min(get_monitor_name(edid, buf), bufsize - 1);
4377 	memcpy(name, buf, name_length);
4378 	name[name_length] = '\0';
4379 }
4380 EXPORT_SYMBOL(drm_edid_get_monitor_name);
4381 
4382 static void clear_eld(struct drm_connector *connector)
4383 {
4384 	memset(connector->eld, 0, sizeof(connector->eld));
4385 
4386 	connector->latency_present[0] = false;
4387 	connector->latency_present[1] = false;
4388 	connector->video_latency[0] = 0;
4389 	connector->audio_latency[0] = 0;
4390 	connector->video_latency[1] = 0;
4391 	connector->audio_latency[1] = 0;
4392 }
4393 
4394 /*
4395  * drm_edid_to_eld - build ELD from EDID
4396  * @connector: connector corresponding to the HDMI/DP sink
4397  * @edid: EDID to parse
4398  *
4399  * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
4400  * HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
4401  */
4402 static void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
4403 {
4404 	uint8_t *eld = connector->eld;
4405 	u8 *cea;
4406 	u8 *db;
4407 	int total_sad_count = 0;
4408 	int mnl;
4409 	int dbl;
4410 
4411 	clear_eld(connector);
4412 
4413 	if (!edid)
4414 		return;
4415 
4416 	cea = drm_find_cea_extension(edid);
4417 	if (!cea) {
4418 		DRM_DEBUG_KMS("ELD: no CEA Extension found\n");
4419 		return;
4420 	}
4421 
4422 	mnl = get_monitor_name(edid, &eld[DRM_ELD_MONITOR_NAME_STRING]);
4423 	DRM_DEBUG_KMS("ELD monitor %s\n", &eld[DRM_ELD_MONITOR_NAME_STRING]);
4424 
4425 	eld[DRM_ELD_CEA_EDID_VER_MNL] = cea[1] << DRM_ELD_CEA_EDID_VER_SHIFT;
4426 	eld[DRM_ELD_CEA_EDID_VER_MNL] |= mnl;
4427 
4428 	eld[DRM_ELD_VER] = DRM_ELD_VER_CEA861D;
4429 
4430 	eld[DRM_ELD_MANUFACTURER_NAME0] = edid->mfg_id[0];
4431 	eld[DRM_ELD_MANUFACTURER_NAME1] = edid->mfg_id[1];
4432 	eld[DRM_ELD_PRODUCT_CODE0] = edid->prod_code[0];
4433 	eld[DRM_ELD_PRODUCT_CODE1] = edid->prod_code[1];
4434 
4435 	if (cea_revision(cea) >= 3) {
4436 		int i, start, end;
4437 		int sad_count;
4438 
4439 		if (cea_db_offsets(cea, &start, &end)) {
4440 			start = 0;
4441 			end = 0;
4442 		}
4443 
4444 		for_each_cea_db(cea, i, start, end) {
4445 			db = &cea[i];
4446 			dbl = cea_db_payload_len(db);
4447 
4448 			switch (cea_db_tag(db)) {
4449 			case AUDIO_BLOCK:
4450 				/* Audio Data Block, contains SADs */
4451 				sad_count = min(dbl / 3, 15 - total_sad_count);
4452 				if (sad_count >= 1)
4453 					memcpy(&eld[DRM_ELD_CEA_SAD(mnl, total_sad_count)],
4454 					       &db[1], sad_count * 3);
4455 				total_sad_count += sad_count;
4456 				break;
4457 			case SPEAKER_BLOCK:
4458 				/* Speaker Allocation Data Block */
4459 				if (dbl >= 1)
4460 					eld[DRM_ELD_SPEAKER] = db[1];
4461 				break;
4462 			case VENDOR_BLOCK:
4463 				/* HDMI Vendor-Specific Data Block */
4464 				if (cea_db_is_hdmi_vsdb(db))
4465 					drm_parse_hdmi_vsdb_audio(connector, db);
4466 				break;
4467 			default:
4468 				break;
4469 			}
4470 		}
4471 	}
4472 	eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= total_sad_count << DRM_ELD_SAD_COUNT_SHIFT;
4473 
4474 	if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
4475 	    connector->connector_type == DRM_MODE_CONNECTOR_eDP)
4476 		eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_DP;
4477 	else
4478 		eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_HDMI;
4479 
4480 	eld[DRM_ELD_BASELINE_ELD_LEN] =
4481 		DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4);
4482 
4483 	DRM_DEBUG_KMS("ELD size %d, SAD count %d\n",
4484 		      drm_eld_size(eld), total_sad_count);
4485 }
4486 
4487 /**
4488  * drm_edid_to_sad - extracts SADs from EDID
4489  * @edid: EDID to parse
4490  * @sads: pointer that will be set to the extracted SADs
4491  *
4492  * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it.
4493  *
4494  * Note: The returned pointer needs to be freed using kfree().
4495  *
4496  * Return: The number of found SADs or negative number on error.
4497  */
4498 int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads)
4499 {
4500 	int count = 0;
4501 	int i, start, end, dbl;
4502 	u8 *cea;
4503 
4504 	cea = drm_find_cea_extension(edid);
4505 	if (!cea) {
4506 		DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4507 		return 0;
4508 	}
4509 
4510 	if (cea_revision(cea) < 3) {
4511 		DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4512 		return 0;
4513 	}
4514 
4515 	if (cea_db_offsets(cea, &start, &end)) {
4516 		DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4517 		return -EPROTO;
4518 	}
4519 
4520 	for_each_cea_db(cea, i, start, end) {
4521 		u8 *db = &cea[i];
4522 
4523 		if (cea_db_tag(db) == AUDIO_BLOCK) {
4524 			int j;
4525 			dbl = cea_db_payload_len(db);
4526 
4527 			count = dbl / 3; /* SAD is 3B */
4528 			*sads = kcalloc(count, sizeof(**sads), GFP_KERNEL);
4529 			if (!*sads)
4530 				return -ENOMEM;
4531 			for (j = 0; j < count; j++) {
4532 				u8 *sad = &db[1 + j * 3];
4533 
4534 				(*sads)[j].format = (sad[0] & 0x78) >> 3;
4535 				(*sads)[j].channels = sad[0] & 0x7;
4536 				(*sads)[j].freq = sad[1] & 0x7F;
4537 				(*sads)[j].byte2 = sad[2];
4538 			}
4539 			break;
4540 		}
4541 	}
4542 
4543 	return count;
4544 }
4545 EXPORT_SYMBOL(drm_edid_to_sad);
4546 
4547 /**
4548  * drm_edid_to_speaker_allocation - extracts Speaker Allocation Data Blocks from EDID
4549  * @edid: EDID to parse
4550  * @sadb: pointer to the speaker block
4551  *
4552  * Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it.
4553  *
4554  * Note: The returned pointer needs to be freed using kfree().
4555  *
4556  * Return: The number of found Speaker Allocation Blocks or negative number on
4557  * error.
4558  */
4559 int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb)
4560 {
4561 	int count = 0;
4562 	int i, start, end, dbl;
4563 	const u8 *cea;
4564 
4565 	cea = drm_find_cea_extension(edid);
4566 	if (!cea) {
4567 		DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4568 		return 0;
4569 	}
4570 
4571 	if (cea_revision(cea) < 3) {
4572 		DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4573 		return 0;
4574 	}
4575 
4576 	if (cea_db_offsets(cea, &start, &end)) {
4577 		DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4578 		return -EPROTO;
4579 	}
4580 
4581 	for_each_cea_db(cea, i, start, end) {
4582 		const u8 *db = &cea[i];
4583 
4584 		if (cea_db_tag(db) == SPEAKER_BLOCK) {
4585 			dbl = cea_db_payload_len(db);
4586 
4587 			/* Speaker Allocation Data Block */
4588 			if (dbl == 3) {
4589 				*sadb = kmemdup(&db[1], dbl, GFP_KERNEL);
4590 				if (!*sadb)
4591 					return -ENOMEM;
4592 				count = dbl;
4593 				break;
4594 			}
4595 		}
4596 	}
4597 
4598 	return count;
4599 }
4600 EXPORT_SYMBOL(drm_edid_to_speaker_allocation);
4601 
4602 /**
4603  * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay
4604  * @connector: connector associated with the HDMI/DP sink
4605  * @mode: the display mode
4606  *
4607  * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if
4608  * the sink doesn't support audio or video.
4609  */
4610 int drm_av_sync_delay(struct drm_connector *connector,
4611 		      const struct drm_display_mode *mode)
4612 {
4613 	int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
4614 	int a, v;
4615 
4616 	if (!connector->latency_present[0])
4617 		return 0;
4618 	if (!connector->latency_present[1])
4619 		i = 0;
4620 
4621 	a = connector->audio_latency[i];
4622 	v = connector->video_latency[i];
4623 
4624 	/*
4625 	 * HDMI/DP sink doesn't support audio or video?
4626 	 */
4627 	if (a == 255 || v == 255)
4628 		return 0;
4629 
4630 	/*
4631 	 * Convert raw EDID values to millisecond.
4632 	 * Treat unknown latency as 0ms.
4633 	 */
4634 	if (a)
4635 		a = min(2 * (a - 1), 500);
4636 	if (v)
4637 		v = min(2 * (v - 1), 500);
4638 
4639 	return max(v - a, 0);
4640 }
4641 EXPORT_SYMBOL(drm_av_sync_delay);
4642 
4643 /**
4644  * drm_detect_hdmi_monitor - detect whether monitor is HDMI
4645  * @edid: monitor EDID information
4646  *
4647  * Parse the CEA extension according to CEA-861-B.
4648  *
4649  * Drivers that have added the modes parsed from EDID to drm_display_info
4650  * should use &drm_display_info.is_hdmi instead of calling this function.
4651  *
4652  * Return: True if the monitor is HDMI, false if not or unknown.
4653  */
4654 bool drm_detect_hdmi_monitor(struct edid *edid)
4655 {
4656 	u8 *edid_ext;
4657 	int i;
4658 	int start_offset, end_offset;
4659 
4660 	edid_ext = drm_find_cea_extension(edid);
4661 	if (!edid_ext)
4662 		return false;
4663 
4664 	if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4665 		return false;
4666 
4667 	/*
4668 	 * Because HDMI identifier is in Vendor Specific Block,
4669 	 * search it from all data blocks of CEA extension.
4670 	 */
4671 	for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4672 		if (cea_db_is_hdmi_vsdb(&edid_ext[i]))
4673 			return true;
4674 	}
4675 
4676 	return false;
4677 }
4678 EXPORT_SYMBOL(drm_detect_hdmi_monitor);
4679 
4680 /**
4681  * drm_detect_monitor_audio - check monitor audio capability
4682  * @edid: EDID block to scan
4683  *
4684  * Monitor should have CEA extension block.
4685  * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic
4686  * audio' only. If there is any audio extension block and supported
4687  * audio format, assume at least 'basic audio' support, even if 'basic
4688  * audio' is not defined in EDID.
4689  *
4690  * Return: True if the monitor supports audio, false otherwise.
4691  */
4692 bool drm_detect_monitor_audio(struct edid *edid)
4693 {
4694 	u8 *edid_ext;
4695 	int i, j;
4696 	bool has_audio = false;
4697 	int start_offset, end_offset;
4698 
4699 	edid_ext = drm_find_cea_extension(edid);
4700 	if (!edid_ext)
4701 		goto end;
4702 
4703 	has_audio = ((edid_ext[3] & EDID_BASIC_AUDIO) != 0);
4704 
4705 	if (has_audio) {
4706 		DRM_DEBUG_KMS("Monitor has basic audio support\n");
4707 		goto end;
4708 	}
4709 
4710 	if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4711 		goto end;
4712 
4713 	for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4714 		if (cea_db_tag(&edid_ext[i]) == AUDIO_BLOCK) {
4715 			has_audio = true;
4716 			for (j = 1; j < cea_db_payload_len(&edid_ext[i]) + 1; j += 3)
4717 				DRM_DEBUG_KMS("CEA audio format %d\n",
4718 					      (edid_ext[i + j] >> 3) & 0xf);
4719 			goto end;
4720 		}
4721 	}
4722 end:
4723 	return has_audio;
4724 }
4725 EXPORT_SYMBOL(drm_detect_monitor_audio);
4726 
4727 
4728 /**
4729  * drm_default_rgb_quant_range - default RGB quantization range
4730  * @mode: display mode
4731  *
4732  * Determine the default RGB quantization range for the mode,
4733  * as specified in CEA-861.
4734  *
4735  * Return: The default RGB quantization range for the mode
4736  */
4737 enum hdmi_quantization_range
4738 drm_default_rgb_quant_range(const struct drm_display_mode *mode)
4739 {
4740 	/* All CEA modes other than VIC 1 use limited quantization range. */
4741 	return drm_match_cea_mode(mode) > 1 ?
4742 		HDMI_QUANTIZATION_RANGE_LIMITED :
4743 		HDMI_QUANTIZATION_RANGE_FULL;
4744 }
4745 EXPORT_SYMBOL(drm_default_rgb_quant_range);
4746 
4747 static void drm_parse_vcdb(struct drm_connector *connector, const u8 *db)
4748 {
4749 	struct drm_display_info *info = &connector->display_info;
4750 
4751 	DRM_DEBUG_KMS("CEA VCDB 0x%02x\n", db[2]);
4752 
4753 	if (db[2] & EDID_CEA_VCDB_QS)
4754 		info->rgb_quant_range_selectable = true;
4755 }
4756 
4757 static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector,
4758 					       const u8 *db)
4759 {
4760 	u8 dc_mask;
4761 	struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
4762 
4763 	dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK;
4764 	hdmi->y420_dc_modes = dc_mask;
4765 }
4766 
4767 static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector,
4768 				 const u8 *hf_vsdb)
4769 {
4770 	struct drm_display_info *display = &connector->display_info;
4771 	struct drm_hdmi_info *hdmi = &display->hdmi;
4772 
4773 	display->has_hdmi_infoframe = true;
4774 
4775 	if (hf_vsdb[6] & 0x80) {
4776 		hdmi->scdc.supported = true;
4777 		if (hf_vsdb[6] & 0x40)
4778 			hdmi->scdc.read_request = true;
4779 	}
4780 
4781 	/*
4782 	 * All HDMI 2.0 monitors must support scrambling at rates > 340 MHz.
4783 	 * And as per the spec, three factors confirm this:
4784 	 * * Availability of a HF-VSDB block in EDID (check)
4785 	 * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check)
4786 	 * * SCDC support available (let's check)
4787 	 * Lets check it out.
4788 	 */
4789 
4790 	if (hf_vsdb[5]) {
4791 		/* max clock is 5000 KHz times block value */
4792 		u32 max_tmds_clock = hf_vsdb[5] * 5000;
4793 		struct drm_scdc *scdc = &hdmi->scdc;
4794 
4795 		if (max_tmds_clock > 340000) {
4796 			display->max_tmds_clock = max_tmds_clock;
4797 			DRM_DEBUG_KMS("HF-VSDB: max TMDS clock %d kHz\n",
4798 				display->max_tmds_clock);
4799 		}
4800 
4801 		if (scdc->supported) {
4802 			scdc->scrambling.supported = true;
4803 
4804 			/* Few sinks support scrambling for clocks < 340M */
4805 			if ((hf_vsdb[6] & 0x8))
4806 				scdc->scrambling.low_rates = true;
4807 		}
4808 	}
4809 
4810 	drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb);
4811 }
4812 
4813 static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector,
4814 					   const u8 *hdmi)
4815 {
4816 	struct drm_display_info *info = &connector->display_info;
4817 	unsigned int dc_bpc = 0;
4818 
4819 	/* HDMI supports at least 8 bpc */
4820 	info->bpc = 8;
4821 
4822 	if (cea_db_payload_len(hdmi) < 6)
4823 		return;
4824 
4825 	if (hdmi[6] & DRM_EDID_HDMI_DC_30) {
4826 		dc_bpc = 10;
4827 		info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_30;
4828 		DRM_DEBUG("%s: HDMI sink does deep color 30.\n",
4829 			  connector->name);
4830 	}
4831 
4832 	if (hdmi[6] & DRM_EDID_HDMI_DC_36) {
4833 		dc_bpc = 12;
4834 		info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_36;
4835 		DRM_DEBUG("%s: HDMI sink does deep color 36.\n",
4836 			  connector->name);
4837 	}
4838 
4839 	if (hdmi[6] & DRM_EDID_HDMI_DC_48) {
4840 		dc_bpc = 16;
4841 		info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_48;
4842 		DRM_DEBUG("%s: HDMI sink does deep color 48.\n",
4843 			  connector->name);
4844 	}
4845 
4846 	if (dc_bpc == 0) {
4847 		DRM_DEBUG("%s: No deep color support on this HDMI sink.\n",
4848 			  connector->name);
4849 		return;
4850 	}
4851 
4852 	DRM_DEBUG("%s: Assigning HDMI sink color depth as %d bpc.\n",
4853 		  connector->name, dc_bpc);
4854 	info->bpc = dc_bpc;
4855 
4856 	/*
4857 	 * Deep color support mandates RGB444 support for all video
4858 	 * modes and forbids YCRCB422 support for all video modes per
4859 	 * HDMI 1.3 spec.
4860 	 */
4861 	info->color_formats = DRM_COLOR_FORMAT_RGB444;
4862 
4863 	/* YCRCB444 is optional according to spec. */
4864 	if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) {
4865 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
4866 		DRM_DEBUG("%s: HDMI sink does YCRCB444 in deep color.\n",
4867 			  connector->name);
4868 	}
4869 
4870 	/*
4871 	 * Spec says that if any deep color mode is supported at all,
4872 	 * then deep color 36 bit must be supported.
4873 	 */
4874 	if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) {
4875 		DRM_DEBUG("%s: HDMI sink should do DC_36, but does not!\n",
4876 			  connector->name);
4877 	}
4878 }
4879 
4880 static void
4881 drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db)
4882 {
4883 	struct drm_display_info *info = &connector->display_info;
4884 	u8 len = cea_db_payload_len(db);
4885 
4886 	info->is_hdmi = true;
4887 
4888 	if (len >= 6)
4889 		info->dvi_dual = db[6] & 1;
4890 	if (len >= 7)
4891 		info->max_tmds_clock = db[7] * 5000;
4892 
4893 	DRM_DEBUG_KMS("HDMI: DVI dual %d, "
4894 		      "max TMDS clock %d kHz\n",
4895 		      info->dvi_dual,
4896 		      info->max_tmds_clock);
4897 
4898 	drm_parse_hdmi_deep_color_info(connector, db);
4899 }
4900 
4901 static void drm_parse_cea_ext(struct drm_connector *connector,
4902 			      const struct edid *edid)
4903 {
4904 	struct drm_display_info *info = &connector->display_info;
4905 	const u8 *edid_ext;
4906 	int i, start, end;
4907 
4908 	edid_ext = drm_find_cea_extension(edid);
4909 	if (!edid_ext)
4910 		return;
4911 
4912 	info->cea_rev = edid_ext[1];
4913 
4914 	/* The existence of a CEA block should imply RGB support */
4915 	info->color_formats = DRM_COLOR_FORMAT_RGB444;
4916 	if (edid_ext[3] & EDID_CEA_YCRCB444)
4917 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
4918 	if (edid_ext[3] & EDID_CEA_YCRCB422)
4919 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
4920 
4921 	if (cea_db_offsets(edid_ext, &start, &end))
4922 		return;
4923 
4924 	for_each_cea_db(edid_ext, i, start, end) {
4925 		const u8 *db = &edid_ext[i];
4926 
4927 		if (cea_db_is_hdmi_vsdb(db))
4928 			drm_parse_hdmi_vsdb_video(connector, db);
4929 		if (cea_db_is_hdmi_forum_vsdb(db))
4930 			drm_parse_hdmi_forum_vsdb(connector, db);
4931 		if (cea_db_is_y420cmdb(db))
4932 			drm_parse_y420cmdb_bitmap(connector, db);
4933 		if (cea_db_is_vcdb(db))
4934 			drm_parse_vcdb(connector, db);
4935 		if (cea_db_is_hdmi_hdr_metadata_block(db))
4936 			drm_parse_hdr_metadata_block(connector, db);
4937 	}
4938 }
4939 
4940 static
4941 void get_monitor_range(struct detailed_timing *timing,
4942 		       void *info_monitor_range)
4943 {
4944 	struct drm_monitor_range_info *monitor_range = info_monitor_range;
4945 	const struct detailed_non_pixel *data = &timing->data.other_data;
4946 	const struct detailed_data_monitor_range *range = &data->data.range;
4947 
4948 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
4949 		return;
4950 
4951 	/*
4952 	 * Check for flag range limits only. If flag == 1 then
4953 	 * no additional timing information provided.
4954 	 * Default GTF, GTF Secondary curve and CVT are not
4955 	 * supported
4956 	 */
4957 	if (range->flags != DRM_EDID_RANGE_LIMITS_ONLY_FLAG)
4958 		return;
4959 
4960 	monitor_range->min_vfreq = range->min_vfreq;
4961 	monitor_range->max_vfreq = range->max_vfreq;
4962 }
4963 
4964 static
4965 void drm_get_monitor_range(struct drm_connector *connector,
4966 			   const struct edid *edid)
4967 {
4968 	struct drm_display_info *info = &connector->display_info;
4969 
4970 	if (!version_greater(edid, 1, 1))
4971 		return;
4972 
4973 	drm_for_each_detailed_block((u8 *)edid, get_monitor_range,
4974 				    &info->monitor_range);
4975 
4976 	DRM_DEBUG_KMS("Supported Monitor Refresh rate range is %d Hz - %d Hz\n",
4977 		      info->monitor_range.min_vfreq,
4978 		      info->monitor_range.max_vfreq);
4979 }
4980 
4981 /* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset
4982  * all of the values which would have been set from EDID
4983  */
4984 void
4985 drm_reset_display_info(struct drm_connector *connector)
4986 {
4987 	struct drm_display_info *info = &connector->display_info;
4988 
4989 	info->width_mm = 0;
4990 	info->height_mm = 0;
4991 
4992 	info->bpc = 0;
4993 	info->color_formats = 0;
4994 	info->cea_rev = 0;
4995 	info->max_tmds_clock = 0;
4996 	info->dvi_dual = false;
4997 	info->is_hdmi = false;
4998 	info->has_hdmi_infoframe = false;
4999 	info->rgb_quant_range_selectable = false;
5000 	memset(&info->hdmi, 0, sizeof(info->hdmi));
5001 
5002 	info->non_desktop = 0;
5003 	memset(&info->monitor_range, 0, sizeof(info->monitor_range));
5004 }
5005 
5006 u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid)
5007 {
5008 	struct drm_display_info *info = &connector->display_info;
5009 
5010 	u32 quirks = edid_get_quirks(edid);
5011 
5012 	drm_reset_display_info(connector);
5013 
5014 	info->width_mm = edid->width_cm * 10;
5015 	info->height_mm = edid->height_cm * 10;
5016 
5017 	info->non_desktop = !!(quirks & EDID_QUIRK_NON_DESKTOP);
5018 
5019 	drm_get_monitor_range(connector, edid);
5020 
5021 	DRM_DEBUG_KMS("non_desktop set to %d\n", info->non_desktop);
5022 
5023 	if (edid->revision < 3)
5024 		return quirks;
5025 
5026 	if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
5027 		return quirks;
5028 
5029 	drm_parse_cea_ext(connector, edid);
5030 
5031 	/*
5032 	 * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3?
5033 	 *
5034 	 * For such displays, the DFP spec 1.0, section 3.10 "EDID support"
5035 	 * tells us to assume 8 bpc color depth if the EDID doesn't have
5036 	 * extensions which tell otherwise.
5037 	 */
5038 	if (info->bpc == 0 && edid->revision == 3 &&
5039 	    edid->input & DRM_EDID_DIGITAL_DFP_1_X) {
5040 		info->bpc = 8;
5041 		DRM_DEBUG("%s: Assigning DFP sink color depth as %d bpc.\n",
5042 			  connector->name, info->bpc);
5043 	}
5044 
5045 	/* Only defined for 1.4 with digital displays */
5046 	if (edid->revision < 4)
5047 		return quirks;
5048 
5049 	switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {
5050 	case DRM_EDID_DIGITAL_DEPTH_6:
5051 		info->bpc = 6;
5052 		break;
5053 	case DRM_EDID_DIGITAL_DEPTH_8:
5054 		info->bpc = 8;
5055 		break;
5056 	case DRM_EDID_DIGITAL_DEPTH_10:
5057 		info->bpc = 10;
5058 		break;
5059 	case DRM_EDID_DIGITAL_DEPTH_12:
5060 		info->bpc = 12;
5061 		break;
5062 	case DRM_EDID_DIGITAL_DEPTH_14:
5063 		info->bpc = 14;
5064 		break;
5065 	case DRM_EDID_DIGITAL_DEPTH_16:
5066 		info->bpc = 16;
5067 		break;
5068 	case DRM_EDID_DIGITAL_DEPTH_UNDEF:
5069 	default:
5070 		info->bpc = 0;
5071 		break;
5072 	}
5073 
5074 	DRM_DEBUG("%s: Assigning EDID-1.4 digital sink color depth as %d bpc.\n",
5075 			  connector->name, info->bpc);
5076 
5077 	info->color_formats |= DRM_COLOR_FORMAT_RGB444;
5078 	if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)
5079 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5080 	if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)
5081 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
5082 	return quirks;
5083 }
5084 
5085 static int validate_displayid(u8 *displayid, int length, int idx)
5086 {
5087 	int i;
5088 	u8 csum = 0;
5089 	struct displayid_hdr *base;
5090 
5091 	base = (struct displayid_hdr *)&displayid[idx];
5092 
5093 	DRM_DEBUG_KMS("base revision 0x%x, length %d, %d %d\n",
5094 		      base->rev, base->bytes, base->prod_id, base->ext_count);
5095 
5096 	if (base->bytes + 5 > length - idx)
5097 		return -EINVAL;
5098 	for (i = idx; i <= base->bytes + 5; i++) {
5099 		csum += displayid[i];
5100 	}
5101 	if (csum) {
5102 		DRM_NOTE("DisplayID checksum invalid, remainder is %d\n", csum);
5103 		return -EINVAL;
5104 	}
5105 	return 0;
5106 }
5107 
5108 static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev,
5109 							    struct displayid_detailed_timings_1 *timings)
5110 {
5111 	struct drm_display_mode *mode;
5112 	unsigned pixel_clock = (timings->pixel_clock[0] |
5113 				(timings->pixel_clock[1] << 8) |
5114 				(timings->pixel_clock[2] << 16)) + 1;
5115 	unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;
5116 	unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;
5117 	unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1;
5118 	unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1;
5119 	unsigned vactive = (timings->vactive[0] | timings->vactive[1] << 8) + 1;
5120 	unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1;
5121 	unsigned vsync = (timings->vsync[0] | (timings->vsync[1] & 0x7f) << 8) + 1;
5122 	unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1;
5123 	bool hsync_positive = (timings->hsync[1] >> 7) & 0x1;
5124 	bool vsync_positive = (timings->vsync[1] >> 7) & 0x1;
5125 	mode = drm_mode_create(dev);
5126 	if (!mode)
5127 		return NULL;
5128 
5129 	mode->clock = pixel_clock * 10;
5130 	mode->hdisplay = hactive;
5131 	mode->hsync_start = mode->hdisplay + hsync;
5132 	mode->hsync_end = mode->hsync_start + hsync_width;
5133 	mode->htotal = mode->hdisplay + hblank;
5134 
5135 	mode->vdisplay = vactive;
5136 	mode->vsync_start = mode->vdisplay + vsync;
5137 	mode->vsync_end = mode->vsync_start + vsync_width;
5138 	mode->vtotal = mode->vdisplay + vblank;
5139 
5140 	mode->flags = 0;
5141 	mode->flags |= hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
5142 	mode->flags |= vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
5143 	mode->type = DRM_MODE_TYPE_DRIVER;
5144 
5145 	if (timings->flags & 0x80)
5146 		mode->type |= DRM_MODE_TYPE_PREFERRED;
5147 	mode->vrefresh = drm_mode_vrefresh(mode);
5148 	drm_mode_set_name(mode);
5149 
5150 	return mode;
5151 }
5152 
5153 static int add_displayid_detailed_1_modes(struct drm_connector *connector,
5154 					  struct displayid_block *block)
5155 {
5156 	struct displayid_detailed_timing_block *det = (struct displayid_detailed_timing_block *)block;
5157 	int i;
5158 	int num_timings;
5159 	struct drm_display_mode *newmode;
5160 	int num_modes = 0;
5161 	/* blocks must be multiple of 20 bytes length */
5162 	if (block->num_bytes % 20)
5163 		return 0;
5164 
5165 	num_timings = block->num_bytes / 20;
5166 	for (i = 0; i < num_timings; i++) {
5167 		struct displayid_detailed_timings_1 *timings = &det->timings[i];
5168 
5169 		newmode = drm_mode_displayid_detailed(connector->dev, timings);
5170 		if (!newmode)
5171 			continue;
5172 
5173 		drm_mode_probed_add(connector, newmode);
5174 		num_modes++;
5175 	}
5176 	return num_modes;
5177 }
5178 
5179 static int add_displayid_detailed_modes(struct drm_connector *connector,
5180 					struct edid *edid)
5181 {
5182 	u8 *displayid;
5183 	int ret;
5184 	int idx = 1;
5185 	int length = EDID_LENGTH;
5186 	struct displayid_block *block;
5187 	int num_modes = 0;
5188 
5189 	displayid = drm_find_displayid_extension(edid);
5190 	if (!displayid)
5191 		return 0;
5192 
5193 	ret = validate_displayid(displayid, length, idx);
5194 	if (ret)
5195 		return 0;
5196 
5197 	idx += sizeof(struct displayid_hdr);
5198 	for_each_displayid_db(displayid, block, idx, length) {
5199 		switch (block->tag) {
5200 		case DATA_BLOCK_TYPE_1_DETAILED_TIMING:
5201 			num_modes += add_displayid_detailed_1_modes(connector, block);
5202 			break;
5203 		}
5204 	}
5205 	return num_modes;
5206 }
5207 
5208 /**
5209  * drm_add_edid_modes - add modes from EDID data, if available
5210  * @connector: connector we're probing
5211  * @edid: EDID data
5212  *
5213  * Add the specified modes to the connector's mode list. Also fills out the
5214  * &drm_display_info structure and ELD in @connector with any information which
5215  * can be derived from the edid.
5216  *
5217  * Return: The number of modes added or 0 if we couldn't find any.
5218  */
5219 int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
5220 {
5221 	int num_modes = 0;
5222 	u32 quirks;
5223 
5224 	if (edid == NULL) {
5225 		clear_eld(connector);
5226 		return 0;
5227 	}
5228 	if (!drm_edid_is_valid(edid)) {
5229 		clear_eld(connector);
5230 		dev_warn(connector->dev->dev, "%s: EDID invalid.\n",
5231 			 connector->name);
5232 		return 0;
5233 	}
5234 
5235 	drm_edid_to_eld(connector, edid);
5236 
5237 	/*
5238 	 * CEA-861-F adds ycbcr capability map block, for HDMI 2.0 sinks.
5239 	 * To avoid multiple parsing of same block, lets parse that map
5240 	 * from sink info, before parsing CEA modes.
5241 	 */
5242 	quirks = drm_add_display_info(connector, edid);
5243 
5244 	/*
5245 	 * EDID spec says modes should be preferred in this order:
5246 	 * - preferred detailed mode
5247 	 * - other detailed modes from base block
5248 	 * - detailed modes from extension blocks
5249 	 * - CVT 3-byte code modes
5250 	 * - standard timing codes
5251 	 * - established timing codes
5252 	 * - modes inferred from GTF or CVT range information
5253 	 *
5254 	 * We get this pretty much right.
5255 	 *
5256 	 * XXX order for additional mode types in extension blocks?
5257 	 */
5258 	num_modes += add_detailed_modes(connector, edid, quirks);
5259 	num_modes += add_cvt_modes(connector, edid);
5260 	num_modes += add_standard_modes(connector, edid);
5261 	num_modes += add_established_modes(connector, edid);
5262 	num_modes += add_cea_modes(connector, edid);
5263 	num_modes += add_alternate_cea_modes(connector, edid);
5264 	num_modes += add_displayid_detailed_modes(connector, edid);
5265 	if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
5266 		num_modes += add_inferred_modes(connector, edid);
5267 
5268 	if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
5269 		edid_fixup_preferred(connector, quirks);
5270 
5271 	if (quirks & EDID_QUIRK_FORCE_6BPC)
5272 		connector->display_info.bpc = 6;
5273 
5274 	if (quirks & EDID_QUIRK_FORCE_8BPC)
5275 		connector->display_info.bpc = 8;
5276 
5277 	if (quirks & EDID_QUIRK_FORCE_10BPC)
5278 		connector->display_info.bpc = 10;
5279 
5280 	if (quirks & EDID_QUIRK_FORCE_12BPC)
5281 		connector->display_info.bpc = 12;
5282 
5283 	return num_modes;
5284 }
5285 EXPORT_SYMBOL(drm_add_edid_modes);
5286 
5287 /**
5288  * drm_add_modes_noedid - add modes for the connectors without EDID
5289  * @connector: connector we're probing
5290  * @hdisplay: the horizontal display limit
5291  * @vdisplay: the vertical display limit
5292  *
5293  * Add the specified modes to the connector's mode list. Only when the
5294  * hdisplay/vdisplay is not beyond the given limit, it will be added.
5295  *
5296  * Return: The number of modes added or 0 if we couldn't find any.
5297  */
5298 int drm_add_modes_noedid(struct drm_connector *connector,
5299 			int hdisplay, int vdisplay)
5300 {
5301 	int i, count, num_modes = 0;
5302 	struct drm_display_mode *mode;
5303 	struct drm_device *dev = connector->dev;
5304 
5305 	count = ARRAY_SIZE(drm_dmt_modes);
5306 	if (hdisplay < 0)
5307 		hdisplay = 0;
5308 	if (vdisplay < 0)
5309 		vdisplay = 0;
5310 
5311 	for (i = 0; i < count; i++) {
5312 		const struct drm_display_mode *ptr = &drm_dmt_modes[i];
5313 		if (hdisplay && vdisplay) {
5314 			/*
5315 			 * Only when two are valid, they will be used to check
5316 			 * whether the mode should be added to the mode list of
5317 			 * the connector.
5318 			 */
5319 			if (ptr->hdisplay > hdisplay ||
5320 					ptr->vdisplay > vdisplay)
5321 				continue;
5322 		}
5323 		if (drm_mode_vrefresh(ptr) > 61)
5324 			continue;
5325 		mode = drm_mode_duplicate(dev, ptr);
5326 		if (mode) {
5327 			drm_mode_probed_add(connector, mode);
5328 			num_modes++;
5329 		}
5330 	}
5331 	return num_modes;
5332 }
5333 EXPORT_SYMBOL(drm_add_modes_noedid);
5334 
5335 /**
5336  * drm_set_preferred_mode - Sets the preferred mode of a connector
5337  * @connector: connector whose mode list should be processed
5338  * @hpref: horizontal resolution of preferred mode
5339  * @vpref: vertical resolution of preferred mode
5340  *
5341  * Marks a mode as preferred if it matches the resolution specified by @hpref
5342  * and @vpref.
5343  */
5344 void drm_set_preferred_mode(struct drm_connector *connector,
5345 			   int hpref, int vpref)
5346 {
5347 	struct drm_display_mode *mode;
5348 
5349 	list_for_each_entry(mode, &connector->probed_modes, head) {
5350 		if (mode->hdisplay == hpref &&
5351 		    mode->vdisplay == vpref)
5352 			mode->type |= DRM_MODE_TYPE_PREFERRED;
5353 	}
5354 }
5355 EXPORT_SYMBOL(drm_set_preferred_mode);
5356 
5357 static bool is_hdmi2_sink(struct drm_connector *connector)
5358 {
5359 	/*
5360 	 * FIXME: sil-sii8620 doesn't have a connector around when
5361 	 * we need one, so we have to be prepared for a NULL connector.
5362 	 */
5363 	if (!connector)
5364 		return true;
5365 
5366 	return connector->display_info.hdmi.scdc.supported ||
5367 		connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB420;
5368 }
5369 
5370 static inline bool is_eotf_supported(u8 output_eotf, u8 sink_eotf)
5371 {
5372 	return sink_eotf & BIT(output_eotf);
5373 }
5374 
5375 /**
5376  * drm_hdmi_infoframe_set_hdr_metadata() - fill an HDMI DRM infoframe with
5377  *                                         HDR metadata from userspace
5378  * @frame: HDMI DRM infoframe
5379  * @conn_state: Connector state containing HDR metadata
5380  *
5381  * Return: 0 on success or a negative error code on failure.
5382  */
5383 int
5384 drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
5385 				    const struct drm_connector_state *conn_state)
5386 {
5387 	struct drm_connector *connector;
5388 	struct hdr_output_metadata *hdr_metadata;
5389 	int err;
5390 
5391 	if (!frame || !conn_state)
5392 		return -EINVAL;
5393 
5394 	connector = conn_state->connector;
5395 
5396 	if (!conn_state->hdr_output_metadata)
5397 		return -EINVAL;
5398 
5399 	hdr_metadata = conn_state->hdr_output_metadata->data;
5400 
5401 	if (!hdr_metadata || !connector)
5402 		return -EINVAL;
5403 
5404 	/* Sink EOTF is Bit map while infoframe is absolute values */
5405 	if (!is_eotf_supported(hdr_metadata->hdmi_metadata_type1.eotf,
5406 	    connector->hdr_sink_metadata.hdmi_type1.eotf)) {
5407 		DRM_DEBUG_KMS("EOTF Not Supported\n");
5408 		return -EINVAL;
5409 	}
5410 
5411 	err = hdmi_drm_infoframe_init(frame);
5412 	if (err < 0)
5413 		return err;
5414 
5415 	frame->eotf = hdr_metadata->hdmi_metadata_type1.eotf;
5416 	frame->metadata_type = hdr_metadata->hdmi_metadata_type1.metadata_type;
5417 
5418 	BUILD_BUG_ON(sizeof(frame->display_primaries) !=
5419 		     sizeof(hdr_metadata->hdmi_metadata_type1.display_primaries));
5420 	BUILD_BUG_ON(sizeof(frame->white_point) !=
5421 		     sizeof(hdr_metadata->hdmi_metadata_type1.white_point));
5422 
5423 	memcpy(&frame->display_primaries,
5424 	       &hdr_metadata->hdmi_metadata_type1.display_primaries,
5425 	       sizeof(frame->display_primaries));
5426 
5427 	memcpy(&frame->white_point,
5428 	       &hdr_metadata->hdmi_metadata_type1.white_point,
5429 	       sizeof(frame->white_point));
5430 
5431 	frame->max_display_mastering_luminance =
5432 		hdr_metadata->hdmi_metadata_type1.max_display_mastering_luminance;
5433 	frame->min_display_mastering_luminance =
5434 		hdr_metadata->hdmi_metadata_type1.min_display_mastering_luminance;
5435 	frame->max_fall = hdr_metadata->hdmi_metadata_type1.max_fall;
5436 	frame->max_cll = hdr_metadata->hdmi_metadata_type1.max_cll;
5437 
5438 	return 0;
5439 }
5440 EXPORT_SYMBOL(drm_hdmi_infoframe_set_hdr_metadata);
5441 
5442 static u8 drm_mode_hdmi_vic(struct drm_connector *connector,
5443 			    const struct drm_display_mode *mode)
5444 {
5445 	bool has_hdmi_infoframe = connector ?
5446 		connector->display_info.has_hdmi_infoframe : false;
5447 
5448 	if (!has_hdmi_infoframe)
5449 		return 0;
5450 
5451 	/* No HDMI VIC when signalling 3D video format */
5452 	if (mode->flags & DRM_MODE_FLAG_3D_MASK)
5453 		return 0;
5454 
5455 	return drm_match_hdmi_mode(mode);
5456 }
5457 
5458 static u8 drm_mode_cea_vic(struct drm_connector *connector,
5459 			   const struct drm_display_mode *mode)
5460 {
5461 	u8 vic;
5462 
5463 	/*
5464 	 * HDMI spec says if a mode is found in HDMI 1.4b 4K modes
5465 	 * we should send its VIC in vendor infoframes, else send the
5466 	 * VIC in AVI infoframes. Lets check if this mode is present in
5467 	 * HDMI 1.4b 4K modes
5468 	 */
5469 	if (drm_mode_hdmi_vic(connector, mode))
5470 		return 0;
5471 
5472 	vic = drm_match_cea_mode(mode);
5473 
5474 	/*
5475 	 * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but
5476 	 * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we
5477 	 * have to make sure we dont break HDMI 1.4 sinks.
5478 	 */
5479 	if (!is_hdmi2_sink(connector) && vic > 64)
5480 		return 0;
5481 
5482 	return vic;
5483 }
5484 
5485 /**
5486  * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with
5487  *                                              data from a DRM display mode
5488  * @frame: HDMI AVI infoframe
5489  * @connector: the connector
5490  * @mode: DRM display mode
5491  *
5492  * Return: 0 on success or a negative error code on failure.
5493  */
5494 int
5495 drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
5496 					 struct drm_connector *connector,
5497 					 const struct drm_display_mode *mode)
5498 {
5499 	enum hdmi_picture_aspect picture_aspect;
5500 	u8 vic, hdmi_vic;
5501 
5502 	if (!frame || !mode)
5503 		return -EINVAL;
5504 
5505 	hdmi_avi_infoframe_init(frame);
5506 
5507 	if (mode->flags & DRM_MODE_FLAG_DBLCLK)
5508 		frame->pixel_repeat = 1;
5509 
5510 	vic = drm_mode_cea_vic(connector, mode);
5511 	hdmi_vic = drm_mode_hdmi_vic(connector, mode);
5512 
5513 	frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5514 
5515 	/*
5516 	 * As some drivers don't support atomic, we can't use connector state.
5517 	 * So just initialize the frame with default values, just the same way
5518 	 * as it's done with other properties here.
5519 	 */
5520 	frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
5521 	frame->itc = 0;
5522 
5523 	/*
5524 	 * Populate picture aspect ratio from either
5525 	 * user input (if specified) or from the CEA/HDMI mode lists.
5526 	 */
5527 	picture_aspect = mode->picture_aspect_ratio;
5528 	if (picture_aspect == HDMI_PICTURE_ASPECT_NONE) {
5529 		if (vic)
5530 			picture_aspect = drm_get_cea_aspect_ratio(vic);
5531 		else if (hdmi_vic)
5532 			picture_aspect = drm_get_hdmi_aspect_ratio(hdmi_vic);
5533 	}
5534 
5535 	/*
5536 	 * The infoframe can't convey anything but none, 4:3
5537 	 * and 16:9, so if the user has asked for anything else
5538 	 * we can only satisfy it by specifying the right VIC.
5539 	 */
5540 	if (picture_aspect > HDMI_PICTURE_ASPECT_16_9) {
5541 		if (vic) {
5542 			if (picture_aspect != drm_get_cea_aspect_ratio(vic))
5543 				return -EINVAL;
5544 		} else if (hdmi_vic) {
5545 			if (picture_aspect != drm_get_hdmi_aspect_ratio(hdmi_vic))
5546 				return -EINVAL;
5547 		} else {
5548 			return -EINVAL;
5549 		}
5550 
5551 		picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5552 	}
5553 
5554 	frame->video_code = vic;
5555 	frame->picture_aspect = picture_aspect;
5556 	frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
5557 	frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
5558 
5559 	return 0;
5560 }
5561 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode);
5562 
5563 /* HDMI Colorspace Spec Definitions */
5564 #define FULL_COLORIMETRY_MASK		0x1FF
5565 #define NORMAL_COLORIMETRY_MASK		0x3
5566 #define EXTENDED_COLORIMETRY_MASK	0x7
5567 #define EXTENDED_ACE_COLORIMETRY_MASK	0xF
5568 
5569 #define C(x) ((x) << 0)
5570 #define EC(x) ((x) << 2)
5571 #define ACE(x) ((x) << 5)
5572 
5573 #define HDMI_COLORIMETRY_NO_DATA		0x0
5574 #define HDMI_COLORIMETRY_SMPTE_170M_YCC		(C(1) | EC(0) | ACE(0))
5575 #define HDMI_COLORIMETRY_BT709_YCC		(C(2) | EC(0) | ACE(0))
5576 #define HDMI_COLORIMETRY_XVYCC_601		(C(3) | EC(0) | ACE(0))
5577 #define HDMI_COLORIMETRY_XVYCC_709		(C(3) | EC(1) | ACE(0))
5578 #define HDMI_COLORIMETRY_SYCC_601		(C(3) | EC(2) | ACE(0))
5579 #define HDMI_COLORIMETRY_OPYCC_601		(C(3) | EC(3) | ACE(0))
5580 #define HDMI_COLORIMETRY_OPRGB			(C(3) | EC(4) | ACE(0))
5581 #define HDMI_COLORIMETRY_BT2020_CYCC		(C(3) | EC(5) | ACE(0))
5582 #define HDMI_COLORIMETRY_BT2020_RGB		(C(3) | EC(6) | ACE(0))
5583 #define HDMI_COLORIMETRY_BT2020_YCC		(C(3) | EC(6) | ACE(0))
5584 #define HDMI_COLORIMETRY_DCI_P3_RGB_D65		(C(3) | EC(7) | ACE(0))
5585 #define HDMI_COLORIMETRY_DCI_P3_RGB_THEATER	(C(3) | EC(7) | ACE(1))
5586 
5587 static const u32 hdmi_colorimetry_val[] = {
5588 	[DRM_MODE_COLORIMETRY_NO_DATA] = HDMI_COLORIMETRY_NO_DATA,
5589 	[DRM_MODE_COLORIMETRY_SMPTE_170M_YCC] = HDMI_COLORIMETRY_SMPTE_170M_YCC,
5590 	[DRM_MODE_COLORIMETRY_BT709_YCC] = HDMI_COLORIMETRY_BT709_YCC,
5591 	[DRM_MODE_COLORIMETRY_XVYCC_601] = HDMI_COLORIMETRY_XVYCC_601,
5592 	[DRM_MODE_COLORIMETRY_XVYCC_709] = HDMI_COLORIMETRY_XVYCC_709,
5593 	[DRM_MODE_COLORIMETRY_SYCC_601] = HDMI_COLORIMETRY_SYCC_601,
5594 	[DRM_MODE_COLORIMETRY_OPYCC_601] = HDMI_COLORIMETRY_OPYCC_601,
5595 	[DRM_MODE_COLORIMETRY_OPRGB] = HDMI_COLORIMETRY_OPRGB,
5596 	[DRM_MODE_COLORIMETRY_BT2020_CYCC] = HDMI_COLORIMETRY_BT2020_CYCC,
5597 	[DRM_MODE_COLORIMETRY_BT2020_RGB] = HDMI_COLORIMETRY_BT2020_RGB,
5598 	[DRM_MODE_COLORIMETRY_BT2020_YCC] = HDMI_COLORIMETRY_BT2020_YCC,
5599 };
5600 
5601 #undef C
5602 #undef EC
5603 #undef ACE
5604 
5605 /**
5606  * drm_hdmi_avi_infoframe_colorspace() - fill the HDMI AVI infoframe
5607  *                                       colorspace information
5608  * @frame: HDMI AVI infoframe
5609  * @conn_state: connector state
5610  */
5611 void
5612 drm_hdmi_avi_infoframe_colorspace(struct hdmi_avi_infoframe *frame,
5613 				  const struct drm_connector_state *conn_state)
5614 {
5615 	u32 colorimetry_val;
5616 	u32 colorimetry_index = conn_state->colorspace & FULL_COLORIMETRY_MASK;
5617 
5618 	if (colorimetry_index >= ARRAY_SIZE(hdmi_colorimetry_val))
5619 		colorimetry_val = HDMI_COLORIMETRY_NO_DATA;
5620 	else
5621 		colorimetry_val = hdmi_colorimetry_val[colorimetry_index];
5622 
5623 	frame->colorimetry = colorimetry_val & NORMAL_COLORIMETRY_MASK;
5624 	/*
5625 	 * ToDo: Extend it for ACE formats as well. Modify the infoframe
5626 	 * structure and extend it in drivers/video/hdmi
5627 	 */
5628 	frame->extended_colorimetry = (colorimetry_val >> 2) &
5629 					EXTENDED_COLORIMETRY_MASK;
5630 }
5631 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_colorspace);
5632 
5633 /**
5634  * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
5635  *                                        quantization range information
5636  * @frame: HDMI AVI infoframe
5637  * @connector: the connector
5638  * @mode: DRM display mode
5639  * @rgb_quant_range: RGB quantization range (Q)
5640  */
5641 void
5642 drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
5643 				   struct drm_connector *connector,
5644 				   const struct drm_display_mode *mode,
5645 				   enum hdmi_quantization_range rgb_quant_range)
5646 {
5647 	const struct drm_display_info *info = &connector->display_info;
5648 
5649 	/*
5650 	 * CEA-861:
5651 	 * "A Source shall not send a non-zero Q value that does not correspond
5652 	 *  to the default RGB Quantization Range for the transmitted Picture
5653 	 *  unless the Sink indicates support for the Q bit in a Video
5654 	 *  Capabilities Data Block."
5655 	 *
5656 	 * HDMI 2.0 recommends sending non-zero Q when it does match the
5657 	 * default RGB quantization range for the mode, even when QS=0.
5658 	 */
5659 	if (info->rgb_quant_range_selectable ||
5660 	    rgb_quant_range == drm_default_rgb_quant_range(mode))
5661 		frame->quantization_range = rgb_quant_range;
5662 	else
5663 		frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
5664 
5665 	/*
5666 	 * CEA-861-F:
5667 	 * "When transmitting any RGB colorimetry, the Source should set the
5668 	 *  YQ-field to match the RGB Quantization Range being transmitted
5669 	 *  (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB,
5670 	 *  set YQ=1) and the Sink shall ignore the YQ-field."
5671 	 *
5672 	 * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused
5673 	 * by non-zero YQ when receiving RGB. There doesn't seem to be any
5674 	 * good way to tell which version of CEA-861 the sink supports, so
5675 	 * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based
5676 	 * on on CEA-861-F.
5677 	 */
5678 	if (!is_hdmi2_sink(connector) ||
5679 	    rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
5680 		frame->ycc_quantization_range =
5681 			HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
5682 	else
5683 		frame->ycc_quantization_range =
5684 			HDMI_YCC_QUANTIZATION_RANGE_FULL;
5685 }
5686 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);
5687 
5688 /**
5689  * drm_hdmi_avi_infoframe_bars() - fill the HDMI AVI infoframe
5690  *                                 bar information
5691  * @frame: HDMI AVI infoframe
5692  * @conn_state: connector state
5693  */
5694 void
5695 drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
5696 			    const struct drm_connector_state *conn_state)
5697 {
5698 	frame->right_bar = conn_state->tv.margins.right;
5699 	frame->left_bar = conn_state->tv.margins.left;
5700 	frame->top_bar = conn_state->tv.margins.top;
5701 	frame->bottom_bar = conn_state->tv.margins.bottom;
5702 }
5703 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_bars);
5704 
5705 static enum hdmi_3d_structure
5706 s3d_structure_from_display_mode(const struct drm_display_mode *mode)
5707 {
5708 	u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK;
5709 
5710 	switch (layout) {
5711 	case DRM_MODE_FLAG_3D_FRAME_PACKING:
5712 		return HDMI_3D_STRUCTURE_FRAME_PACKING;
5713 	case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:
5714 		return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE;
5715 	case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:
5716 		return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE;
5717 	case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:
5718 		return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL;
5719 	case DRM_MODE_FLAG_3D_L_DEPTH:
5720 		return HDMI_3D_STRUCTURE_L_DEPTH;
5721 	case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:
5722 		return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH;
5723 	case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
5724 		return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM;
5725 	case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
5726 		return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF;
5727 	default:
5728 		return HDMI_3D_STRUCTURE_INVALID;
5729 	}
5730 }
5731 
5732 /**
5733  * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with
5734  * data from a DRM display mode
5735  * @frame: HDMI vendor infoframe
5736  * @connector: the connector
5737  * @mode: DRM display mode
5738  *
5739  * Note that there's is a need to send HDMI vendor infoframes only when using a
5740  * 4k or stereoscopic 3D mode. So when giving any other mode as input this
5741  * function will return -EINVAL, error that can be safely ignored.
5742  *
5743  * Return: 0 on success or a negative error code on failure.
5744  */
5745 int
5746 drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
5747 					    struct drm_connector *connector,
5748 					    const struct drm_display_mode *mode)
5749 {
5750 	/*
5751 	 * FIXME: sil-sii8620 doesn't have a connector around when
5752 	 * we need one, so we have to be prepared for a NULL connector.
5753 	 */
5754 	bool has_hdmi_infoframe = connector ?
5755 		connector->display_info.has_hdmi_infoframe : false;
5756 	int err;
5757 
5758 	if (!frame || !mode)
5759 		return -EINVAL;
5760 
5761 	if (!has_hdmi_infoframe)
5762 		return -EINVAL;
5763 
5764 	err = hdmi_vendor_infoframe_init(frame);
5765 	if (err < 0)
5766 		return err;
5767 
5768 	/*
5769 	 * Even if it's not absolutely necessary to send the infoframe
5770 	 * (ie.vic==0 and s3d_struct==0) we will still send it if we
5771 	 * know that the sink can handle it. This is based on a
5772 	 * suggestion in HDMI 2.0 Appendix F. Apparently some sinks
5773 	 * have trouble realizing that they shuld switch from 3D to 2D
5774 	 * mode if the source simply stops sending the infoframe when
5775 	 * it wants to switch from 3D to 2D.
5776 	 */
5777 	frame->vic = drm_mode_hdmi_vic(connector, mode);
5778 	frame->s3d_struct = s3d_structure_from_display_mode(mode);
5779 
5780 	return 0;
5781 }
5782 EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode);
5783 
5784 static int drm_parse_tiled_block(struct drm_connector *connector,
5785 				 struct displayid_block *block)
5786 {
5787 	struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block;
5788 	u16 w, h;
5789 	u8 tile_v_loc, tile_h_loc;
5790 	u8 num_v_tile, num_h_tile;
5791 	struct drm_tile_group *tg;
5792 
5793 	w = tile->tile_size[0] | tile->tile_size[1] << 8;
5794 	h = tile->tile_size[2] | tile->tile_size[3] << 8;
5795 
5796 	num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30);
5797 	num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30);
5798 	tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4);
5799 	tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4);
5800 
5801 	connector->has_tile = true;
5802 	if (tile->tile_cap & 0x80)
5803 		connector->tile_is_single_monitor = true;
5804 
5805 	connector->num_h_tile = num_h_tile + 1;
5806 	connector->num_v_tile = num_v_tile + 1;
5807 	connector->tile_h_loc = tile_h_loc;
5808 	connector->tile_v_loc = tile_v_loc;
5809 	connector->tile_h_size = w + 1;
5810 	connector->tile_v_size = h + 1;
5811 
5812 	DRM_DEBUG_KMS("tile cap 0x%x\n", tile->tile_cap);
5813 	DRM_DEBUG_KMS("tile_size %d x %d\n", w + 1, h + 1);
5814 	DRM_DEBUG_KMS("topo num tiles %dx%d, location %dx%d\n",
5815 		      num_h_tile + 1, num_v_tile + 1, tile_h_loc, tile_v_loc);
5816 	DRM_DEBUG_KMS("vend %c%c%c\n", tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]);
5817 
5818 	tg = drm_mode_get_tile_group(connector->dev, tile->topology_id);
5819 	if (!tg) {
5820 		tg = drm_mode_create_tile_group(connector->dev, tile->topology_id);
5821 	}
5822 	if (!tg)
5823 		return -ENOMEM;
5824 
5825 	if (connector->tile_group != tg) {
5826 		/* if we haven't got a pointer,
5827 		   take the reference, drop ref to old tile group */
5828 		if (connector->tile_group) {
5829 			drm_mode_put_tile_group(connector->dev, connector->tile_group);
5830 		}
5831 		connector->tile_group = tg;
5832 	} else
5833 		/* if same tile group, then release the ref we just took. */
5834 		drm_mode_put_tile_group(connector->dev, tg);
5835 	return 0;
5836 }
5837 
5838 static int drm_parse_display_id(struct drm_connector *connector,
5839 				u8 *displayid, int length,
5840 				bool is_edid_extension)
5841 {
5842 	/* if this is an EDID extension the first byte will be 0x70 */
5843 	int idx = 0;
5844 	struct displayid_block *block;
5845 	int ret;
5846 
5847 	if (is_edid_extension)
5848 		idx = 1;
5849 
5850 	ret = validate_displayid(displayid, length, idx);
5851 	if (ret)
5852 		return ret;
5853 
5854 	idx += sizeof(struct displayid_hdr);
5855 	for_each_displayid_db(displayid, block, idx, length) {
5856 		DRM_DEBUG_KMS("block id 0x%x, rev %d, len %d\n",
5857 			      block->tag, block->rev, block->num_bytes);
5858 
5859 		switch (block->tag) {
5860 		case DATA_BLOCK_TILED_DISPLAY:
5861 			ret = drm_parse_tiled_block(connector, block);
5862 			if (ret)
5863 				return ret;
5864 			break;
5865 		case DATA_BLOCK_TYPE_1_DETAILED_TIMING:
5866 			/* handled in mode gathering code. */
5867 			break;
5868 		case DATA_BLOCK_CTA:
5869 			/* handled in the cea parser code. */
5870 			break;
5871 		default:
5872 			DRM_DEBUG_KMS("found DisplayID tag 0x%x, unhandled\n", block->tag);
5873 			break;
5874 		}
5875 	}
5876 	return 0;
5877 }
5878 
5879 static void drm_get_displayid(struct drm_connector *connector,
5880 			      struct edid *edid)
5881 {
5882 	void *displayid = NULL;
5883 	int ret;
5884 	connector->has_tile = false;
5885 	displayid = drm_find_displayid_extension(edid);
5886 	if (!displayid) {
5887 		/* drop reference to any tile group we had */
5888 		goto out_drop_ref;
5889 	}
5890 
5891 	ret = drm_parse_display_id(connector, displayid, EDID_LENGTH, true);
5892 	if (ret < 0)
5893 		goto out_drop_ref;
5894 	if (!connector->has_tile)
5895 		goto out_drop_ref;
5896 	return;
5897 out_drop_ref:
5898 	if (connector->tile_group) {
5899 		drm_mode_put_tile_group(connector->dev, connector->tile_group);
5900 		connector->tile_group = NULL;
5901 	}
5902 	return;
5903 }
5904