xref: /openbsd-src/sys/dev/pci/drm/drm_edid.c (revision 824adb5411e4389b29bae28eba5c2c2bbd147f34)
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, CV1 and Rift S VR Headsets */
195 	{ "OVR", 0x0001, EDID_QUIRK_NON_DESKTOP },
196 	{ "OVR", 0x0003, EDID_QUIRK_NON_DESKTOP },
197 	{ "OVR", 0x0004, EDID_QUIRK_NON_DESKTOP },
198 	{ "OVR", 0x0012, EDID_QUIRK_NON_DESKTOP },
199 
200 	/* Windows Mixed Reality Headsets */
201 	{ "ACR", 0x7fce, EDID_QUIRK_NON_DESKTOP },
202 	{ "HPN", 0x3515, EDID_QUIRK_NON_DESKTOP },
203 	{ "LEN", 0x0408, EDID_QUIRK_NON_DESKTOP },
204 	{ "LEN", 0xb800, EDID_QUIRK_NON_DESKTOP },
205 	{ "FUJ", 0x1970, EDID_QUIRK_NON_DESKTOP },
206 	{ "DEL", 0x7fce, EDID_QUIRK_NON_DESKTOP },
207 	{ "SEC", 0x144a, EDID_QUIRK_NON_DESKTOP },
208 	{ "AUS", 0xc102, EDID_QUIRK_NON_DESKTOP },
209 
210 	/* Sony PlayStation VR Headset */
211 	{ "SNY", 0x0704, EDID_QUIRK_NON_DESKTOP },
212 
213 	/* Sensics VR Headsets */
214 	{ "SEN", 0x1019, EDID_QUIRK_NON_DESKTOP },
215 
216 	/* OSVR HDK and HDK2 VR Headsets */
217 	{ "SVR", 0x1019, EDID_QUIRK_NON_DESKTOP },
218 };
219 
220 /*
221  * Autogenerated from the DMT spec.
222  * This table is copied from xfree86/modes/xf86EdidModes.c.
223  */
224 static const struct drm_display_mode drm_dmt_modes[] = {
225 	/* 0x01 - 640x350@85Hz */
226 	{ DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
227 		   736, 832, 0, 350, 382, 385, 445, 0,
228 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
229 	/* 0x02 - 640x400@85Hz */
230 	{ DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
231 		   736, 832, 0, 400, 401, 404, 445, 0,
232 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
233 	/* 0x03 - 720x400@85Hz */
234 	{ DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 756,
235 		   828, 936, 0, 400, 401, 404, 446, 0,
236 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
237 	/* 0x04 - 640x480@60Hz */
238 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
239 		   752, 800, 0, 480, 490, 492, 525, 0,
240 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
241 	/* 0x05 - 640x480@72Hz */
242 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
243 		   704, 832, 0, 480, 489, 492, 520, 0,
244 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
245 	/* 0x06 - 640x480@75Hz */
246 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
247 		   720, 840, 0, 480, 481, 484, 500, 0,
248 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
249 	/* 0x07 - 640x480@85Hz */
250 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 36000, 640, 696,
251 		   752, 832, 0, 480, 481, 484, 509, 0,
252 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
253 	/* 0x08 - 800x600@56Hz */
254 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
255 		   896, 1024, 0, 600, 601, 603, 625, 0,
256 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
257 	/* 0x09 - 800x600@60Hz */
258 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
259 		   968, 1056, 0, 600, 601, 605, 628, 0,
260 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
261 	/* 0x0a - 800x600@72Hz */
262 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
263 		   976, 1040, 0, 600, 637, 643, 666, 0,
264 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
265 	/* 0x0b - 800x600@75Hz */
266 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
267 		   896, 1056, 0, 600, 601, 604, 625, 0,
268 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
269 	/* 0x0c - 800x600@85Hz */
270 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 56250, 800, 832,
271 		   896, 1048, 0, 600, 601, 604, 631, 0,
272 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
273 	/* 0x0d - 800x600@120Hz RB */
274 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 73250, 800, 848,
275 		   880, 960, 0, 600, 603, 607, 636, 0,
276 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
277 	/* 0x0e - 848x480@60Hz */
278 	{ DRM_MODE("848x480", DRM_MODE_TYPE_DRIVER, 33750, 848, 864,
279 		   976, 1088, 0, 480, 486, 494, 517, 0,
280 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
281 	/* 0x0f - 1024x768@43Hz, interlace */
282 	{ DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032,
283 		   1208, 1264, 0, 768, 768, 776, 817, 0,
284 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
285 		   DRM_MODE_FLAG_INTERLACE) },
286 	/* 0x10 - 1024x768@60Hz */
287 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
288 		   1184, 1344, 0, 768, 771, 777, 806, 0,
289 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
290 	/* 0x11 - 1024x768@70Hz */
291 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
292 		   1184, 1328, 0, 768, 771, 777, 806, 0,
293 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
294 	/* 0x12 - 1024x768@75Hz */
295 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
296 		   1136, 1312, 0, 768, 769, 772, 800, 0,
297 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
298 	/* 0x13 - 1024x768@85Hz */
299 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 94500, 1024, 1072,
300 		   1168, 1376, 0, 768, 769, 772, 808, 0,
301 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
302 	/* 0x14 - 1024x768@120Hz RB */
303 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 115500, 1024, 1072,
304 		   1104, 1184, 0, 768, 771, 775, 813, 0,
305 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
306 	/* 0x15 - 1152x864@75Hz */
307 	{ DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
308 		   1344, 1600, 0, 864, 865, 868, 900, 0,
309 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
310 	/* 0x55 - 1280x720@60Hz */
311 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
312 		   1430, 1650, 0, 720, 725, 730, 750, 0,
313 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
314 	/* 0x16 - 1280x768@60Hz RB */
315 	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 68250, 1280, 1328,
316 		   1360, 1440, 0, 768, 771, 778, 790, 0,
317 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
318 	/* 0x17 - 1280x768@60Hz */
319 	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
320 		   1472, 1664, 0, 768, 771, 778, 798, 0,
321 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
322 	/* 0x18 - 1280x768@75Hz */
323 	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 102250, 1280, 1360,
324 		   1488, 1696, 0, 768, 771, 778, 805, 0,
325 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
326 	/* 0x19 - 1280x768@85Hz */
327 	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 117500, 1280, 1360,
328 		   1496, 1712, 0, 768, 771, 778, 809, 0,
329 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
330 	/* 0x1a - 1280x768@120Hz RB */
331 	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 140250, 1280, 1328,
332 		   1360, 1440, 0, 768, 771, 778, 813, 0,
333 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
334 	/* 0x1b - 1280x800@60Hz RB */
335 	{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 71000, 1280, 1328,
336 		   1360, 1440, 0, 800, 803, 809, 823, 0,
337 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
338 	/* 0x1c - 1280x800@60Hz */
339 	{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
340 		   1480, 1680, 0, 800, 803, 809, 831, 0,
341 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
342 	/* 0x1d - 1280x800@75Hz */
343 	{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 106500, 1280, 1360,
344 		   1488, 1696, 0, 800, 803, 809, 838, 0,
345 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
346 	/* 0x1e - 1280x800@85Hz */
347 	{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 122500, 1280, 1360,
348 		   1496, 1712, 0, 800, 803, 809, 843, 0,
349 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
350 	/* 0x1f - 1280x800@120Hz RB */
351 	{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 146250, 1280, 1328,
352 		   1360, 1440, 0, 800, 803, 809, 847, 0,
353 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
354 	/* 0x20 - 1280x960@60Hz */
355 	{ DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
356 		   1488, 1800, 0, 960, 961, 964, 1000, 0,
357 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
358 	/* 0x21 - 1280x960@85Hz */
359 	{ DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1344,
360 		   1504, 1728, 0, 960, 961, 964, 1011, 0,
361 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
362 	/* 0x22 - 1280x960@120Hz RB */
363 	{ DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 175500, 1280, 1328,
364 		   1360, 1440, 0, 960, 963, 967, 1017, 0,
365 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
366 	/* 0x23 - 1280x1024@60Hz */
367 	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
368 		   1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
369 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
370 	/* 0x24 - 1280x1024@75Hz */
371 	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
372 		   1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
373 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
374 	/* 0x25 - 1280x1024@85Hz */
375 	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 157500, 1280, 1344,
376 		   1504, 1728, 0, 1024, 1025, 1028, 1072, 0,
377 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
378 	/* 0x26 - 1280x1024@120Hz RB */
379 	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 187250, 1280, 1328,
380 		   1360, 1440, 0, 1024, 1027, 1034, 1084, 0,
381 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
382 	/* 0x27 - 1360x768@60Hz */
383 	{ DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
384 		   1536, 1792, 0, 768, 771, 777, 795, 0,
385 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
386 	/* 0x28 - 1360x768@120Hz RB */
387 	{ DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 148250, 1360, 1408,
388 		   1440, 1520, 0, 768, 771, 776, 813, 0,
389 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
390 	/* 0x51 - 1366x768@60Hz */
391 	{ DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 85500, 1366, 1436,
392 		   1579, 1792, 0, 768, 771, 774, 798, 0,
393 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
394 	/* 0x56 - 1366x768@60Hz */
395 	{ DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 72000, 1366, 1380,
396 		   1436, 1500, 0, 768, 769, 772, 800, 0,
397 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
398 	/* 0x29 - 1400x1050@60Hz RB */
399 	{ DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 101000, 1400, 1448,
400 		   1480, 1560, 0, 1050, 1053, 1057, 1080, 0,
401 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
402 	/* 0x2a - 1400x1050@60Hz */
403 	{ DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
404 		   1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
405 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
406 	/* 0x2b - 1400x1050@75Hz */
407 	{ DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 156000, 1400, 1504,
408 		   1648, 1896, 0, 1050, 1053, 1057, 1099, 0,
409 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
410 	/* 0x2c - 1400x1050@85Hz */
411 	{ DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 179500, 1400, 1504,
412 		   1656, 1912, 0, 1050, 1053, 1057, 1105, 0,
413 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
414 	/* 0x2d - 1400x1050@120Hz RB */
415 	{ DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 208000, 1400, 1448,
416 		   1480, 1560, 0, 1050, 1053, 1057, 1112, 0,
417 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
418 	/* 0x2e - 1440x900@60Hz RB */
419 	{ DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 88750, 1440, 1488,
420 		   1520, 1600, 0, 900, 903, 909, 926, 0,
421 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
422 	/* 0x2f - 1440x900@60Hz */
423 	{ DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
424 		   1672, 1904, 0, 900, 903, 909, 934, 0,
425 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
426 	/* 0x30 - 1440x900@75Hz */
427 	{ DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 136750, 1440, 1536,
428 		   1688, 1936, 0, 900, 903, 909, 942, 0,
429 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
430 	/* 0x31 - 1440x900@85Hz */
431 	{ DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 157000, 1440, 1544,
432 		   1696, 1952, 0, 900, 903, 909, 948, 0,
433 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
434 	/* 0x32 - 1440x900@120Hz RB */
435 	{ DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 182750, 1440, 1488,
436 		   1520, 1600, 0, 900, 903, 909, 953, 0,
437 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
438 	/* 0x53 - 1600x900@60Hz */
439 	{ DRM_MODE("1600x900", DRM_MODE_TYPE_DRIVER, 108000, 1600, 1624,
440 		   1704, 1800, 0, 900, 901, 904, 1000, 0,
441 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
442 	/* 0x33 - 1600x1200@60Hz */
443 	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
444 		   1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
445 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
446 	/* 0x34 - 1600x1200@65Hz */
447 	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 175500, 1600, 1664,
448 		   1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
449 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
450 	/* 0x35 - 1600x1200@70Hz */
451 	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 189000, 1600, 1664,
452 		   1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
453 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
454 	/* 0x36 - 1600x1200@75Hz */
455 	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 202500, 1600, 1664,
456 		   1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
457 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
458 	/* 0x37 - 1600x1200@85Hz */
459 	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 229500, 1600, 1664,
460 		   1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
461 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
462 	/* 0x38 - 1600x1200@120Hz RB */
463 	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 268250, 1600, 1648,
464 		   1680, 1760, 0, 1200, 1203, 1207, 1271, 0,
465 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
466 	/* 0x39 - 1680x1050@60Hz RB */
467 	{ DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 119000, 1680, 1728,
468 		   1760, 1840, 0, 1050, 1053, 1059, 1080, 0,
469 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
470 	/* 0x3a - 1680x1050@60Hz */
471 	{ DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
472 		   1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
473 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
474 	/* 0x3b - 1680x1050@75Hz */
475 	{ DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 187000, 1680, 1800,
476 		   1976, 2272, 0, 1050, 1053, 1059, 1099, 0,
477 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
478 	/* 0x3c - 1680x1050@85Hz */
479 	{ DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 214750, 1680, 1808,
480 		   1984, 2288, 0, 1050, 1053, 1059, 1105, 0,
481 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
482 	/* 0x3d - 1680x1050@120Hz RB */
483 	{ DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 245500, 1680, 1728,
484 		   1760, 1840, 0, 1050, 1053, 1059, 1112, 0,
485 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
486 	/* 0x3e - 1792x1344@60Hz */
487 	{ DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
488 		   2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
489 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
490 	/* 0x3f - 1792x1344@75Hz */
491 	{ DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 261000, 1792, 1888,
492 		   2104, 2456, 0, 1344, 1345, 1348, 1417, 0,
493 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
494 	/* 0x40 - 1792x1344@120Hz RB */
495 	{ DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 333250, 1792, 1840,
496 		   1872, 1952, 0, 1344, 1347, 1351, 1423, 0,
497 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
498 	/* 0x41 - 1856x1392@60Hz */
499 	{ DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
500 		   2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
501 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
502 	/* 0x42 - 1856x1392@75Hz */
503 	{ DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 288000, 1856, 1984,
504 		   2208, 2560, 0, 1392, 1393, 1396, 1500, 0,
505 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
506 	/* 0x43 - 1856x1392@120Hz RB */
507 	{ DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 356500, 1856, 1904,
508 		   1936, 2016, 0, 1392, 1395, 1399, 1474, 0,
509 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
510 	/* 0x52 - 1920x1080@60Hz */
511 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
512 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
513 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
514 	/* 0x44 - 1920x1200@60Hz RB */
515 	{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 154000, 1920, 1968,
516 		   2000, 2080, 0, 1200, 1203, 1209, 1235, 0,
517 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
518 	/* 0x45 - 1920x1200@60Hz */
519 	{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
520 		   2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
521 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
522 	/* 0x46 - 1920x1200@75Hz */
523 	{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 245250, 1920, 2056,
524 		   2264, 2608, 0, 1200, 1203, 1209, 1255, 0,
525 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
526 	/* 0x47 - 1920x1200@85Hz */
527 	{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 281250, 1920, 2064,
528 		   2272, 2624, 0, 1200, 1203, 1209, 1262, 0,
529 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
530 	/* 0x48 - 1920x1200@120Hz RB */
531 	{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 317000, 1920, 1968,
532 		   2000, 2080, 0, 1200, 1203, 1209, 1271, 0,
533 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
534 	/* 0x49 - 1920x1440@60Hz */
535 	{ DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
536 		   2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
537 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
538 	/* 0x4a - 1920x1440@75Hz */
539 	{ DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2064,
540 		   2288, 2640, 0, 1440, 1441, 1444, 1500, 0,
541 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
542 	/* 0x4b - 1920x1440@120Hz RB */
543 	{ DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 380500, 1920, 1968,
544 		   2000, 2080, 0, 1440, 1443, 1447, 1525, 0,
545 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
546 	/* 0x54 - 2048x1152@60Hz */
547 	{ DRM_MODE("2048x1152", DRM_MODE_TYPE_DRIVER, 162000, 2048, 2074,
548 		   2154, 2250, 0, 1152, 1153, 1156, 1200, 0,
549 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
550 	/* 0x4c - 2560x1600@60Hz RB */
551 	{ DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 268500, 2560, 2608,
552 		   2640, 2720, 0, 1600, 1603, 1609, 1646, 0,
553 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
554 	/* 0x4d - 2560x1600@60Hz */
555 	{ DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
556 		   3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
557 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
558 	/* 0x4e - 2560x1600@75Hz */
559 	{ DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 443250, 2560, 2768,
560 		   3048, 3536, 0, 1600, 1603, 1609, 1672, 0,
561 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
562 	/* 0x4f - 2560x1600@85Hz */
563 	{ DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 505250, 2560, 2768,
564 		   3048, 3536, 0, 1600, 1603, 1609, 1682, 0,
565 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
566 	/* 0x50 - 2560x1600@120Hz RB */
567 	{ DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 552750, 2560, 2608,
568 		   2640, 2720, 0, 1600, 1603, 1609, 1694, 0,
569 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
570 	/* 0x57 - 4096x2160@60Hz RB */
571 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556744, 4096, 4104,
572 		   4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
573 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
574 	/* 0x58 - 4096x2160@59.94Hz RB */
575 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556188, 4096, 4104,
576 		   4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
577 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
578 };
579 
580 /*
581  * These more or less come from the DMT spec.  The 720x400 modes are
582  * inferred from historical 80x25 practice.  The 640x480@67 and 832x624@75
583  * modes are old-school Mac modes.  The EDID spec says the 1152x864@75 mode
584  * should be 1152x870, again for the Mac, but instead we use the x864 DMT
585  * mode.
586  *
587  * The DMT modes have been fact-checked; the rest are mild guesses.
588  */
589 static const struct drm_display_mode edid_est_modes[] = {
590 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
591 		   968, 1056, 0, 600, 601, 605, 628, 0,
592 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@60Hz */
593 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
594 		   896, 1024, 0, 600, 601, 603,  625, 0,
595 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@56Hz */
596 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
597 		   720, 840, 0, 480, 481, 484, 500, 0,
598 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */
599 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
600 		   704,  832, 0, 480, 489, 492, 520, 0,
601 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */
602 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704,
603 		   768,  864, 0, 480, 483, 486, 525, 0,
604 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */
605 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
606 		   752, 800, 0, 480, 490, 492, 525, 0,
607 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */
608 	{ DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738,
609 		   846, 900, 0, 400, 421, 423,  449, 0,
610 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 720x400@88Hz */
611 	{ DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738,
612 		   846,  900, 0, 400, 412, 414, 449, 0,
613 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 720x400@70Hz */
614 	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
615 		   1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
616 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */
617 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
618 		   1136, 1312, 0,  768, 769, 772, 800, 0,
619 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */
620 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
621 		   1184, 1328, 0,  768, 771, 777, 806, 0,
622 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@70Hz */
623 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
624 		   1184, 1344, 0,  768, 771, 777, 806, 0,
625 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@60Hz */
626 	{ DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032,
627 		   1208, 1264, 0, 768, 768, 776, 817, 0,
628 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 1024x768@43Hz */
629 	{ DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864,
630 		   928, 1152, 0, 624, 625, 628, 667, 0,
631 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 832x624@75Hz */
632 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
633 		   896, 1056, 0, 600, 601, 604,  625, 0,
634 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@75Hz */
635 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
636 		   976, 1040, 0, 600, 637, 643, 666, 0,
637 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@72Hz */
638 	{ DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
639 		   1344, 1600, 0,  864, 865, 868, 900, 0,
640 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */
641 };
642 
643 struct minimode {
644 	short w;
645 	short h;
646 	short r;
647 	short rb;
648 };
649 
650 static const struct minimode est3_modes[] = {
651 	/* byte 6 */
652 	{ 640, 350, 85, 0 },
653 	{ 640, 400, 85, 0 },
654 	{ 720, 400, 85, 0 },
655 	{ 640, 480, 85, 0 },
656 	{ 848, 480, 60, 0 },
657 	{ 800, 600, 85, 0 },
658 	{ 1024, 768, 85, 0 },
659 	{ 1152, 864, 75, 0 },
660 	/* byte 7 */
661 	{ 1280, 768, 60, 1 },
662 	{ 1280, 768, 60, 0 },
663 	{ 1280, 768, 75, 0 },
664 	{ 1280, 768, 85, 0 },
665 	{ 1280, 960, 60, 0 },
666 	{ 1280, 960, 85, 0 },
667 	{ 1280, 1024, 60, 0 },
668 	{ 1280, 1024, 85, 0 },
669 	/* byte 8 */
670 	{ 1360, 768, 60, 0 },
671 	{ 1440, 900, 60, 1 },
672 	{ 1440, 900, 60, 0 },
673 	{ 1440, 900, 75, 0 },
674 	{ 1440, 900, 85, 0 },
675 	{ 1400, 1050, 60, 1 },
676 	{ 1400, 1050, 60, 0 },
677 	{ 1400, 1050, 75, 0 },
678 	/* byte 9 */
679 	{ 1400, 1050, 85, 0 },
680 	{ 1680, 1050, 60, 1 },
681 	{ 1680, 1050, 60, 0 },
682 	{ 1680, 1050, 75, 0 },
683 	{ 1680, 1050, 85, 0 },
684 	{ 1600, 1200, 60, 0 },
685 	{ 1600, 1200, 65, 0 },
686 	{ 1600, 1200, 70, 0 },
687 	/* byte 10 */
688 	{ 1600, 1200, 75, 0 },
689 	{ 1600, 1200, 85, 0 },
690 	{ 1792, 1344, 60, 0 },
691 	{ 1792, 1344, 75, 0 },
692 	{ 1856, 1392, 60, 0 },
693 	{ 1856, 1392, 75, 0 },
694 	{ 1920, 1200, 60, 1 },
695 	{ 1920, 1200, 60, 0 },
696 	/* byte 11 */
697 	{ 1920, 1200, 75, 0 },
698 	{ 1920, 1200, 85, 0 },
699 	{ 1920, 1440, 60, 0 },
700 	{ 1920, 1440, 75, 0 },
701 };
702 
703 static const struct minimode extra_modes[] = {
704 	{ 1024, 576,  60, 0 },
705 	{ 1366, 768,  60, 0 },
706 	{ 1600, 900,  60, 0 },
707 	{ 1680, 945,  60, 0 },
708 	{ 1920, 1080, 60, 0 },
709 	{ 2048, 1152, 60, 0 },
710 	{ 2048, 1536, 60, 0 },
711 };
712 
713 /*
714  * From CEA/CTA-861 spec.
715  *
716  * Do not access directly, instead always use cea_mode_for_vic().
717  */
718 static const struct drm_display_mode edid_cea_modes_1[] = {
719 	/* 1 - 640x480@60Hz 4:3 */
720 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
721 		   752, 800, 0, 480, 490, 492, 525, 0,
722 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
723 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
724 	/* 2 - 720x480@60Hz 4:3 */
725 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
726 		   798, 858, 0, 480, 489, 495, 525, 0,
727 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
728 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
729 	/* 3 - 720x480@60Hz 16:9 */
730 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
731 		   798, 858, 0, 480, 489, 495, 525, 0,
732 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
733 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
734 	/* 4 - 1280x720@60Hz 16:9 */
735 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
736 		   1430, 1650, 0, 720, 725, 730, 750, 0,
737 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
738 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
739 	/* 5 - 1920x1080i@60Hz 16:9 */
740 	{ DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
741 		   2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
742 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
743 		   DRM_MODE_FLAG_INTERLACE),
744 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
745 	/* 6 - 720(1440)x480i@60Hz 4:3 */
746 	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
747 		   801, 858, 0, 480, 488, 494, 525, 0,
748 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
749 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
750 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
751 	/* 7 - 720(1440)x480i@60Hz 16:9 */
752 	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
753 		   801, 858, 0, 480, 488, 494, 525, 0,
754 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
755 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
756 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
757 	/* 8 - 720(1440)x240@60Hz 4:3 */
758 	{ DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
759 		   801, 858, 0, 240, 244, 247, 262, 0,
760 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
761 		   DRM_MODE_FLAG_DBLCLK),
762 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
763 	/* 9 - 720(1440)x240@60Hz 16:9 */
764 	{ DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
765 		   801, 858, 0, 240, 244, 247, 262, 0,
766 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
767 		   DRM_MODE_FLAG_DBLCLK),
768 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
769 	/* 10 - 2880x480i@60Hz 4:3 */
770 	{ DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
771 		   3204, 3432, 0, 480, 488, 494, 525, 0,
772 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
773 		   DRM_MODE_FLAG_INTERLACE),
774 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
775 	/* 11 - 2880x480i@60Hz 16:9 */
776 	{ DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
777 		   3204, 3432, 0, 480, 488, 494, 525, 0,
778 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
779 		   DRM_MODE_FLAG_INTERLACE),
780 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
781 	/* 12 - 2880x240@60Hz 4:3 */
782 	{ DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
783 		   3204, 3432, 0, 240, 244, 247, 262, 0,
784 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
785 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
786 	/* 13 - 2880x240@60Hz 16:9 */
787 	{ DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
788 		   3204, 3432, 0, 240, 244, 247, 262, 0,
789 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
790 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
791 	/* 14 - 1440x480@60Hz 4:3 */
792 	{ DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
793 		   1596, 1716, 0, 480, 489, 495, 525, 0,
794 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
795 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
796 	/* 15 - 1440x480@60Hz 16:9 */
797 	{ DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
798 		   1596, 1716, 0, 480, 489, 495, 525, 0,
799 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
800 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
801 	/* 16 - 1920x1080@60Hz 16:9 */
802 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
803 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
804 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
805 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
806 	/* 17 - 720x576@50Hz 4:3 */
807 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
808 		   796, 864, 0, 576, 581, 586, 625, 0,
809 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
810 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
811 	/* 18 - 720x576@50Hz 16:9 */
812 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
813 		   796, 864, 0, 576, 581, 586, 625, 0,
814 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
815 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
816 	/* 19 - 1280x720@50Hz 16:9 */
817 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
818 		   1760, 1980, 0, 720, 725, 730, 750, 0,
819 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
820 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
821 	/* 20 - 1920x1080i@50Hz 16:9 */
822 	{ DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
823 		   2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
824 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
825 		   DRM_MODE_FLAG_INTERLACE),
826 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
827 	/* 21 - 720(1440)x576i@50Hz 4:3 */
828 	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
829 		   795, 864, 0, 576, 580, 586, 625, 0,
830 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
831 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
832 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
833 	/* 22 - 720(1440)x576i@50Hz 16:9 */
834 	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
835 		   795, 864, 0, 576, 580, 586, 625, 0,
836 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
837 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
838 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
839 	/* 23 - 720(1440)x288@50Hz 4:3 */
840 	{ DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
841 		   795, 864, 0, 288, 290, 293, 312, 0,
842 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
843 		   DRM_MODE_FLAG_DBLCLK),
844 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
845 	/* 24 - 720(1440)x288@50Hz 16:9 */
846 	{ DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
847 		   795, 864, 0, 288, 290, 293, 312, 0,
848 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
849 		   DRM_MODE_FLAG_DBLCLK),
850 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
851 	/* 25 - 2880x576i@50Hz 4:3 */
852 	{ DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
853 		   3180, 3456, 0, 576, 580, 586, 625, 0,
854 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
855 		   DRM_MODE_FLAG_INTERLACE),
856 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
857 	/* 26 - 2880x576i@50Hz 16:9 */
858 	{ DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
859 		   3180, 3456, 0, 576, 580, 586, 625, 0,
860 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
861 		   DRM_MODE_FLAG_INTERLACE),
862 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
863 	/* 27 - 2880x288@50Hz 4:3 */
864 	{ DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
865 		   3180, 3456, 0, 288, 290, 293, 312, 0,
866 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
867 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
868 	/* 28 - 2880x288@50Hz 16:9 */
869 	{ DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
870 		   3180, 3456, 0, 288, 290, 293, 312, 0,
871 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
872 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
873 	/* 29 - 1440x576@50Hz 4:3 */
874 	{ DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
875 		   1592, 1728, 0, 576, 581, 586, 625, 0,
876 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
877 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
878 	/* 30 - 1440x576@50Hz 16:9 */
879 	{ DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
880 		   1592, 1728, 0, 576, 581, 586, 625, 0,
881 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
882 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
883 	/* 31 - 1920x1080@50Hz 16:9 */
884 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
885 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
886 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
887 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
888 	/* 32 - 1920x1080@24Hz 16:9 */
889 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
890 		   2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
891 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
892 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
893 	/* 33 - 1920x1080@25Hz 16:9 */
894 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
895 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
896 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
897 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
898 	/* 34 - 1920x1080@30Hz 16:9 */
899 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
900 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
901 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
902 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
903 	/* 35 - 2880x480@60Hz 4:3 */
904 	{ DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
905 		   3192, 3432, 0, 480, 489, 495, 525, 0,
906 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
907 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
908 	/* 36 - 2880x480@60Hz 16:9 */
909 	{ DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
910 		   3192, 3432, 0, 480, 489, 495, 525, 0,
911 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
912 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
913 	/* 37 - 2880x576@50Hz 4:3 */
914 	{ DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
915 		   3184, 3456, 0, 576, 581, 586, 625, 0,
916 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
917 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
918 	/* 38 - 2880x576@50Hz 16:9 */
919 	{ DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
920 		   3184, 3456, 0, 576, 581, 586, 625, 0,
921 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
922 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
923 	/* 39 - 1920x1080i@50Hz 16:9 */
924 	{ DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 72000, 1920, 1952,
925 		   2120, 2304, 0, 1080, 1126, 1136, 1250, 0,
926 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC |
927 		   DRM_MODE_FLAG_INTERLACE),
928 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
929 	/* 40 - 1920x1080i@100Hz 16:9 */
930 	{ DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
931 		   2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
932 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
933 		   DRM_MODE_FLAG_INTERLACE),
934 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
935 	/* 41 - 1280x720@100Hz 16:9 */
936 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
937 		   1760, 1980, 0, 720, 725, 730, 750, 0,
938 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
939 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
940 	/* 42 - 720x576@100Hz 4:3 */
941 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
942 		   796, 864, 0, 576, 581, 586, 625, 0,
943 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
944 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
945 	/* 43 - 720x576@100Hz 16:9 */
946 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
947 		   796, 864, 0, 576, 581, 586, 625, 0,
948 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
949 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
950 	/* 44 - 720(1440)x576i@100Hz 4:3 */
951 	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
952 		   795, 864, 0, 576, 580, 586, 625, 0,
953 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
954 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
955 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
956 	/* 45 - 720(1440)x576i@100Hz 16:9 */
957 	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
958 		   795, 864, 0, 576, 580, 586, 625, 0,
959 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
960 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
961 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
962 	/* 46 - 1920x1080i@120Hz 16:9 */
963 	{ DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
964 		   2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
965 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
966 		   DRM_MODE_FLAG_INTERLACE),
967 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
968 	/* 47 - 1280x720@120Hz 16:9 */
969 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
970 		   1430, 1650, 0, 720, 725, 730, 750, 0,
971 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
972 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
973 	/* 48 - 720x480@120Hz 4:3 */
974 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
975 		   798, 858, 0, 480, 489, 495, 525, 0,
976 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
977 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
978 	/* 49 - 720x480@120Hz 16:9 */
979 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
980 		   798, 858, 0, 480, 489, 495, 525, 0,
981 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
982 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
983 	/* 50 - 720(1440)x480i@120Hz 4:3 */
984 	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
985 		   801, 858, 0, 480, 488, 494, 525, 0,
986 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
987 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
988 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
989 	/* 51 - 720(1440)x480i@120Hz 16:9 */
990 	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
991 		   801, 858, 0, 480, 488, 494, 525, 0,
992 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
993 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
994 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
995 	/* 52 - 720x576@200Hz 4:3 */
996 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
997 		   796, 864, 0, 576, 581, 586, 625, 0,
998 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
999 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1000 	/* 53 - 720x576@200Hz 16:9 */
1001 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
1002 		   796, 864, 0, 576, 581, 586, 625, 0,
1003 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1004 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1005 	/* 54 - 720(1440)x576i@200Hz 4:3 */
1006 	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1007 		   795, 864, 0, 576, 580, 586, 625, 0,
1008 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1009 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1010 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1011 	/* 55 - 720(1440)x576i@200Hz 16:9 */
1012 	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1013 		   795, 864, 0, 576, 580, 586, 625, 0,
1014 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1015 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1016 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1017 	/* 56 - 720x480@240Hz 4:3 */
1018 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1019 		   798, 858, 0, 480, 489, 495, 525, 0,
1020 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1021 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1022 	/* 57 - 720x480@240Hz 16:9 */
1023 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1024 		   798, 858, 0, 480, 489, 495, 525, 0,
1025 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1026 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1027 	/* 58 - 720(1440)x480i@240Hz 4:3 */
1028 	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1029 		   801, 858, 0, 480, 488, 494, 525, 0,
1030 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1031 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1032 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1033 	/* 59 - 720(1440)x480i@240Hz 16:9 */
1034 	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1035 		   801, 858, 0, 480, 488, 494, 525, 0,
1036 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1037 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1038 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1039 	/* 60 - 1280x720@24Hz 16:9 */
1040 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1041 		   3080, 3300, 0, 720, 725, 730, 750, 0,
1042 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1043 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1044 	/* 61 - 1280x720@25Hz 16:9 */
1045 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1046 		   3740, 3960, 0, 720, 725, 730, 750, 0,
1047 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1048 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1049 	/* 62 - 1280x720@30Hz 16:9 */
1050 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1051 		   3080, 3300, 0, 720, 725, 730, 750, 0,
1052 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1053 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1054 	/* 63 - 1920x1080@120Hz 16:9 */
1055 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1056 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1057 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1058 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1059 	/* 64 - 1920x1080@100Hz 16:9 */
1060 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1061 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1062 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1063 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1064 	/* 65 - 1280x720@24Hz 64:27 */
1065 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1066 		   3080, 3300, 0, 720, 725, 730, 750, 0,
1067 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1068 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1069 	/* 66 - 1280x720@25Hz 64:27 */
1070 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1071 		   3740, 3960, 0, 720, 725, 730, 750, 0,
1072 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1073 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1074 	/* 67 - 1280x720@30Hz 64:27 */
1075 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1076 		   3080, 3300, 0, 720, 725, 730, 750, 0,
1077 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1078 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1079 	/* 68 - 1280x720@50Hz 64:27 */
1080 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
1081 		   1760, 1980, 0, 720, 725, 730, 750, 0,
1082 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1083 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1084 	/* 69 - 1280x720@60Hz 64:27 */
1085 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
1086 		   1430, 1650, 0, 720, 725, 730, 750, 0,
1087 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1088 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1089 	/* 70 - 1280x720@100Hz 64:27 */
1090 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
1091 		   1760, 1980, 0, 720, 725, 730, 750, 0,
1092 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1093 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1094 	/* 71 - 1280x720@120Hz 64:27 */
1095 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
1096 		   1430, 1650, 0, 720, 725, 730, 750, 0,
1097 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1098 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1099 	/* 72 - 1920x1080@24Hz 64:27 */
1100 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
1101 		   2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1102 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1103 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1104 	/* 73 - 1920x1080@25Hz 64:27 */
1105 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
1106 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1107 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1108 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1109 	/* 74 - 1920x1080@30Hz 64:27 */
1110 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
1111 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1112 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1113 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1114 	/* 75 - 1920x1080@50Hz 64:27 */
1115 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
1116 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1117 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1118 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1119 	/* 76 - 1920x1080@60Hz 64:27 */
1120 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
1121 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1122 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1123 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1124 	/* 77 - 1920x1080@100Hz 64:27 */
1125 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1126 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1127 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1128 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1129 	/* 78 - 1920x1080@120Hz 64:27 */
1130 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1131 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1132 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1133 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1134 	/* 79 - 1680x720@24Hz 64:27 */
1135 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 3040,
1136 		   3080, 3300, 0, 720, 725, 730, 750, 0,
1137 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1138 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1139 	/* 80 - 1680x720@25Hz 64:27 */
1140 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2908,
1141 		   2948, 3168, 0, 720, 725, 730, 750, 0,
1142 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1143 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1144 	/* 81 - 1680x720@30Hz 64:27 */
1145 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2380,
1146 		   2420, 2640, 0, 720, 725, 730, 750, 0,
1147 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1148 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1149 	/* 82 - 1680x720@50Hz 64:27 */
1150 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 82500, 1680, 1940,
1151 		   1980, 2200, 0, 720, 725, 730, 750, 0,
1152 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1153 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1154 	/* 83 - 1680x720@60Hz 64:27 */
1155 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 1940,
1156 		   1980, 2200, 0, 720, 725, 730, 750, 0,
1157 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1158 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1159 	/* 84 - 1680x720@100Hz 64:27 */
1160 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 165000, 1680, 1740,
1161 		   1780, 2000, 0, 720, 725, 730, 825, 0,
1162 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1163 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1164 	/* 85 - 1680x720@120Hz 64:27 */
1165 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 198000, 1680, 1740,
1166 		   1780, 2000, 0, 720, 725, 730, 825, 0,
1167 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1168 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1169 	/* 86 - 2560x1080@24Hz 64:27 */
1170 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 99000, 2560, 3558,
1171 		   3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1172 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1173 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1174 	/* 87 - 2560x1080@25Hz 64:27 */
1175 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 90000, 2560, 3008,
1176 		   3052, 3200, 0, 1080, 1084, 1089, 1125, 0,
1177 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1178 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1179 	/* 88 - 2560x1080@30Hz 64:27 */
1180 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 118800, 2560, 3328,
1181 		   3372, 3520, 0, 1080, 1084, 1089, 1125, 0,
1182 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1183 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1184 	/* 89 - 2560x1080@50Hz 64:27 */
1185 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 185625, 2560, 3108,
1186 		   3152, 3300, 0, 1080, 1084, 1089, 1125, 0,
1187 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1188 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1189 	/* 90 - 2560x1080@60Hz 64:27 */
1190 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 2808,
1191 		   2852, 3000, 0, 1080, 1084, 1089, 1100, 0,
1192 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1193 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1194 	/* 91 - 2560x1080@100Hz 64:27 */
1195 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 371250, 2560, 2778,
1196 		   2822, 2970, 0, 1080, 1084, 1089, 1250, 0,
1197 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1198 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1199 	/* 92 - 2560x1080@120Hz 64:27 */
1200 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 495000, 2560, 3108,
1201 		   3152, 3300, 0, 1080, 1084, 1089, 1250, 0,
1202 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1203 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1204 	/* 93 - 3840x2160@24Hz 16:9 */
1205 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1206 		   5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1207 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1208 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1209 	/* 94 - 3840x2160@25Hz 16:9 */
1210 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1211 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1212 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1213 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1214 	/* 95 - 3840x2160@30Hz 16:9 */
1215 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1216 		   4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1217 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1218 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1219 	/* 96 - 3840x2160@50Hz 16:9 */
1220 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1221 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1222 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1223 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1224 	/* 97 - 3840x2160@60Hz 16:9 */
1225 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1226 		   4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1227 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1228 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1229 	/* 98 - 4096x2160@24Hz 256:135 */
1230 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5116,
1231 		   5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1232 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1233 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1234 	/* 99 - 4096x2160@25Hz 256:135 */
1235 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5064,
1236 		   5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1237 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1238 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1239 	/* 100 - 4096x2160@30Hz 256:135 */
1240 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 4184,
1241 		   4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1242 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1243 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1244 	/* 101 - 4096x2160@50Hz 256:135 */
1245 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5064,
1246 		   5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1247 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1248 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1249 	/* 102 - 4096x2160@60Hz 256:135 */
1250 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 4184,
1251 		   4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1252 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1253 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1254 	/* 103 - 3840x2160@24Hz 64:27 */
1255 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1256 		   5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1257 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1258 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1259 	/* 104 - 3840x2160@25Hz 64:27 */
1260 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1261 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1262 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1263 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1264 	/* 105 - 3840x2160@30Hz 64:27 */
1265 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1266 		   4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1267 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1268 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1269 	/* 106 - 3840x2160@50Hz 64:27 */
1270 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1271 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1272 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1273 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1274 	/* 107 - 3840x2160@60Hz 64:27 */
1275 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1276 		   4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1277 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1278 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1279 	/* 108 - 1280x720@48Hz 16:9 */
1280 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1281 		   2280, 2500, 0, 720, 725, 730, 750, 0,
1282 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1283 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1284 	/* 109 - 1280x720@48Hz 64:27 */
1285 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1286 		   2280, 2500, 0, 720, 725, 730, 750, 0,
1287 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1288 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1289 	/* 110 - 1680x720@48Hz 64:27 */
1290 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 2490,
1291 		   2530, 2750, 0, 720, 725, 730, 750, 0,
1292 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1293 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1294 	/* 111 - 1920x1080@48Hz 16:9 */
1295 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1296 		   2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1297 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1298 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1299 	/* 112 - 1920x1080@48Hz 64:27 */
1300 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1301 		   2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1302 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1303 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1304 	/* 113 - 2560x1080@48Hz 64:27 */
1305 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 3558,
1306 		   3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1307 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1308 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1309 	/* 114 - 3840x2160@48Hz 16:9 */
1310 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1311 		   5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1312 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1313 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1314 	/* 115 - 4096x2160@48Hz 256:135 */
1315 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5116,
1316 		   5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1317 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1318 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1319 	/* 116 - 3840x2160@48Hz 64:27 */
1320 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1321 		   5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1322 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1323 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1324 	/* 117 - 3840x2160@100Hz 16:9 */
1325 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1326 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1327 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1328 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1329 	/* 118 - 3840x2160@120Hz 16:9 */
1330 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1331 		   4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1332 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1333 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1334 	/* 119 - 3840x2160@100Hz 64:27 */
1335 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1336 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1337 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1338 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1339 	/* 120 - 3840x2160@120Hz 64:27 */
1340 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1341 		   4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1342 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1343 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1344 	/* 121 - 5120x2160@24Hz 64:27 */
1345 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 7116,
1346 		   7204, 7500, 0, 2160, 2168, 2178, 2200, 0,
1347 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1348 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1349 	/* 122 - 5120x2160@25Hz 64:27 */
1350 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 6816,
1351 		   6904, 7200, 0, 2160, 2168, 2178, 2200, 0,
1352 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1353 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1354 	/* 123 - 5120x2160@30Hz 64:27 */
1355 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 5784,
1356 		   5872, 6000, 0, 2160, 2168, 2178, 2200, 0,
1357 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1358 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1359 	/* 124 - 5120x2160@48Hz 64:27 */
1360 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5866,
1361 		   5954, 6250, 0, 2160, 2168, 2178, 2475, 0,
1362 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1363 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1364 	/* 125 - 5120x2160@50Hz 64:27 */
1365 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 6216,
1366 		   6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1367 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1368 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1369 	/* 126 - 5120x2160@60Hz 64:27 */
1370 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5284,
1371 		   5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1372 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1373 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1374 	/* 127 - 5120x2160@100Hz 64:27 */
1375 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 6216,
1376 		   6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1377 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1378 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1379 };
1380 
1381 /*
1382  * From CEA/CTA-861 spec.
1383  *
1384  * Do not access directly, instead always use cea_mode_for_vic().
1385  */
1386 static const struct drm_display_mode edid_cea_modes_193[] = {
1387 	/* 193 - 5120x2160@120Hz 64:27 */
1388 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 5284,
1389 		   5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1390 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1391 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1392 	/* 194 - 7680x4320@24Hz 16:9 */
1393 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1394 		   10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1395 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1396 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1397 	/* 195 - 7680x4320@25Hz 16:9 */
1398 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1399 		   10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1400 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1401 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1402 	/* 196 - 7680x4320@30Hz 16:9 */
1403 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1404 		   8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1405 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1406 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1407 	/* 197 - 7680x4320@48Hz 16:9 */
1408 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1409 		   10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1410 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1411 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1412 	/* 198 - 7680x4320@50Hz 16:9 */
1413 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1414 		   10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1415 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1416 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1417 	/* 199 - 7680x4320@60Hz 16:9 */
1418 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1419 		   8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1420 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1421 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1422 	/* 200 - 7680x4320@100Hz 16:9 */
1423 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1424 		   9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1425 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1426 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1427 	/* 201 - 7680x4320@120Hz 16:9 */
1428 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1429 		   8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1430 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1431 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1432 	/* 202 - 7680x4320@24Hz 64:27 */
1433 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1434 		   10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1435 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1436 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1437 	/* 203 - 7680x4320@25Hz 64:27 */
1438 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1439 		   10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1440 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1441 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1442 	/* 204 - 7680x4320@30Hz 64:27 */
1443 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1444 		   8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1445 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1446 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1447 	/* 205 - 7680x4320@48Hz 64:27 */
1448 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1449 		   10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1450 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1451 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1452 	/* 206 - 7680x4320@50Hz 64:27 */
1453 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1454 		   10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1455 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1456 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1457 	/* 207 - 7680x4320@60Hz 64:27 */
1458 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1459 		   8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1460 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1461 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1462 	/* 208 - 7680x4320@100Hz 64:27 */
1463 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1464 		   9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1465 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1466 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1467 	/* 209 - 7680x4320@120Hz 64:27 */
1468 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1469 		   8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1470 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1471 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1472 	/* 210 - 10240x4320@24Hz 64:27 */
1473 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 11732,
1474 		   11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1475 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1476 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1477 	/* 211 - 10240x4320@25Hz 64:27 */
1478 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 12732,
1479 		   12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1480 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1481 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1482 	/* 212 - 10240x4320@30Hz 64:27 */
1483 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 10528,
1484 		   10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1485 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1486 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1487 	/* 213 - 10240x4320@48Hz 64:27 */
1488 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 11732,
1489 		   11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1490 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1491 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1492 	/* 214 - 10240x4320@50Hz 64:27 */
1493 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 12732,
1494 		   12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1495 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1496 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1497 	/* 215 - 10240x4320@60Hz 64:27 */
1498 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 10528,
1499 		   10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1500 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1501 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1502 	/* 216 - 10240x4320@100Hz 64:27 */
1503 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 12432,
1504 		   12608, 13200, 0, 4320, 4336, 4356, 4500, 0,
1505 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1506 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1507 	/* 217 - 10240x4320@120Hz 64:27 */
1508 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 10528,
1509 		   10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1510 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1511 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1512 	/* 218 - 4096x2160@100Hz 256:135 */
1513 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4896,
1514 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1515 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1516 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1517 	/* 219 - 4096x2160@120Hz 256:135 */
1518 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4184,
1519 		   4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1520 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1521 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1522 };
1523 
1524 /*
1525  * HDMI 1.4 4k modes. Index using the VIC.
1526  */
1527 static const struct drm_display_mode edid_4k_modes[] = {
1528 	/* 0 - dummy, VICs start at 1 */
1529 	{ },
1530 	/* 1 - 3840x2160@30Hz */
1531 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1532 		   3840, 4016, 4104, 4400, 0,
1533 		   2160, 2168, 2178, 2250, 0,
1534 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1535 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1536 	/* 2 - 3840x2160@25Hz */
1537 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1538 		   3840, 4896, 4984, 5280, 0,
1539 		   2160, 2168, 2178, 2250, 0,
1540 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1541 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1542 	/* 3 - 3840x2160@24Hz */
1543 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1544 		   3840, 5116, 5204, 5500, 0,
1545 		   2160, 2168, 2178, 2250, 0,
1546 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1547 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1548 	/* 4 - 4096x2160@24Hz (SMPTE) */
1549 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000,
1550 		   4096, 5116, 5204, 5500, 0,
1551 		   2160, 2168, 2178, 2250, 0,
1552 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1553 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1554 };
1555 
1556 /*** DDC fetch and block validation ***/
1557 
1558 static const u8 edid_header[] = {
1559 	0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
1560 };
1561 
1562 /**
1563  * drm_edid_header_is_valid - sanity check the header of the base EDID block
1564  * @raw_edid: pointer to raw base EDID block
1565  *
1566  * Sanity check the header of the base EDID block.
1567  *
1568  * Return: 8 if the header is perfect, down to 0 if it's totally wrong.
1569  */
1570 int drm_edid_header_is_valid(const u8 *raw_edid)
1571 {
1572 	int i, score = 0;
1573 
1574 	for (i = 0; i < sizeof(edid_header); i++)
1575 		if (raw_edid[i] == edid_header[i])
1576 			score++;
1577 
1578 	return score;
1579 }
1580 EXPORT_SYMBOL(drm_edid_header_is_valid);
1581 
1582 static int edid_fixup __read_mostly = 6;
1583 module_param_named(edid_fixup, edid_fixup, int, 0400);
1584 MODULE_PARM_DESC(edid_fixup,
1585 		 "Minimum number of valid EDID header bytes (0-8, default 6)");
1586 
1587 static int validate_displayid(u8 *displayid, int length, int idx);
1588 
1589 static int drm_edid_block_checksum(const u8 *raw_edid)
1590 {
1591 	int i;
1592 	u8 csum = 0, crc = 0;
1593 
1594 	for (i = 0; i < EDID_LENGTH - 1; i++)
1595 		csum += raw_edid[i];
1596 
1597 	crc = 0x100 - csum;
1598 
1599 	return crc;
1600 }
1601 
1602 static bool drm_edid_block_checksum_diff(const u8 *raw_edid, u8 real_checksum)
1603 {
1604 	if (raw_edid[EDID_LENGTH - 1] != real_checksum)
1605 		return true;
1606 	else
1607 		return false;
1608 }
1609 
1610 static bool drm_edid_is_zero(const u8 *in_edid, int length)
1611 {
1612 	if (memchr_inv(in_edid, 0, length))
1613 		return false;
1614 
1615 	return true;
1616 }
1617 
1618 /**
1619  * drm_edid_are_equal - compare two edid blobs.
1620  * @edid1: pointer to first blob
1621  * @edid2: pointer to second blob
1622  * This helper can be used during probing to determine if
1623  * edid had changed.
1624  */
1625 bool drm_edid_are_equal(const struct edid *edid1, const struct edid *edid2)
1626 {
1627 	int edid1_len, edid2_len;
1628 	bool edid1_present = edid1 != NULL;
1629 	bool edid2_present = edid2 != NULL;
1630 
1631 	if (edid1_present != edid2_present)
1632 		return false;
1633 
1634 	if (edid1) {
1635 		edid1_len = EDID_LENGTH * (1 + edid1->extensions);
1636 		edid2_len = EDID_LENGTH * (1 + edid2->extensions);
1637 
1638 		if (edid1_len != edid2_len)
1639 			return false;
1640 
1641 		if (memcmp(edid1, edid2, edid1_len))
1642 			return false;
1643 	}
1644 
1645 	return true;
1646 }
1647 EXPORT_SYMBOL(drm_edid_are_equal);
1648 
1649 /**
1650  * drm_edid_block_valid - Sanity check the EDID block (base or extension)
1651  * @raw_edid: pointer to raw EDID block
1652  * @block: type of block to validate (0 for base, extension otherwise)
1653  * @print_bad_edid: if true, dump bad EDID blocks to the console
1654  * @edid_corrupt: if true, the header or checksum is invalid
1655  *
1656  * Validate a base or extension EDID block and optionally dump bad blocks to
1657  * the console.
1658  *
1659  * Return: True if the block is valid, false otherwise.
1660  */
1661 bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid,
1662 			  bool *edid_corrupt)
1663 {
1664 	u8 csum;
1665 	struct edid *edid = (struct edid *)raw_edid;
1666 
1667 	if (WARN_ON(!raw_edid))
1668 		return false;
1669 
1670 	if (edid_fixup > 8 || edid_fixup < 0)
1671 		edid_fixup = 6;
1672 
1673 	if (block == 0) {
1674 		int score = drm_edid_header_is_valid(raw_edid);
1675 
1676 		if (score == 8) {
1677 			if (edid_corrupt)
1678 				*edid_corrupt = false;
1679 		} else if (score >= edid_fixup) {
1680 			/* Displayport Link CTS Core 1.2 rev1.1 test 4.2.2.6
1681 			 * The corrupt flag needs to be set here otherwise, the
1682 			 * fix-up code here will correct the problem, the
1683 			 * checksum is correct and the test fails
1684 			 */
1685 			if (edid_corrupt)
1686 				*edid_corrupt = true;
1687 			DRM_DEBUG("Fixing EDID header, your hardware may be failing\n");
1688 			memcpy(raw_edid, edid_header, sizeof(edid_header));
1689 		} else {
1690 			if (edid_corrupt)
1691 				*edid_corrupt = true;
1692 			goto bad;
1693 		}
1694 	}
1695 
1696 	csum = drm_edid_block_checksum(raw_edid);
1697 	if (drm_edid_block_checksum_diff(raw_edid, csum)) {
1698 		if (edid_corrupt)
1699 			*edid_corrupt = true;
1700 
1701 		/* allow CEA to slide through, switches mangle this */
1702 		if (raw_edid[0] == CEA_EXT) {
1703 			DRM_DEBUG("EDID checksum is invalid, remainder is %d\n", csum);
1704 			DRM_DEBUG("Assuming a KVM switch modified the CEA block but left the original checksum\n");
1705 		} else {
1706 			if (print_bad_edid)
1707 				DRM_NOTE("EDID checksum is invalid, remainder is %d\n", csum);
1708 
1709 			goto bad;
1710 		}
1711 	}
1712 
1713 	/* per-block-type checks */
1714 	switch (raw_edid[0]) {
1715 	case 0: /* base */
1716 		if (edid->version != 1) {
1717 			DRM_NOTE("EDID has major version %d, instead of 1\n", edid->version);
1718 			goto bad;
1719 		}
1720 
1721 		if (edid->revision > 4)
1722 			DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n");
1723 		break;
1724 
1725 	default:
1726 		break;
1727 	}
1728 
1729 	return true;
1730 
1731 bad:
1732 	if (print_bad_edid) {
1733 		if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) {
1734 			pr_notice("EDID block is all zeroes\n");
1735 		} else {
1736 			pr_notice("Raw EDID:\n");
1737 			print_hex_dump(KERN_NOTICE,
1738 				       " \t", DUMP_PREFIX_NONE, 16, 1,
1739 				       raw_edid, EDID_LENGTH, false);
1740 		}
1741 	}
1742 	return false;
1743 }
1744 EXPORT_SYMBOL(drm_edid_block_valid);
1745 
1746 /**
1747  * drm_edid_is_valid - sanity check EDID data
1748  * @edid: EDID data
1749  *
1750  * Sanity-check an entire EDID record (including extensions)
1751  *
1752  * Return: True if the EDID data is valid, false otherwise.
1753  */
1754 bool drm_edid_is_valid(struct edid *edid)
1755 {
1756 	int i;
1757 	u8 *raw = (u8 *)edid;
1758 
1759 	if (!edid)
1760 		return false;
1761 
1762 	for (i = 0; i <= edid->extensions; i++)
1763 		if (!drm_edid_block_valid(raw + i * EDID_LENGTH, i, true, NULL))
1764 			return false;
1765 
1766 	return true;
1767 }
1768 EXPORT_SYMBOL(drm_edid_is_valid);
1769 
1770 #define DDC_SEGMENT_ADDR 0x30
1771 /**
1772  * drm_do_probe_ddc_edid() - get EDID information via I2C
1773  * @data: I2C device adapter
1774  * @buf: EDID data buffer to be filled
1775  * @block: 128 byte EDID block to start fetching from
1776  * @len: EDID data buffer length to fetch
1777  *
1778  * Try to fetch EDID information by calling I2C driver functions.
1779  *
1780  * Return: 0 on success or -1 on failure.
1781  */
1782 static int
1783 drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len)
1784 {
1785 	struct i2c_adapter *adapter = data;
1786 	unsigned char start = block * EDID_LENGTH;
1787 	unsigned char segment = block >> 1;
1788 	unsigned char xfers = segment ? 3 : 2;
1789 	int ret, retries = 5;
1790 
1791 	/*
1792 	 * The core I2C driver will automatically retry the transfer if the
1793 	 * adapter reports EAGAIN. However, we find that bit-banging transfers
1794 	 * are susceptible to errors under a heavily loaded machine and
1795 	 * generate spurious NAKs and timeouts. Retrying the transfer
1796 	 * of the individual block a few times seems to overcome this.
1797 	 */
1798 	do {
1799 		struct i2c_msg msgs[] = {
1800 			{
1801 				.addr	= DDC_SEGMENT_ADDR,
1802 				.flags	= 0,
1803 				.len	= 1,
1804 				.buf	= &segment,
1805 			}, {
1806 				.addr	= DDC_ADDR,
1807 				.flags	= 0,
1808 				.len	= 1,
1809 				.buf	= &start,
1810 			}, {
1811 				.addr	= DDC_ADDR,
1812 				.flags	= I2C_M_RD,
1813 				.len	= len,
1814 				.buf	= buf,
1815 			}
1816 		};
1817 
1818 		/*
1819 		 * Avoid sending the segment addr to not upset non-compliant
1820 		 * DDC monitors.
1821 		 */
1822 		ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers);
1823 
1824 		if (ret == -ENXIO) {
1825 			DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n",
1826 					adapter->name);
1827 			break;
1828 		}
1829 	} while (ret != xfers && --retries);
1830 
1831 	return ret == xfers ? 0 : -1;
1832 }
1833 
1834 static void connector_bad_edid(struct drm_connector *connector,
1835 			       u8 *edid, int num_blocks)
1836 {
1837 	int i;
1838 	u8 num_of_ext = edid[0x7e];
1839 
1840 	if (num_of_ext > num_blocks)
1841 		num_of_ext = num_blocks;
1842 
1843 	/* Calculate real checksum for the last edid extension block data */
1844 	connector->real_edid_checksum =
1845 		drm_edid_block_checksum(edid + num_of_ext * EDID_LENGTH);
1846 
1847 	if (connector->bad_edid_counter++ && !drm_debug_enabled(DRM_UT_KMS))
1848 		return;
1849 
1850 	drm_warn(connector->dev, "%s: EDID is invalid:\n", connector->name);
1851 	for (i = 0; i < num_blocks; i++) {
1852 		u8 *block = edid + i * EDID_LENGTH;
1853 		char prefix[20];
1854 
1855 		if (drm_edid_is_zero(block, EDID_LENGTH))
1856 			snprintf(prefix, sizeof(prefix), "\t[%02x] ZERO ", i);
1857 		else if (!drm_edid_block_valid(block, i, false, NULL))
1858 			snprintf(prefix, sizeof(prefix), "\t[%02x] BAD  ", i);
1859 		else
1860 			snprintf(prefix, sizeof(prefix), "\t[%02x] GOOD ", i);
1861 
1862 		print_hex_dump(KERN_WARNING,
1863 			       prefix, DUMP_PREFIX_NONE, 16, 1,
1864 			       block, EDID_LENGTH, false);
1865 	}
1866 }
1867 
1868 /* Get override or firmware EDID */
1869 static struct edid *drm_get_override_edid(struct drm_connector *connector)
1870 {
1871 	struct edid *override = NULL;
1872 
1873 	if (connector->override_edid)
1874 		override = drm_edid_duplicate(connector->edid_blob_ptr->data);
1875 
1876 	if (!override)
1877 		override = drm_load_edid_firmware(connector);
1878 
1879 	return IS_ERR(override) ? NULL : override;
1880 }
1881 
1882 /**
1883  * drm_add_override_edid_modes - add modes from override/firmware EDID
1884  * @connector: connector we're probing
1885  *
1886  * Add modes from the override/firmware EDID, if available. Only to be used from
1887  * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe
1888  * failed during drm_get_edid() and caused the override/firmware EDID to be
1889  * skipped.
1890  *
1891  * Return: The number of modes added or 0 if we couldn't find any.
1892  */
1893 int drm_add_override_edid_modes(struct drm_connector *connector)
1894 {
1895 	struct edid *override;
1896 	int num_modes = 0;
1897 
1898 	override = drm_get_override_edid(connector);
1899 	if (override) {
1900 		drm_connector_update_edid_property(connector, override);
1901 		num_modes = drm_add_edid_modes(connector, override);
1902 		kfree(override);
1903 
1904 		DRM_DEBUG_KMS("[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n",
1905 			      connector->base.id, connector->name, num_modes);
1906 	}
1907 
1908 	return num_modes;
1909 }
1910 EXPORT_SYMBOL(drm_add_override_edid_modes);
1911 
1912 /**
1913  * drm_do_get_edid - get EDID data using a custom EDID block read function
1914  * @connector: connector we're probing
1915  * @get_edid_block: EDID block read function
1916  * @data: private data passed to the block read function
1917  *
1918  * When the I2C adapter connected to the DDC bus is hidden behind a device that
1919  * exposes a different interface to read EDID blocks this function can be used
1920  * to get EDID data using a custom block read function.
1921  *
1922  * As in the general case the DDC bus is accessible by the kernel at the I2C
1923  * level, drivers must make all reasonable efforts to expose it as an I2C
1924  * adapter and use drm_get_edid() instead of abusing this function.
1925  *
1926  * The EDID may be overridden using debugfs override_edid or firmare EDID
1927  * (drm_load_edid_firmware() and drm.edid_firmware parameter), in this priority
1928  * order. Having either of them bypasses actual EDID reads.
1929  *
1930  * Return: Pointer to valid EDID or NULL if we couldn't find any.
1931  */
1932 struct edid *drm_do_get_edid(struct drm_connector *connector,
1933 	int (*get_edid_block)(void *data, u8 *buf, unsigned int block,
1934 			      size_t len),
1935 	void *data)
1936 {
1937 	int i, j = 0, valid_extensions = 0;
1938 	u8 *edid, *new;
1939 	struct edid *override;
1940 
1941 	override = drm_get_override_edid(connector);
1942 	if (override)
1943 		return override;
1944 
1945 	if ((edid = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL)
1946 		return NULL;
1947 
1948 	/* base block fetch */
1949 	for (i = 0; i < 4; i++) {
1950 		if (get_edid_block(data, edid, 0, EDID_LENGTH))
1951 			goto out;
1952 		if (drm_edid_block_valid(edid, 0, false,
1953 					 &connector->edid_corrupt))
1954 			break;
1955 		if (i == 0 && drm_edid_is_zero(edid, EDID_LENGTH)) {
1956 			connector->null_edid_counter++;
1957 			goto carp;
1958 		}
1959 	}
1960 	if (i == 4)
1961 		goto carp;
1962 
1963 	/* if there's no extensions, we're done */
1964 	valid_extensions = edid[0x7e];
1965 	if (valid_extensions == 0)
1966 		return (struct edid *)edid;
1967 
1968 #ifdef __linux__
1969 	new = krealloc(edid, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL);
1970 	if (!new)
1971 		goto out;
1972 #else
1973 	new = kmalloc((valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL);
1974 	if (!new)
1975 		goto out;
1976 	memcpy(new, edid, EDID_LENGTH);
1977 	kfree(edid);
1978 #endif
1979 	edid = new;
1980 
1981 	for (j = 1; j <= edid[0x7e]; j++) {
1982 		u8 *block = edid + j * EDID_LENGTH;
1983 
1984 		for (i = 0; i < 4; i++) {
1985 			if (get_edid_block(data, block, j, EDID_LENGTH))
1986 				goto out;
1987 			if (drm_edid_block_valid(block, j, false, NULL))
1988 				break;
1989 		}
1990 
1991 		if (i == 4)
1992 			valid_extensions--;
1993 	}
1994 
1995 	if (valid_extensions != edid[0x7e]) {
1996 		u8 *base;
1997 
1998 		connector_bad_edid(connector, edid, edid[0x7e] + 1);
1999 
2000 		edid[EDID_LENGTH-1] += edid[0x7e] - valid_extensions;
2001 		edid[0x7e] = valid_extensions;
2002 
2003 		new = kmalloc_array(valid_extensions + 1, EDID_LENGTH,
2004 				    GFP_KERNEL);
2005 		if (!new)
2006 			goto out;
2007 
2008 		base = new;
2009 		for (i = 0; i <= edid[0x7e]; i++) {
2010 			u8 *block = edid + i * EDID_LENGTH;
2011 
2012 			if (!drm_edid_block_valid(block, i, false, NULL))
2013 				continue;
2014 
2015 			memcpy(base, block, EDID_LENGTH);
2016 			base += EDID_LENGTH;
2017 		}
2018 
2019 		kfree(edid);
2020 		edid = new;
2021 	}
2022 
2023 	return (struct edid *)edid;
2024 
2025 carp:
2026 	connector_bad_edid(connector, edid, 1);
2027 out:
2028 	kfree(edid);
2029 	return NULL;
2030 }
2031 EXPORT_SYMBOL_GPL(drm_do_get_edid);
2032 
2033 /**
2034  * drm_probe_ddc() - probe DDC presence
2035  * @adapter: I2C adapter to probe
2036  *
2037  * Return: True on success, false on failure.
2038  */
2039 bool
2040 drm_probe_ddc(struct i2c_adapter *adapter)
2041 {
2042 	unsigned char out;
2043 
2044 	return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
2045 }
2046 EXPORT_SYMBOL(drm_probe_ddc);
2047 
2048 /**
2049  * drm_get_edid - get EDID data, if available
2050  * @connector: connector we're probing
2051  * @adapter: I2C adapter to use for DDC
2052  *
2053  * Poke the given I2C channel to grab EDID data if possible.  If found,
2054  * attach it to the connector.
2055  *
2056  * Return: Pointer to valid EDID or NULL if we couldn't find any.
2057  */
2058 struct edid *drm_get_edid(struct drm_connector *connector,
2059 			  struct i2c_adapter *adapter)
2060 {
2061 	struct edid *edid;
2062 
2063 	if (connector->force == DRM_FORCE_OFF)
2064 		return NULL;
2065 
2066 	if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
2067 		return NULL;
2068 
2069 	edid = drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter);
2070 	drm_connector_update_edid_property(connector, edid);
2071 	return edid;
2072 }
2073 EXPORT_SYMBOL(drm_get_edid);
2074 
2075 /**
2076  * drm_get_edid_switcheroo - get EDID data for a vga_switcheroo output
2077  * @connector: connector we're probing
2078  * @adapter: I2C adapter to use for DDC
2079  *
2080  * Wrapper around drm_get_edid() for laptops with dual GPUs using one set of
2081  * outputs. The wrapper adds the requisite vga_switcheroo calls to temporarily
2082  * switch DDC to the GPU which is retrieving EDID.
2083  *
2084  * Return: Pointer to valid EDID or %NULL if we couldn't find any.
2085  */
2086 struct edid *drm_get_edid_switcheroo(struct drm_connector *connector,
2087 				     struct i2c_adapter *adapter)
2088 {
2089 	struct pci_dev *pdev = connector->dev->pdev;
2090 	struct edid *edid;
2091 
2092 	vga_switcheroo_lock_ddc(pdev);
2093 	edid = drm_get_edid(connector, adapter);
2094 	vga_switcheroo_unlock_ddc(pdev);
2095 
2096 	return edid;
2097 }
2098 EXPORT_SYMBOL(drm_get_edid_switcheroo);
2099 
2100 /**
2101  * drm_edid_duplicate - duplicate an EDID and the extensions
2102  * @edid: EDID to duplicate
2103  *
2104  * Return: Pointer to duplicated EDID or NULL on allocation failure.
2105  */
2106 struct edid *drm_edid_duplicate(const struct edid *edid)
2107 {
2108 	return kmemdup(edid, (edid->extensions + 1) * EDID_LENGTH, GFP_KERNEL);
2109 }
2110 EXPORT_SYMBOL(drm_edid_duplicate);
2111 
2112 /*** EDID parsing ***/
2113 
2114 /**
2115  * edid_vendor - match a string against EDID's obfuscated vendor field
2116  * @edid: EDID to match
2117  * @vendor: vendor string
2118  *
2119  * Returns true if @vendor is in @edid, false otherwise
2120  */
2121 static bool edid_vendor(const struct edid *edid, const char *vendor)
2122 {
2123 	char edid_vendor[3];
2124 
2125 	edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@';
2126 	edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) |
2127 			  ((edid->mfg_id[1] & 0xe0) >> 5)) + '@';
2128 	edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@';
2129 
2130 	return !strncmp(edid_vendor, vendor, 3);
2131 }
2132 
2133 /**
2134  * edid_get_quirks - return quirk flags for a given EDID
2135  * @edid: EDID to process
2136  *
2137  * This tells subsequent routines what fixes they need to apply.
2138  */
2139 static u32 edid_get_quirks(const struct edid *edid)
2140 {
2141 	const struct edid_quirk *quirk;
2142 	int i;
2143 
2144 	for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
2145 		quirk = &edid_quirk_list[i];
2146 
2147 		if (edid_vendor(edid, quirk->vendor) &&
2148 		    (EDID_PRODUCT_ID(edid) == quirk->product_id))
2149 			return quirk->quirks;
2150 	}
2151 
2152 	return 0;
2153 }
2154 
2155 #define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
2156 #define MODE_REFRESH_DIFF(c,t) (abs((c) - (t)))
2157 
2158 /**
2159  * edid_fixup_preferred - set preferred modes based on quirk list
2160  * @connector: has mode list to fix up
2161  * @quirks: quirks list
2162  *
2163  * Walk the mode list for @connector, clearing the preferred status
2164  * on existing modes and setting it anew for the right mode ala @quirks.
2165  */
2166 static void edid_fixup_preferred(struct drm_connector *connector,
2167 				 u32 quirks)
2168 {
2169 	struct drm_display_mode *t, *cur_mode, *preferred_mode;
2170 	int target_refresh = 0;
2171 	int cur_vrefresh, preferred_vrefresh;
2172 
2173 	if (list_empty(&connector->probed_modes))
2174 		return;
2175 
2176 	if (quirks & EDID_QUIRK_PREFER_LARGE_60)
2177 		target_refresh = 60;
2178 	if (quirks & EDID_QUIRK_PREFER_LARGE_75)
2179 		target_refresh = 75;
2180 
2181 	preferred_mode = list_first_entry(&connector->probed_modes,
2182 					  struct drm_display_mode, head);
2183 
2184 	list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) {
2185 		cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
2186 
2187 		if (cur_mode == preferred_mode)
2188 			continue;
2189 
2190 		/* Largest mode is preferred */
2191 		if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
2192 			preferred_mode = cur_mode;
2193 
2194 		cur_vrefresh = drm_mode_vrefresh(cur_mode);
2195 		preferred_vrefresh = drm_mode_vrefresh(preferred_mode);
2196 		/* At a given size, try to get closest to target refresh */
2197 		if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
2198 		    MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) <
2199 		    MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) {
2200 			preferred_mode = cur_mode;
2201 		}
2202 	}
2203 
2204 	preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
2205 }
2206 
2207 static bool
2208 mode_is_rb(const struct drm_display_mode *mode)
2209 {
2210 	return (mode->htotal - mode->hdisplay == 160) &&
2211 	       (mode->hsync_end - mode->hdisplay == 80) &&
2212 	       (mode->hsync_end - mode->hsync_start == 32) &&
2213 	       (mode->vsync_start - mode->vdisplay == 3);
2214 }
2215 
2216 /*
2217  * drm_mode_find_dmt - Create a copy of a mode if present in DMT
2218  * @dev: Device to duplicate against
2219  * @hsize: Mode width
2220  * @vsize: Mode height
2221  * @fresh: Mode refresh rate
2222  * @rb: Mode reduced-blanking-ness
2223  *
2224  * Walk the DMT mode list looking for a match for the given parameters.
2225  *
2226  * Return: A newly allocated copy of the mode, or NULL if not found.
2227  */
2228 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
2229 					   int hsize, int vsize, int fresh,
2230 					   bool rb)
2231 {
2232 	int i;
2233 
2234 	for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2235 		const struct drm_display_mode *ptr = &drm_dmt_modes[i];
2236 
2237 		if (hsize != ptr->hdisplay)
2238 			continue;
2239 		if (vsize != ptr->vdisplay)
2240 			continue;
2241 		if (fresh != drm_mode_vrefresh(ptr))
2242 			continue;
2243 		if (rb != mode_is_rb(ptr))
2244 			continue;
2245 
2246 		return drm_mode_duplicate(dev, ptr);
2247 	}
2248 
2249 	return NULL;
2250 }
2251 EXPORT_SYMBOL(drm_mode_find_dmt);
2252 
2253 static bool is_display_descriptor(const u8 d[18], u8 tag)
2254 {
2255 	return d[0] == 0x00 && d[1] == 0x00 &&
2256 		d[2] == 0x00 && d[3] == tag;
2257 }
2258 
2259 static bool is_detailed_timing_descriptor(const u8 d[18])
2260 {
2261 	return d[0] != 0x00 || d[1] != 0x00;
2262 }
2263 
2264 typedef void detailed_cb(struct detailed_timing *timing, void *closure);
2265 
2266 static void
2267 cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2268 {
2269 	int i, n;
2270 	u8 d = ext[0x02];
2271 	u8 *det_base = ext + d;
2272 
2273 	if (d < 4 || d > 127)
2274 		return;
2275 
2276 	n = (127 - d) / 18;
2277 	for (i = 0; i < n; i++)
2278 		cb((struct detailed_timing *)(det_base + 18 * i), closure);
2279 }
2280 
2281 static void
2282 vtb_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2283 {
2284 	unsigned int i, n = min((int)ext[0x02], 6);
2285 	u8 *det_base = ext + 5;
2286 
2287 	if (ext[0x01] != 1)
2288 		return; /* unknown version */
2289 
2290 	for (i = 0; i < n; i++)
2291 		cb((struct detailed_timing *)(det_base + 18 * i), closure);
2292 }
2293 
2294 static void
2295 drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure)
2296 {
2297 	int i;
2298 	struct edid *edid = (struct edid *)raw_edid;
2299 
2300 	if (edid == NULL)
2301 		return;
2302 
2303 	for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
2304 		cb(&(edid->detailed_timings[i]), closure);
2305 
2306 	for (i = 1; i <= raw_edid[0x7e]; i++) {
2307 		u8 *ext = raw_edid + (i * EDID_LENGTH);
2308 
2309 		switch (*ext) {
2310 		case CEA_EXT:
2311 			cea_for_each_detailed_block(ext, cb, closure);
2312 			break;
2313 		case VTB_EXT:
2314 			vtb_for_each_detailed_block(ext, cb, closure);
2315 			break;
2316 		default:
2317 			break;
2318 		}
2319 	}
2320 }
2321 
2322 static void
2323 is_rb(struct detailed_timing *t, void *data)
2324 {
2325 	u8 *r = (u8 *)t;
2326 
2327 	if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2328 		return;
2329 
2330 	if (r[15] & 0x10)
2331 		*(bool *)data = true;
2332 }
2333 
2334 /* EDID 1.4 defines this explicitly.  For EDID 1.3, we guess, badly. */
2335 static bool
2336 drm_monitor_supports_rb(struct edid *edid)
2337 {
2338 	if (edid->revision >= 4) {
2339 		bool ret = false;
2340 
2341 		drm_for_each_detailed_block((u8 *)edid, is_rb, &ret);
2342 		return ret;
2343 	}
2344 
2345 	return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
2346 }
2347 
2348 static void
2349 find_gtf2(struct detailed_timing *t, void *data)
2350 {
2351 	u8 *r = (u8 *)t;
2352 
2353 	if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2354 		return;
2355 
2356 	if (r[10] == 0x02)
2357 		*(u8 **)data = r;
2358 }
2359 
2360 /* Secondary GTF curve kicks in above some break frequency */
2361 static int
2362 drm_gtf2_hbreak(struct edid *edid)
2363 {
2364 	u8 *r = NULL;
2365 
2366 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2367 	return r ? (r[12] * 2) : 0;
2368 }
2369 
2370 static int
2371 drm_gtf2_2c(struct edid *edid)
2372 {
2373 	u8 *r = NULL;
2374 
2375 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2376 	return r ? r[13] : 0;
2377 }
2378 
2379 static int
2380 drm_gtf2_m(struct edid *edid)
2381 {
2382 	u8 *r = NULL;
2383 
2384 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2385 	return r ? (r[15] << 8) + r[14] : 0;
2386 }
2387 
2388 static int
2389 drm_gtf2_k(struct edid *edid)
2390 {
2391 	u8 *r = NULL;
2392 
2393 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2394 	return r ? r[16] : 0;
2395 }
2396 
2397 static int
2398 drm_gtf2_2j(struct edid *edid)
2399 {
2400 	u8 *r = NULL;
2401 
2402 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2403 	return r ? r[17] : 0;
2404 }
2405 
2406 /**
2407  * standard_timing_level - get std. timing level(CVT/GTF/DMT)
2408  * @edid: EDID block to scan
2409  */
2410 static int standard_timing_level(struct edid *edid)
2411 {
2412 	if (edid->revision >= 2) {
2413 		if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))
2414 			return LEVEL_CVT;
2415 		if (drm_gtf2_hbreak(edid))
2416 			return LEVEL_GTF2;
2417 		if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
2418 			return LEVEL_GTF;
2419 	}
2420 	return LEVEL_DMT;
2421 }
2422 
2423 /*
2424  * 0 is reserved.  The spec says 0x01 fill for unused timings.  Some old
2425  * monitors fill with ascii space (0x20) instead.
2426  */
2427 static int
2428 bad_std_timing(u8 a, u8 b)
2429 {
2430 	return (a == 0x00 && b == 0x00) ||
2431 	       (a == 0x01 && b == 0x01) ||
2432 	       (a == 0x20 && b == 0x20);
2433 }
2434 
2435 static int drm_mode_hsync(const struct drm_display_mode *mode)
2436 {
2437 	if (mode->htotal <= 0)
2438 		return 0;
2439 
2440 	return DIV_ROUND_CLOSEST(mode->clock, mode->htotal);
2441 }
2442 
2443 /**
2444  * drm_mode_std - convert standard mode info (width, height, refresh) into mode
2445  * @connector: connector of for the EDID block
2446  * @edid: EDID block to scan
2447  * @t: standard timing params
2448  *
2449  * Take the standard timing params (in this case width, aspect, and refresh)
2450  * and convert them into a real mode using CVT/GTF/DMT.
2451  */
2452 static struct drm_display_mode *
2453 drm_mode_std(struct drm_connector *connector, struct edid *edid,
2454 	     struct std_timing *t)
2455 {
2456 	struct drm_device *dev = connector->dev;
2457 	struct drm_display_mode *m, *mode = NULL;
2458 	int hsize, vsize;
2459 	int vrefresh_rate;
2460 	unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
2461 		>> EDID_TIMING_ASPECT_SHIFT;
2462 	unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
2463 		>> EDID_TIMING_VFREQ_SHIFT;
2464 	int timing_level = standard_timing_level(edid);
2465 
2466 	if (bad_std_timing(t->hsize, t->vfreq_aspect))
2467 		return NULL;
2468 
2469 	/* According to the EDID spec, the hdisplay = hsize * 8 + 248 */
2470 	hsize = t->hsize * 8 + 248;
2471 	/* vrefresh_rate = vfreq + 60 */
2472 	vrefresh_rate = vfreq + 60;
2473 	/* the vdisplay is calculated based on the aspect ratio */
2474 	if (aspect_ratio == 0) {
2475 		if (edid->revision < 3)
2476 			vsize = hsize;
2477 		else
2478 			vsize = (hsize * 10) / 16;
2479 	} else if (aspect_ratio == 1)
2480 		vsize = (hsize * 3) / 4;
2481 	else if (aspect_ratio == 2)
2482 		vsize = (hsize * 4) / 5;
2483 	else
2484 		vsize = (hsize * 9) / 16;
2485 
2486 	/* HDTV hack, part 1 */
2487 	if (vrefresh_rate == 60 &&
2488 	    ((hsize == 1360 && vsize == 765) ||
2489 	     (hsize == 1368 && vsize == 769))) {
2490 		hsize = 1366;
2491 		vsize = 768;
2492 	}
2493 
2494 	/*
2495 	 * If this connector already has a mode for this size and refresh
2496 	 * rate (because it came from detailed or CVT info), use that
2497 	 * instead.  This way we don't have to guess at interlace or
2498 	 * reduced blanking.
2499 	 */
2500 	list_for_each_entry(m, &connector->probed_modes, head)
2501 		if (m->hdisplay == hsize && m->vdisplay == vsize &&
2502 		    drm_mode_vrefresh(m) == vrefresh_rate)
2503 			return NULL;
2504 
2505 	/* HDTV hack, part 2 */
2506 	if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
2507 		mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
2508 				    false);
2509 		if (!mode)
2510 			return NULL;
2511 		mode->hdisplay = 1366;
2512 		mode->hsync_start = mode->hsync_start - 1;
2513 		mode->hsync_end = mode->hsync_end - 1;
2514 		return mode;
2515 	}
2516 
2517 	/* check whether it can be found in default mode table */
2518 	if (drm_monitor_supports_rb(edid)) {
2519 		mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate,
2520 					 true);
2521 		if (mode)
2522 			return mode;
2523 	}
2524 	mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, false);
2525 	if (mode)
2526 		return mode;
2527 
2528 	/* okay, generate it */
2529 	switch (timing_level) {
2530 	case LEVEL_DMT:
2531 		break;
2532 	case LEVEL_GTF:
2533 		mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2534 		break;
2535 	case LEVEL_GTF2:
2536 		/*
2537 		 * This is potentially wrong if there's ever a monitor with
2538 		 * more than one ranges section, each claiming a different
2539 		 * secondary GTF curve.  Please don't do that.
2540 		 */
2541 		mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2542 		if (!mode)
2543 			return NULL;
2544 		if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) {
2545 			drm_mode_destroy(dev, mode);
2546 			mode = drm_gtf_mode_complex(dev, hsize, vsize,
2547 						    vrefresh_rate, 0, 0,
2548 						    drm_gtf2_m(edid),
2549 						    drm_gtf2_2c(edid),
2550 						    drm_gtf2_k(edid),
2551 						    drm_gtf2_2j(edid));
2552 		}
2553 		break;
2554 	case LEVEL_CVT:
2555 		mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
2556 				    false);
2557 		break;
2558 	}
2559 	return mode;
2560 }
2561 
2562 /*
2563  * EDID is delightfully ambiguous about how interlaced modes are to be
2564  * encoded.  Our internal representation is of frame height, but some
2565  * HDTV detailed timings are encoded as field height.
2566  *
2567  * The format list here is from CEA, in frame size.  Technically we
2568  * should be checking refresh rate too.  Whatever.
2569  */
2570 static void
2571 drm_mode_do_interlace_quirk(struct drm_display_mode *mode,
2572 			    struct detailed_pixel_timing *pt)
2573 {
2574 	int i;
2575 	static const struct {
2576 		int w, h;
2577 	} cea_interlaced[] = {
2578 		{ 1920, 1080 },
2579 		{  720,  480 },
2580 		{ 1440,  480 },
2581 		{ 2880,  480 },
2582 		{  720,  576 },
2583 		{ 1440,  576 },
2584 		{ 2880,  576 },
2585 	};
2586 
2587 	if (!(pt->misc & DRM_EDID_PT_INTERLACED))
2588 		return;
2589 
2590 	for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) {
2591 		if ((mode->hdisplay == cea_interlaced[i].w) &&
2592 		    (mode->vdisplay == cea_interlaced[i].h / 2)) {
2593 			mode->vdisplay *= 2;
2594 			mode->vsync_start *= 2;
2595 			mode->vsync_end *= 2;
2596 			mode->vtotal *= 2;
2597 			mode->vtotal |= 1;
2598 		}
2599 	}
2600 
2601 	mode->flags |= DRM_MODE_FLAG_INTERLACE;
2602 }
2603 
2604 /**
2605  * drm_mode_detailed - create a new mode from an EDID detailed timing section
2606  * @dev: DRM device (needed to create new mode)
2607  * @edid: EDID block
2608  * @timing: EDID detailed timing info
2609  * @quirks: quirks to apply
2610  *
2611  * An EDID detailed timing block contains enough info for us to create and
2612  * return a new struct drm_display_mode.
2613  */
2614 static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
2615 						  struct edid *edid,
2616 						  struct detailed_timing *timing,
2617 						  u32 quirks)
2618 {
2619 	struct drm_display_mode *mode;
2620 	struct detailed_pixel_timing *pt = &timing->data.pixel_data;
2621 	unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo;
2622 	unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo;
2623 	unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo;
2624 	unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo;
2625 	unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo;
2626 	unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo;
2627 	unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4;
2628 	unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf);
2629 
2630 	/* ignore tiny modes */
2631 	if (hactive < 64 || vactive < 64)
2632 		return NULL;
2633 
2634 	if (pt->misc & DRM_EDID_PT_STEREO) {
2635 		DRM_DEBUG_KMS("stereo mode not supported\n");
2636 		return NULL;
2637 	}
2638 	if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) {
2639 		DRM_DEBUG_KMS("composite sync not supported\n");
2640 	}
2641 
2642 	/* it is incorrect if hsync/vsync width is zero */
2643 	if (!hsync_pulse_width || !vsync_pulse_width) {
2644 		DRM_DEBUG_KMS("Incorrect Detailed timing. "
2645 				"Wrong Hsync/Vsync pulse width\n");
2646 		return NULL;
2647 	}
2648 
2649 	if (quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) {
2650 		mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false);
2651 		if (!mode)
2652 			return NULL;
2653 
2654 		goto set_size;
2655 	}
2656 
2657 	mode = drm_mode_create(dev);
2658 	if (!mode)
2659 		return NULL;
2660 
2661 	if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
2662 		timing->pixel_clock = cpu_to_le16(1088);
2663 
2664 	mode->clock = le16_to_cpu(timing->pixel_clock) * 10;
2665 
2666 	mode->hdisplay = hactive;
2667 	mode->hsync_start = mode->hdisplay + hsync_offset;
2668 	mode->hsync_end = mode->hsync_start + hsync_pulse_width;
2669 	mode->htotal = mode->hdisplay + hblank;
2670 
2671 	mode->vdisplay = vactive;
2672 	mode->vsync_start = mode->vdisplay + vsync_offset;
2673 	mode->vsync_end = mode->vsync_start + vsync_pulse_width;
2674 	mode->vtotal = mode->vdisplay + vblank;
2675 
2676 	/* Some EDIDs have bogus h/vtotal values */
2677 	if (mode->hsync_end > mode->htotal)
2678 		mode->htotal = mode->hsync_end + 1;
2679 	if (mode->vsync_end > mode->vtotal)
2680 		mode->vtotal = mode->vsync_end + 1;
2681 
2682 	drm_mode_do_interlace_quirk(mode, pt);
2683 
2684 	if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
2685 		pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE;
2686 	}
2687 
2688 	mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
2689 		DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
2690 	mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?
2691 		DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
2692 
2693 set_size:
2694 	mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4;
2695 	mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8;
2696 
2697 	if (quirks & EDID_QUIRK_DETAILED_IN_CM) {
2698 		mode->width_mm *= 10;
2699 		mode->height_mm *= 10;
2700 	}
2701 
2702 	if (quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) {
2703 		mode->width_mm = edid->width_cm * 10;
2704 		mode->height_mm = edid->height_cm * 10;
2705 	}
2706 
2707 	mode->type = DRM_MODE_TYPE_DRIVER;
2708 	drm_mode_set_name(mode);
2709 
2710 	return mode;
2711 }
2712 
2713 static bool
2714 mode_in_hsync_range(const struct drm_display_mode *mode,
2715 		    struct edid *edid, u8 *t)
2716 {
2717 	int hsync, hmin, hmax;
2718 
2719 	hmin = t[7];
2720 	if (edid->revision >= 4)
2721 	    hmin += ((t[4] & 0x04) ? 255 : 0);
2722 	hmax = t[8];
2723 	if (edid->revision >= 4)
2724 	    hmax += ((t[4] & 0x08) ? 255 : 0);
2725 	hsync = drm_mode_hsync(mode);
2726 
2727 	return (hsync <= hmax && hsync >= hmin);
2728 }
2729 
2730 static bool
2731 mode_in_vsync_range(const struct drm_display_mode *mode,
2732 		    struct edid *edid, u8 *t)
2733 {
2734 	int vsync, vmin, vmax;
2735 
2736 	vmin = t[5];
2737 	if (edid->revision >= 4)
2738 	    vmin += ((t[4] & 0x01) ? 255 : 0);
2739 	vmax = t[6];
2740 	if (edid->revision >= 4)
2741 	    vmax += ((t[4] & 0x02) ? 255 : 0);
2742 	vsync = drm_mode_vrefresh(mode);
2743 
2744 	return (vsync <= vmax && vsync >= vmin);
2745 }
2746 
2747 static u32
2748 range_pixel_clock(struct edid *edid, u8 *t)
2749 {
2750 	/* unspecified */
2751 	if (t[9] == 0 || t[9] == 255)
2752 		return 0;
2753 
2754 	/* 1.4 with CVT support gives us real precision, yay */
2755 	if (edid->revision >= 4 && t[10] == 0x04)
2756 		return (t[9] * 10000) - ((t[12] >> 2) * 250);
2757 
2758 	/* 1.3 is pathetic, so fuzz up a bit */
2759 	return t[9] * 10000 + 5001;
2760 }
2761 
2762 static bool
2763 mode_in_range(const struct drm_display_mode *mode, struct edid *edid,
2764 	      struct detailed_timing *timing)
2765 {
2766 	u32 max_clock;
2767 	u8 *t = (u8 *)timing;
2768 
2769 	if (!mode_in_hsync_range(mode, edid, t))
2770 		return false;
2771 
2772 	if (!mode_in_vsync_range(mode, edid, t))
2773 		return false;
2774 
2775 	if ((max_clock = range_pixel_clock(edid, t)))
2776 		if (mode->clock > max_clock)
2777 			return false;
2778 
2779 	/* 1.4 max horizontal check */
2780 	if (edid->revision >= 4 && t[10] == 0x04)
2781 		if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
2782 			return false;
2783 
2784 	if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid))
2785 		return false;
2786 
2787 	return true;
2788 }
2789 
2790 static bool valid_inferred_mode(const struct drm_connector *connector,
2791 				const struct drm_display_mode *mode)
2792 {
2793 	const struct drm_display_mode *m;
2794 	bool ok = false;
2795 
2796 	list_for_each_entry(m, &connector->probed_modes, head) {
2797 		if (mode->hdisplay == m->hdisplay &&
2798 		    mode->vdisplay == m->vdisplay &&
2799 		    drm_mode_vrefresh(mode) == drm_mode_vrefresh(m))
2800 			return false; /* duplicated */
2801 		if (mode->hdisplay <= m->hdisplay &&
2802 		    mode->vdisplay <= m->vdisplay)
2803 			ok = true;
2804 	}
2805 	return ok;
2806 }
2807 
2808 static int
2809 drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2810 			struct detailed_timing *timing)
2811 {
2812 	int i, modes = 0;
2813 	struct drm_display_mode *newmode;
2814 	struct drm_device *dev = connector->dev;
2815 
2816 	for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2817 		if (mode_in_range(drm_dmt_modes + i, edid, timing) &&
2818 		    valid_inferred_mode(connector, drm_dmt_modes + i)) {
2819 			newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
2820 			if (newmode) {
2821 				drm_mode_probed_add(connector, newmode);
2822 				modes++;
2823 			}
2824 		}
2825 	}
2826 
2827 	return modes;
2828 }
2829 
2830 /* fix up 1366x768 mode from 1368x768;
2831  * GFT/CVT can't express 1366 width which isn't dividable by 8
2832  */
2833 void drm_mode_fixup_1366x768(struct drm_display_mode *mode)
2834 {
2835 	if (mode->hdisplay == 1368 && mode->vdisplay == 768) {
2836 		mode->hdisplay = 1366;
2837 		mode->hsync_start--;
2838 		mode->hsync_end--;
2839 		drm_mode_set_name(mode);
2840 	}
2841 }
2842 
2843 static int
2844 drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid,
2845 			struct detailed_timing *timing)
2846 {
2847 	int i, modes = 0;
2848 	struct drm_display_mode *newmode;
2849 	struct drm_device *dev = connector->dev;
2850 
2851 	for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2852 		const struct minimode *m = &extra_modes[i];
2853 
2854 		newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0);
2855 		if (!newmode)
2856 			return modes;
2857 
2858 		drm_mode_fixup_1366x768(newmode);
2859 		if (!mode_in_range(newmode, edid, timing) ||
2860 		    !valid_inferred_mode(connector, newmode)) {
2861 			drm_mode_destroy(dev, newmode);
2862 			continue;
2863 		}
2864 
2865 		drm_mode_probed_add(connector, newmode);
2866 		modes++;
2867 	}
2868 
2869 	return modes;
2870 }
2871 
2872 static int
2873 drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2874 			struct detailed_timing *timing)
2875 {
2876 	int i, modes = 0;
2877 	struct drm_display_mode *newmode;
2878 	struct drm_device *dev = connector->dev;
2879 	bool rb = drm_monitor_supports_rb(edid);
2880 
2881 	for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2882 		const struct minimode *m = &extra_modes[i];
2883 
2884 		newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0);
2885 		if (!newmode)
2886 			return modes;
2887 
2888 		drm_mode_fixup_1366x768(newmode);
2889 		if (!mode_in_range(newmode, edid, timing) ||
2890 		    !valid_inferred_mode(connector, newmode)) {
2891 			drm_mode_destroy(dev, newmode);
2892 			continue;
2893 		}
2894 
2895 		drm_mode_probed_add(connector, newmode);
2896 		modes++;
2897 	}
2898 
2899 	return modes;
2900 }
2901 
2902 static void
2903 do_inferred_modes(struct detailed_timing *timing, void *c)
2904 {
2905 	struct detailed_mode_closure *closure = c;
2906 	struct detailed_non_pixel *data = &timing->data.other_data;
2907 	struct detailed_data_monitor_range *range = &data->data.range;
2908 
2909 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
2910 		return;
2911 
2912 	closure->modes += drm_dmt_modes_for_range(closure->connector,
2913 						  closure->edid,
2914 						  timing);
2915 
2916 	if (!version_greater(closure->edid, 1, 1))
2917 		return; /* GTF not defined yet */
2918 
2919 	switch (range->flags) {
2920 	case 0x02: /* secondary gtf, XXX could do more */
2921 	case 0x00: /* default gtf */
2922 		closure->modes += drm_gtf_modes_for_range(closure->connector,
2923 							  closure->edid,
2924 							  timing);
2925 		break;
2926 	case 0x04: /* cvt, only in 1.4+ */
2927 		if (!version_greater(closure->edid, 1, 3))
2928 			break;
2929 
2930 		closure->modes += drm_cvt_modes_for_range(closure->connector,
2931 							  closure->edid,
2932 							  timing);
2933 		break;
2934 	case 0x01: /* just the ranges, no formula */
2935 	default:
2936 		break;
2937 	}
2938 }
2939 
2940 static int
2941 add_inferred_modes(struct drm_connector *connector, struct edid *edid)
2942 {
2943 	struct detailed_mode_closure closure = {
2944 		.connector = connector,
2945 		.edid = edid,
2946 	};
2947 
2948 	if (version_greater(edid, 1, 0))
2949 		drm_for_each_detailed_block((u8 *)edid, do_inferred_modes,
2950 					    &closure);
2951 
2952 	return closure.modes;
2953 }
2954 
2955 static int
2956 drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing)
2957 {
2958 	int i, j, m, modes = 0;
2959 	struct drm_display_mode *mode;
2960 	u8 *est = ((u8 *)timing) + 6;
2961 
2962 	for (i = 0; i < 6; i++) {
2963 		for (j = 7; j >= 0; j--) {
2964 			m = (i * 8) + (7 - j);
2965 			if (m >= ARRAY_SIZE(est3_modes))
2966 				break;
2967 			if (est[i] & (1 << j)) {
2968 				mode = drm_mode_find_dmt(connector->dev,
2969 							 est3_modes[m].w,
2970 							 est3_modes[m].h,
2971 							 est3_modes[m].r,
2972 							 est3_modes[m].rb);
2973 				if (mode) {
2974 					drm_mode_probed_add(connector, mode);
2975 					modes++;
2976 				}
2977 			}
2978 		}
2979 	}
2980 
2981 	return modes;
2982 }
2983 
2984 static void
2985 do_established_modes(struct detailed_timing *timing, void *c)
2986 {
2987 	struct detailed_mode_closure *closure = c;
2988 
2989 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_EST_TIMINGS))
2990 		return;
2991 
2992 	closure->modes += drm_est3_modes(closure->connector, timing);
2993 }
2994 
2995 /**
2996  * add_established_modes - get est. modes from EDID and add them
2997  * @connector: connector to add mode(s) to
2998  * @edid: EDID block to scan
2999  *
3000  * Each EDID block contains a bitmap of the supported "established modes" list
3001  * (defined above).  Tease them out and add them to the global modes list.
3002  */
3003 static int
3004 add_established_modes(struct drm_connector *connector, struct edid *edid)
3005 {
3006 	struct drm_device *dev = connector->dev;
3007 	unsigned long est_bits = edid->established_timings.t1 |
3008 		(edid->established_timings.t2 << 8) |
3009 		((edid->established_timings.mfg_rsvd & 0x80) << 9);
3010 	int i, modes = 0;
3011 	struct detailed_mode_closure closure = {
3012 		.connector = connector,
3013 		.edid = edid,
3014 	};
3015 
3016 	for (i = 0; i <= EDID_EST_TIMINGS; i++) {
3017 		if (est_bits & (1<<i)) {
3018 			struct drm_display_mode *newmode;
3019 
3020 			newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
3021 			if (newmode) {
3022 				drm_mode_probed_add(connector, newmode);
3023 				modes++;
3024 			}
3025 		}
3026 	}
3027 
3028 	if (version_greater(edid, 1, 0))
3029 		    drm_for_each_detailed_block((u8 *)edid,
3030 						do_established_modes, &closure);
3031 
3032 	return modes + closure.modes;
3033 }
3034 
3035 static void
3036 do_standard_modes(struct detailed_timing *timing, void *c)
3037 {
3038 	struct detailed_mode_closure *closure = c;
3039 	struct detailed_non_pixel *data = &timing->data.other_data;
3040 	struct drm_connector *connector = closure->connector;
3041 	struct edid *edid = closure->edid;
3042 	int i;
3043 
3044 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_STD_MODES))
3045 		return;
3046 
3047 	for (i = 0; i < 6; i++) {
3048 		struct std_timing *std = &data->data.timings[i];
3049 		struct drm_display_mode *newmode;
3050 
3051 		newmode = drm_mode_std(connector, edid, std);
3052 		if (newmode) {
3053 			drm_mode_probed_add(connector, newmode);
3054 			closure->modes++;
3055 		}
3056 	}
3057 }
3058 
3059 /**
3060  * add_standard_modes - get std. modes from EDID and add them
3061  * @connector: connector to add mode(s) to
3062  * @edid: EDID block to scan
3063  *
3064  * Standard modes can be calculated using the appropriate standard (DMT,
3065  * GTF or CVT. Grab them from @edid and add them to the list.
3066  */
3067 static int
3068 add_standard_modes(struct drm_connector *connector, struct edid *edid)
3069 {
3070 	int i, modes = 0;
3071 	struct detailed_mode_closure closure = {
3072 		.connector = connector,
3073 		.edid = edid,
3074 	};
3075 
3076 	for (i = 0; i < EDID_STD_TIMINGS; i++) {
3077 		struct drm_display_mode *newmode;
3078 
3079 		newmode = drm_mode_std(connector, edid,
3080 				       &edid->standard_timings[i]);
3081 		if (newmode) {
3082 			drm_mode_probed_add(connector, newmode);
3083 			modes++;
3084 		}
3085 	}
3086 
3087 	if (version_greater(edid, 1, 0))
3088 		drm_for_each_detailed_block((u8 *)edid, do_standard_modes,
3089 					    &closure);
3090 
3091 	/* XXX should also look for standard codes in VTB blocks */
3092 
3093 	return modes + closure.modes;
3094 }
3095 
3096 static int drm_cvt_modes(struct drm_connector *connector,
3097 			 struct detailed_timing *timing)
3098 {
3099 	int i, j, modes = 0;
3100 	struct drm_display_mode *newmode;
3101 	struct drm_device *dev = connector->dev;
3102 	struct cvt_timing *cvt;
3103 	const int rates[] = { 60, 85, 75, 60, 50 };
3104 	const u8 empty[3] = { 0, 0, 0 };
3105 
3106 	for (i = 0; i < 4; i++) {
3107 		int width, height;
3108 
3109 		cvt = &(timing->data.other_data.data.cvt[i]);
3110 
3111 		if (!memcmp(cvt->code, empty, 3))
3112 			continue;
3113 
3114 		height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;
3115 		switch (cvt->code[1] & 0x0c) {
3116 		/* default - because compiler doesn't see that we've enumerated all cases */
3117 		default:
3118 		case 0x00:
3119 			width = height * 4 / 3;
3120 			break;
3121 		case 0x04:
3122 			width = height * 16 / 9;
3123 			break;
3124 		case 0x08:
3125 			width = height * 16 / 10;
3126 			break;
3127 		case 0x0c:
3128 			width = height * 15 / 9;
3129 			break;
3130 		}
3131 
3132 		for (j = 1; j < 5; j++) {
3133 			if (cvt->code[2] & (1 << j)) {
3134 				newmode = drm_cvt_mode(dev, width, height,
3135 						       rates[j], j == 0,
3136 						       false, false);
3137 				if (newmode) {
3138 					drm_mode_probed_add(connector, newmode);
3139 					modes++;
3140 				}
3141 			}
3142 		}
3143 	}
3144 
3145 	return modes;
3146 }
3147 
3148 static void
3149 do_cvt_mode(struct detailed_timing *timing, void *c)
3150 {
3151 	struct detailed_mode_closure *closure = c;
3152 
3153 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_CVT_3BYTE))
3154 		return;
3155 
3156 	closure->modes += drm_cvt_modes(closure->connector, timing);
3157 }
3158 
3159 static int
3160 add_cvt_modes(struct drm_connector *connector, struct edid *edid)
3161 {
3162 	struct detailed_mode_closure closure = {
3163 		.connector = connector,
3164 		.edid = edid,
3165 	};
3166 
3167 	if (version_greater(edid, 1, 2))
3168 		drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure);
3169 
3170 	/* XXX should also look for CVT codes in VTB blocks */
3171 
3172 	return closure.modes;
3173 }
3174 
3175 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode);
3176 
3177 static void
3178 do_detailed_mode(struct detailed_timing *timing, void *c)
3179 {
3180 	struct detailed_mode_closure *closure = c;
3181 	struct drm_display_mode *newmode;
3182 
3183 	if (!is_detailed_timing_descriptor((const u8 *)timing))
3184 		return;
3185 
3186 	newmode = drm_mode_detailed(closure->connector->dev,
3187 				    closure->edid, timing,
3188 				    closure->quirks);
3189 	if (!newmode)
3190 		return;
3191 
3192 	if (closure->preferred)
3193 		newmode->type |= DRM_MODE_TYPE_PREFERRED;
3194 
3195 	/*
3196 	 * Detailed modes are limited to 10kHz pixel clock resolution,
3197 	 * so fix up anything that looks like CEA/HDMI mode, but the clock
3198 	 * is just slightly off.
3199 	 */
3200 	fixup_detailed_cea_mode_clock(newmode);
3201 
3202 	drm_mode_probed_add(closure->connector, newmode);
3203 	closure->modes++;
3204 	closure->preferred = false;
3205 }
3206 
3207 /*
3208  * add_detailed_modes - Add modes from detailed timings
3209  * @connector: attached connector
3210  * @edid: EDID block to scan
3211  * @quirks: quirks to apply
3212  */
3213 static int
3214 add_detailed_modes(struct drm_connector *connector, struct edid *edid,
3215 		   u32 quirks)
3216 {
3217 	struct detailed_mode_closure closure = {
3218 		.connector = connector,
3219 		.edid = edid,
3220 		.preferred = true,
3221 		.quirks = quirks,
3222 	};
3223 
3224 	if (closure.preferred && !version_greater(edid, 1, 3))
3225 		closure.preferred =
3226 		    (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
3227 
3228 	drm_for_each_detailed_block((u8 *)edid, do_detailed_mode, &closure);
3229 
3230 	return closure.modes;
3231 }
3232 
3233 #define AUDIO_BLOCK	0x01
3234 #define VIDEO_BLOCK     0x02
3235 #define VENDOR_BLOCK    0x03
3236 #define SPEAKER_BLOCK	0x04
3237 #define HDR_STATIC_METADATA_BLOCK	0x6
3238 #define USE_EXTENDED_TAG 0x07
3239 #define EXT_VIDEO_CAPABILITY_BLOCK 0x00
3240 #define EXT_VIDEO_DATA_BLOCK_420	0x0E
3241 #define EXT_VIDEO_CAP_BLOCK_Y420CMDB 0x0F
3242 #define EDID_BASIC_AUDIO	(1 << 6)
3243 #define EDID_CEA_YCRCB444	(1 << 5)
3244 #define EDID_CEA_YCRCB422	(1 << 4)
3245 #define EDID_CEA_VCDB_QS	(1 << 6)
3246 
3247 /*
3248  * Search EDID for CEA extension block.
3249  */
3250 static u8 *drm_find_edid_extension(const struct edid *edid,
3251 				   int ext_id, int *ext_index)
3252 {
3253 	u8 *edid_ext = NULL;
3254 	int i;
3255 
3256 	/* No EDID or EDID extensions */
3257 	if (edid == NULL || edid->extensions == 0)
3258 		return NULL;
3259 
3260 	/* Find CEA extension */
3261 	for (i = *ext_index; i < edid->extensions; i++) {
3262 		edid_ext = (u8 *)edid + EDID_LENGTH * (i + 1);
3263 		if (edid_ext[0] == ext_id)
3264 			break;
3265 	}
3266 
3267 	if (i >= edid->extensions)
3268 		return NULL;
3269 
3270 	*ext_index = i + 1;
3271 
3272 	return edid_ext;
3273 }
3274 
3275 
3276 static u8 *drm_find_displayid_extension(const struct edid *edid,
3277 					int *length, int *idx,
3278 					int *ext_index)
3279 {
3280 	u8 *displayid = drm_find_edid_extension(edid, DISPLAYID_EXT, ext_index);
3281 	struct displayid_hdr *base;
3282 	int ret;
3283 
3284 	if (!displayid)
3285 		return NULL;
3286 
3287 	/* EDID extensions block checksum isn't for us */
3288 	*length = EDID_LENGTH - 1;
3289 	*idx = 1;
3290 
3291 	ret = validate_displayid(displayid, *length, *idx);
3292 	if (ret)
3293 		return NULL;
3294 
3295 	base = (struct displayid_hdr *)&displayid[*idx];
3296 	*length = *idx + sizeof(*base) + base->bytes;
3297 
3298 	return displayid;
3299 }
3300 
3301 static u8 *drm_find_cea_extension(const struct edid *edid)
3302 {
3303 	int length, idx;
3304 	struct displayid_block *block;
3305 	u8 *cea;
3306 	u8 *displayid;
3307 	int ext_index;
3308 
3309 	/* Look for a top level CEA extension block */
3310 	/* FIXME: make callers iterate through multiple CEA ext blocks? */
3311 	ext_index = 0;
3312 	cea = drm_find_edid_extension(edid, CEA_EXT, &ext_index);
3313 	if (cea)
3314 		return cea;
3315 
3316 	/* CEA blocks can also be found embedded in a DisplayID block */
3317 	ext_index = 0;
3318 	for (;;) {
3319 		displayid = drm_find_displayid_extension(edid, &length, &idx,
3320 							 &ext_index);
3321 		if (!displayid)
3322 			return NULL;
3323 
3324 		idx += sizeof(struct displayid_hdr);
3325 		for_each_displayid_db(displayid, block, idx, length) {
3326 			if (block->tag == DATA_BLOCK_CTA)
3327 				return (u8 *)block;
3328 		}
3329 	}
3330 
3331 	return NULL;
3332 }
3333 
3334 static __always_inline const struct drm_display_mode *cea_mode_for_vic(u8 vic)
3335 {
3336 	BUILD_BUG_ON(1 + ARRAY_SIZE(edid_cea_modes_1) - 1 != 127);
3337 	BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 219);
3338 
3339 	if (vic >= 1 && vic < 1 + ARRAY_SIZE(edid_cea_modes_1))
3340 		return &edid_cea_modes_1[vic - 1];
3341 	if (vic >= 193 && vic < 193 + ARRAY_SIZE(edid_cea_modes_193))
3342 		return &edid_cea_modes_193[vic - 193];
3343 	return NULL;
3344 }
3345 
3346 static u8 cea_num_vics(void)
3347 {
3348 	return 193 + ARRAY_SIZE(edid_cea_modes_193);
3349 }
3350 
3351 static u8 cea_next_vic(u8 vic)
3352 {
3353 	if (++vic == 1 + ARRAY_SIZE(edid_cea_modes_1))
3354 		vic = 193;
3355 	return vic;
3356 }
3357 
3358 /*
3359  * Calculate the alternate clock for the CEA mode
3360  * (60Hz vs. 59.94Hz etc.)
3361  */
3362 static unsigned int
3363 cea_mode_alternate_clock(const struct drm_display_mode *cea_mode)
3364 {
3365 	unsigned int clock = cea_mode->clock;
3366 
3367 	if (drm_mode_vrefresh(cea_mode) % 6 != 0)
3368 		return clock;
3369 
3370 	/*
3371 	 * edid_cea_modes contains the 59.94Hz
3372 	 * variant for 240 and 480 line modes,
3373 	 * and the 60Hz variant otherwise.
3374 	 */
3375 	if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480)
3376 		clock = DIV_ROUND_CLOSEST(clock * 1001, 1000);
3377 	else
3378 		clock = DIV_ROUND_CLOSEST(clock * 1000, 1001);
3379 
3380 	return clock;
3381 }
3382 
3383 static bool
3384 cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode)
3385 {
3386 	/*
3387 	 * For certain VICs the spec allows the vertical
3388 	 * front porch to vary by one or two lines.
3389 	 *
3390 	 * cea_modes[] stores the variant with the shortest
3391 	 * vertical front porch. We can adjust the mode to
3392 	 * get the other variants by simply increasing the
3393 	 * vertical front porch length.
3394 	 */
3395 #ifdef notyet
3396 	BUILD_BUG_ON(cea_mode_for_vic(8)->vtotal != 262 ||
3397 		     cea_mode_for_vic(9)->vtotal != 262 ||
3398 		     cea_mode_for_vic(12)->vtotal != 262 ||
3399 		     cea_mode_for_vic(13)->vtotal != 262 ||
3400 		     cea_mode_for_vic(23)->vtotal != 312 ||
3401 		     cea_mode_for_vic(24)->vtotal != 312 ||
3402 		     cea_mode_for_vic(27)->vtotal != 312 ||
3403 		     cea_mode_for_vic(28)->vtotal != 312);
3404 #endif
3405 
3406 	if (((vic == 8 || vic == 9 ||
3407 	      vic == 12 || vic == 13) && mode->vtotal < 263) ||
3408 	    ((vic == 23 || vic == 24 ||
3409 	      vic == 27 || vic == 28) && mode->vtotal < 314)) {
3410 		mode->vsync_start++;
3411 		mode->vsync_end++;
3412 		mode->vtotal++;
3413 
3414 		return true;
3415 	}
3416 
3417 	return false;
3418 }
3419 
3420 static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match,
3421 					     unsigned int clock_tolerance)
3422 {
3423 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3424 	u8 vic;
3425 
3426 	if (!to_match->clock)
3427 		return 0;
3428 
3429 	if (to_match->picture_aspect_ratio)
3430 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3431 
3432 	for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3433 		struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3434 		unsigned int clock1, clock2;
3435 
3436 		/* Check both 60Hz and 59.94Hz */
3437 		clock1 = cea_mode.clock;
3438 		clock2 = cea_mode_alternate_clock(&cea_mode);
3439 
3440 		if (abs(to_match->clock - clock1) > clock_tolerance &&
3441 		    abs(to_match->clock - clock2) > clock_tolerance)
3442 			continue;
3443 
3444 		do {
3445 			if (drm_mode_match(to_match, &cea_mode, match_flags))
3446 				return vic;
3447 		} while (cea_mode_alternate_timings(vic, &cea_mode));
3448 	}
3449 
3450 	return 0;
3451 }
3452 
3453 /**
3454  * drm_match_cea_mode - look for a CEA mode matching given mode
3455  * @to_match: display mode
3456  *
3457  * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
3458  * mode.
3459  */
3460 u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
3461 {
3462 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3463 	u8 vic;
3464 
3465 	if (!to_match->clock)
3466 		return 0;
3467 
3468 	if (to_match->picture_aspect_ratio)
3469 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3470 
3471 	for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3472 		struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3473 		unsigned int clock1, clock2;
3474 
3475 		/* Check both 60Hz and 59.94Hz */
3476 		clock1 = cea_mode.clock;
3477 		clock2 = cea_mode_alternate_clock(&cea_mode);
3478 
3479 		if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) &&
3480 		    KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2))
3481 			continue;
3482 
3483 		do {
3484 			if (drm_mode_match(to_match, &cea_mode, match_flags))
3485 				return vic;
3486 		} while (cea_mode_alternate_timings(vic, &cea_mode));
3487 	}
3488 
3489 	return 0;
3490 }
3491 EXPORT_SYMBOL(drm_match_cea_mode);
3492 
3493 static bool drm_valid_cea_vic(u8 vic)
3494 {
3495 	return cea_mode_for_vic(vic) != NULL;
3496 }
3497 
3498 static enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code)
3499 {
3500 	const struct drm_display_mode *mode = cea_mode_for_vic(video_code);
3501 
3502 	if (mode)
3503 		return mode->picture_aspect_ratio;
3504 
3505 	return HDMI_PICTURE_ASPECT_NONE;
3506 }
3507 
3508 static enum hdmi_picture_aspect drm_get_hdmi_aspect_ratio(const u8 video_code)
3509 {
3510 	return edid_4k_modes[video_code].picture_aspect_ratio;
3511 }
3512 
3513 /*
3514  * Calculate the alternate clock for HDMI modes (those from the HDMI vendor
3515  * specific block).
3516  */
3517 static unsigned int
3518 hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode)
3519 {
3520 	return cea_mode_alternate_clock(hdmi_mode);
3521 }
3522 
3523 static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match,
3524 					      unsigned int clock_tolerance)
3525 {
3526 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3527 	u8 vic;
3528 
3529 	if (!to_match->clock)
3530 		return 0;
3531 
3532 	if (to_match->picture_aspect_ratio)
3533 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3534 
3535 	for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3536 		const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3537 		unsigned int clock1, clock2;
3538 
3539 		/* Make sure to also match alternate clocks */
3540 		clock1 = hdmi_mode->clock;
3541 		clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3542 
3543 		if (abs(to_match->clock - clock1) > clock_tolerance &&
3544 		    abs(to_match->clock - clock2) > clock_tolerance)
3545 			continue;
3546 
3547 		if (drm_mode_match(to_match, hdmi_mode, match_flags))
3548 			return vic;
3549 	}
3550 
3551 	return 0;
3552 }
3553 
3554 /*
3555  * drm_match_hdmi_mode - look for a HDMI mode matching given mode
3556  * @to_match: display mode
3557  *
3558  * An HDMI mode is one defined in the HDMI vendor specific block.
3559  *
3560  * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one.
3561  */
3562 static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match)
3563 {
3564 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3565 	u8 vic;
3566 
3567 	if (!to_match->clock)
3568 		return 0;
3569 
3570 	if (to_match->picture_aspect_ratio)
3571 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3572 
3573 	for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3574 		const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3575 		unsigned int clock1, clock2;
3576 
3577 		/* Make sure to also match alternate clocks */
3578 		clock1 = hdmi_mode->clock;
3579 		clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3580 
3581 		if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||
3582 		     KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&
3583 		    drm_mode_match(to_match, hdmi_mode, match_flags))
3584 			return vic;
3585 	}
3586 	return 0;
3587 }
3588 
3589 static bool drm_valid_hdmi_vic(u8 vic)
3590 {
3591 	return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes);
3592 }
3593 
3594 static int
3595 add_alternate_cea_modes(struct drm_connector *connector, struct edid *edid)
3596 {
3597 	struct drm_device *dev = connector->dev;
3598 	struct drm_display_mode *mode, *tmp;
3599 	DRM_LIST_HEAD(list);
3600 	int modes = 0;
3601 
3602 	/* Don't add CEA modes if the CEA extension block is missing */
3603 	if (!drm_find_cea_extension(edid))
3604 		return 0;
3605 
3606 	/*
3607 	 * Go through all probed modes and create a new mode
3608 	 * with the alternate clock for certain CEA modes.
3609 	 */
3610 	list_for_each_entry(mode, &connector->probed_modes, head) {
3611 		const struct drm_display_mode *cea_mode = NULL;
3612 		struct drm_display_mode *newmode;
3613 		u8 vic = drm_match_cea_mode(mode);
3614 		unsigned int clock1, clock2;
3615 
3616 		if (drm_valid_cea_vic(vic)) {
3617 			cea_mode = cea_mode_for_vic(vic);
3618 			clock2 = cea_mode_alternate_clock(cea_mode);
3619 		} else {
3620 			vic = drm_match_hdmi_mode(mode);
3621 			if (drm_valid_hdmi_vic(vic)) {
3622 				cea_mode = &edid_4k_modes[vic];
3623 				clock2 = hdmi_mode_alternate_clock(cea_mode);
3624 			}
3625 		}
3626 
3627 		if (!cea_mode)
3628 			continue;
3629 
3630 		clock1 = cea_mode->clock;
3631 
3632 		if (clock1 == clock2)
3633 			continue;
3634 
3635 		if (mode->clock != clock1 && mode->clock != clock2)
3636 			continue;
3637 
3638 		newmode = drm_mode_duplicate(dev, cea_mode);
3639 		if (!newmode)
3640 			continue;
3641 
3642 		/* Carry over the stereo flags */
3643 		newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK;
3644 
3645 		/*
3646 		 * The current mode could be either variant. Make
3647 		 * sure to pick the "other" clock for the new mode.
3648 		 */
3649 		if (mode->clock != clock1)
3650 			newmode->clock = clock1;
3651 		else
3652 			newmode->clock = clock2;
3653 
3654 		list_add_tail(&newmode->head, &list);
3655 	}
3656 
3657 	list_for_each_entry_safe(mode, tmp, &list, head) {
3658 		list_del(&mode->head);
3659 		drm_mode_probed_add(connector, mode);
3660 		modes++;
3661 	}
3662 
3663 	return modes;
3664 }
3665 
3666 static u8 svd_to_vic(u8 svd)
3667 {
3668 	/* 0-6 bit vic, 7th bit native mode indicator */
3669 	if ((svd >= 1 &&  svd <= 64) || (svd >= 129 && svd <= 192))
3670 		return svd & 127;
3671 
3672 	return svd;
3673 }
3674 
3675 static struct drm_display_mode *
3676 drm_display_mode_from_vic_index(struct drm_connector *connector,
3677 				const u8 *video_db, u8 video_len,
3678 				u8 video_index)
3679 {
3680 	struct drm_device *dev = connector->dev;
3681 	struct drm_display_mode *newmode;
3682 	u8 vic;
3683 
3684 	if (video_db == NULL || video_index >= video_len)
3685 		return NULL;
3686 
3687 	/* CEA modes are numbered 1..127 */
3688 	vic = svd_to_vic(video_db[video_index]);
3689 	if (!drm_valid_cea_vic(vic))
3690 		return NULL;
3691 
3692 	newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3693 	if (!newmode)
3694 		return NULL;
3695 
3696 	return newmode;
3697 }
3698 
3699 /*
3700  * do_y420vdb_modes - Parse YCBCR 420 only modes
3701  * @connector: connector corresponding to the HDMI sink
3702  * @svds: start of the data block of CEA YCBCR 420 VDB
3703  * @len: length of the CEA YCBCR 420 VDB
3704  *
3705  * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB)
3706  * which contains modes which can be supported in YCBCR 420
3707  * output format only.
3708  */
3709 static int do_y420vdb_modes(struct drm_connector *connector,
3710 			    const u8 *svds, u8 svds_len)
3711 {
3712 	int modes = 0, i;
3713 	struct drm_device *dev = connector->dev;
3714 	struct drm_display_info *info = &connector->display_info;
3715 	struct drm_hdmi_info *hdmi = &info->hdmi;
3716 
3717 	for (i = 0; i < svds_len; i++) {
3718 		u8 vic = svd_to_vic(svds[i]);
3719 		struct drm_display_mode *newmode;
3720 
3721 		if (!drm_valid_cea_vic(vic))
3722 			continue;
3723 
3724 		newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3725 		if (!newmode)
3726 			break;
3727 		bitmap_set(hdmi->y420_vdb_modes, vic, 1);
3728 		drm_mode_probed_add(connector, newmode);
3729 		modes++;
3730 	}
3731 
3732 	if (modes > 0)
3733 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
3734 	return modes;
3735 }
3736 
3737 /*
3738  * drm_add_cmdb_modes - Add a YCBCR 420 mode into bitmap
3739  * @connector: connector corresponding to the HDMI sink
3740  * @vic: CEA vic for the video mode to be added in the map
3741  *
3742  * Makes an entry for a videomode in the YCBCR 420 bitmap
3743  */
3744 static void
3745 drm_add_cmdb_modes(struct drm_connector *connector, u8 svd)
3746 {
3747 	u8 vic = svd_to_vic(svd);
3748 	struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3749 
3750 	if (!drm_valid_cea_vic(vic))
3751 		return;
3752 
3753 	bitmap_set(hdmi->y420_cmdb_modes, vic, 1);
3754 }
3755 
3756 /**
3757  * drm_display_mode_from_cea_vic() - return a mode for CEA VIC
3758  * @dev: DRM device
3759  * @video_code: CEA VIC of the mode
3760  *
3761  * Creates a new mode matching the specified CEA VIC.
3762  *
3763  * Returns: A new drm_display_mode on success or NULL on failure
3764  */
3765 struct drm_display_mode *
3766 drm_display_mode_from_cea_vic(struct drm_device *dev,
3767 			      u8 video_code)
3768 {
3769 	const struct drm_display_mode *cea_mode;
3770 	struct drm_display_mode *newmode;
3771 
3772 	cea_mode = cea_mode_for_vic(video_code);
3773 	if (!cea_mode)
3774 		return NULL;
3775 
3776 	newmode = drm_mode_duplicate(dev, cea_mode);
3777 	if (!newmode)
3778 		return NULL;
3779 
3780 	return newmode;
3781 }
3782 EXPORT_SYMBOL(drm_display_mode_from_cea_vic);
3783 
3784 static int
3785 do_cea_modes(struct drm_connector *connector, const u8 *db, u8 len)
3786 {
3787 	int i, modes = 0;
3788 	struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3789 
3790 	for (i = 0; i < len; i++) {
3791 		struct drm_display_mode *mode;
3792 
3793 		mode = drm_display_mode_from_vic_index(connector, db, len, i);
3794 		if (mode) {
3795 			/*
3796 			 * YCBCR420 capability block contains a bitmap which
3797 			 * gives the index of CEA modes from CEA VDB, which
3798 			 * can support YCBCR 420 sampling output also (apart
3799 			 * from RGB/YCBCR444 etc).
3800 			 * For example, if the bit 0 in bitmap is set,
3801 			 * first mode in VDB can support YCBCR420 output too.
3802 			 * Add YCBCR420 modes only if sink is HDMI 2.0 capable.
3803 			 */
3804 			if (i < 64 && hdmi->y420_cmdb_map & (1ULL << i))
3805 				drm_add_cmdb_modes(connector, db[i]);
3806 
3807 			drm_mode_probed_add(connector, mode);
3808 			modes++;
3809 		}
3810 	}
3811 
3812 	return modes;
3813 }
3814 
3815 struct stereo_mandatory_mode {
3816 	int width, height, vrefresh;
3817 	unsigned int flags;
3818 };
3819 
3820 static const struct stereo_mandatory_mode stereo_mandatory_modes[] = {
3821 	{ 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3822 	{ 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING },
3823 	{ 1920, 1080, 50,
3824 	  DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3825 	{ 1920, 1080, 60,
3826 	  DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3827 	{ 1280, 720,  50, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3828 	{ 1280, 720,  50, DRM_MODE_FLAG_3D_FRAME_PACKING },
3829 	{ 1280, 720,  60, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3830 	{ 1280, 720,  60, DRM_MODE_FLAG_3D_FRAME_PACKING }
3831 };
3832 
3833 static bool
3834 stereo_match_mandatory(const struct drm_display_mode *mode,
3835 		       const struct stereo_mandatory_mode *stereo_mode)
3836 {
3837 	unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;
3838 
3839 	return mode->hdisplay == stereo_mode->width &&
3840 	       mode->vdisplay == stereo_mode->height &&
3841 	       interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) &&
3842 	       drm_mode_vrefresh(mode) == stereo_mode->vrefresh;
3843 }
3844 
3845 static int add_hdmi_mandatory_stereo_modes(struct drm_connector *connector)
3846 {
3847 	struct drm_device *dev = connector->dev;
3848 	const struct drm_display_mode *mode;
3849 	struct list_head stereo_modes;
3850 	int modes = 0, i;
3851 
3852 	INIT_LIST_HEAD(&stereo_modes);
3853 
3854 	list_for_each_entry(mode, &connector->probed_modes, head) {
3855 		for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) {
3856 			const struct stereo_mandatory_mode *mandatory;
3857 			struct drm_display_mode *new_mode;
3858 
3859 			if (!stereo_match_mandatory(mode,
3860 						    &stereo_mandatory_modes[i]))
3861 				continue;
3862 
3863 			mandatory = &stereo_mandatory_modes[i];
3864 			new_mode = drm_mode_duplicate(dev, mode);
3865 			if (!new_mode)
3866 				continue;
3867 
3868 			new_mode->flags |= mandatory->flags;
3869 			list_add_tail(&new_mode->head, &stereo_modes);
3870 			modes++;
3871 		}
3872 	}
3873 
3874 	list_splice_tail(&stereo_modes, &connector->probed_modes);
3875 
3876 	return modes;
3877 }
3878 
3879 static int add_hdmi_mode(struct drm_connector *connector, u8 vic)
3880 {
3881 	struct drm_device *dev = connector->dev;
3882 	struct drm_display_mode *newmode;
3883 
3884 	if (!drm_valid_hdmi_vic(vic)) {
3885 		DRM_ERROR("Unknown HDMI VIC: %d\n", vic);
3886 		return 0;
3887 	}
3888 
3889 	newmode = drm_mode_duplicate(dev, &edid_4k_modes[vic]);
3890 	if (!newmode)
3891 		return 0;
3892 
3893 	drm_mode_probed_add(connector, newmode);
3894 
3895 	return 1;
3896 }
3897 
3898 static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
3899 			       const u8 *video_db, u8 video_len, u8 video_index)
3900 {
3901 	struct drm_display_mode *newmode;
3902 	int modes = 0;
3903 
3904 	if (structure & (1 << 0)) {
3905 		newmode = drm_display_mode_from_vic_index(connector, video_db,
3906 							  video_len,
3907 							  video_index);
3908 		if (newmode) {
3909 			newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING;
3910 			drm_mode_probed_add(connector, newmode);
3911 			modes++;
3912 		}
3913 	}
3914 	if (structure & (1 << 6)) {
3915 		newmode = drm_display_mode_from_vic_index(connector, video_db,
3916 							  video_len,
3917 							  video_index);
3918 		if (newmode) {
3919 			newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
3920 			drm_mode_probed_add(connector, newmode);
3921 			modes++;
3922 		}
3923 	}
3924 	if (structure & (1 << 8)) {
3925 		newmode = drm_display_mode_from_vic_index(connector, video_db,
3926 							  video_len,
3927 							  video_index);
3928 		if (newmode) {
3929 			newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3930 			drm_mode_probed_add(connector, newmode);
3931 			modes++;
3932 		}
3933 	}
3934 
3935 	return modes;
3936 }
3937 
3938 /*
3939  * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block
3940  * @connector: connector corresponding to the HDMI sink
3941  * @db: start of the CEA vendor specific block
3942  * @len: length of the CEA block payload, ie. one can access up to db[len]
3943  *
3944  * Parses the HDMI VSDB looking for modes to add to @connector. This function
3945  * also adds the stereo 3d modes when applicable.
3946  */
3947 static int
3948 do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len,
3949 		   const u8 *video_db, u8 video_len)
3950 {
3951 	struct drm_display_info *info = &connector->display_info;
3952 	int modes = 0, offset = 0, i, multi_present = 0, multi_len;
3953 	u8 vic_len, hdmi_3d_len = 0;
3954 	u16 mask;
3955 	u16 structure_all;
3956 
3957 	if (len < 8)
3958 		goto out;
3959 
3960 	/* no HDMI_Video_Present */
3961 	if (!(db[8] & (1 << 5)))
3962 		goto out;
3963 
3964 	/* Latency_Fields_Present */
3965 	if (db[8] & (1 << 7))
3966 		offset += 2;
3967 
3968 	/* I_Latency_Fields_Present */
3969 	if (db[8] & (1 << 6))
3970 		offset += 2;
3971 
3972 	/* the declared length is not long enough for the 2 first bytes
3973 	 * of additional video format capabilities */
3974 	if (len < (8 + offset + 2))
3975 		goto out;
3976 
3977 	/* 3D_Present */
3978 	offset++;
3979 	if (db[8 + offset] & (1 << 7)) {
3980 		modes += add_hdmi_mandatory_stereo_modes(connector);
3981 
3982 		/* 3D_Multi_present */
3983 		multi_present = (db[8 + offset] & 0x60) >> 5;
3984 	}
3985 
3986 	offset++;
3987 	vic_len = db[8 + offset] >> 5;
3988 	hdmi_3d_len = db[8 + offset] & 0x1f;
3989 
3990 	for (i = 0; i < vic_len && len >= (9 + offset + i); i++) {
3991 		u8 vic;
3992 
3993 		vic = db[9 + offset + i];
3994 		modes += add_hdmi_mode(connector, vic);
3995 	}
3996 	offset += 1 + vic_len;
3997 
3998 	if (multi_present == 1)
3999 		multi_len = 2;
4000 	else if (multi_present == 2)
4001 		multi_len = 4;
4002 	else
4003 		multi_len = 0;
4004 
4005 	if (len < (8 + offset + hdmi_3d_len - 1))
4006 		goto out;
4007 
4008 	if (hdmi_3d_len < multi_len)
4009 		goto out;
4010 
4011 	if (multi_present == 1 || multi_present == 2) {
4012 		/* 3D_Structure_ALL */
4013 		structure_all = (db[8 + offset] << 8) | db[9 + offset];
4014 
4015 		/* check if 3D_MASK is present */
4016 		if (multi_present == 2)
4017 			mask = (db[10 + offset] << 8) | db[11 + offset];
4018 		else
4019 			mask = 0xffff;
4020 
4021 		for (i = 0; i < 16; i++) {
4022 			if (mask & (1 << i))
4023 				modes += add_3d_struct_modes(connector,
4024 						structure_all,
4025 						video_db,
4026 						video_len, i);
4027 		}
4028 	}
4029 
4030 	offset += multi_len;
4031 
4032 	for (i = 0; i < (hdmi_3d_len - multi_len); i++) {
4033 		int vic_index;
4034 		struct drm_display_mode *newmode = NULL;
4035 		unsigned int newflag = 0;
4036 		bool detail_present;
4037 
4038 		detail_present = ((db[8 + offset + i] & 0x0f) > 7);
4039 
4040 		if (detail_present && (i + 1 == hdmi_3d_len - multi_len))
4041 			break;
4042 
4043 		/* 2D_VIC_order_X */
4044 		vic_index = db[8 + offset + i] >> 4;
4045 
4046 		/* 3D_Structure_X */
4047 		switch (db[8 + offset + i] & 0x0f) {
4048 		case 0:
4049 			newflag = DRM_MODE_FLAG_3D_FRAME_PACKING;
4050 			break;
4051 		case 6:
4052 			newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
4053 			break;
4054 		case 8:
4055 			/* 3D_Detail_X */
4056 			if ((db[9 + offset + i] >> 4) == 1)
4057 				newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
4058 			break;
4059 		}
4060 
4061 		if (newflag != 0) {
4062 			newmode = drm_display_mode_from_vic_index(connector,
4063 								  video_db,
4064 								  video_len,
4065 								  vic_index);
4066 
4067 			if (newmode) {
4068 				newmode->flags |= newflag;
4069 				drm_mode_probed_add(connector, newmode);
4070 				modes++;
4071 			}
4072 		}
4073 
4074 		if (detail_present)
4075 			i++;
4076 	}
4077 
4078 out:
4079 	if (modes > 0)
4080 		info->has_hdmi_infoframe = true;
4081 	return modes;
4082 }
4083 
4084 static int
4085 cea_db_payload_len(const u8 *db)
4086 {
4087 	return db[0] & 0x1f;
4088 }
4089 
4090 static int
4091 cea_db_extended_tag(const u8 *db)
4092 {
4093 	return db[1];
4094 }
4095 
4096 static int
4097 cea_db_tag(const u8 *db)
4098 {
4099 	return db[0] >> 5;
4100 }
4101 
4102 static int
4103 cea_revision(const u8 *cea)
4104 {
4105 	/*
4106 	 * FIXME is this correct for the DispID variant?
4107 	 * The DispID spec doesn't really specify whether
4108 	 * this is the revision of the CEA extension or
4109 	 * the DispID CEA data block. And the only value
4110 	 * given as an example is 0.
4111 	 */
4112 	return cea[1];
4113 }
4114 
4115 static int
4116 cea_db_offsets(const u8 *cea, int *start, int *end)
4117 {
4118 	/* DisplayID CTA extension blocks and top-level CEA EDID
4119 	 * block header definitions differ in the following bytes:
4120 	 *   1) Byte 2 of the header specifies length differently,
4121 	 *   2) Byte 3 is only present in the CEA top level block.
4122 	 *
4123 	 * The different definitions for byte 2 follow.
4124 	 *
4125 	 * DisplayID CTA extension block defines byte 2 as:
4126 	 *   Number of payload bytes
4127 	 *
4128 	 * CEA EDID block defines byte 2 as:
4129 	 *   Byte number (decimal) within this block where the 18-byte
4130 	 *   DTDs begin. If no non-DTD data is present in this extension
4131 	 *   block, the value should be set to 04h (the byte after next).
4132 	 *   If set to 00h, there are no DTDs present in this block and
4133 	 *   no non-DTD data.
4134 	 */
4135 	if (cea[0] == DATA_BLOCK_CTA) {
4136 		/*
4137 		 * for_each_displayid_db() has already verified
4138 		 * that these stay within expected bounds.
4139 		 */
4140 		*start = 3;
4141 		*end = *start + cea[2];
4142 	} else if (cea[0] == CEA_EXT) {
4143 		/* Data block offset in CEA extension block */
4144 		*start = 4;
4145 		*end = cea[2];
4146 		if (*end == 0)
4147 			*end = 127;
4148 		if (*end < 4 || *end > 127)
4149 			return -ERANGE;
4150 	} else {
4151 		return -EOPNOTSUPP;
4152 	}
4153 
4154 	return 0;
4155 }
4156 
4157 static bool cea_db_is_hdmi_vsdb(const u8 *db)
4158 {
4159 	int hdmi_id;
4160 
4161 	if (cea_db_tag(db) != VENDOR_BLOCK)
4162 		return false;
4163 
4164 	if (cea_db_payload_len(db) < 5)
4165 		return false;
4166 
4167 	hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16);
4168 
4169 	return hdmi_id == HDMI_IEEE_OUI;
4170 }
4171 
4172 static bool cea_db_is_hdmi_forum_vsdb(const u8 *db)
4173 {
4174 	unsigned int oui;
4175 
4176 	if (cea_db_tag(db) != VENDOR_BLOCK)
4177 		return false;
4178 
4179 	if (cea_db_payload_len(db) < 7)
4180 		return false;
4181 
4182 	oui = db[3] << 16 | db[2] << 8 | db[1];
4183 
4184 	return oui == HDMI_FORUM_IEEE_OUI;
4185 }
4186 
4187 static bool cea_db_is_vcdb(const u8 *db)
4188 {
4189 	if (cea_db_tag(db) != USE_EXTENDED_TAG)
4190 		return false;
4191 
4192 	if (cea_db_payload_len(db) != 2)
4193 		return false;
4194 
4195 	if (cea_db_extended_tag(db) != EXT_VIDEO_CAPABILITY_BLOCK)
4196 		return false;
4197 
4198 	return true;
4199 }
4200 
4201 static bool cea_db_is_y420cmdb(const u8 *db)
4202 {
4203 	if (cea_db_tag(db) != USE_EXTENDED_TAG)
4204 		return false;
4205 
4206 	if (!cea_db_payload_len(db))
4207 		return false;
4208 
4209 	if (cea_db_extended_tag(db) != EXT_VIDEO_CAP_BLOCK_Y420CMDB)
4210 		return false;
4211 
4212 	return true;
4213 }
4214 
4215 static bool cea_db_is_y420vdb(const u8 *db)
4216 {
4217 	if (cea_db_tag(db) != USE_EXTENDED_TAG)
4218 		return false;
4219 
4220 	if (!cea_db_payload_len(db))
4221 		return false;
4222 
4223 	if (cea_db_extended_tag(db) != EXT_VIDEO_DATA_BLOCK_420)
4224 		return false;
4225 
4226 	return true;
4227 }
4228 
4229 #define for_each_cea_db(cea, i, start, end) \
4230 	for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1)
4231 
4232 static void drm_parse_y420cmdb_bitmap(struct drm_connector *connector,
4233 				      const u8 *db)
4234 {
4235 	struct drm_display_info *info = &connector->display_info;
4236 	struct drm_hdmi_info *hdmi = &info->hdmi;
4237 	u8 map_len = cea_db_payload_len(db) - 1;
4238 	u8 count;
4239 	u64 map = 0;
4240 
4241 	if (map_len == 0) {
4242 		/* All CEA modes support ycbcr420 sampling also.*/
4243 		hdmi->y420_cmdb_map = U64_MAX;
4244 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4245 		return;
4246 	}
4247 
4248 	/*
4249 	 * This map indicates which of the existing CEA block modes
4250 	 * from VDB can support YCBCR420 output too. So if bit=0 is
4251 	 * set, first mode from VDB can support YCBCR420 output too.
4252 	 * We will parse and keep this map, before parsing VDB itself
4253 	 * to avoid going through the same block again and again.
4254 	 *
4255 	 * Spec is not clear about max possible size of this block.
4256 	 * Clamping max bitmap block size at 8 bytes. Every byte can
4257 	 * address 8 CEA modes, in this way this map can address
4258 	 * 8*8 = first 64 SVDs.
4259 	 */
4260 	if (WARN_ON_ONCE(map_len > 8))
4261 		map_len = 8;
4262 
4263 	for (count = 0; count < map_len; count++)
4264 		map |= (u64)db[2 + count] << (8 * count);
4265 
4266 	if (map)
4267 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4268 
4269 	hdmi->y420_cmdb_map = map;
4270 }
4271 
4272 static int
4273 add_cea_modes(struct drm_connector *connector, struct edid *edid)
4274 {
4275 	const u8 *cea = drm_find_cea_extension(edid);
4276 	const u8 *db, *hdmi = NULL, *video = NULL;
4277 	u8 dbl, hdmi_len, video_len = 0;
4278 	int modes = 0;
4279 
4280 	if (cea && cea_revision(cea) >= 3) {
4281 		int i, start, end;
4282 
4283 		if (cea_db_offsets(cea, &start, &end))
4284 			return 0;
4285 
4286 		for_each_cea_db(cea, i, start, end) {
4287 			db = &cea[i];
4288 			dbl = cea_db_payload_len(db);
4289 
4290 			if (cea_db_tag(db) == VIDEO_BLOCK) {
4291 				video = db + 1;
4292 				video_len = dbl;
4293 				modes += do_cea_modes(connector, video, dbl);
4294 			} else if (cea_db_is_hdmi_vsdb(db)) {
4295 				hdmi = db;
4296 				hdmi_len = dbl;
4297 			} else if (cea_db_is_y420vdb(db)) {
4298 				const u8 *vdb420 = &db[2];
4299 
4300 				/* Add 4:2:0(only) modes present in EDID */
4301 				modes += do_y420vdb_modes(connector,
4302 							  vdb420,
4303 							  dbl - 1);
4304 			}
4305 		}
4306 	}
4307 
4308 	/*
4309 	 * We parse the HDMI VSDB after having added the cea modes as we will
4310 	 * be patching their flags when the sink supports stereo 3D.
4311 	 */
4312 	if (hdmi)
4313 		modes += do_hdmi_vsdb_modes(connector, hdmi, hdmi_len, video,
4314 					    video_len);
4315 
4316 	return modes;
4317 }
4318 
4319 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode)
4320 {
4321 	const struct drm_display_mode *cea_mode;
4322 	int clock1, clock2, clock;
4323 	u8 vic;
4324 	const char *type;
4325 
4326 	/*
4327 	 * allow 5kHz clock difference either way to account for
4328 	 * the 10kHz clock resolution limit of detailed timings.
4329 	 */
4330 	vic = drm_match_cea_mode_clock_tolerance(mode, 5);
4331 	if (drm_valid_cea_vic(vic)) {
4332 		type = "CEA";
4333 		cea_mode = cea_mode_for_vic(vic);
4334 		clock1 = cea_mode->clock;
4335 		clock2 = cea_mode_alternate_clock(cea_mode);
4336 	} else {
4337 		vic = drm_match_hdmi_mode_clock_tolerance(mode, 5);
4338 		if (drm_valid_hdmi_vic(vic)) {
4339 			type = "HDMI";
4340 			cea_mode = &edid_4k_modes[vic];
4341 			clock1 = cea_mode->clock;
4342 			clock2 = hdmi_mode_alternate_clock(cea_mode);
4343 		} else {
4344 			return;
4345 		}
4346 	}
4347 
4348 	/* pick whichever is closest */
4349 	if (abs(mode->clock - clock1) < abs(mode->clock - clock2))
4350 		clock = clock1;
4351 	else
4352 		clock = clock2;
4353 
4354 	if (mode->clock == clock)
4355 		return;
4356 
4357 	DRM_DEBUG("detailed mode matches %s VIC %d, adjusting clock %d -> %d\n",
4358 		  type, vic, mode->clock, clock);
4359 	mode->clock = clock;
4360 }
4361 
4362 static bool cea_db_is_hdmi_hdr_metadata_block(const u8 *db)
4363 {
4364 	if (cea_db_tag(db) != USE_EXTENDED_TAG)
4365 		return false;
4366 
4367 	if (db[1] != HDR_STATIC_METADATA_BLOCK)
4368 		return false;
4369 
4370 	if (cea_db_payload_len(db) < 3)
4371 		return false;
4372 
4373 	return true;
4374 }
4375 
4376 static uint8_t eotf_supported(const u8 *edid_ext)
4377 {
4378 	return edid_ext[2] &
4379 		(BIT(HDMI_EOTF_TRADITIONAL_GAMMA_SDR) |
4380 		 BIT(HDMI_EOTF_TRADITIONAL_GAMMA_HDR) |
4381 		 BIT(HDMI_EOTF_SMPTE_ST2084) |
4382 		 BIT(HDMI_EOTF_BT_2100_HLG));
4383 }
4384 
4385 static uint8_t hdr_metadata_type(const u8 *edid_ext)
4386 {
4387 	return edid_ext[3] &
4388 		BIT(HDMI_STATIC_METADATA_TYPE1);
4389 }
4390 
4391 static void
4392 drm_parse_hdr_metadata_block(struct drm_connector *connector, const u8 *db)
4393 {
4394 	u16 len;
4395 
4396 	len = cea_db_payload_len(db);
4397 
4398 	connector->hdr_sink_metadata.hdmi_type1.eotf =
4399 						eotf_supported(db);
4400 	connector->hdr_sink_metadata.hdmi_type1.metadata_type =
4401 						hdr_metadata_type(db);
4402 
4403 	if (len >= 4)
4404 		connector->hdr_sink_metadata.hdmi_type1.max_cll = db[4];
4405 	if (len >= 5)
4406 		connector->hdr_sink_metadata.hdmi_type1.max_fall = db[5];
4407 	if (len >= 6)
4408 		connector->hdr_sink_metadata.hdmi_type1.min_cll = db[6];
4409 }
4410 
4411 static void
4412 drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db)
4413 {
4414 	u8 len = cea_db_payload_len(db);
4415 
4416 	if (len >= 6 && (db[6] & (1 << 7)))
4417 		connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI;
4418 	if (len >= 8) {
4419 		connector->latency_present[0] = db[8] >> 7;
4420 		connector->latency_present[1] = (db[8] >> 6) & 1;
4421 	}
4422 	if (len >= 9)
4423 		connector->video_latency[0] = db[9];
4424 	if (len >= 10)
4425 		connector->audio_latency[0] = db[10];
4426 	if (len >= 11)
4427 		connector->video_latency[1] = db[11];
4428 	if (len >= 12)
4429 		connector->audio_latency[1] = db[12];
4430 
4431 	DRM_DEBUG_KMS("HDMI: latency present %d %d, "
4432 		      "video latency %d %d, "
4433 		      "audio latency %d %d\n",
4434 		      connector->latency_present[0],
4435 		      connector->latency_present[1],
4436 		      connector->video_latency[0],
4437 		      connector->video_latency[1],
4438 		      connector->audio_latency[0],
4439 		      connector->audio_latency[1]);
4440 }
4441 
4442 static void
4443 monitor_name(struct detailed_timing *t, void *data)
4444 {
4445 	if (!is_display_descriptor((const u8 *)t, EDID_DETAIL_MONITOR_NAME))
4446 		return;
4447 
4448 	*(u8 **)data = t->data.other_data.data.str.str;
4449 }
4450 
4451 static int get_monitor_name(struct edid *edid, char name[13])
4452 {
4453 	char *edid_name = NULL;
4454 	int mnl;
4455 
4456 	if (!edid || !name)
4457 		return 0;
4458 
4459 	drm_for_each_detailed_block((u8 *)edid, monitor_name, &edid_name);
4460 	for (mnl = 0; edid_name && mnl < 13; mnl++) {
4461 		if (edid_name[mnl] == 0x0a)
4462 			break;
4463 
4464 		name[mnl] = edid_name[mnl];
4465 	}
4466 
4467 	return mnl;
4468 }
4469 
4470 /**
4471  * drm_edid_get_monitor_name - fetch the monitor name from the edid
4472  * @edid: monitor EDID information
4473  * @name: pointer to a character array to hold the name of the monitor
4474  * @bufsize: The size of the name buffer (should be at least 14 chars.)
4475  *
4476  */
4477 void drm_edid_get_monitor_name(struct edid *edid, char *name, int bufsize)
4478 {
4479 	int name_length;
4480 	char buf[13];
4481 
4482 	if (bufsize <= 0)
4483 		return;
4484 
4485 	name_length = min(get_monitor_name(edid, buf), bufsize - 1);
4486 	memcpy(name, buf, name_length);
4487 	name[name_length] = '\0';
4488 }
4489 EXPORT_SYMBOL(drm_edid_get_monitor_name);
4490 
4491 static void clear_eld(struct drm_connector *connector)
4492 {
4493 	memset(connector->eld, 0, sizeof(connector->eld));
4494 
4495 	connector->latency_present[0] = false;
4496 	connector->latency_present[1] = false;
4497 	connector->video_latency[0] = 0;
4498 	connector->audio_latency[0] = 0;
4499 	connector->video_latency[1] = 0;
4500 	connector->audio_latency[1] = 0;
4501 }
4502 
4503 /*
4504  * drm_edid_to_eld - build ELD from EDID
4505  * @connector: connector corresponding to the HDMI/DP sink
4506  * @edid: EDID to parse
4507  *
4508  * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
4509  * HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
4510  */
4511 static void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
4512 {
4513 	uint8_t *eld = connector->eld;
4514 	u8 *cea;
4515 	u8 *db;
4516 	int total_sad_count = 0;
4517 	int mnl;
4518 	int dbl;
4519 
4520 	clear_eld(connector);
4521 
4522 	if (!edid)
4523 		return;
4524 
4525 	cea = drm_find_cea_extension(edid);
4526 	if (!cea) {
4527 		DRM_DEBUG_KMS("ELD: no CEA Extension found\n");
4528 		return;
4529 	}
4530 
4531 	mnl = get_monitor_name(edid, &eld[DRM_ELD_MONITOR_NAME_STRING]);
4532 	DRM_DEBUG_KMS("ELD monitor %s\n", &eld[DRM_ELD_MONITOR_NAME_STRING]);
4533 
4534 	eld[DRM_ELD_CEA_EDID_VER_MNL] = cea[1] << DRM_ELD_CEA_EDID_VER_SHIFT;
4535 	eld[DRM_ELD_CEA_EDID_VER_MNL] |= mnl;
4536 
4537 	eld[DRM_ELD_VER] = DRM_ELD_VER_CEA861D;
4538 
4539 	eld[DRM_ELD_MANUFACTURER_NAME0] = edid->mfg_id[0];
4540 	eld[DRM_ELD_MANUFACTURER_NAME1] = edid->mfg_id[1];
4541 	eld[DRM_ELD_PRODUCT_CODE0] = edid->prod_code[0];
4542 	eld[DRM_ELD_PRODUCT_CODE1] = edid->prod_code[1];
4543 
4544 	if (cea_revision(cea) >= 3) {
4545 		int i, start, end;
4546 		int sad_count;
4547 
4548 		if (cea_db_offsets(cea, &start, &end)) {
4549 			start = 0;
4550 			end = 0;
4551 		}
4552 
4553 		for_each_cea_db(cea, i, start, end) {
4554 			db = &cea[i];
4555 			dbl = cea_db_payload_len(db);
4556 
4557 			switch (cea_db_tag(db)) {
4558 			case AUDIO_BLOCK:
4559 				/* Audio Data Block, contains SADs */
4560 				sad_count = min(dbl / 3, 15 - total_sad_count);
4561 				if (sad_count >= 1)
4562 					memcpy(&eld[DRM_ELD_CEA_SAD(mnl, total_sad_count)],
4563 					       &db[1], sad_count * 3);
4564 				total_sad_count += sad_count;
4565 				break;
4566 			case SPEAKER_BLOCK:
4567 				/* Speaker Allocation Data Block */
4568 				if (dbl >= 1)
4569 					eld[DRM_ELD_SPEAKER] = db[1];
4570 				break;
4571 			case VENDOR_BLOCK:
4572 				/* HDMI Vendor-Specific Data Block */
4573 				if (cea_db_is_hdmi_vsdb(db))
4574 					drm_parse_hdmi_vsdb_audio(connector, db);
4575 				break;
4576 			default:
4577 				break;
4578 			}
4579 		}
4580 	}
4581 	eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= total_sad_count << DRM_ELD_SAD_COUNT_SHIFT;
4582 
4583 	if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
4584 	    connector->connector_type == DRM_MODE_CONNECTOR_eDP)
4585 		eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_DP;
4586 	else
4587 		eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_HDMI;
4588 
4589 	eld[DRM_ELD_BASELINE_ELD_LEN] =
4590 		DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4);
4591 
4592 	DRM_DEBUG_KMS("ELD size %d, SAD count %d\n",
4593 		      drm_eld_size(eld), total_sad_count);
4594 }
4595 
4596 /**
4597  * drm_edid_to_sad - extracts SADs from EDID
4598  * @edid: EDID to parse
4599  * @sads: pointer that will be set to the extracted SADs
4600  *
4601  * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it.
4602  *
4603  * Note: The returned pointer needs to be freed using kfree().
4604  *
4605  * Return: The number of found SADs or negative number on error.
4606  */
4607 int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads)
4608 {
4609 	int count = 0;
4610 	int i, start, end, dbl;
4611 	u8 *cea;
4612 
4613 	cea = drm_find_cea_extension(edid);
4614 	if (!cea) {
4615 		DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4616 		return 0;
4617 	}
4618 
4619 	if (cea_revision(cea) < 3) {
4620 		DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4621 		return 0;
4622 	}
4623 
4624 	if (cea_db_offsets(cea, &start, &end)) {
4625 		DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4626 		return -EPROTO;
4627 	}
4628 
4629 	for_each_cea_db(cea, i, start, end) {
4630 		u8 *db = &cea[i];
4631 
4632 		if (cea_db_tag(db) == AUDIO_BLOCK) {
4633 			int j;
4634 
4635 			dbl = cea_db_payload_len(db);
4636 
4637 			count = dbl / 3; /* SAD is 3B */
4638 			*sads = kcalloc(count, sizeof(**sads), GFP_KERNEL);
4639 			if (!*sads)
4640 				return -ENOMEM;
4641 			for (j = 0; j < count; j++) {
4642 				u8 *sad = &db[1 + j * 3];
4643 
4644 				(*sads)[j].format = (sad[0] & 0x78) >> 3;
4645 				(*sads)[j].channels = sad[0] & 0x7;
4646 				(*sads)[j].freq = sad[1] & 0x7F;
4647 				(*sads)[j].byte2 = sad[2];
4648 			}
4649 			break;
4650 		}
4651 	}
4652 
4653 	return count;
4654 }
4655 EXPORT_SYMBOL(drm_edid_to_sad);
4656 
4657 /**
4658  * drm_edid_to_speaker_allocation - extracts Speaker Allocation Data Blocks from EDID
4659  * @edid: EDID to parse
4660  * @sadb: pointer to the speaker block
4661  *
4662  * Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it.
4663  *
4664  * Note: The returned pointer needs to be freed using kfree().
4665  *
4666  * Return: The number of found Speaker Allocation Blocks or negative number on
4667  * error.
4668  */
4669 int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb)
4670 {
4671 	int count = 0;
4672 	int i, start, end, dbl;
4673 	const u8 *cea;
4674 
4675 	cea = drm_find_cea_extension(edid);
4676 	if (!cea) {
4677 		DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4678 		return 0;
4679 	}
4680 
4681 	if (cea_revision(cea) < 3) {
4682 		DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4683 		return 0;
4684 	}
4685 
4686 	if (cea_db_offsets(cea, &start, &end)) {
4687 		DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4688 		return -EPROTO;
4689 	}
4690 
4691 	for_each_cea_db(cea, i, start, end) {
4692 		const u8 *db = &cea[i];
4693 
4694 		if (cea_db_tag(db) == SPEAKER_BLOCK) {
4695 			dbl = cea_db_payload_len(db);
4696 
4697 			/* Speaker Allocation Data Block */
4698 			if (dbl == 3) {
4699 				*sadb = kmemdup(&db[1], dbl, GFP_KERNEL);
4700 				if (!*sadb)
4701 					return -ENOMEM;
4702 				count = dbl;
4703 				break;
4704 			}
4705 		}
4706 	}
4707 
4708 	return count;
4709 }
4710 EXPORT_SYMBOL(drm_edid_to_speaker_allocation);
4711 
4712 /**
4713  * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay
4714  * @connector: connector associated with the HDMI/DP sink
4715  * @mode: the display mode
4716  *
4717  * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if
4718  * the sink doesn't support audio or video.
4719  */
4720 int drm_av_sync_delay(struct drm_connector *connector,
4721 		      const struct drm_display_mode *mode)
4722 {
4723 	int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
4724 	int a, v;
4725 
4726 	if (!connector->latency_present[0])
4727 		return 0;
4728 	if (!connector->latency_present[1])
4729 		i = 0;
4730 
4731 	a = connector->audio_latency[i];
4732 	v = connector->video_latency[i];
4733 
4734 	/*
4735 	 * HDMI/DP sink doesn't support audio or video?
4736 	 */
4737 	if (a == 255 || v == 255)
4738 		return 0;
4739 
4740 	/*
4741 	 * Convert raw EDID values to millisecond.
4742 	 * Treat unknown latency as 0ms.
4743 	 */
4744 	if (a)
4745 		a = min(2 * (a - 1), 500);
4746 	if (v)
4747 		v = min(2 * (v - 1), 500);
4748 
4749 	return max(v - a, 0);
4750 }
4751 EXPORT_SYMBOL(drm_av_sync_delay);
4752 
4753 /**
4754  * drm_detect_hdmi_monitor - detect whether monitor is HDMI
4755  * @edid: monitor EDID information
4756  *
4757  * Parse the CEA extension according to CEA-861-B.
4758  *
4759  * Drivers that have added the modes parsed from EDID to drm_display_info
4760  * should use &drm_display_info.is_hdmi instead of calling this function.
4761  *
4762  * Return: True if the monitor is HDMI, false if not or unknown.
4763  */
4764 bool drm_detect_hdmi_monitor(struct edid *edid)
4765 {
4766 	u8 *edid_ext;
4767 	int i;
4768 	int start_offset, end_offset;
4769 
4770 	edid_ext = drm_find_cea_extension(edid);
4771 	if (!edid_ext)
4772 		return false;
4773 
4774 	if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4775 		return false;
4776 
4777 	/*
4778 	 * Because HDMI identifier is in Vendor Specific Block,
4779 	 * search it from all data blocks of CEA extension.
4780 	 */
4781 	for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4782 		if (cea_db_is_hdmi_vsdb(&edid_ext[i]))
4783 			return true;
4784 	}
4785 
4786 	return false;
4787 }
4788 EXPORT_SYMBOL(drm_detect_hdmi_monitor);
4789 
4790 /**
4791  * drm_detect_monitor_audio - check monitor audio capability
4792  * @edid: EDID block to scan
4793  *
4794  * Monitor should have CEA extension block.
4795  * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic
4796  * audio' only. If there is any audio extension block and supported
4797  * audio format, assume at least 'basic audio' support, even if 'basic
4798  * audio' is not defined in EDID.
4799  *
4800  * Return: True if the monitor supports audio, false otherwise.
4801  */
4802 bool drm_detect_monitor_audio(struct edid *edid)
4803 {
4804 	u8 *edid_ext;
4805 	int i, j;
4806 	bool has_audio = false;
4807 	int start_offset, end_offset;
4808 
4809 	edid_ext = drm_find_cea_extension(edid);
4810 	if (!edid_ext)
4811 		goto end;
4812 
4813 	has_audio = ((edid_ext[3] & EDID_BASIC_AUDIO) != 0);
4814 
4815 	if (has_audio) {
4816 		DRM_DEBUG_KMS("Monitor has basic audio support\n");
4817 		goto end;
4818 	}
4819 
4820 	if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4821 		goto end;
4822 
4823 	for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4824 		if (cea_db_tag(&edid_ext[i]) == AUDIO_BLOCK) {
4825 			has_audio = true;
4826 			for (j = 1; j < cea_db_payload_len(&edid_ext[i]) + 1; j += 3)
4827 				DRM_DEBUG_KMS("CEA audio format %d\n",
4828 					      (edid_ext[i + j] >> 3) & 0xf);
4829 			goto end;
4830 		}
4831 	}
4832 end:
4833 	return has_audio;
4834 }
4835 EXPORT_SYMBOL(drm_detect_monitor_audio);
4836 
4837 
4838 /**
4839  * drm_default_rgb_quant_range - default RGB quantization range
4840  * @mode: display mode
4841  *
4842  * Determine the default RGB quantization range for the mode,
4843  * as specified in CEA-861.
4844  *
4845  * Return: The default RGB quantization range for the mode
4846  */
4847 enum hdmi_quantization_range
4848 drm_default_rgb_quant_range(const struct drm_display_mode *mode)
4849 {
4850 	/* All CEA modes other than VIC 1 use limited quantization range. */
4851 	return drm_match_cea_mode(mode) > 1 ?
4852 		HDMI_QUANTIZATION_RANGE_LIMITED :
4853 		HDMI_QUANTIZATION_RANGE_FULL;
4854 }
4855 EXPORT_SYMBOL(drm_default_rgb_quant_range);
4856 
4857 static void drm_parse_vcdb(struct drm_connector *connector, const u8 *db)
4858 {
4859 	struct drm_display_info *info = &connector->display_info;
4860 
4861 	DRM_DEBUG_KMS("CEA VCDB 0x%02x\n", db[2]);
4862 
4863 	if (db[2] & EDID_CEA_VCDB_QS)
4864 		info->rgb_quant_range_selectable = true;
4865 }
4866 
4867 static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector,
4868 					       const u8 *db)
4869 {
4870 	u8 dc_mask;
4871 	struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
4872 
4873 	dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK;
4874 	hdmi->y420_dc_modes = dc_mask;
4875 }
4876 
4877 static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector,
4878 				 const u8 *hf_vsdb)
4879 {
4880 	struct drm_display_info *display = &connector->display_info;
4881 	struct drm_hdmi_info *hdmi = &display->hdmi;
4882 
4883 	display->has_hdmi_infoframe = true;
4884 
4885 	if (hf_vsdb[6] & 0x80) {
4886 		hdmi->scdc.supported = true;
4887 		if (hf_vsdb[6] & 0x40)
4888 			hdmi->scdc.read_request = true;
4889 	}
4890 
4891 	/*
4892 	 * All HDMI 2.0 monitors must support scrambling at rates > 340 MHz.
4893 	 * And as per the spec, three factors confirm this:
4894 	 * * Availability of a HF-VSDB block in EDID (check)
4895 	 * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check)
4896 	 * * SCDC support available (let's check)
4897 	 * Lets check it out.
4898 	 */
4899 
4900 	if (hf_vsdb[5]) {
4901 		/* max clock is 5000 KHz times block value */
4902 		u32 max_tmds_clock = hf_vsdb[5] * 5000;
4903 		struct drm_scdc *scdc = &hdmi->scdc;
4904 
4905 		if (max_tmds_clock > 340000) {
4906 			display->max_tmds_clock = max_tmds_clock;
4907 			DRM_DEBUG_KMS("HF-VSDB: max TMDS clock %d kHz\n",
4908 				display->max_tmds_clock);
4909 		}
4910 
4911 		if (scdc->supported) {
4912 			scdc->scrambling.supported = true;
4913 
4914 			/* Few sinks support scrambling for clocks < 340M */
4915 			if ((hf_vsdb[6] & 0x8))
4916 				scdc->scrambling.low_rates = true;
4917 		}
4918 	}
4919 
4920 	drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb);
4921 }
4922 
4923 static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector,
4924 					   const u8 *hdmi)
4925 {
4926 	struct drm_display_info *info = &connector->display_info;
4927 	unsigned int dc_bpc = 0;
4928 
4929 	/* HDMI supports at least 8 bpc */
4930 	info->bpc = 8;
4931 
4932 	if (cea_db_payload_len(hdmi) < 6)
4933 		return;
4934 
4935 	if (hdmi[6] & DRM_EDID_HDMI_DC_30) {
4936 		dc_bpc = 10;
4937 		info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_30;
4938 		DRM_DEBUG("%s: HDMI sink does deep color 30.\n",
4939 			  connector->name);
4940 	}
4941 
4942 	if (hdmi[6] & DRM_EDID_HDMI_DC_36) {
4943 		dc_bpc = 12;
4944 		info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_36;
4945 		DRM_DEBUG("%s: HDMI sink does deep color 36.\n",
4946 			  connector->name);
4947 	}
4948 
4949 	if (hdmi[6] & DRM_EDID_HDMI_DC_48) {
4950 		dc_bpc = 16;
4951 		info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_48;
4952 		DRM_DEBUG("%s: HDMI sink does deep color 48.\n",
4953 			  connector->name);
4954 	}
4955 
4956 	if (dc_bpc == 0) {
4957 		DRM_DEBUG("%s: No deep color support on this HDMI sink.\n",
4958 			  connector->name);
4959 		return;
4960 	}
4961 
4962 	DRM_DEBUG("%s: Assigning HDMI sink color depth as %d bpc.\n",
4963 		  connector->name, dc_bpc);
4964 	info->bpc = dc_bpc;
4965 
4966 	/*
4967 	 * Deep color support mandates RGB444 support for all video
4968 	 * modes and forbids YCRCB422 support for all video modes per
4969 	 * HDMI 1.3 spec.
4970 	 */
4971 	info->color_formats = DRM_COLOR_FORMAT_RGB444;
4972 
4973 	/* YCRCB444 is optional according to spec. */
4974 	if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) {
4975 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
4976 		DRM_DEBUG("%s: HDMI sink does YCRCB444 in deep color.\n",
4977 			  connector->name);
4978 	}
4979 
4980 	/*
4981 	 * Spec says that if any deep color mode is supported at all,
4982 	 * then deep color 36 bit must be supported.
4983 	 */
4984 	if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) {
4985 		DRM_DEBUG("%s: HDMI sink should do DC_36, but does not!\n",
4986 			  connector->name);
4987 	}
4988 }
4989 
4990 static void
4991 drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db)
4992 {
4993 	struct drm_display_info *info = &connector->display_info;
4994 	u8 len = cea_db_payload_len(db);
4995 
4996 	info->is_hdmi = true;
4997 
4998 	if (len >= 6)
4999 		info->dvi_dual = db[6] & 1;
5000 	if (len >= 7)
5001 		info->max_tmds_clock = db[7] * 5000;
5002 
5003 	DRM_DEBUG_KMS("HDMI: DVI dual %d, "
5004 		      "max TMDS clock %d kHz\n",
5005 		      info->dvi_dual,
5006 		      info->max_tmds_clock);
5007 
5008 	drm_parse_hdmi_deep_color_info(connector, db);
5009 }
5010 
5011 static void drm_parse_cea_ext(struct drm_connector *connector,
5012 			      const struct edid *edid)
5013 {
5014 	struct drm_display_info *info = &connector->display_info;
5015 	const u8 *edid_ext;
5016 	int i, start, end;
5017 
5018 	edid_ext = drm_find_cea_extension(edid);
5019 	if (!edid_ext)
5020 		return;
5021 
5022 	info->cea_rev = edid_ext[1];
5023 
5024 	/* The existence of a CEA block should imply RGB support */
5025 	info->color_formats = DRM_COLOR_FORMAT_RGB444;
5026 	if (edid_ext[3] & EDID_CEA_YCRCB444)
5027 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5028 	if (edid_ext[3] & EDID_CEA_YCRCB422)
5029 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
5030 
5031 	if (cea_db_offsets(edid_ext, &start, &end))
5032 		return;
5033 
5034 	for_each_cea_db(edid_ext, i, start, end) {
5035 		const u8 *db = &edid_ext[i];
5036 
5037 		if (cea_db_is_hdmi_vsdb(db))
5038 			drm_parse_hdmi_vsdb_video(connector, db);
5039 		if (cea_db_is_hdmi_forum_vsdb(db))
5040 			drm_parse_hdmi_forum_vsdb(connector, db);
5041 		if (cea_db_is_y420cmdb(db))
5042 			drm_parse_y420cmdb_bitmap(connector, db);
5043 		if (cea_db_is_vcdb(db))
5044 			drm_parse_vcdb(connector, db);
5045 		if (cea_db_is_hdmi_hdr_metadata_block(db))
5046 			drm_parse_hdr_metadata_block(connector, db);
5047 	}
5048 }
5049 
5050 static
5051 void get_monitor_range(struct detailed_timing *timing,
5052 		       void *info_monitor_range)
5053 {
5054 	struct drm_monitor_range_info *monitor_range = info_monitor_range;
5055 	const struct detailed_non_pixel *data = &timing->data.other_data;
5056 	const struct detailed_data_monitor_range *range = &data->data.range;
5057 
5058 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
5059 		return;
5060 
5061 	/*
5062 	 * Check for flag range limits only. If flag == 1 then
5063 	 * no additional timing information provided.
5064 	 * Default GTF, GTF Secondary curve and CVT are not
5065 	 * supported
5066 	 */
5067 	if (range->flags != DRM_EDID_RANGE_LIMITS_ONLY_FLAG)
5068 		return;
5069 
5070 	monitor_range->min_vfreq = range->min_vfreq;
5071 	monitor_range->max_vfreq = range->max_vfreq;
5072 }
5073 
5074 static
5075 void drm_get_monitor_range(struct drm_connector *connector,
5076 			   const struct edid *edid)
5077 {
5078 	struct drm_display_info *info = &connector->display_info;
5079 
5080 	if (!version_greater(edid, 1, 1))
5081 		return;
5082 
5083 	drm_for_each_detailed_block((u8 *)edid, get_monitor_range,
5084 				    &info->monitor_range);
5085 
5086 	DRM_DEBUG_KMS("Supported Monitor Refresh rate range is %d Hz - %d Hz\n",
5087 		      info->monitor_range.min_vfreq,
5088 		      info->monitor_range.max_vfreq);
5089 }
5090 
5091 /* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset
5092  * all of the values which would have been set from EDID
5093  */
5094 void
5095 drm_reset_display_info(struct drm_connector *connector)
5096 {
5097 	struct drm_display_info *info = &connector->display_info;
5098 
5099 	info->width_mm = 0;
5100 	info->height_mm = 0;
5101 
5102 	info->bpc = 0;
5103 	info->color_formats = 0;
5104 	info->cea_rev = 0;
5105 	info->max_tmds_clock = 0;
5106 	info->dvi_dual = false;
5107 	info->is_hdmi = false;
5108 	info->has_hdmi_infoframe = false;
5109 	info->rgb_quant_range_selectable = false;
5110 	memset(&info->hdmi, 0, sizeof(info->hdmi));
5111 
5112 	info->non_desktop = 0;
5113 	memset(&info->monitor_range, 0, sizeof(info->monitor_range));
5114 }
5115 
5116 u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid)
5117 {
5118 	struct drm_display_info *info = &connector->display_info;
5119 
5120 	u32 quirks = edid_get_quirks(edid);
5121 
5122 	drm_reset_display_info(connector);
5123 
5124 	info->width_mm = edid->width_cm * 10;
5125 	info->height_mm = edid->height_cm * 10;
5126 
5127 	info->non_desktop = !!(quirks & EDID_QUIRK_NON_DESKTOP);
5128 
5129 	drm_get_monitor_range(connector, edid);
5130 
5131 	DRM_DEBUG_KMS("non_desktop set to %d\n", info->non_desktop);
5132 
5133 	if (edid->revision < 3)
5134 		return quirks;
5135 
5136 	if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
5137 		return quirks;
5138 
5139 	drm_parse_cea_ext(connector, edid);
5140 
5141 	/*
5142 	 * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3?
5143 	 *
5144 	 * For such displays, the DFP spec 1.0, section 3.10 "EDID support"
5145 	 * tells us to assume 8 bpc color depth if the EDID doesn't have
5146 	 * extensions which tell otherwise.
5147 	 */
5148 	if (info->bpc == 0 && edid->revision == 3 &&
5149 	    edid->input & DRM_EDID_DIGITAL_DFP_1_X) {
5150 		info->bpc = 8;
5151 		DRM_DEBUG("%s: Assigning DFP sink color depth as %d bpc.\n",
5152 			  connector->name, info->bpc);
5153 	}
5154 
5155 	/* Only defined for 1.4 with digital displays */
5156 	if (edid->revision < 4)
5157 		return quirks;
5158 
5159 	switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {
5160 	case DRM_EDID_DIGITAL_DEPTH_6:
5161 		info->bpc = 6;
5162 		break;
5163 	case DRM_EDID_DIGITAL_DEPTH_8:
5164 		info->bpc = 8;
5165 		break;
5166 	case DRM_EDID_DIGITAL_DEPTH_10:
5167 		info->bpc = 10;
5168 		break;
5169 	case DRM_EDID_DIGITAL_DEPTH_12:
5170 		info->bpc = 12;
5171 		break;
5172 	case DRM_EDID_DIGITAL_DEPTH_14:
5173 		info->bpc = 14;
5174 		break;
5175 	case DRM_EDID_DIGITAL_DEPTH_16:
5176 		info->bpc = 16;
5177 		break;
5178 	case DRM_EDID_DIGITAL_DEPTH_UNDEF:
5179 	default:
5180 		info->bpc = 0;
5181 		break;
5182 	}
5183 
5184 	DRM_DEBUG("%s: Assigning EDID-1.4 digital sink color depth as %d bpc.\n",
5185 			  connector->name, info->bpc);
5186 
5187 	info->color_formats |= DRM_COLOR_FORMAT_RGB444;
5188 	if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)
5189 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5190 	if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)
5191 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
5192 	return quirks;
5193 }
5194 
5195 static int validate_displayid(u8 *displayid, int length, int idx)
5196 {
5197 	int i, dispid_length;
5198 	u8 csum = 0;
5199 	struct displayid_hdr *base;
5200 
5201 	base = (struct displayid_hdr *)&displayid[idx];
5202 
5203 	DRM_DEBUG_KMS("base revision 0x%x, length %d, %d %d\n",
5204 		      base->rev, base->bytes, base->prod_id, base->ext_count);
5205 
5206 	/* +1 for DispID checksum */
5207 	dispid_length = sizeof(*base) + base->bytes + 1;
5208 	if (dispid_length > length - idx)
5209 		return -EINVAL;
5210 
5211 	for (i = 0; i < dispid_length; i++)
5212 		csum += displayid[idx + i];
5213 	if (csum) {
5214 		DRM_NOTE("DisplayID checksum invalid, remainder is %d\n", csum);
5215 		return -EINVAL;
5216 	}
5217 
5218 	return 0;
5219 }
5220 
5221 static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev,
5222 							    struct displayid_detailed_timings_1 *timings)
5223 {
5224 	struct drm_display_mode *mode;
5225 	unsigned pixel_clock = (timings->pixel_clock[0] |
5226 				(timings->pixel_clock[1] << 8) |
5227 				(timings->pixel_clock[2] << 16)) + 1;
5228 	unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;
5229 	unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;
5230 	unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1;
5231 	unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1;
5232 	unsigned vactive = (timings->vactive[0] | timings->vactive[1] << 8) + 1;
5233 	unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1;
5234 	unsigned vsync = (timings->vsync[0] | (timings->vsync[1] & 0x7f) << 8) + 1;
5235 	unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1;
5236 	bool hsync_positive = (timings->hsync[1] >> 7) & 0x1;
5237 	bool vsync_positive = (timings->vsync[1] >> 7) & 0x1;
5238 
5239 	mode = drm_mode_create(dev);
5240 	if (!mode)
5241 		return NULL;
5242 
5243 	mode->clock = pixel_clock * 10;
5244 	mode->hdisplay = hactive;
5245 	mode->hsync_start = mode->hdisplay + hsync;
5246 	mode->hsync_end = mode->hsync_start + hsync_width;
5247 	mode->htotal = mode->hdisplay + hblank;
5248 
5249 	mode->vdisplay = vactive;
5250 	mode->vsync_start = mode->vdisplay + vsync;
5251 	mode->vsync_end = mode->vsync_start + vsync_width;
5252 	mode->vtotal = mode->vdisplay + vblank;
5253 
5254 	mode->flags = 0;
5255 	mode->flags |= hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
5256 	mode->flags |= vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
5257 	mode->type = DRM_MODE_TYPE_DRIVER;
5258 
5259 	if (timings->flags & 0x80)
5260 		mode->type |= DRM_MODE_TYPE_PREFERRED;
5261 	drm_mode_set_name(mode);
5262 
5263 	return mode;
5264 }
5265 
5266 static int add_displayid_detailed_1_modes(struct drm_connector *connector,
5267 					  struct displayid_block *block)
5268 {
5269 	struct displayid_detailed_timing_block *det = (struct displayid_detailed_timing_block *)block;
5270 	int i;
5271 	int num_timings;
5272 	struct drm_display_mode *newmode;
5273 	int num_modes = 0;
5274 	/* blocks must be multiple of 20 bytes length */
5275 	if (block->num_bytes % 20)
5276 		return 0;
5277 
5278 	num_timings = block->num_bytes / 20;
5279 	for (i = 0; i < num_timings; i++) {
5280 		struct displayid_detailed_timings_1 *timings = &det->timings[i];
5281 
5282 		newmode = drm_mode_displayid_detailed(connector->dev, timings);
5283 		if (!newmode)
5284 			continue;
5285 
5286 		drm_mode_probed_add(connector, newmode);
5287 		num_modes++;
5288 	}
5289 	return num_modes;
5290 }
5291 
5292 static int add_displayid_detailed_modes(struct drm_connector *connector,
5293 					struct edid *edid)
5294 {
5295 	u8 *displayid;
5296 	int length, idx;
5297 	struct displayid_block *block;
5298 	int num_modes = 0;
5299 	int ext_index = 0;
5300 
5301 	for (;;) {
5302 		displayid = drm_find_displayid_extension(edid, &length, &idx,
5303 							 &ext_index);
5304 		if (!displayid)
5305 			break;
5306 
5307 		idx += sizeof(struct displayid_hdr);
5308 		for_each_displayid_db(displayid, block, idx, length) {
5309 			switch (block->tag) {
5310 			case DATA_BLOCK_TYPE_1_DETAILED_TIMING:
5311 				num_modes += add_displayid_detailed_1_modes(connector, block);
5312 				break;
5313 			}
5314 		}
5315 	}
5316 
5317 	return num_modes;
5318 }
5319 
5320 /**
5321  * drm_add_edid_modes - add modes from EDID data, if available
5322  * @connector: connector we're probing
5323  * @edid: EDID data
5324  *
5325  * Add the specified modes to the connector's mode list. Also fills out the
5326  * &drm_display_info structure and ELD in @connector with any information which
5327  * can be derived from the edid.
5328  *
5329  * Return: The number of modes added or 0 if we couldn't find any.
5330  */
5331 int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
5332 {
5333 	int num_modes = 0;
5334 	u32 quirks;
5335 
5336 	if (edid == NULL) {
5337 		clear_eld(connector);
5338 		return 0;
5339 	}
5340 	if (!drm_edid_is_valid(edid)) {
5341 		clear_eld(connector);
5342 		drm_warn(connector->dev, "%s: EDID invalid.\n",
5343 			 connector->name);
5344 		return 0;
5345 	}
5346 
5347 	drm_edid_to_eld(connector, edid);
5348 
5349 	/*
5350 	 * CEA-861-F adds ycbcr capability map block, for HDMI 2.0 sinks.
5351 	 * To avoid multiple parsing of same block, lets parse that map
5352 	 * from sink info, before parsing CEA modes.
5353 	 */
5354 	quirks = drm_add_display_info(connector, edid);
5355 
5356 	/*
5357 	 * EDID spec says modes should be preferred in this order:
5358 	 * - preferred detailed mode
5359 	 * - other detailed modes from base block
5360 	 * - detailed modes from extension blocks
5361 	 * - CVT 3-byte code modes
5362 	 * - standard timing codes
5363 	 * - established timing codes
5364 	 * - modes inferred from GTF or CVT range information
5365 	 *
5366 	 * We get this pretty much right.
5367 	 *
5368 	 * XXX order for additional mode types in extension blocks?
5369 	 */
5370 	num_modes += add_detailed_modes(connector, edid, quirks);
5371 	num_modes += add_cvt_modes(connector, edid);
5372 	num_modes += add_standard_modes(connector, edid);
5373 	num_modes += add_established_modes(connector, edid);
5374 	num_modes += add_cea_modes(connector, edid);
5375 	num_modes += add_alternate_cea_modes(connector, edid);
5376 	num_modes += add_displayid_detailed_modes(connector, edid);
5377 	if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
5378 		num_modes += add_inferred_modes(connector, edid);
5379 
5380 	if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
5381 		edid_fixup_preferred(connector, quirks);
5382 
5383 	if (quirks & EDID_QUIRK_FORCE_6BPC)
5384 		connector->display_info.bpc = 6;
5385 
5386 	if (quirks & EDID_QUIRK_FORCE_8BPC)
5387 		connector->display_info.bpc = 8;
5388 
5389 	if (quirks & EDID_QUIRK_FORCE_10BPC)
5390 		connector->display_info.bpc = 10;
5391 
5392 	if (quirks & EDID_QUIRK_FORCE_12BPC)
5393 		connector->display_info.bpc = 12;
5394 
5395 	return num_modes;
5396 }
5397 EXPORT_SYMBOL(drm_add_edid_modes);
5398 
5399 /**
5400  * drm_add_modes_noedid - add modes for the connectors without EDID
5401  * @connector: connector we're probing
5402  * @hdisplay: the horizontal display limit
5403  * @vdisplay: the vertical display limit
5404  *
5405  * Add the specified modes to the connector's mode list. Only when the
5406  * hdisplay/vdisplay is not beyond the given limit, it will be added.
5407  *
5408  * Return: The number of modes added or 0 if we couldn't find any.
5409  */
5410 int drm_add_modes_noedid(struct drm_connector *connector,
5411 			int hdisplay, int vdisplay)
5412 {
5413 	int i, count, num_modes = 0;
5414 	struct drm_display_mode *mode;
5415 	struct drm_device *dev = connector->dev;
5416 
5417 	count = ARRAY_SIZE(drm_dmt_modes);
5418 	if (hdisplay < 0)
5419 		hdisplay = 0;
5420 	if (vdisplay < 0)
5421 		vdisplay = 0;
5422 
5423 	for (i = 0; i < count; i++) {
5424 		const struct drm_display_mode *ptr = &drm_dmt_modes[i];
5425 
5426 		if (hdisplay && vdisplay) {
5427 			/*
5428 			 * Only when two are valid, they will be used to check
5429 			 * whether the mode should be added to the mode list of
5430 			 * the connector.
5431 			 */
5432 			if (ptr->hdisplay > hdisplay ||
5433 					ptr->vdisplay > vdisplay)
5434 				continue;
5435 		}
5436 		if (drm_mode_vrefresh(ptr) > 61)
5437 			continue;
5438 		mode = drm_mode_duplicate(dev, ptr);
5439 		if (mode) {
5440 			drm_mode_probed_add(connector, mode);
5441 			num_modes++;
5442 		}
5443 	}
5444 	return num_modes;
5445 }
5446 EXPORT_SYMBOL(drm_add_modes_noedid);
5447 
5448 /**
5449  * drm_set_preferred_mode - Sets the preferred mode of a connector
5450  * @connector: connector whose mode list should be processed
5451  * @hpref: horizontal resolution of preferred mode
5452  * @vpref: vertical resolution of preferred mode
5453  *
5454  * Marks a mode as preferred if it matches the resolution specified by @hpref
5455  * and @vpref.
5456  */
5457 void drm_set_preferred_mode(struct drm_connector *connector,
5458 			   int hpref, int vpref)
5459 {
5460 	struct drm_display_mode *mode;
5461 
5462 	list_for_each_entry(mode, &connector->probed_modes, head) {
5463 		if (mode->hdisplay == hpref &&
5464 		    mode->vdisplay == vpref)
5465 			mode->type |= DRM_MODE_TYPE_PREFERRED;
5466 	}
5467 }
5468 EXPORT_SYMBOL(drm_set_preferred_mode);
5469 
5470 static bool is_hdmi2_sink(const struct drm_connector *connector)
5471 {
5472 	/*
5473 	 * FIXME: sil-sii8620 doesn't have a connector around when
5474 	 * we need one, so we have to be prepared for a NULL connector.
5475 	 */
5476 	if (!connector)
5477 		return true;
5478 
5479 	return connector->display_info.hdmi.scdc.supported ||
5480 		connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB420;
5481 }
5482 
5483 static inline bool is_eotf_supported(u8 output_eotf, u8 sink_eotf)
5484 {
5485 	return sink_eotf & BIT(output_eotf);
5486 }
5487 
5488 /**
5489  * drm_hdmi_infoframe_set_hdr_metadata() - fill an HDMI DRM infoframe with
5490  *                                         HDR metadata from userspace
5491  * @frame: HDMI DRM infoframe
5492  * @conn_state: Connector state containing HDR metadata
5493  *
5494  * Return: 0 on success or a negative error code on failure.
5495  */
5496 int
5497 drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
5498 				    const struct drm_connector_state *conn_state)
5499 {
5500 	struct drm_connector *connector;
5501 	struct hdr_output_metadata *hdr_metadata;
5502 	int err;
5503 
5504 	if (!frame || !conn_state)
5505 		return -EINVAL;
5506 
5507 	connector = conn_state->connector;
5508 
5509 	if (!conn_state->hdr_output_metadata)
5510 		return -EINVAL;
5511 
5512 	hdr_metadata = conn_state->hdr_output_metadata->data;
5513 
5514 	if (!hdr_metadata || !connector)
5515 		return -EINVAL;
5516 
5517 	/* Sink EOTF is Bit map while infoframe is absolute values */
5518 	if (!is_eotf_supported(hdr_metadata->hdmi_metadata_type1.eotf,
5519 	    connector->hdr_sink_metadata.hdmi_type1.eotf)) {
5520 		DRM_DEBUG_KMS("EOTF Not Supported\n");
5521 		return -EINVAL;
5522 	}
5523 
5524 	err = hdmi_drm_infoframe_init(frame);
5525 	if (err < 0)
5526 		return err;
5527 
5528 	frame->eotf = hdr_metadata->hdmi_metadata_type1.eotf;
5529 	frame->metadata_type = hdr_metadata->hdmi_metadata_type1.metadata_type;
5530 
5531 	BUILD_BUG_ON(sizeof(frame->display_primaries) !=
5532 		     sizeof(hdr_metadata->hdmi_metadata_type1.display_primaries));
5533 	BUILD_BUG_ON(sizeof(frame->white_point) !=
5534 		     sizeof(hdr_metadata->hdmi_metadata_type1.white_point));
5535 
5536 	memcpy(&frame->display_primaries,
5537 	       &hdr_metadata->hdmi_metadata_type1.display_primaries,
5538 	       sizeof(frame->display_primaries));
5539 
5540 	memcpy(&frame->white_point,
5541 	       &hdr_metadata->hdmi_metadata_type1.white_point,
5542 	       sizeof(frame->white_point));
5543 
5544 	frame->max_display_mastering_luminance =
5545 		hdr_metadata->hdmi_metadata_type1.max_display_mastering_luminance;
5546 	frame->min_display_mastering_luminance =
5547 		hdr_metadata->hdmi_metadata_type1.min_display_mastering_luminance;
5548 	frame->max_fall = hdr_metadata->hdmi_metadata_type1.max_fall;
5549 	frame->max_cll = hdr_metadata->hdmi_metadata_type1.max_cll;
5550 
5551 	return 0;
5552 }
5553 EXPORT_SYMBOL(drm_hdmi_infoframe_set_hdr_metadata);
5554 
5555 static u8 drm_mode_hdmi_vic(const struct drm_connector *connector,
5556 			    const struct drm_display_mode *mode)
5557 {
5558 	bool has_hdmi_infoframe = connector ?
5559 		connector->display_info.has_hdmi_infoframe : false;
5560 
5561 	if (!has_hdmi_infoframe)
5562 		return 0;
5563 
5564 	/* No HDMI VIC when signalling 3D video format */
5565 	if (mode->flags & DRM_MODE_FLAG_3D_MASK)
5566 		return 0;
5567 
5568 	return drm_match_hdmi_mode(mode);
5569 }
5570 
5571 static u8 drm_mode_cea_vic(const struct drm_connector *connector,
5572 			   const struct drm_display_mode *mode)
5573 {
5574 	u8 vic;
5575 
5576 	/*
5577 	 * HDMI spec says if a mode is found in HDMI 1.4b 4K modes
5578 	 * we should send its VIC in vendor infoframes, else send the
5579 	 * VIC in AVI infoframes. Lets check if this mode is present in
5580 	 * HDMI 1.4b 4K modes
5581 	 */
5582 	if (drm_mode_hdmi_vic(connector, mode))
5583 		return 0;
5584 
5585 	vic = drm_match_cea_mode(mode);
5586 
5587 	/*
5588 	 * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but
5589 	 * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we
5590 	 * have to make sure we dont break HDMI 1.4 sinks.
5591 	 */
5592 	if (!is_hdmi2_sink(connector) && vic > 64)
5593 		return 0;
5594 
5595 	return vic;
5596 }
5597 
5598 /**
5599  * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with
5600  *                                              data from a DRM display mode
5601  * @frame: HDMI AVI infoframe
5602  * @connector: the connector
5603  * @mode: DRM display mode
5604  *
5605  * Return: 0 on success or a negative error code on failure.
5606  */
5607 int
5608 drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
5609 					 const struct drm_connector *connector,
5610 					 const struct drm_display_mode *mode)
5611 {
5612 	enum hdmi_picture_aspect picture_aspect;
5613 	u8 vic, hdmi_vic;
5614 
5615 	if (!frame || !mode)
5616 		return -EINVAL;
5617 
5618 	hdmi_avi_infoframe_init(frame);
5619 
5620 	if (mode->flags & DRM_MODE_FLAG_DBLCLK)
5621 		frame->pixel_repeat = 1;
5622 
5623 	vic = drm_mode_cea_vic(connector, mode);
5624 	hdmi_vic = drm_mode_hdmi_vic(connector, mode);
5625 
5626 	frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5627 
5628 	/*
5629 	 * As some drivers don't support atomic, we can't use connector state.
5630 	 * So just initialize the frame with default values, just the same way
5631 	 * as it's done with other properties here.
5632 	 */
5633 	frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
5634 	frame->itc = 0;
5635 
5636 	/*
5637 	 * Populate picture aspect ratio from either
5638 	 * user input (if specified) or from the CEA/HDMI mode lists.
5639 	 */
5640 	picture_aspect = mode->picture_aspect_ratio;
5641 	if (picture_aspect == HDMI_PICTURE_ASPECT_NONE) {
5642 		if (vic)
5643 			picture_aspect = drm_get_cea_aspect_ratio(vic);
5644 		else if (hdmi_vic)
5645 			picture_aspect = drm_get_hdmi_aspect_ratio(hdmi_vic);
5646 	}
5647 
5648 	/*
5649 	 * The infoframe can't convey anything but none, 4:3
5650 	 * and 16:9, so if the user has asked for anything else
5651 	 * we can only satisfy it by specifying the right VIC.
5652 	 */
5653 	if (picture_aspect > HDMI_PICTURE_ASPECT_16_9) {
5654 		if (vic) {
5655 			if (picture_aspect != drm_get_cea_aspect_ratio(vic))
5656 				return -EINVAL;
5657 		} else if (hdmi_vic) {
5658 			if (picture_aspect != drm_get_hdmi_aspect_ratio(hdmi_vic))
5659 				return -EINVAL;
5660 		} else {
5661 			return -EINVAL;
5662 		}
5663 
5664 		picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5665 	}
5666 
5667 	frame->video_code = vic;
5668 	frame->picture_aspect = picture_aspect;
5669 	frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
5670 	frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
5671 
5672 	return 0;
5673 }
5674 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode);
5675 
5676 /* HDMI Colorspace Spec Definitions */
5677 #define FULL_COLORIMETRY_MASK		0x1FF
5678 #define NORMAL_COLORIMETRY_MASK		0x3
5679 #define EXTENDED_COLORIMETRY_MASK	0x7
5680 #define EXTENDED_ACE_COLORIMETRY_MASK	0xF
5681 
5682 #define C(x) ((x) << 0)
5683 #define EC(x) ((x) << 2)
5684 #define ACE(x) ((x) << 5)
5685 
5686 #define HDMI_COLORIMETRY_NO_DATA		0x0
5687 #define HDMI_COLORIMETRY_SMPTE_170M_YCC		(C(1) | EC(0) | ACE(0))
5688 #define HDMI_COLORIMETRY_BT709_YCC		(C(2) | EC(0) | ACE(0))
5689 #define HDMI_COLORIMETRY_XVYCC_601		(C(3) | EC(0) | ACE(0))
5690 #define HDMI_COLORIMETRY_XVYCC_709		(C(3) | EC(1) | ACE(0))
5691 #define HDMI_COLORIMETRY_SYCC_601		(C(3) | EC(2) | ACE(0))
5692 #define HDMI_COLORIMETRY_OPYCC_601		(C(3) | EC(3) | ACE(0))
5693 #define HDMI_COLORIMETRY_OPRGB			(C(3) | EC(4) | ACE(0))
5694 #define HDMI_COLORIMETRY_BT2020_CYCC		(C(3) | EC(5) | ACE(0))
5695 #define HDMI_COLORIMETRY_BT2020_RGB		(C(3) | EC(6) | ACE(0))
5696 #define HDMI_COLORIMETRY_BT2020_YCC		(C(3) | EC(6) | ACE(0))
5697 #define HDMI_COLORIMETRY_DCI_P3_RGB_D65		(C(3) | EC(7) | ACE(0))
5698 #define HDMI_COLORIMETRY_DCI_P3_RGB_THEATER	(C(3) | EC(7) | ACE(1))
5699 
5700 static const u32 hdmi_colorimetry_val[] = {
5701 	[DRM_MODE_COLORIMETRY_NO_DATA] = HDMI_COLORIMETRY_NO_DATA,
5702 	[DRM_MODE_COLORIMETRY_SMPTE_170M_YCC] = HDMI_COLORIMETRY_SMPTE_170M_YCC,
5703 	[DRM_MODE_COLORIMETRY_BT709_YCC] = HDMI_COLORIMETRY_BT709_YCC,
5704 	[DRM_MODE_COLORIMETRY_XVYCC_601] = HDMI_COLORIMETRY_XVYCC_601,
5705 	[DRM_MODE_COLORIMETRY_XVYCC_709] = HDMI_COLORIMETRY_XVYCC_709,
5706 	[DRM_MODE_COLORIMETRY_SYCC_601] = HDMI_COLORIMETRY_SYCC_601,
5707 	[DRM_MODE_COLORIMETRY_OPYCC_601] = HDMI_COLORIMETRY_OPYCC_601,
5708 	[DRM_MODE_COLORIMETRY_OPRGB] = HDMI_COLORIMETRY_OPRGB,
5709 	[DRM_MODE_COLORIMETRY_BT2020_CYCC] = HDMI_COLORIMETRY_BT2020_CYCC,
5710 	[DRM_MODE_COLORIMETRY_BT2020_RGB] = HDMI_COLORIMETRY_BT2020_RGB,
5711 	[DRM_MODE_COLORIMETRY_BT2020_YCC] = HDMI_COLORIMETRY_BT2020_YCC,
5712 };
5713 
5714 #undef C
5715 #undef EC
5716 #undef ACE
5717 
5718 /**
5719  * drm_hdmi_avi_infoframe_colorspace() - fill the HDMI AVI infoframe
5720  *                                       colorspace information
5721  * @frame: HDMI AVI infoframe
5722  * @conn_state: connector state
5723  */
5724 void
5725 drm_hdmi_avi_infoframe_colorspace(struct hdmi_avi_infoframe *frame,
5726 				  const struct drm_connector_state *conn_state)
5727 {
5728 	u32 colorimetry_val;
5729 	u32 colorimetry_index = conn_state->colorspace & FULL_COLORIMETRY_MASK;
5730 
5731 	if (colorimetry_index >= ARRAY_SIZE(hdmi_colorimetry_val))
5732 		colorimetry_val = HDMI_COLORIMETRY_NO_DATA;
5733 	else
5734 		colorimetry_val = hdmi_colorimetry_val[colorimetry_index];
5735 
5736 	frame->colorimetry = colorimetry_val & NORMAL_COLORIMETRY_MASK;
5737 	/*
5738 	 * ToDo: Extend it for ACE formats as well. Modify the infoframe
5739 	 * structure and extend it in drivers/video/hdmi
5740 	 */
5741 	frame->extended_colorimetry = (colorimetry_val >> 2) &
5742 					EXTENDED_COLORIMETRY_MASK;
5743 }
5744 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_colorspace);
5745 
5746 /**
5747  * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
5748  *                                        quantization range information
5749  * @frame: HDMI AVI infoframe
5750  * @connector: the connector
5751  * @mode: DRM display mode
5752  * @rgb_quant_range: RGB quantization range (Q)
5753  */
5754 void
5755 drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
5756 				   const struct drm_connector *connector,
5757 				   const struct drm_display_mode *mode,
5758 				   enum hdmi_quantization_range rgb_quant_range)
5759 {
5760 	const struct drm_display_info *info = &connector->display_info;
5761 
5762 	/*
5763 	 * CEA-861:
5764 	 * "A Source shall not send a non-zero Q value that does not correspond
5765 	 *  to the default RGB Quantization Range for the transmitted Picture
5766 	 *  unless the Sink indicates support for the Q bit in a Video
5767 	 *  Capabilities Data Block."
5768 	 *
5769 	 * HDMI 2.0 recommends sending non-zero Q when it does match the
5770 	 * default RGB quantization range for the mode, even when QS=0.
5771 	 */
5772 	if (info->rgb_quant_range_selectable ||
5773 	    rgb_quant_range == drm_default_rgb_quant_range(mode))
5774 		frame->quantization_range = rgb_quant_range;
5775 	else
5776 		frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
5777 
5778 	/*
5779 	 * CEA-861-F:
5780 	 * "When transmitting any RGB colorimetry, the Source should set the
5781 	 *  YQ-field to match the RGB Quantization Range being transmitted
5782 	 *  (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB,
5783 	 *  set YQ=1) and the Sink shall ignore the YQ-field."
5784 	 *
5785 	 * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused
5786 	 * by non-zero YQ when receiving RGB. There doesn't seem to be any
5787 	 * good way to tell which version of CEA-861 the sink supports, so
5788 	 * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based
5789 	 * on on CEA-861-F.
5790 	 */
5791 	if (!is_hdmi2_sink(connector) ||
5792 	    rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
5793 		frame->ycc_quantization_range =
5794 			HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
5795 	else
5796 		frame->ycc_quantization_range =
5797 			HDMI_YCC_QUANTIZATION_RANGE_FULL;
5798 }
5799 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);
5800 
5801 /**
5802  * drm_hdmi_avi_infoframe_bars() - fill the HDMI AVI infoframe
5803  *                                 bar information
5804  * @frame: HDMI AVI infoframe
5805  * @conn_state: connector state
5806  */
5807 void
5808 drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
5809 			    const struct drm_connector_state *conn_state)
5810 {
5811 	frame->right_bar = conn_state->tv.margins.right;
5812 	frame->left_bar = conn_state->tv.margins.left;
5813 	frame->top_bar = conn_state->tv.margins.top;
5814 	frame->bottom_bar = conn_state->tv.margins.bottom;
5815 }
5816 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_bars);
5817 
5818 static enum hdmi_3d_structure
5819 s3d_structure_from_display_mode(const struct drm_display_mode *mode)
5820 {
5821 	u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK;
5822 
5823 	switch (layout) {
5824 	case DRM_MODE_FLAG_3D_FRAME_PACKING:
5825 		return HDMI_3D_STRUCTURE_FRAME_PACKING;
5826 	case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:
5827 		return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE;
5828 	case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:
5829 		return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE;
5830 	case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:
5831 		return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL;
5832 	case DRM_MODE_FLAG_3D_L_DEPTH:
5833 		return HDMI_3D_STRUCTURE_L_DEPTH;
5834 	case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:
5835 		return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH;
5836 	case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
5837 		return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM;
5838 	case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
5839 		return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF;
5840 	default:
5841 		return HDMI_3D_STRUCTURE_INVALID;
5842 	}
5843 }
5844 
5845 /**
5846  * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with
5847  * data from a DRM display mode
5848  * @frame: HDMI vendor infoframe
5849  * @connector: the connector
5850  * @mode: DRM display mode
5851  *
5852  * Note that there's is a need to send HDMI vendor infoframes only when using a
5853  * 4k or stereoscopic 3D mode. So when giving any other mode as input this
5854  * function will return -EINVAL, error that can be safely ignored.
5855  *
5856  * Return: 0 on success or a negative error code on failure.
5857  */
5858 int
5859 drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
5860 					    const struct drm_connector *connector,
5861 					    const struct drm_display_mode *mode)
5862 {
5863 	/*
5864 	 * FIXME: sil-sii8620 doesn't have a connector around when
5865 	 * we need one, so we have to be prepared for a NULL connector.
5866 	 */
5867 	bool has_hdmi_infoframe = connector ?
5868 		connector->display_info.has_hdmi_infoframe : false;
5869 	int err;
5870 
5871 	if (!frame || !mode)
5872 		return -EINVAL;
5873 
5874 	if (!has_hdmi_infoframe)
5875 		return -EINVAL;
5876 
5877 	err = hdmi_vendor_infoframe_init(frame);
5878 	if (err < 0)
5879 		return err;
5880 
5881 	/*
5882 	 * Even if it's not absolutely necessary to send the infoframe
5883 	 * (ie.vic==0 and s3d_struct==0) we will still send it if we
5884 	 * know that the sink can handle it. This is based on a
5885 	 * suggestion in HDMI 2.0 Appendix F. Apparently some sinks
5886 	 * have trouble realizing that they shuld switch from 3D to 2D
5887 	 * mode if the source simply stops sending the infoframe when
5888 	 * it wants to switch from 3D to 2D.
5889 	 */
5890 	frame->vic = drm_mode_hdmi_vic(connector, mode);
5891 	frame->s3d_struct = s3d_structure_from_display_mode(mode);
5892 
5893 	return 0;
5894 }
5895 EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode);
5896 
5897 static void drm_parse_tiled_block(struct drm_connector *connector,
5898 				  const struct displayid_block *block)
5899 {
5900 	const struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block;
5901 	u16 w, h;
5902 	u8 tile_v_loc, tile_h_loc;
5903 	u8 num_v_tile, num_h_tile;
5904 	struct drm_tile_group *tg;
5905 
5906 	w = tile->tile_size[0] | tile->tile_size[1] << 8;
5907 	h = tile->tile_size[2] | tile->tile_size[3] << 8;
5908 
5909 	num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30);
5910 	num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30);
5911 	tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4);
5912 	tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4);
5913 
5914 	connector->has_tile = true;
5915 	if (tile->tile_cap & 0x80)
5916 		connector->tile_is_single_monitor = true;
5917 
5918 	connector->num_h_tile = num_h_tile + 1;
5919 	connector->num_v_tile = num_v_tile + 1;
5920 	connector->tile_h_loc = tile_h_loc;
5921 	connector->tile_v_loc = tile_v_loc;
5922 	connector->tile_h_size = w + 1;
5923 	connector->tile_v_size = h + 1;
5924 
5925 	DRM_DEBUG_KMS("tile cap 0x%x\n", tile->tile_cap);
5926 	DRM_DEBUG_KMS("tile_size %d x %d\n", w + 1, h + 1);
5927 	DRM_DEBUG_KMS("topo num tiles %dx%d, location %dx%d\n",
5928 		      num_h_tile + 1, num_v_tile + 1, tile_h_loc, tile_v_loc);
5929 	DRM_DEBUG_KMS("vend %c%c%c\n", tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]);
5930 
5931 	tg = drm_mode_get_tile_group(connector->dev, tile->topology_id);
5932 	if (!tg)
5933 		tg = drm_mode_create_tile_group(connector->dev, tile->topology_id);
5934 	if (!tg)
5935 		return;
5936 
5937 	if (connector->tile_group != tg) {
5938 		/* if we haven't got a pointer,
5939 		   take the reference, drop ref to old tile group */
5940 		if (connector->tile_group)
5941 			drm_mode_put_tile_group(connector->dev, connector->tile_group);
5942 		connector->tile_group = tg;
5943 	} else {
5944 		/* if same tile group, then release the ref we just took. */
5945 		drm_mode_put_tile_group(connector->dev, tg);
5946 	}
5947 }
5948 
5949 static void drm_displayid_parse_tiled(struct drm_connector *connector,
5950 				      const u8 *displayid, int length, int idx)
5951 {
5952 	const struct displayid_block *block;
5953 
5954 	idx += sizeof(struct displayid_hdr);
5955 	for_each_displayid_db(displayid, block, idx, length) {
5956 		DRM_DEBUG_KMS("block id 0x%x, rev %d, len %d\n",
5957 			      block->tag, block->rev, block->num_bytes);
5958 
5959 		switch (block->tag) {
5960 		case DATA_BLOCK_TILED_DISPLAY:
5961 			drm_parse_tiled_block(connector, block);
5962 			break;
5963 		default:
5964 			DRM_DEBUG_KMS("found DisplayID tag 0x%x, unhandled\n", block->tag);
5965 			break;
5966 		}
5967 	}
5968 }
5969 
5970 void drm_update_tile_info(struct drm_connector *connector,
5971 			  const struct edid *edid)
5972 {
5973 	const void *displayid = NULL;
5974 	int ext_index = 0;
5975 	int length, idx;
5976 
5977 	connector->has_tile = false;
5978 	for (;;) {
5979 		displayid = drm_find_displayid_extension(edid, &length, &idx,
5980 							 &ext_index);
5981 		if (!displayid)
5982 			break;
5983 
5984 		drm_displayid_parse_tiled(connector, displayid, length, idx);
5985 	}
5986 
5987 	if (!connector->has_tile && connector->tile_group) {
5988 		drm_mode_put_tile_group(connector->dev, connector->tile_group);
5989 		connector->tile_group = NULL;
5990 	}
5991 }
5992