xref: /openbmc/linux/drivers/gpu/drm/drm_edid.c (revision 04301bf5)
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 	/* Calculate real checksum for the last edid extension block data */
1841 	connector->real_edid_checksum =
1842 		drm_edid_block_checksum(edid + num_of_ext * EDID_LENGTH);
1843 
1844 	if (connector->bad_edid_counter++ && !drm_debug_enabled(DRM_UT_KMS))
1845 		return;
1846 
1847 	drm_warn(connector->dev, "%s: EDID is invalid:\n", connector->name);
1848 	for (i = 0; i < num_blocks; i++) {
1849 		u8 *block = edid + i * EDID_LENGTH;
1850 		char prefix[20];
1851 
1852 		if (drm_edid_is_zero(block, EDID_LENGTH))
1853 			sprintf(prefix, "\t[%02x] ZERO ", i);
1854 		else if (!drm_edid_block_valid(block, i, false, NULL))
1855 			sprintf(prefix, "\t[%02x] BAD  ", i);
1856 		else
1857 			sprintf(prefix, "\t[%02x] GOOD ", i);
1858 
1859 		print_hex_dump(KERN_WARNING,
1860 			       prefix, DUMP_PREFIX_NONE, 16, 1,
1861 			       block, EDID_LENGTH, false);
1862 	}
1863 }
1864 
1865 /* Get override or firmware EDID */
1866 static struct edid *drm_get_override_edid(struct drm_connector *connector)
1867 {
1868 	struct edid *override = NULL;
1869 
1870 	if (connector->override_edid)
1871 		override = drm_edid_duplicate(connector->edid_blob_ptr->data);
1872 
1873 	if (!override)
1874 		override = drm_load_edid_firmware(connector);
1875 
1876 	return IS_ERR(override) ? NULL : override;
1877 }
1878 
1879 /**
1880  * drm_add_override_edid_modes - add modes from override/firmware EDID
1881  * @connector: connector we're probing
1882  *
1883  * Add modes from the override/firmware EDID, if available. Only to be used from
1884  * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe
1885  * failed during drm_get_edid() and caused the override/firmware EDID to be
1886  * skipped.
1887  *
1888  * Return: The number of modes added or 0 if we couldn't find any.
1889  */
1890 int drm_add_override_edid_modes(struct drm_connector *connector)
1891 {
1892 	struct edid *override;
1893 	int num_modes = 0;
1894 
1895 	override = drm_get_override_edid(connector);
1896 	if (override) {
1897 		drm_connector_update_edid_property(connector, override);
1898 		num_modes = drm_add_edid_modes(connector, override);
1899 		kfree(override);
1900 
1901 		DRM_DEBUG_KMS("[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n",
1902 			      connector->base.id, connector->name, num_modes);
1903 	}
1904 
1905 	return num_modes;
1906 }
1907 EXPORT_SYMBOL(drm_add_override_edid_modes);
1908 
1909 /**
1910  * drm_do_get_edid - get EDID data using a custom EDID block read function
1911  * @connector: connector we're probing
1912  * @get_edid_block: EDID block read function
1913  * @data: private data passed to the block read function
1914  *
1915  * When the I2C adapter connected to the DDC bus is hidden behind a device that
1916  * exposes a different interface to read EDID blocks this function can be used
1917  * to get EDID data using a custom block read function.
1918  *
1919  * As in the general case the DDC bus is accessible by the kernel at the I2C
1920  * level, drivers must make all reasonable efforts to expose it as an I2C
1921  * adapter and use drm_get_edid() instead of abusing this function.
1922  *
1923  * The EDID may be overridden using debugfs override_edid or firmare EDID
1924  * (drm_load_edid_firmware() and drm.edid_firmware parameter), in this priority
1925  * order. Having either of them bypasses actual EDID reads.
1926  *
1927  * Return: Pointer to valid EDID or NULL if we couldn't find any.
1928  */
1929 struct edid *drm_do_get_edid(struct drm_connector *connector,
1930 	int (*get_edid_block)(void *data, u8 *buf, unsigned int block,
1931 			      size_t len),
1932 	void *data)
1933 {
1934 	int i, j = 0, valid_extensions = 0;
1935 	u8 *edid, *new;
1936 	struct edid *override;
1937 
1938 	override = drm_get_override_edid(connector);
1939 	if (override)
1940 		return override;
1941 
1942 	if ((edid = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL)
1943 		return NULL;
1944 
1945 	/* base block fetch */
1946 	for (i = 0; i < 4; i++) {
1947 		if (get_edid_block(data, edid, 0, EDID_LENGTH))
1948 			goto out;
1949 		if (drm_edid_block_valid(edid, 0, false,
1950 					 &connector->edid_corrupt))
1951 			break;
1952 		if (i == 0 && drm_edid_is_zero(edid, EDID_LENGTH)) {
1953 			connector->null_edid_counter++;
1954 			goto carp;
1955 		}
1956 	}
1957 	if (i == 4)
1958 		goto carp;
1959 
1960 	/* if there's no extensions, we're done */
1961 	valid_extensions = edid[0x7e];
1962 	if (valid_extensions == 0)
1963 		return (struct edid *)edid;
1964 
1965 	new = krealloc(edid, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL);
1966 	if (!new)
1967 		goto out;
1968 	edid = new;
1969 
1970 	for (j = 1; j <= edid[0x7e]; j++) {
1971 		u8 *block = edid + j * EDID_LENGTH;
1972 
1973 		for (i = 0; i < 4; i++) {
1974 			if (get_edid_block(data, block, j, EDID_LENGTH))
1975 				goto out;
1976 			if (drm_edid_block_valid(block, j, false, NULL))
1977 				break;
1978 		}
1979 
1980 		if (i == 4)
1981 			valid_extensions--;
1982 	}
1983 
1984 	if (valid_extensions != edid[0x7e]) {
1985 		u8 *base;
1986 
1987 		connector_bad_edid(connector, edid, edid[0x7e] + 1);
1988 
1989 		edid[EDID_LENGTH-1] += edid[0x7e] - valid_extensions;
1990 		edid[0x7e] = valid_extensions;
1991 
1992 		new = kmalloc_array(valid_extensions + 1, EDID_LENGTH,
1993 				    GFP_KERNEL);
1994 		if (!new)
1995 			goto out;
1996 
1997 		base = new;
1998 		for (i = 0; i <= edid[0x7e]; i++) {
1999 			u8 *block = edid + i * EDID_LENGTH;
2000 
2001 			if (!drm_edid_block_valid(block, i, false, NULL))
2002 				continue;
2003 
2004 			memcpy(base, block, EDID_LENGTH);
2005 			base += EDID_LENGTH;
2006 		}
2007 
2008 		kfree(edid);
2009 		edid = new;
2010 	}
2011 
2012 	return (struct edid *)edid;
2013 
2014 carp:
2015 	connector_bad_edid(connector, edid, 1);
2016 out:
2017 	kfree(edid);
2018 	return NULL;
2019 }
2020 EXPORT_SYMBOL_GPL(drm_do_get_edid);
2021 
2022 /**
2023  * drm_probe_ddc() - probe DDC presence
2024  * @adapter: I2C adapter to probe
2025  *
2026  * Return: True on success, false on failure.
2027  */
2028 bool
2029 drm_probe_ddc(struct i2c_adapter *adapter)
2030 {
2031 	unsigned char out;
2032 
2033 	return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
2034 }
2035 EXPORT_SYMBOL(drm_probe_ddc);
2036 
2037 /**
2038  * drm_get_edid - get EDID data, if available
2039  * @connector: connector we're probing
2040  * @adapter: I2C adapter to use for DDC
2041  *
2042  * Poke the given I2C channel to grab EDID data if possible.  If found,
2043  * attach it to the connector.
2044  *
2045  * Return: Pointer to valid EDID or NULL if we couldn't find any.
2046  */
2047 struct edid *drm_get_edid(struct drm_connector *connector,
2048 			  struct i2c_adapter *adapter)
2049 {
2050 	struct edid *edid;
2051 
2052 	if (connector->force == DRM_FORCE_OFF)
2053 		return NULL;
2054 
2055 	if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
2056 		return NULL;
2057 
2058 	edid = drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter);
2059 	drm_connector_update_edid_property(connector, edid);
2060 	return edid;
2061 }
2062 EXPORT_SYMBOL(drm_get_edid);
2063 
2064 /**
2065  * drm_get_edid_switcheroo - get EDID data for a vga_switcheroo output
2066  * @connector: connector we're probing
2067  * @adapter: I2C adapter to use for DDC
2068  *
2069  * Wrapper around drm_get_edid() for laptops with dual GPUs using one set of
2070  * outputs. The wrapper adds the requisite vga_switcheroo calls to temporarily
2071  * switch DDC to the GPU which is retrieving EDID.
2072  *
2073  * Return: Pointer to valid EDID or %NULL if we couldn't find any.
2074  */
2075 struct edid *drm_get_edid_switcheroo(struct drm_connector *connector,
2076 				     struct i2c_adapter *adapter)
2077 {
2078 	struct pci_dev *pdev = connector->dev->pdev;
2079 	struct edid *edid;
2080 
2081 	vga_switcheroo_lock_ddc(pdev);
2082 	edid = drm_get_edid(connector, adapter);
2083 	vga_switcheroo_unlock_ddc(pdev);
2084 
2085 	return edid;
2086 }
2087 EXPORT_SYMBOL(drm_get_edid_switcheroo);
2088 
2089 /**
2090  * drm_edid_duplicate - duplicate an EDID and the extensions
2091  * @edid: EDID to duplicate
2092  *
2093  * Return: Pointer to duplicated EDID or NULL on allocation failure.
2094  */
2095 struct edid *drm_edid_duplicate(const struct edid *edid)
2096 {
2097 	return kmemdup(edid, (edid->extensions + 1) * EDID_LENGTH, GFP_KERNEL);
2098 }
2099 EXPORT_SYMBOL(drm_edid_duplicate);
2100 
2101 /*** EDID parsing ***/
2102 
2103 /**
2104  * edid_vendor - match a string against EDID's obfuscated vendor field
2105  * @edid: EDID to match
2106  * @vendor: vendor string
2107  *
2108  * Returns true if @vendor is in @edid, false otherwise
2109  */
2110 static bool edid_vendor(const struct edid *edid, const char *vendor)
2111 {
2112 	char edid_vendor[3];
2113 
2114 	edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@';
2115 	edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) |
2116 			  ((edid->mfg_id[1] & 0xe0) >> 5)) + '@';
2117 	edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@';
2118 
2119 	return !strncmp(edid_vendor, vendor, 3);
2120 }
2121 
2122 /**
2123  * edid_get_quirks - return quirk flags for a given EDID
2124  * @edid: EDID to process
2125  *
2126  * This tells subsequent routines what fixes they need to apply.
2127  */
2128 static u32 edid_get_quirks(const struct edid *edid)
2129 {
2130 	const struct edid_quirk *quirk;
2131 	int i;
2132 
2133 	for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
2134 		quirk = &edid_quirk_list[i];
2135 
2136 		if (edid_vendor(edid, quirk->vendor) &&
2137 		    (EDID_PRODUCT_ID(edid) == quirk->product_id))
2138 			return quirk->quirks;
2139 	}
2140 
2141 	return 0;
2142 }
2143 
2144 #define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
2145 #define MODE_REFRESH_DIFF(c,t) (abs((c) - (t)))
2146 
2147 /**
2148  * edid_fixup_preferred - set preferred modes based on quirk list
2149  * @connector: has mode list to fix up
2150  * @quirks: quirks list
2151  *
2152  * Walk the mode list for @connector, clearing the preferred status
2153  * on existing modes and setting it anew for the right mode ala @quirks.
2154  */
2155 static void edid_fixup_preferred(struct drm_connector *connector,
2156 				 u32 quirks)
2157 {
2158 	struct drm_display_mode *t, *cur_mode, *preferred_mode;
2159 	int target_refresh = 0;
2160 	int cur_vrefresh, preferred_vrefresh;
2161 
2162 	if (list_empty(&connector->probed_modes))
2163 		return;
2164 
2165 	if (quirks & EDID_QUIRK_PREFER_LARGE_60)
2166 		target_refresh = 60;
2167 	if (quirks & EDID_QUIRK_PREFER_LARGE_75)
2168 		target_refresh = 75;
2169 
2170 	preferred_mode = list_first_entry(&connector->probed_modes,
2171 					  struct drm_display_mode, head);
2172 
2173 	list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) {
2174 		cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
2175 
2176 		if (cur_mode == preferred_mode)
2177 			continue;
2178 
2179 		/* Largest mode is preferred */
2180 		if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
2181 			preferred_mode = cur_mode;
2182 
2183 		cur_vrefresh = drm_mode_vrefresh(cur_mode);
2184 		preferred_vrefresh = drm_mode_vrefresh(preferred_mode);
2185 		/* At a given size, try to get closest to target refresh */
2186 		if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
2187 		    MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) <
2188 		    MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) {
2189 			preferred_mode = cur_mode;
2190 		}
2191 	}
2192 
2193 	preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
2194 }
2195 
2196 static bool
2197 mode_is_rb(const struct drm_display_mode *mode)
2198 {
2199 	return (mode->htotal - mode->hdisplay == 160) &&
2200 	       (mode->hsync_end - mode->hdisplay == 80) &&
2201 	       (mode->hsync_end - mode->hsync_start == 32) &&
2202 	       (mode->vsync_start - mode->vdisplay == 3);
2203 }
2204 
2205 /*
2206  * drm_mode_find_dmt - Create a copy of a mode if present in DMT
2207  * @dev: Device to duplicate against
2208  * @hsize: Mode width
2209  * @vsize: Mode height
2210  * @fresh: Mode refresh rate
2211  * @rb: Mode reduced-blanking-ness
2212  *
2213  * Walk the DMT mode list looking for a match for the given parameters.
2214  *
2215  * Return: A newly allocated copy of the mode, or NULL if not found.
2216  */
2217 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
2218 					   int hsize, int vsize, int fresh,
2219 					   bool rb)
2220 {
2221 	int i;
2222 
2223 	for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2224 		const struct drm_display_mode *ptr = &drm_dmt_modes[i];
2225 
2226 		if (hsize != ptr->hdisplay)
2227 			continue;
2228 		if (vsize != ptr->vdisplay)
2229 			continue;
2230 		if (fresh != drm_mode_vrefresh(ptr))
2231 			continue;
2232 		if (rb != mode_is_rb(ptr))
2233 			continue;
2234 
2235 		return drm_mode_duplicate(dev, ptr);
2236 	}
2237 
2238 	return NULL;
2239 }
2240 EXPORT_SYMBOL(drm_mode_find_dmt);
2241 
2242 static bool is_display_descriptor(const u8 d[18], u8 tag)
2243 {
2244 	return d[0] == 0x00 && d[1] == 0x00 &&
2245 		d[2] == 0x00 && d[3] == tag;
2246 }
2247 
2248 static bool is_detailed_timing_descriptor(const u8 d[18])
2249 {
2250 	return d[0] != 0x00 || d[1] != 0x00;
2251 }
2252 
2253 typedef void detailed_cb(struct detailed_timing *timing, void *closure);
2254 
2255 static void
2256 cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2257 {
2258 	int i, n;
2259 	u8 d = ext[0x02];
2260 	u8 *det_base = ext + d;
2261 
2262 	if (d < 4 || d > 127)
2263 		return;
2264 
2265 	n = (127 - d) / 18;
2266 	for (i = 0; i < n; i++)
2267 		cb((struct detailed_timing *)(det_base + 18 * i), closure);
2268 }
2269 
2270 static void
2271 vtb_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2272 {
2273 	unsigned int i, n = min((int)ext[0x02], 6);
2274 	u8 *det_base = ext + 5;
2275 
2276 	if (ext[0x01] != 1)
2277 		return; /* unknown version */
2278 
2279 	for (i = 0; i < n; i++)
2280 		cb((struct detailed_timing *)(det_base + 18 * i), closure);
2281 }
2282 
2283 static void
2284 drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure)
2285 {
2286 	int i;
2287 	struct edid *edid = (struct edid *)raw_edid;
2288 
2289 	if (edid == NULL)
2290 		return;
2291 
2292 	for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
2293 		cb(&(edid->detailed_timings[i]), closure);
2294 
2295 	for (i = 1; i <= raw_edid[0x7e]; i++) {
2296 		u8 *ext = raw_edid + (i * EDID_LENGTH);
2297 
2298 		switch (*ext) {
2299 		case CEA_EXT:
2300 			cea_for_each_detailed_block(ext, cb, closure);
2301 			break;
2302 		case VTB_EXT:
2303 			vtb_for_each_detailed_block(ext, cb, closure);
2304 			break;
2305 		default:
2306 			break;
2307 		}
2308 	}
2309 }
2310 
2311 static void
2312 is_rb(struct detailed_timing *t, void *data)
2313 {
2314 	u8 *r = (u8 *)t;
2315 
2316 	if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2317 		return;
2318 
2319 	if (r[15] & 0x10)
2320 		*(bool *)data = true;
2321 }
2322 
2323 /* EDID 1.4 defines this explicitly.  For EDID 1.3, we guess, badly. */
2324 static bool
2325 drm_monitor_supports_rb(struct edid *edid)
2326 {
2327 	if (edid->revision >= 4) {
2328 		bool ret = false;
2329 
2330 		drm_for_each_detailed_block((u8 *)edid, is_rb, &ret);
2331 		return ret;
2332 	}
2333 
2334 	return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
2335 }
2336 
2337 static void
2338 find_gtf2(struct detailed_timing *t, void *data)
2339 {
2340 	u8 *r = (u8 *)t;
2341 
2342 	if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2343 		return;
2344 
2345 	if (r[10] == 0x02)
2346 		*(u8 **)data = r;
2347 }
2348 
2349 /* Secondary GTF curve kicks in above some break frequency */
2350 static int
2351 drm_gtf2_hbreak(struct edid *edid)
2352 {
2353 	u8 *r = NULL;
2354 
2355 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2356 	return r ? (r[12] * 2) : 0;
2357 }
2358 
2359 static int
2360 drm_gtf2_2c(struct edid *edid)
2361 {
2362 	u8 *r = NULL;
2363 
2364 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2365 	return r ? r[13] : 0;
2366 }
2367 
2368 static int
2369 drm_gtf2_m(struct edid *edid)
2370 {
2371 	u8 *r = NULL;
2372 
2373 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2374 	return r ? (r[15] << 8) + r[14] : 0;
2375 }
2376 
2377 static int
2378 drm_gtf2_k(struct edid *edid)
2379 {
2380 	u8 *r = NULL;
2381 
2382 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2383 	return r ? r[16] : 0;
2384 }
2385 
2386 static int
2387 drm_gtf2_2j(struct edid *edid)
2388 {
2389 	u8 *r = NULL;
2390 
2391 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2392 	return r ? r[17] : 0;
2393 }
2394 
2395 /**
2396  * standard_timing_level - get std. timing level(CVT/GTF/DMT)
2397  * @edid: EDID block to scan
2398  */
2399 static int standard_timing_level(struct edid *edid)
2400 {
2401 	if (edid->revision >= 2) {
2402 		if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))
2403 			return LEVEL_CVT;
2404 		if (drm_gtf2_hbreak(edid))
2405 			return LEVEL_GTF2;
2406 		if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
2407 			return LEVEL_GTF;
2408 	}
2409 	return LEVEL_DMT;
2410 }
2411 
2412 /*
2413  * 0 is reserved.  The spec says 0x01 fill for unused timings.  Some old
2414  * monitors fill with ascii space (0x20) instead.
2415  */
2416 static int
2417 bad_std_timing(u8 a, u8 b)
2418 {
2419 	return (a == 0x00 && b == 0x00) ||
2420 	       (a == 0x01 && b == 0x01) ||
2421 	       (a == 0x20 && b == 0x20);
2422 }
2423 
2424 static int drm_mode_hsync(const struct drm_display_mode *mode)
2425 {
2426 	if (mode->htotal <= 0)
2427 		return 0;
2428 
2429 	return DIV_ROUND_CLOSEST(mode->clock, mode->htotal);
2430 }
2431 
2432 /**
2433  * drm_mode_std - convert standard mode info (width, height, refresh) into mode
2434  * @connector: connector of for the EDID block
2435  * @edid: EDID block to scan
2436  * @t: standard timing params
2437  *
2438  * Take the standard timing params (in this case width, aspect, and refresh)
2439  * and convert them into a real mode using CVT/GTF/DMT.
2440  */
2441 static struct drm_display_mode *
2442 drm_mode_std(struct drm_connector *connector, struct edid *edid,
2443 	     struct std_timing *t)
2444 {
2445 	struct drm_device *dev = connector->dev;
2446 	struct drm_display_mode *m, *mode = NULL;
2447 	int hsize, vsize;
2448 	int vrefresh_rate;
2449 	unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
2450 		>> EDID_TIMING_ASPECT_SHIFT;
2451 	unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
2452 		>> EDID_TIMING_VFREQ_SHIFT;
2453 	int timing_level = standard_timing_level(edid);
2454 
2455 	if (bad_std_timing(t->hsize, t->vfreq_aspect))
2456 		return NULL;
2457 
2458 	/* According to the EDID spec, the hdisplay = hsize * 8 + 248 */
2459 	hsize = t->hsize * 8 + 248;
2460 	/* vrefresh_rate = vfreq + 60 */
2461 	vrefresh_rate = vfreq + 60;
2462 	/* the vdisplay is calculated based on the aspect ratio */
2463 	if (aspect_ratio == 0) {
2464 		if (edid->revision < 3)
2465 			vsize = hsize;
2466 		else
2467 			vsize = (hsize * 10) / 16;
2468 	} else if (aspect_ratio == 1)
2469 		vsize = (hsize * 3) / 4;
2470 	else if (aspect_ratio == 2)
2471 		vsize = (hsize * 4) / 5;
2472 	else
2473 		vsize = (hsize * 9) / 16;
2474 
2475 	/* HDTV hack, part 1 */
2476 	if (vrefresh_rate == 60 &&
2477 	    ((hsize == 1360 && vsize == 765) ||
2478 	     (hsize == 1368 && vsize == 769))) {
2479 		hsize = 1366;
2480 		vsize = 768;
2481 	}
2482 
2483 	/*
2484 	 * If this connector already has a mode for this size and refresh
2485 	 * rate (because it came from detailed or CVT info), use that
2486 	 * instead.  This way we don't have to guess at interlace or
2487 	 * reduced blanking.
2488 	 */
2489 	list_for_each_entry(m, &connector->probed_modes, head)
2490 		if (m->hdisplay == hsize && m->vdisplay == vsize &&
2491 		    drm_mode_vrefresh(m) == vrefresh_rate)
2492 			return NULL;
2493 
2494 	/* HDTV hack, part 2 */
2495 	if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
2496 		mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
2497 				    false);
2498 		if (!mode)
2499 			return NULL;
2500 		mode->hdisplay = 1366;
2501 		mode->hsync_start = mode->hsync_start - 1;
2502 		mode->hsync_end = mode->hsync_end - 1;
2503 		return mode;
2504 	}
2505 
2506 	/* check whether it can be found in default mode table */
2507 	if (drm_monitor_supports_rb(edid)) {
2508 		mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate,
2509 					 true);
2510 		if (mode)
2511 			return mode;
2512 	}
2513 	mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, false);
2514 	if (mode)
2515 		return mode;
2516 
2517 	/* okay, generate it */
2518 	switch (timing_level) {
2519 	case LEVEL_DMT:
2520 		break;
2521 	case LEVEL_GTF:
2522 		mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2523 		break;
2524 	case LEVEL_GTF2:
2525 		/*
2526 		 * This is potentially wrong if there's ever a monitor with
2527 		 * more than one ranges section, each claiming a different
2528 		 * secondary GTF curve.  Please don't do that.
2529 		 */
2530 		mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2531 		if (!mode)
2532 			return NULL;
2533 		if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) {
2534 			drm_mode_destroy(dev, mode);
2535 			mode = drm_gtf_mode_complex(dev, hsize, vsize,
2536 						    vrefresh_rate, 0, 0,
2537 						    drm_gtf2_m(edid),
2538 						    drm_gtf2_2c(edid),
2539 						    drm_gtf2_k(edid),
2540 						    drm_gtf2_2j(edid));
2541 		}
2542 		break;
2543 	case LEVEL_CVT:
2544 		mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
2545 				    false);
2546 		break;
2547 	}
2548 	return mode;
2549 }
2550 
2551 /*
2552  * EDID is delightfully ambiguous about how interlaced modes are to be
2553  * encoded.  Our internal representation is of frame height, but some
2554  * HDTV detailed timings are encoded as field height.
2555  *
2556  * The format list here is from CEA, in frame size.  Technically we
2557  * should be checking refresh rate too.  Whatever.
2558  */
2559 static void
2560 drm_mode_do_interlace_quirk(struct drm_display_mode *mode,
2561 			    struct detailed_pixel_timing *pt)
2562 {
2563 	int i;
2564 	static const struct {
2565 		int w, h;
2566 	} cea_interlaced[] = {
2567 		{ 1920, 1080 },
2568 		{  720,  480 },
2569 		{ 1440,  480 },
2570 		{ 2880,  480 },
2571 		{  720,  576 },
2572 		{ 1440,  576 },
2573 		{ 2880,  576 },
2574 	};
2575 
2576 	if (!(pt->misc & DRM_EDID_PT_INTERLACED))
2577 		return;
2578 
2579 	for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) {
2580 		if ((mode->hdisplay == cea_interlaced[i].w) &&
2581 		    (mode->vdisplay == cea_interlaced[i].h / 2)) {
2582 			mode->vdisplay *= 2;
2583 			mode->vsync_start *= 2;
2584 			mode->vsync_end *= 2;
2585 			mode->vtotal *= 2;
2586 			mode->vtotal |= 1;
2587 		}
2588 	}
2589 
2590 	mode->flags |= DRM_MODE_FLAG_INTERLACE;
2591 }
2592 
2593 /**
2594  * drm_mode_detailed - create a new mode from an EDID detailed timing section
2595  * @dev: DRM device (needed to create new mode)
2596  * @edid: EDID block
2597  * @timing: EDID detailed timing info
2598  * @quirks: quirks to apply
2599  *
2600  * An EDID detailed timing block contains enough info for us to create and
2601  * return a new struct drm_display_mode.
2602  */
2603 static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
2604 						  struct edid *edid,
2605 						  struct detailed_timing *timing,
2606 						  u32 quirks)
2607 {
2608 	struct drm_display_mode *mode;
2609 	struct detailed_pixel_timing *pt = &timing->data.pixel_data;
2610 	unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo;
2611 	unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo;
2612 	unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo;
2613 	unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo;
2614 	unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo;
2615 	unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo;
2616 	unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4;
2617 	unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf);
2618 
2619 	/* ignore tiny modes */
2620 	if (hactive < 64 || vactive < 64)
2621 		return NULL;
2622 
2623 	if (pt->misc & DRM_EDID_PT_STEREO) {
2624 		DRM_DEBUG_KMS("stereo mode not supported\n");
2625 		return NULL;
2626 	}
2627 	if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) {
2628 		DRM_DEBUG_KMS("composite sync not supported\n");
2629 	}
2630 
2631 	/* it is incorrect if hsync/vsync width is zero */
2632 	if (!hsync_pulse_width || !vsync_pulse_width) {
2633 		DRM_DEBUG_KMS("Incorrect Detailed timing. "
2634 				"Wrong Hsync/Vsync pulse width\n");
2635 		return NULL;
2636 	}
2637 
2638 	if (quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) {
2639 		mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false);
2640 		if (!mode)
2641 			return NULL;
2642 
2643 		goto set_size;
2644 	}
2645 
2646 	mode = drm_mode_create(dev);
2647 	if (!mode)
2648 		return NULL;
2649 
2650 	if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
2651 		timing->pixel_clock = cpu_to_le16(1088);
2652 
2653 	mode->clock = le16_to_cpu(timing->pixel_clock) * 10;
2654 
2655 	mode->hdisplay = hactive;
2656 	mode->hsync_start = mode->hdisplay + hsync_offset;
2657 	mode->hsync_end = mode->hsync_start + hsync_pulse_width;
2658 	mode->htotal = mode->hdisplay + hblank;
2659 
2660 	mode->vdisplay = vactive;
2661 	mode->vsync_start = mode->vdisplay + vsync_offset;
2662 	mode->vsync_end = mode->vsync_start + vsync_pulse_width;
2663 	mode->vtotal = mode->vdisplay + vblank;
2664 
2665 	/* Some EDIDs have bogus h/vtotal values */
2666 	if (mode->hsync_end > mode->htotal)
2667 		mode->htotal = mode->hsync_end + 1;
2668 	if (mode->vsync_end > mode->vtotal)
2669 		mode->vtotal = mode->vsync_end + 1;
2670 
2671 	drm_mode_do_interlace_quirk(mode, pt);
2672 
2673 	if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
2674 		pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE;
2675 	}
2676 
2677 	mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
2678 		DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
2679 	mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?
2680 		DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
2681 
2682 set_size:
2683 	mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4;
2684 	mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8;
2685 
2686 	if (quirks & EDID_QUIRK_DETAILED_IN_CM) {
2687 		mode->width_mm *= 10;
2688 		mode->height_mm *= 10;
2689 	}
2690 
2691 	if (quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) {
2692 		mode->width_mm = edid->width_cm * 10;
2693 		mode->height_mm = edid->height_cm * 10;
2694 	}
2695 
2696 	mode->type = DRM_MODE_TYPE_DRIVER;
2697 	drm_mode_set_name(mode);
2698 
2699 	return mode;
2700 }
2701 
2702 static bool
2703 mode_in_hsync_range(const struct drm_display_mode *mode,
2704 		    struct edid *edid, u8 *t)
2705 {
2706 	int hsync, hmin, hmax;
2707 
2708 	hmin = t[7];
2709 	if (edid->revision >= 4)
2710 	    hmin += ((t[4] & 0x04) ? 255 : 0);
2711 	hmax = t[8];
2712 	if (edid->revision >= 4)
2713 	    hmax += ((t[4] & 0x08) ? 255 : 0);
2714 	hsync = drm_mode_hsync(mode);
2715 
2716 	return (hsync <= hmax && hsync >= hmin);
2717 }
2718 
2719 static bool
2720 mode_in_vsync_range(const struct drm_display_mode *mode,
2721 		    struct edid *edid, u8 *t)
2722 {
2723 	int vsync, vmin, vmax;
2724 
2725 	vmin = t[5];
2726 	if (edid->revision >= 4)
2727 	    vmin += ((t[4] & 0x01) ? 255 : 0);
2728 	vmax = t[6];
2729 	if (edid->revision >= 4)
2730 	    vmax += ((t[4] & 0x02) ? 255 : 0);
2731 	vsync = drm_mode_vrefresh(mode);
2732 
2733 	return (vsync <= vmax && vsync >= vmin);
2734 }
2735 
2736 static u32
2737 range_pixel_clock(struct edid *edid, u8 *t)
2738 {
2739 	/* unspecified */
2740 	if (t[9] == 0 || t[9] == 255)
2741 		return 0;
2742 
2743 	/* 1.4 with CVT support gives us real precision, yay */
2744 	if (edid->revision >= 4 && t[10] == 0x04)
2745 		return (t[9] * 10000) - ((t[12] >> 2) * 250);
2746 
2747 	/* 1.3 is pathetic, so fuzz up a bit */
2748 	return t[9] * 10000 + 5001;
2749 }
2750 
2751 static bool
2752 mode_in_range(const struct drm_display_mode *mode, struct edid *edid,
2753 	      struct detailed_timing *timing)
2754 {
2755 	u32 max_clock;
2756 	u8 *t = (u8 *)timing;
2757 
2758 	if (!mode_in_hsync_range(mode, edid, t))
2759 		return false;
2760 
2761 	if (!mode_in_vsync_range(mode, edid, t))
2762 		return false;
2763 
2764 	if ((max_clock = range_pixel_clock(edid, t)))
2765 		if (mode->clock > max_clock)
2766 			return false;
2767 
2768 	/* 1.4 max horizontal check */
2769 	if (edid->revision >= 4 && t[10] == 0x04)
2770 		if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
2771 			return false;
2772 
2773 	if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid))
2774 		return false;
2775 
2776 	return true;
2777 }
2778 
2779 static bool valid_inferred_mode(const struct drm_connector *connector,
2780 				const struct drm_display_mode *mode)
2781 {
2782 	const struct drm_display_mode *m;
2783 	bool ok = false;
2784 
2785 	list_for_each_entry(m, &connector->probed_modes, head) {
2786 		if (mode->hdisplay == m->hdisplay &&
2787 		    mode->vdisplay == m->vdisplay &&
2788 		    drm_mode_vrefresh(mode) == drm_mode_vrefresh(m))
2789 			return false; /* duplicated */
2790 		if (mode->hdisplay <= m->hdisplay &&
2791 		    mode->vdisplay <= m->vdisplay)
2792 			ok = true;
2793 	}
2794 	return ok;
2795 }
2796 
2797 static int
2798 drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2799 			struct detailed_timing *timing)
2800 {
2801 	int i, modes = 0;
2802 	struct drm_display_mode *newmode;
2803 	struct drm_device *dev = connector->dev;
2804 
2805 	for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2806 		if (mode_in_range(drm_dmt_modes + i, edid, timing) &&
2807 		    valid_inferred_mode(connector, drm_dmt_modes + i)) {
2808 			newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
2809 			if (newmode) {
2810 				drm_mode_probed_add(connector, newmode);
2811 				modes++;
2812 			}
2813 		}
2814 	}
2815 
2816 	return modes;
2817 }
2818 
2819 /* fix up 1366x768 mode from 1368x768;
2820  * GFT/CVT can't express 1366 width which isn't dividable by 8
2821  */
2822 void drm_mode_fixup_1366x768(struct drm_display_mode *mode)
2823 {
2824 	if (mode->hdisplay == 1368 && mode->vdisplay == 768) {
2825 		mode->hdisplay = 1366;
2826 		mode->hsync_start--;
2827 		mode->hsync_end--;
2828 		drm_mode_set_name(mode);
2829 	}
2830 }
2831 
2832 static int
2833 drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid,
2834 			struct detailed_timing *timing)
2835 {
2836 	int i, modes = 0;
2837 	struct drm_display_mode *newmode;
2838 	struct drm_device *dev = connector->dev;
2839 
2840 	for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2841 		const struct minimode *m = &extra_modes[i];
2842 
2843 		newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0);
2844 		if (!newmode)
2845 			return modes;
2846 
2847 		drm_mode_fixup_1366x768(newmode);
2848 		if (!mode_in_range(newmode, edid, timing) ||
2849 		    !valid_inferred_mode(connector, newmode)) {
2850 			drm_mode_destroy(dev, newmode);
2851 			continue;
2852 		}
2853 
2854 		drm_mode_probed_add(connector, newmode);
2855 		modes++;
2856 	}
2857 
2858 	return modes;
2859 }
2860 
2861 static int
2862 drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2863 			struct detailed_timing *timing)
2864 {
2865 	int i, modes = 0;
2866 	struct drm_display_mode *newmode;
2867 	struct drm_device *dev = connector->dev;
2868 	bool rb = drm_monitor_supports_rb(edid);
2869 
2870 	for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2871 		const struct minimode *m = &extra_modes[i];
2872 
2873 		newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0);
2874 		if (!newmode)
2875 			return modes;
2876 
2877 		drm_mode_fixup_1366x768(newmode);
2878 		if (!mode_in_range(newmode, edid, timing) ||
2879 		    !valid_inferred_mode(connector, newmode)) {
2880 			drm_mode_destroy(dev, newmode);
2881 			continue;
2882 		}
2883 
2884 		drm_mode_probed_add(connector, newmode);
2885 		modes++;
2886 	}
2887 
2888 	return modes;
2889 }
2890 
2891 static void
2892 do_inferred_modes(struct detailed_timing *timing, void *c)
2893 {
2894 	struct detailed_mode_closure *closure = c;
2895 	struct detailed_non_pixel *data = &timing->data.other_data;
2896 	struct detailed_data_monitor_range *range = &data->data.range;
2897 
2898 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
2899 		return;
2900 
2901 	closure->modes += drm_dmt_modes_for_range(closure->connector,
2902 						  closure->edid,
2903 						  timing);
2904 
2905 	if (!version_greater(closure->edid, 1, 1))
2906 		return; /* GTF not defined yet */
2907 
2908 	switch (range->flags) {
2909 	case 0x02: /* secondary gtf, XXX could do more */
2910 	case 0x00: /* default gtf */
2911 		closure->modes += drm_gtf_modes_for_range(closure->connector,
2912 							  closure->edid,
2913 							  timing);
2914 		break;
2915 	case 0x04: /* cvt, only in 1.4+ */
2916 		if (!version_greater(closure->edid, 1, 3))
2917 			break;
2918 
2919 		closure->modes += drm_cvt_modes_for_range(closure->connector,
2920 							  closure->edid,
2921 							  timing);
2922 		break;
2923 	case 0x01: /* just the ranges, no formula */
2924 	default:
2925 		break;
2926 	}
2927 }
2928 
2929 static int
2930 add_inferred_modes(struct drm_connector *connector, struct edid *edid)
2931 {
2932 	struct detailed_mode_closure closure = {
2933 		.connector = connector,
2934 		.edid = edid,
2935 	};
2936 
2937 	if (version_greater(edid, 1, 0))
2938 		drm_for_each_detailed_block((u8 *)edid, do_inferred_modes,
2939 					    &closure);
2940 
2941 	return closure.modes;
2942 }
2943 
2944 static int
2945 drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing)
2946 {
2947 	int i, j, m, modes = 0;
2948 	struct drm_display_mode *mode;
2949 	u8 *est = ((u8 *)timing) + 6;
2950 
2951 	for (i = 0; i < 6; i++) {
2952 		for (j = 7; j >= 0; j--) {
2953 			m = (i * 8) + (7 - j);
2954 			if (m >= ARRAY_SIZE(est3_modes))
2955 				break;
2956 			if (est[i] & (1 << j)) {
2957 				mode = drm_mode_find_dmt(connector->dev,
2958 							 est3_modes[m].w,
2959 							 est3_modes[m].h,
2960 							 est3_modes[m].r,
2961 							 est3_modes[m].rb);
2962 				if (mode) {
2963 					drm_mode_probed_add(connector, mode);
2964 					modes++;
2965 				}
2966 			}
2967 		}
2968 	}
2969 
2970 	return modes;
2971 }
2972 
2973 static void
2974 do_established_modes(struct detailed_timing *timing, void *c)
2975 {
2976 	struct detailed_mode_closure *closure = c;
2977 
2978 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_EST_TIMINGS))
2979 		return;
2980 
2981 	closure->modes += drm_est3_modes(closure->connector, timing);
2982 }
2983 
2984 /**
2985  * add_established_modes - get est. modes from EDID and add them
2986  * @connector: connector to add mode(s) to
2987  * @edid: EDID block to scan
2988  *
2989  * Each EDID block contains a bitmap of the supported "established modes" list
2990  * (defined above).  Tease them out and add them to the global modes list.
2991  */
2992 static int
2993 add_established_modes(struct drm_connector *connector, struct edid *edid)
2994 {
2995 	struct drm_device *dev = connector->dev;
2996 	unsigned long est_bits = edid->established_timings.t1 |
2997 		(edid->established_timings.t2 << 8) |
2998 		((edid->established_timings.mfg_rsvd & 0x80) << 9);
2999 	int i, modes = 0;
3000 	struct detailed_mode_closure closure = {
3001 		.connector = connector,
3002 		.edid = edid,
3003 	};
3004 
3005 	for (i = 0; i <= EDID_EST_TIMINGS; i++) {
3006 		if (est_bits & (1<<i)) {
3007 			struct drm_display_mode *newmode;
3008 
3009 			newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
3010 			if (newmode) {
3011 				drm_mode_probed_add(connector, newmode);
3012 				modes++;
3013 			}
3014 		}
3015 	}
3016 
3017 	if (version_greater(edid, 1, 0))
3018 		    drm_for_each_detailed_block((u8 *)edid,
3019 						do_established_modes, &closure);
3020 
3021 	return modes + closure.modes;
3022 }
3023 
3024 static void
3025 do_standard_modes(struct detailed_timing *timing, void *c)
3026 {
3027 	struct detailed_mode_closure *closure = c;
3028 	struct detailed_non_pixel *data = &timing->data.other_data;
3029 	struct drm_connector *connector = closure->connector;
3030 	struct edid *edid = closure->edid;
3031 	int i;
3032 
3033 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_STD_MODES))
3034 		return;
3035 
3036 	for (i = 0; i < 6; i++) {
3037 		struct std_timing *std = &data->data.timings[i];
3038 		struct drm_display_mode *newmode;
3039 
3040 		newmode = drm_mode_std(connector, edid, std);
3041 		if (newmode) {
3042 			drm_mode_probed_add(connector, newmode);
3043 			closure->modes++;
3044 		}
3045 	}
3046 }
3047 
3048 /**
3049  * add_standard_modes - get std. modes from EDID and add them
3050  * @connector: connector to add mode(s) to
3051  * @edid: EDID block to scan
3052  *
3053  * Standard modes can be calculated using the appropriate standard (DMT,
3054  * GTF or CVT. Grab them from @edid and add them to the list.
3055  */
3056 static int
3057 add_standard_modes(struct drm_connector *connector, struct edid *edid)
3058 {
3059 	int i, modes = 0;
3060 	struct detailed_mode_closure closure = {
3061 		.connector = connector,
3062 		.edid = edid,
3063 	};
3064 
3065 	for (i = 0; i < EDID_STD_TIMINGS; i++) {
3066 		struct drm_display_mode *newmode;
3067 
3068 		newmode = drm_mode_std(connector, edid,
3069 				       &edid->standard_timings[i]);
3070 		if (newmode) {
3071 			drm_mode_probed_add(connector, newmode);
3072 			modes++;
3073 		}
3074 	}
3075 
3076 	if (version_greater(edid, 1, 0))
3077 		drm_for_each_detailed_block((u8 *)edid, do_standard_modes,
3078 					    &closure);
3079 
3080 	/* XXX should also look for standard codes in VTB blocks */
3081 
3082 	return modes + closure.modes;
3083 }
3084 
3085 static int drm_cvt_modes(struct drm_connector *connector,
3086 			 struct detailed_timing *timing)
3087 {
3088 	int i, j, modes = 0;
3089 	struct drm_display_mode *newmode;
3090 	struct drm_device *dev = connector->dev;
3091 	struct cvt_timing *cvt;
3092 	const int rates[] = { 60, 85, 75, 60, 50 };
3093 	const u8 empty[3] = { 0, 0, 0 };
3094 
3095 	for (i = 0; i < 4; i++) {
3096 		int width, height;
3097 
3098 		cvt = &(timing->data.other_data.data.cvt[i]);
3099 
3100 		if (!memcmp(cvt->code, empty, 3))
3101 			continue;
3102 
3103 		height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;
3104 		switch (cvt->code[1] & 0x0c) {
3105 		case 0x00:
3106 			width = height * 4 / 3;
3107 			break;
3108 		case 0x04:
3109 			width = height * 16 / 9;
3110 			break;
3111 		case 0x08:
3112 			width = height * 16 / 10;
3113 			break;
3114 		case 0x0c:
3115 			width = height * 15 / 9;
3116 			break;
3117 		}
3118 
3119 		for (j = 1; j < 5; j++) {
3120 			if (cvt->code[2] & (1 << j)) {
3121 				newmode = drm_cvt_mode(dev, width, height,
3122 						       rates[j], j == 0,
3123 						       false, false);
3124 				if (newmode) {
3125 					drm_mode_probed_add(connector, newmode);
3126 					modes++;
3127 				}
3128 			}
3129 		}
3130 	}
3131 
3132 	return modes;
3133 }
3134 
3135 static void
3136 do_cvt_mode(struct detailed_timing *timing, void *c)
3137 {
3138 	struct detailed_mode_closure *closure = c;
3139 
3140 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_CVT_3BYTE))
3141 		return;
3142 
3143 	closure->modes += drm_cvt_modes(closure->connector, timing);
3144 }
3145 
3146 static int
3147 add_cvt_modes(struct drm_connector *connector, struct edid *edid)
3148 {
3149 	struct detailed_mode_closure closure = {
3150 		.connector = connector,
3151 		.edid = edid,
3152 	};
3153 
3154 	if (version_greater(edid, 1, 2))
3155 		drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure);
3156 
3157 	/* XXX should also look for CVT codes in VTB blocks */
3158 
3159 	return closure.modes;
3160 }
3161 
3162 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode);
3163 
3164 static void
3165 do_detailed_mode(struct detailed_timing *timing, void *c)
3166 {
3167 	struct detailed_mode_closure *closure = c;
3168 	struct drm_display_mode *newmode;
3169 
3170 	if (!is_detailed_timing_descriptor((const u8 *)timing))
3171 		return;
3172 
3173 	newmode = drm_mode_detailed(closure->connector->dev,
3174 				    closure->edid, timing,
3175 				    closure->quirks);
3176 	if (!newmode)
3177 		return;
3178 
3179 	if (closure->preferred)
3180 		newmode->type |= DRM_MODE_TYPE_PREFERRED;
3181 
3182 	/*
3183 	 * Detailed modes are limited to 10kHz pixel clock resolution,
3184 	 * so fix up anything that looks like CEA/HDMI mode, but the clock
3185 	 * is just slightly off.
3186 	 */
3187 	fixup_detailed_cea_mode_clock(newmode);
3188 
3189 	drm_mode_probed_add(closure->connector, newmode);
3190 	closure->modes++;
3191 	closure->preferred = false;
3192 }
3193 
3194 /*
3195  * add_detailed_modes - Add modes from detailed timings
3196  * @connector: attached connector
3197  * @edid: EDID block to scan
3198  * @quirks: quirks to apply
3199  */
3200 static int
3201 add_detailed_modes(struct drm_connector *connector, struct edid *edid,
3202 		   u32 quirks)
3203 {
3204 	struct detailed_mode_closure closure = {
3205 		.connector = connector,
3206 		.edid = edid,
3207 		.preferred = true,
3208 		.quirks = quirks,
3209 	};
3210 
3211 	if (closure.preferred && !version_greater(edid, 1, 3))
3212 		closure.preferred =
3213 		    (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
3214 
3215 	drm_for_each_detailed_block((u8 *)edid, do_detailed_mode, &closure);
3216 
3217 	return closure.modes;
3218 }
3219 
3220 #define AUDIO_BLOCK	0x01
3221 #define VIDEO_BLOCK     0x02
3222 #define VENDOR_BLOCK    0x03
3223 #define SPEAKER_BLOCK	0x04
3224 #define HDR_STATIC_METADATA_BLOCK	0x6
3225 #define USE_EXTENDED_TAG 0x07
3226 #define EXT_VIDEO_CAPABILITY_BLOCK 0x00
3227 #define EXT_VIDEO_DATA_BLOCK_420	0x0E
3228 #define EXT_VIDEO_CAP_BLOCK_Y420CMDB 0x0F
3229 #define EDID_BASIC_AUDIO	(1 << 6)
3230 #define EDID_CEA_YCRCB444	(1 << 5)
3231 #define EDID_CEA_YCRCB422	(1 << 4)
3232 #define EDID_CEA_VCDB_QS	(1 << 6)
3233 
3234 /*
3235  * Search EDID for CEA extension block.
3236  */
3237 static u8 *drm_find_edid_extension(const struct edid *edid,
3238 				   int ext_id, int *ext_index)
3239 {
3240 	u8 *edid_ext = NULL;
3241 	int i;
3242 
3243 	/* No EDID or EDID extensions */
3244 	if (edid == NULL || edid->extensions == 0)
3245 		return NULL;
3246 
3247 	/* Find CEA extension */
3248 	for (i = *ext_index; i < edid->extensions; i++) {
3249 		edid_ext = (u8 *)edid + EDID_LENGTH * (i + 1);
3250 		if (edid_ext[0] == ext_id)
3251 			break;
3252 	}
3253 
3254 	if (i >= edid->extensions)
3255 		return NULL;
3256 
3257 	*ext_index = i + 1;
3258 
3259 	return edid_ext;
3260 }
3261 
3262 
3263 static u8 *drm_find_displayid_extension(const struct edid *edid,
3264 					int *length, int *idx,
3265 					int *ext_index)
3266 {
3267 	u8 *displayid = drm_find_edid_extension(edid, DISPLAYID_EXT, ext_index);
3268 	struct displayid_hdr *base;
3269 	int ret;
3270 
3271 	if (!displayid)
3272 		return NULL;
3273 
3274 	/* EDID extensions block checksum isn't for us */
3275 	*length = EDID_LENGTH - 1;
3276 	*idx = 1;
3277 
3278 	ret = validate_displayid(displayid, *length, *idx);
3279 	if (ret)
3280 		return NULL;
3281 
3282 	base = (struct displayid_hdr *)&displayid[*idx];
3283 	*length = *idx + sizeof(*base) + base->bytes;
3284 
3285 	return displayid;
3286 }
3287 
3288 static u8 *drm_find_cea_extension(const struct edid *edid)
3289 {
3290 	int length, idx;
3291 	struct displayid_block *block;
3292 	u8 *cea;
3293 	u8 *displayid;
3294 	int ext_index;
3295 
3296 	/* Look for a top level CEA extension block */
3297 	/* FIXME: make callers iterate through multiple CEA ext blocks? */
3298 	ext_index = 0;
3299 	cea = drm_find_edid_extension(edid, CEA_EXT, &ext_index);
3300 	if (cea)
3301 		return cea;
3302 
3303 	/* CEA blocks can also be found embedded in a DisplayID block */
3304 	ext_index = 0;
3305 	for (;;) {
3306 		displayid = drm_find_displayid_extension(edid, &length, &idx,
3307 							 &ext_index);
3308 		if (!displayid)
3309 			return NULL;
3310 
3311 		idx += sizeof(struct displayid_hdr);
3312 		for_each_displayid_db(displayid, block, idx, length) {
3313 			if (block->tag == DATA_BLOCK_CTA)
3314 				return (u8 *)block;
3315 		}
3316 	}
3317 
3318 	return NULL;
3319 }
3320 
3321 static __always_inline const struct drm_display_mode *cea_mode_for_vic(u8 vic)
3322 {
3323 	BUILD_BUG_ON(1 + ARRAY_SIZE(edid_cea_modes_1) - 1 != 127);
3324 	BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 219);
3325 
3326 	if (vic >= 1 && vic < 1 + ARRAY_SIZE(edid_cea_modes_1))
3327 		return &edid_cea_modes_1[vic - 1];
3328 	if (vic >= 193 && vic < 193 + ARRAY_SIZE(edid_cea_modes_193))
3329 		return &edid_cea_modes_193[vic - 193];
3330 	return NULL;
3331 }
3332 
3333 static u8 cea_num_vics(void)
3334 {
3335 	return 193 + ARRAY_SIZE(edid_cea_modes_193);
3336 }
3337 
3338 static u8 cea_next_vic(u8 vic)
3339 {
3340 	if (++vic == 1 + ARRAY_SIZE(edid_cea_modes_1))
3341 		vic = 193;
3342 	return vic;
3343 }
3344 
3345 /*
3346  * Calculate the alternate clock for the CEA mode
3347  * (60Hz vs. 59.94Hz etc.)
3348  */
3349 static unsigned int
3350 cea_mode_alternate_clock(const struct drm_display_mode *cea_mode)
3351 {
3352 	unsigned int clock = cea_mode->clock;
3353 
3354 	if (drm_mode_vrefresh(cea_mode) % 6 != 0)
3355 		return clock;
3356 
3357 	/*
3358 	 * edid_cea_modes contains the 59.94Hz
3359 	 * variant for 240 and 480 line modes,
3360 	 * and the 60Hz variant otherwise.
3361 	 */
3362 	if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480)
3363 		clock = DIV_ROUND_CLOSEST(clock * 1001, 1000);
3364 	else
3365 		clock = DIV_ROUND_CLOSEST(clock * 1000, 1001);
3366 
3367 	return clock;
3368 }
3369 
3370 static bool
3371 cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode)
3372 {
3373 	/*
3374 	 * For certain VICs the spec allows the vertical
3375 	 * front porch to vary by one or two lines.
3376 	 *
3377 	 * cea_modes[] stores the variant with the shortest
3378 	 * vertical front porch. We can adjust the mode to
3379 	 * get the other variants by simply increasing the
3380 	 * vertical front porch length.
3381 	 */
3382 	BUILD_BUG_ON(cea_mode_for_vic(8)->vtotal != 262 ||
3383 		     cea_mode_for_vic(9)->vtotal != 262 ||
3384 		     cea_mode_for_vic(12)->vtotal != 262 ||
3385 		     cea_mode_for_vic(13)->vtotal != 262 ||
3386 		     cea_mode_for_vic(23)->vtotal != 312 ||
3387 		     cea_mode_for_vic(24)->vtotal != 312 ||
3388 		     cea_mode_for_vic(27)->vtotal != 312 ||
3389 		     cea_mode_for_vic(28)->vtotal != 312);
3390 
3391 	if (((vic == 8 || vic == 9 ||
3392 	      vic == 12 || vic == 13) && mode->vtotal < 263) ||
3393 	    ((vic == 23 || vic == 24 ||
3394 	      vic == 27 || vic == 28) && mode->vtotal < 314)) {
3395 		mode->vsync_start++;
3396 		mode->vsync_end++;
3397 		mode->vtotal++;
3398 
3399 		return true;
3400 	}
3401 
3402 	return false;
3403 }
3404 
3405 static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match,
3406 					     unsigned int clock_tolerance)
3407 {
3408 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3409 	u8 vic;
3410 
3411 	if (!to_match->clock)
3412 		return 0;
3413 
3414 	if (to_match->picture_aspect_ratio)
3415 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3416 
3417 	for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3418 		struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3419 		unsigned int clock1, clock2;
3420 
3421 		/* Check both 60Hz and 59.94Hz */
3422 		clock1 = cea_mode.clock;
3423 		clock2 = cea_mode_alternate_clock(&cea_mode);
3424 
3425 		if (abs(to_match->clock - clock1) > clock_tolerance &&
3426 		    abs(to_match->clock - clock2) > clock_tolerance)
3427 			continue;
3428 
3429 		do {
3430 			if (drm_mode_match(to_match, &cea_mode, match_flags))
3431 				return vic;
3432 		} while (cea_mode_alternate_timings(vic, &cea_mode));
3433 	}
3434 
3435 	return 0;
3436 }
3437 
3438 /**
3439  * drm_match_cea_mode - look for a CEA mode matching given mode
3440  * @to_match: display mode
3441  *
3442  * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
3443  * mode.
3444  */
3445 u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
3446 {
3447 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3448 	u8 vic;
3449 
3450 	if (!to_match->clock)
3451 		return 0;
3452 
3453 	if (to_match->picture_aspect_ratio)
3454 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3455 
3456 	for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3457 		struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3458 		unsigned int clock1, clock2;
3459 
3460 		/* Check both 60Hz and 59.94Hz */
3461 		clock1 = cea_mode.clock;
3462 		clock2 = cea_mode_alternate_clock(&cea_mode);
3463 
3464 		if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) &&
3465 		    KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2))
3466 			continue;
3467 
3468 		do {
3469 			if (drm_mode_match(to_match, &cea_mode, match_flags))
3470 				return vic;
3471 		} while (cea_mode_alternate_timings(vic, &cea_mode));
3472 	}
3473 
3474 	return 0;
3475 }
3476 EXPORT_SYMBOL(drm_match_cea_mode);
3477 
3478 static bool drm_valid_cea_vic(u8 vic)
3479 {
3480 	return cea_mode_for_vic(vic) != NULL;
3481 }
3482 
3483 static enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code)
3484 {
3485 	const struct drm_display_mode *mode = cea_mode_for_vic(video_code);
3486 
3487 	if (mode)
3488 		return mode->picture_aspect_ratio;
3489 
3490 	return HDMI_PICTURE_ASPECT_NONE;
3491 }
3492 
3493 static enum hdmi_picture_aspect drm_get_hdmi_aspect_ratio(const u8 video_code)
3494 {
3495 	return edid_4k_modes[video_code].picture_aspect_ratio;
3496 }
3497 
3498 /*
3499  * Calculate the alternate clock for HDMI modes (those from the HDMI vendor
3500  * specific block).
3501  */
3502 static unsigned int
3503 hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode)
3504 {
3505 	return cea_mode_alternate_clock(hdmi_mode);
3506 }
3507 
3508 static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match,
3509 					      unsigned int clock_tolerance)
3510 {
3511 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3512 	u8 vic;
3513 
3514 	if (!to_match->clock)
3515 		return 0;
3516 
3517 	if (to_match->picture_aspect_ratio)
3518 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3519 
3520 	for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3521 		const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3522 		unsigned int clock1, clock2;
3523 
3524 		/* Make sure to also match alternate clocks */
3525 		clock1 = hdmi_mode->clock;
3526 		clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3527 
3528 		if (abs(to_match->clock - clock1) > clock_tolerance &&
3529 		    abs(to_match->clock - clock2) > clock_tolerance)
3530 			continue;
3531 
3532 		if (drm_mode_match(to_match, hdmi_mode, match_flags))
3533 			return vic;
3534 	}
3535 
3536 	return 0;
3537 }
3538 
3539 /*
3540  * drm_match_hdmi_mode - look for a HDMI mode matching given mode
3541  * @to_match: display mode
3542  *
3543  * An HDMI mode is one defined in the HDMI vendor specific block.
3544  *
3545  * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one.
3546  */
3547 static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match)
3548 {
3549 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3550 	u8 vic;
3551 
3552 	if (!to_match->clock)
3553 		return 0;
3554 
3555 	if (to_match->picture_aspect_ratio)
3556 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3557 
3558 	for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3559 		const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3560 		unsigned int clock1, clock2;
3561 
3562 		/* Make sure to also match alternate clocks */
3563 		clock1 = hdmi_mode->clock;
3564 		clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3565 
3566 		if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||
3567 		     KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&
3568 		    drm_mode_match(to_match, hdmi_mode, match_flags))
3569 			return vic;
3570 	}
3571 	return 0;
3572 }
3573 
3574 static bool drm_valid_hdmi_vic(u8 vic)
3575 {
3576 	return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes);
3577 }
3578 
3579 static int
3580 add_alternate_cea_modes(struct drm_connector *connector, struct edid *edid)
3581 {
3582 	struct drm_device *dev = connector->dev;
3583 	struct drm_display_mode *mode, *tmp;
3584 	LIST_HEAD(list);
3585 	int modes = 0;
3586 
3587 	/* Don't add CEA modes if the CEA extension block is missing */
3588 	if (!drm_find_cea_extension(edid))
3589 		return 0;
3590 
3591 	/*
3592 	 * Go through all probed modes and create a new mode
3593 	 * with the alternate clock for certain CEA modes.
3594 	 */
3595 	list_for_each_entry(mode, &connector->probed_modes, head) {
3596 		const struct drm_display_mode *cea_mode = NULL;
3597 		struct drm_display_mode *newmode;
3598 		u8 vic = drm_match_cea_mode(mode);
3599 		unsigned int clock1, clock2;
3600 
3601 		if (drm_valid_cea_vic(vic)) {
3602 			cea_mode = cea_mode_for_vic(vic);
3603 			clock2 = cea_mode_alternate_clock(cea_mode);
3604 		} else {
3605 			vic = drm_match_hdmi_mode(mode);
3606 			if (drm_valid_hdmi_vic(vic)) {
3607 				cea_mode = &edid_4k_modes[vic];
3608 				clock2 = hdmi_mode_alternate_clock(cea_mode);
3609 			}
3610 		}
3611 
3612 		if (!cea_mode)
3613 			continue;
3614 
3615 		clock1 = cea_mode->clock;
3616 
3617 		if (clock1 == clock2)
3618 			continue;
3619 
3620 		if (mode->clock != clock1 && mode->clock != clock2)
3621 			continue;
3622 
3623 		newmode = drm_mode_duplicate(dev, cea_mode);
3624 		if (!newmode)
3625 			continue;
3626 
3627 		/* Carry over the stereo flags */
3628 		newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK;
3629 
3630 		/*
3631 		 * The current mode could be either variant. Make
3632 		 * sure to pick the "other" clock for the new mode.
3633 		 */
3634 		if (mode->clock != clock1)
3635 			newmode->clock = clock1;
3636 		else
3637 			newmode->clock = clock2;
3638 
3639 		list_add_tail(&newmode->head, &list);
3640 	}
3641 
3642 	list_for_each_entry_safe(mode, tmp, &list, head) {
3643 		list_del(&mode->head);
3644 		drm_mode_probed_add(connector, mode);
3645 		modes++;
3646 	}
3647 
3648 	return modes;
3649 }
3650 
3651 static u8 svd_to_vic(u8 svd)
3652 {
3653 	/* 0-6 bit vic, 7th bit native mode indicator */
3654 	if ((svd >= 1 &&  svd <= 64) || (svd >= 129 && svd <= 192))
3655 		return svd & 127;
3656 
3657 	return svd;
3658 }
3659 
3660 static struct drm_display_mode *
3661 drm_display_mode_from_vic_index(struct drm_connector *connector,
3662 				const u8 *video_db, u8 video_len,
3663 				u8 video_index)
3664 {
3665 	struct drm_device *dev = connector->dev;
3666 	struct drm_display_mode *newmode;
3667 	u8 vic;
3668 
3669 	if (video_db == NULL || video_index >= video_len)
3670 		return NULL;
3671 
3672 	/* CEA modes are numbered 1..127 */
3673 	vic = svd_to_vic(video_db[video_index]);
3674 	if (!drm_valid_cea_vic(vic))
3675 		return NULL;
3676 
3677 	newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3678 	if (!newmode)
3679 		return NULL;
3680 
3681 	return newmode;
3682 }
3683 
3684 /*
3685  * do_y420vdb_modes - Parse YCBCR 420 only modes
3686  * @connector: connector corresponding to the HDMI sink
3687  * @svds: start of the data block of CEA YCBCR 420 VDB
3688  * @len: length of the CEA YCBCR 420 VDB
3689  *
3690  * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB)
3691  * which contains modes which can be supported in YCBCR 420
3692  * output format only.
3693  */
3694 static int do_y420vdb_modes(struct drm_connector *connector,
3695 			    const u8 *svds, u8 svds_len)
3696 {
3697 	int modes = 0, i;
3698 	struct drm_device *dev = connector->dev;
3699 	struct drm_display_info *info = &connector->display_info;
3700 	struct drm_hdmi_info *hdmi = &info->hdmi;
3701 
3702 	for (i = 0; i < svds_len; i++) {
3703 		u8 vic = svd_to_vic(svds[i]);
3704 		struct drm_display_mode *newmode;
3705 
3706 		if (!drm_valid_cea_vic(vic))
3707 			continue;
3708 
3709 		newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3710 		if (!newmode)
3711 			break;
3712 		bitmap_set(hdmi->y420_vdb_modes, vic, 1);
3713 		drm_mode_probed_add(connector, newmode);
3714 		modes++;
3715 	}
3716 
3717 	if (modes > 0)
3718 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
3719 	return modes;
3720 }
3721 
3722 /*
3723  * drm_add_cmdb_modes - Add a YCBCR 420 mode into bitmap
3724  * @connector: connector corresponding to the HDMI sink
3725  * @vic: CEA vic for the video mode to be added in the map
3726  *
3727  * Makes an entry for a videomode in the YCBCR 420 bitmap
3728  */
3729 static void
3730 drm_add_cmdb_modes(struct drm_connector *connector, u8 svd)
3731 {
3732 	u8 vic = svd_to_vic(svd);
3733 	struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3734 
3735 	if (!drm_valid_cea_vic(vic))
3736 		return;
3737 
3738 	bitmap_set(hdmi->y420_cmdb_modes, vic, 1);
3739 }
3740 
3741 static int
3742 do_cea_modes(struct drm_connector *connector, const u8 *db, u8 len)
3743 {
3744 	int i, modes = 0;
3745 	struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3746 
3747 	for (i = 0; i < len; i++) {
3748 		struct drm_display_mode *mode;
3749 
3750 		mode = drm_display_mode_from_vic_index(connector, db, len, i);
3751 		if (mode) {
3752 			/*
3753 			 * YCBCR420 capability block contains a bitmap which
3754 			 * gives the index of CEA modes from CEA VDB, which
3755 			 * can support YCBCR 420 sampling output also (apart
3756 			 * from RGB/YCBCR444 etc).
3757 			 * For example, if the bit 0 in bitmap is set,
3758 			 * first mode in VDB can support YCBCR420 output too.
3759 			 * Add YCBCR420 modes only if sink is HDMI 2.0 capable.
3760 			 */
3761 			if (i < 64 && hdmi->y420_cmdb_map & (1ULL << i))
3762 				drm_add_cmdb_modes(connector, db[i]);
3763 
3764 			drm_mode_probed_add(connector, mode);
3765 			modes++;
3766 		}
3767 	}
3768 
3769 	return modes;
3770 }
3771 
3772 struct stereo_mandatory_mode {
3773 	int width, height, vrefresh;
3774 	unsigned int flags;
3775 };
3776 
3777 static const struct stereo_mandatory_mode stereo_mandatory_modes[] = {
3778 	{ 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3779 	{ 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING },
3780 	{ 1920, 1080, 50,
3781 	  DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3782 	{ 1920, 1080, 60,
3783 	  DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3784 	{ 1280, 720,  50, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3785 	{ 1280, 720,  50, DRM_MODE_FLAG_3D_FRAME_PACKING },
3786 	{ 1280, 720,  60, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3787 	{ 1280, 720,  60, DRM_MODE_FLAG_3D_FRAME_PACKING }
3788 };
3789 
3790 static bool
3791 stereo_match_mandatory(const struct drm_display_mode *mode,
3792 		       const struct stereo_mandatory_mode *stereo_mode)
3793 {
3794 	unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;
3795 
3796 	return mode->hdisplay == stereo_mode->width &&
3797 	       mode->vdisplay == stereo_mode->height &&
3798 	       interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) &&
3799 	       drm_mode_vrefresh(mode) == stereo_mode->vrefresh;
3800 }
3801 
3802 static int add_hdmi_mandatory_stereo_modes(struct drm_connector *connector)
3803 {
3804 	struct drm_device *dev = connector->dev;
3805 	const struct drm_display_mode *mode;
3806 	struct list_head stereo_modes;
3807 	int modes = 0, i;
3808 
3809 	INIT_LIST_HEAD(&stereo_modes);
3810 
3811 	list_for_each_entry(mode, &connector->probed_modes, head) {
3812 		for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) {
3813 			const struct stereo_mandatory_mode *mandatory;
3814 			struct drm_display_mode *new_mode;
3815 
3816 			if (!stereo_match_mandatory(mode,
3817 						    &stereo_mandatory_modes[i]))
3818 				continue;
3819 
3820 			mandatory = &stereo_mandatory_modes[i];
3821 			new_mode = drm_mode_duplicate(dev, mode);
3822 			if (!new_mode)
3823 				continue;
3824 
3825 			new_mode->flags |= mandatory->flags;
3826 			list_add_tail(&new_mode->head, &stereo_modes);
3827 			modes++;
3828 		}
3829 	}
3830 
3831 	list_splice_tail(&stereo_modes, &connector->probed_modes);
3832 
3833 	return modes;
3834 }
3835 
3836 static int add_hdmi_mode(struct drm_connector *connector, u8 vic)
3837 {
3838 	struct drm_device *dev = connector->dev;
3839 	struct drm_display_mode *newmode;
3840 
3841 	if (!drm_valid_hdmi_vic(vic)) {
3842 		DRM_ERROR("Unknown HDMI VIC: %d\n", vic);
3843 		return 0;
3844 	}
3845 
3846 	newmode = drm_mode_duplicate(dev, &edid_4k_modes[vic]);
3847 	if (!newmode)
3848 		return 0;
3849 
3850 	drm_mode_probed_add(connector, newmode);
3851 
3852 	return 1;
3853 }
3854 
3855 static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
3856 			       const u8 *video_db, u8 video_len, u8 video_index)
3857 {
3858 	struct drm_display_mode *newmode;
3859 	int modes = 0;
3860 
3861 	if (structure & (1 << 0)) {
3862 		newmode = drm_display_mode_from_vic_index(connector, video_db,
3863 							  video_len,
3864 							  video_index);
3865 		if (newmode) {
3866 			newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING;
3867 			drm_mode_probed_add(connector, newmode);
3868 			modes++;
3869 		}
3870 	}
3871 	if (structure & (1 << 6)) {
3872 		newmode = drm_display_mode_from_vic_index(connector, video_db,
3873 							  video_len,
3874 							  video_index);
3875 		if (newmode) {
3876 			newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
3877 			drm_mode_probed_add(connector, newmode);
3878 			modes++;
3879 		}
3880 	}
3881 	if (structure & (1 << 8)) {
3882 		newmode = drm_display_mode_from_vic_index(connector, video_db,
3883 							  video_len,
3884 							  video_index);
3885 		if (newmode) {
3886 			newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3887 			drm_mode_probed_add(connector, newmode);
3888 			modes++;
3889 		}
3890 	}
3891 
3892 	return modes;
3893 }
3894 
3895 /*
3896  * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block
3897  * @connector: connector corresponding to the HDMI sink
3898  * @db: start of the CEA vendor specific block
3899  * @len: length of the CEA block payload, ie. one can access up to db[len]
3900  *
3901  * Parses the HDMI VSDB looking for modes to add to @connector. This function
3902  * also adds the stereo 3d modes when applicable.
3903  */
3904 static int
3905 do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len,
3906 		   const u8 *video_db, u8 video_len)
3907 {
3908 	struct drm_display_info *info = &connector->display_info;
3909 	int modes = 0, offset = 0, i, multi_present = 0, multi_len;
3910 	u8 vic_len, hdmi_3d_len = 0;
3911 	u16 mask;
3912 	u16 structure_all;
3913 
3914 	if (len < 8)
3915 		goto out;
3916 
3917 	/* no HDMI_Video_Present */
3918 	if (!(db[8] & (1 << 5)))
3919 		goto out;
3920 
3921 	/* Latency_Fields_Present */
3922 	if (db[8] & (1 << 7))
3923 		offset += 2;
3924 
3925 	/* I_Latency_Fields_Present */
3926 	if (db[8] & (1 << 6))
3927 		offset += 2;
3928 
3929 	/* the declared length is not long enough for the 2 first bytes
3930 	 * of additional video format capabilities */
3931 	if (len < (8 + offset + 2))
3932 		goto out;
3933 
3934 	/* 3D_Present */
3935 	offset++;
3936 	if (db[8 + offset] & (1 << 7)) {
3937 		modes += add_hdmi_mandatory_stereo_modes(connector);
3938 
3939 		/* 3D_Multi_present */
3940 		multi_present = (db[8 + offset] & 0x60) >> 5;
3941 	}
3942 
3943 	offset++;
3944 	vic_len = db[8 + offset] >> 5;
3945 	hdmi_3d_len = db[8 + offset] & 0x1f;
3946 
3947 	for (i = 0; i < vic_len && len >= (9 + offset + i); i++) {
3948 		u8 vic;
3949 
3950 		vic = db[9 + offset + i];
3951 		modes += add_hdmi_mode(connector, vic);
3952 	}
3953 	offset += 1 + vic_len;
3954 
3955 	if (multi_present == 1)
3956 		multi_len = 2;
3957 	else if (multi_present == 2)
3958 		multi_len = 4;
3959 	else
3960 		multi_len = 0;
3961 
3962 	if (len < (8 + offset + hdmi_3d_len - 1))
3963 		goto out;
3964 
3965 	if (hdmi_3d_len < multi_len)
3966 		goto out;
3967 
3968 	if (multi_present == 1 || multi_present == 2) {
3969 		/* 3D_Structure_ALL */
3970 		structure_all = (db[8 + offset] << 8) | db[9 + offset];
3971 
3972 		/* check if 3D_MASK is present */
3973 		if (multi_present == 2)
3974 			mask = (db[10 + offset] << 8) | db[11 + offset];
3975 		else
3976 			mask = 0xffff;
3977 
3978 		for (i = 0; i < 16; i++) {
3979 			if (mask & (1 << i))
3980 				modes += add_3d_struct_modes(connector,
3981 						structure_all,
3982 						video_db,
3983 						video_len, i);
3984 		}
3985 	}
3986 
3987 	offset += multi_len;
3988 
3989 	for (i = 0; i < (hdmi_3d_len - multi_len); i++) {
3990 		int vic_index;
3991 		struct drm_display_mode *newmode = NULL;
3992 		unsigned int newflag = 0;
3993 		bool detail_present;
3994 
3995 		detail_present = ((db[8 + offset + i] & 0x0f) > 7);
3996 
3997 		if (detail_present && (i + 1 == hdmi_3d_len - multi_len))
3998 			break;
3999 
4000 		/* 2D_VIC_order_X */
4001 		vic_index = db[8 + offset + i] >> 4;
4002 
4003 		/* 3D_Structure_X */
4004 		switch (db[8 + offset + i] & 0x0f) {
4005 		case 0:
4006 			newflag = DRM_MODE_FLAG_3D_FRAME_PACKING;
4007 			break;
4008 		case 6:
4009 			newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
4010 			break;
4011 		case 8:
4012 			/* 3D_Detail_X */
4013 			if ((db[9 + offset + i] >> 4) == 1)
4014 				newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
4015 			break;
4016 		}
4017 
4018 		if (newflag != 0) {
4019 			newmode = drm_display_mode_from_vic_index(connector,
4020 								  video_db,
4021 								  video_len,
4022 								  vic_index);
4023 
4024 			if (newmode) {
4025 				newmode->flags |= newflag;
4026 				drm_mode_probed_add(connector, newmode);
4027 				modes++;
4028 			}
4029 		}
4030 
4031 		if (detail_present)
4032 			i++;
4033 	}
4034 
4035 out:
4036 	if (modes > 0)
4037 		info->has_hdmi_infoframe = true;
4038 	return modes;
4039 }
4040 
4041 static int
4042 cea_db_payload_len(const u8 *db)
4043 {
4044 	return db[0] & 0x1f;
4045 }
4046 
4047 static int
4048 cea_db_extended_tag(const u8 *db)
4049 {
4050 	return db[1];
4051 }
4052 
4053 static int
4054 cea_db_tag(const u8 *db)
4055 {
4056 	return db[0] >> 5;
4057 }
4058 
4059 static int
4060 cea_revision(const u8 *cea)
4061 {
4062 	/*
4063 	 * FIXME is this correct for the DispID variant?
4064 	 * The DispID spec doesn't really specify whether
4065 	 * this is the revision of the CEA extension or
4066 	 * the DispID CEA data block. And the only value
4067 	 * given as an example is 0.
4068 	 */
4069 	return cea[1];
4070 }
4071 
4072 static int
4073 cea_db_offsets(const u8 *cea, int *start, int *end)
4074 {
4075 	/* DisplayID CTA extension blocks and top-level CEA EDID
4076 	 * block header definitions differ in the following bytes:
4077 	 *   1) Byte 2 of the header specifies length differently,
4078 	 *   2) Byte 3 is only present in the CEA top level block.
4079 	 *
4080 	 * The different definitions for byte 2 follow.
4081 	 *
4082 	 * DisplayID CTA extension block defines byte 2 as:
4083 	 *   Number of payload bytes
4084 	 *
4085 	 * CEA EDID block defines byte 2 as:
4086 	 *   Byte number (decimal) within this block where the 18-byte
4087 	 *   DTDs begin. If no non-DTD data is present in this extension
4088 	 *   block, the value should be set to 04h (the byte after next).
4089 	 *   If set to 00h, there are no DTDs present in this block and
4090 	 *   no non-DTD data.
4091 	 */
4092 	if (cea[0] == DATA_BLOCK_CTA) {
4093 		/*
4094 		 * for_each_displayid_db() has already verified
4095 		 * that these stay within expected bounds.
4096 		 */
4097 		*start = 3;
4098 		*end = *start + cea[2];
4099 	} else if (cea[0] == CEA_EXT) {
4100 		/* Data block offset in CEA extension block */
4101 		*start = 4;
4102 		*end = cea[2];
4103 		if (*end == 0)
4104 			*end = 127;
4105 		if (*end < 4 || *end > 127)
4106 			return -ERANGE;
4107 	} else {
4108 		return -EOPNOTSUPP;
4109 	}
4110 
4111 	return 0;
4112 }
4113 
4114 static bool cea_db_is_hdmi_vsdb(const u8 *db)
4115 {
4116 	int hdmi_id;
4117 
4118 	if (cea_db_tag(db) != VENDOR_BLOCK)
4119 		return false;
4120 
4121 	if (cea_db_payload_len(db) < 5)
4122 		return false;
4123 
4124 	hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16);
4125 
4126 	return hdmi_id == HDMI_IEEE_OUI;
4127 }
4128 
4129 static bool cea_db_is_hdmi_forum_vsdb(const u8 *db)
4130 {
4131 	unsigned int oui;
4132 
4133 	if (cea_db_tag(db) != VENDOR_BLOCK)
4134 		return false;
4135 
4136 	if (cea_db_payload_len(db) < 7)
4137 		return false;
4138 
4139 	oui = db[3] << 16 | db[2] << 8 | db[1];
4140 
4141 	return oui == HDMI_FORUM_IEEE_OUI;
4142 }
4143 
4144 static bool cea_db_is_vcdb(const u8 *db)
4145 {
4146 	if (cea_db_tag(db) != USE_EXTENDED_TAG)
4147 		return false;
4148 
4149 	if (cea_db_payload_len(db) != 2)
4150 		return false;
4151 
4152 	if (cea_db_extended_tag(db) != EXT_VIDEO_CAPABILITY_BLOCK)
4153 		return false;
4154 
4155 	return true;
4156 }
4157 
4158 static bool cea_db_is_y420cmdb(const u8 *db)
4159 {
4160 	if (cea_db_tag(db) != USE_EXTENDED_TAG)
4161 		return false;
4162 
4163 	if (!cea_db_payload_len(db))
4164 		return false;
4165 
4166 	if (cea_db_extended_tag(db) != EXT_VIDEO_CAP_BLOCK_Y420CMDB)
4167 		return false;
4168 
4169 	return true;
4170 }
4171 
4172 static bool cea_db_is_y420vdb(const u8 *db)
4173 {
4174 	if (cea_db_tag(db) != USE_EXTENDED_TAG)
4175 		return false;
4176 
4177 	if (!cea_db_payload_len(db))
4178 		return false;
4179 
4180 	if (cea_db_extended_tag(db) != EXT_VIDEO_DATA_BLOCK_420)
4181 		return false;
4182 
4183 	return true;
4184 }
4185 
4186 #define for_each_cea_db(cea, i, start, end) \
4187 	for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1)
4188 
4189 static void drm_parse_y420cmdb_bitmap(struct drm_connector *connector,
4190 				      const u8 *db)
4191 {
4192 	struct drm_display_info *info = &connector->display_info;
4193 	struct drm_hdmi_info *hdmi = &info->hdmi;
4194 	u8 map_len = cea_db_payload_len(db) - 1;
4195 	u8 count;
4196 	u64 map = 0;
4197 
4198 	if (map_len == 0) {
4199 		/* All CEA modes support ycbcr420 sampling also.*/
4200 		hdmi->y420_cmdb_map = U64_MAX;
4201 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4202 		return;
4203 	}
4204 
4205 	/*
4206 	 * This map indicates which of the existing CEA block modes
4207 	 * from VDB can support YCBCR420 output too. So if bit=0 is
4208 	 * set, first mode from VDB can support YCBCR420 output too.
4209 	 * We will parse and keep this map, before parsing VDB itself
4210 	 * to avoid going through the same block again and again.
4211 	 *
4212 	 * Spec is not clear about max possible size of this block.
4213 	 * Clamping max bitmap block size at 8 bytes. Every byte can
4214 	 * address 8 CEA modes, in this way this map can address
4215 	 * 8*8 = first 64 SVDs.
4216 	 */
4217 	if (WARN_ON_ONCE(map_len > 8))
4218 		map_len = 8;
4219 
4220 	for (count = 0; count < map_len; count++)
4221 		map |= (u64)db[2 + count] << (8 * count);
4222 
4223 	if (map)
4224 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4225 
4226 	hdmi->y420_cmdb_map = map;
4227 }
4228 
4229 static int
4230 add_cea_modes(struct drm_connector *connector, struct edid *edid)
4231 {
4232 	const u8 *cea = drm_find_cea_extension(edid);
4233 	const u8 *db, *hdmi = NULL, *video = NULL;
4234 	u8 dbl, hdmi_len, video_len = 0;
4235 	int modes = 0;
4236 
4237 	if (cea && cea_revision(cea) >= 3) {
4238 		int i, start, end;
4239 
4240 		if (cea_db_offsets(cea, &start, &end))
4241 			return 0;
4242 
4243 		for_each_cea_db(cea, i, start, end) {
4244 			db = &cea[i];
4245 			dbl = cea_db_payload_len(db);
4246 
4247 			if (cea_db_tag(db) == VIDEO_BLOCK) {
4248 				video = db + 1;
4249 				video_len = dbl;
4250 				modes += do_cea_modes(connector, video, dbl);
4251 			} else if (cea_db_is_hdmi_vsdb(db)) {
4252 				hdmi = db;
4253 				hdmi_len = dbl;
4254 			} else if (cea_db_is_y420vdb(db)) {
4255 				const u8 *vdb420 = &db[2];
4256 
4257 				/* Add 4:2:0(only) modes present in EDID */
4258 				modes += do_y420vdb_modes(connector,
4259 							  vdb420,
4260 							  dbl - 1);
4261 			}
4262 		}
4263 	}
4264 
4265 	/*
4266 	 * We parse the HDMI VSDB after having added the cea modes as we will
4267 	 * be patching their flags when the sink supports stereo 3D.
4268 	 */
4269 	if (hdmi)
4270 		modes += do_hdmi_vsdb_modes(connector, hdmi, hdmi_len, video,
4271 					    video_len);
4272 
4273 	return modes;
4274 }
4275 
4276 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode)
4277 {
4278 	const struct drm_display_mode *cea_mode;
4279 	int clock1, clock2, clock;
4280 	u8 vic;
4281 	const char *type;
4282 
4283 	/*
4284 	 * allow 5kHz clock difference either way to account for
4285 	 * the 10kHz clock resolution limit of detailed timings.
4286 	 */
4287 	vic = drm_match_cea_mode_clock_tolerance(mode, 5);
4288 	if (drm_valid_cea_vic(vic)) {
4289 		type = "CEA";
4290 		cea_mode = cea_mode_for_vic(vic);
4291 		clock1 = cea_mode->clock;
4292 		clock2 = cea_mode_alternate_clock(cea_mode);
4293 	} else {
4294 		vic = drm_match_hdmi_mode_clock_tolerance(mode, 5);
4295 		if (drm_valid_hdmi_vic(vic)) {
4296 			type = "HDMI";
4297 			cea_mode = &edid_4k_modes[vic];
4298 			clock1 = cea_mode->clock;
4299 			clock2 = hdmi_mode_alternate_clock(cea_mode);
4300 		} else {
4301 			return;
4302 		}
4303 	}
4304 
4305 	/* pick whichever is closest */
4306 	if (abs(mode->clock - clock1) < abs(mode->clock - clock2))
4307 		clock = clock1;
4308 	else
4309 		clock = clock2;
4310 
4311 	if (mode->clock == clock)
4312 		return;
4313 
4314 	DRM_DEBUG("detailed mode matches %s VIC %d, adjusting clock %d -> %d\n",
4315 		  type, vic, mode->clock, clock);
4316 	mode->clock = clock;
4317 }
4318 
4319 static bool cea_db_is_hdmi_hdr_metadata_block(const u8 *db)
4320 {
4321 	if (cea_db_tag(db) != USE_EXTENDED_TAG)
4322 		return false;
4323 
4324 	if (db[1] != HDR_STATIC_METADATA_BLOCK)
4325 		return false;
4326 
4327 	if (cea_db_payload_len(db) < 3)
4328 		return false;
4329 
4330 	return true;
4331 }
4332 
4333 static uint8_t eotf_supported(const u8 *edid_ext)
4334 {
4335 	return edid_ext[2] &
4336 		(BIT(HDMI_EOTF_TRADITIONAL_GAMMA_SDR) |
4337 		 BIT(HDMI_EOTF_TRADITIONAL_GAMMA_HDR) |
4338 		 BIT(HDMI_EOTF_SMPTE_ST2084) |
4339 		 BIT(HDMI_EOTF_BT_2100_HLG));
4340 }
4341 
4342 static uint8_t hdr_metadata_type(const u8 *edid_ext)
4343 {
4344 	return edid_ext[3] &
4345 		BIT(HDMI_STATIC_METADATA_TYPE1);
4346 }
4347 
4348 static void
4349 drm_parse_hdr_metadata_block(struct drm_connector *connector, const u8 *db)
4350 {
4351 	u16 len;
4352 
4353 	len = cea_db_payload_len(db);
4354 
4355 	connector->hdr_sink_metadata.hdmi_type1.eotf =
4356 						eotf_supported(db);
4357 	connector->hdr_sink_metadata.hdmi_type1.metadata_type =
4358 						hdr_metadata_type(db);
4359 
4360 	if (len >= 4)
4361 		connector->hdr_sink_metadata.hdmi_type1.max_cll = db[4];
4362 	if (len >= 5)
4363 		connector->hdr_sink_metadata.hdmi_type1.max_fall = db[5];
4364 	if (len >= 6)
4365 		connector->hdr_sink_metadata.hdmi_type1.min_cll = db[6];
4366 }
4367 
4368 static void
4369 drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db)
4370 {
4371 	u8 len = cea_db_payload_len(db);
4372 
4373 	if (len >= 6 && (db[6] & (1 << 7)))
4374 		connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI;
4375 	if (len >= 8) {
4376 		connector->latency_present[0] = db[8] >> 7;
4377 		connector->latency_present[1] = (db[8] >> 6) & 1;
4378 	}
4379 	if (len >= 9)
4380 		connector->video_latency[0] = db[9];
4381 	if (len >= 10)
4382 		connector->audio_latency[0] = db[10];
4383 	if (len >= 11)
4384 		connector->video_latency[1] = db[11];
4385 	if (len >= 12)
4386 		connector->audio_latency[1] = db[12];
4387 
4388 	DRM_DEBUG_KMS("HDMI: latency present %d %d, "
4389 		      "video latency %d %d, "
4390 		      "audio latency %d %d\n",
4391 		      connector->latency_present[0],
4392 		      connector->latency_present[1],
4393 		      connector->video_latency[0],
4394 		      connector->video_latency[1],
4395 		      connector->audio_latency[0],
4396 		      connector->audio_latency[1]);
4397 }
4398 
4399 static void
4400 monitor_name(struct detailed_timing *t, void *data)
4401 {
4402 	if (!is_display_descriptor((const u8 *)t, EDID_DETAIL_MONITOR_NAME))
4403 		return;
4404 
4405 	*(u8 **)data = t->data.other_data.data.str.str;
4406 }
4407 
4408 static int get_monitor_name(struct edid *edid, char name[13])
4409 {
4410 	char *edid_name = NULL;
4411 	int mnl;
4412 
4413 	if (!edid || !name)
4414 		return 0;
4415 
4416 	drm_for_each_detailed_block((u8 *)edid, monitor_name, &edid_name);
4417 	for (mnl = 0; edid_name && mnl < 13; mnl++) {
4418 		if (edid_name[mnl] == 0x0a)
4419 			break;
4420 
4421 		name[mnl] = edid_name[mnl];
4422 	}
4423 
4424 	return mnl;
4425 }
4426 
4427 /**
4428  * drm_edid_get_monitor_name - fetch the monitor name from the edid
4429  * @edid: monitor EDID information
4430  * @name: pointer to a character array to hold the name of the monitor
4431  * @bufsize: The size of the name buffer (should be at least 14 chars.)
4432  *
4433  */
4434 void drm_edid_get_monitor_name(struct edid *edid, char *name, int bufsize)
4435 {
4436 	int name_length;
4437 	char buf[13];
4438 
4439 	if (bufsize <= 0)
4440 		return;
4441 
4442 	name_length = min(get_monitor_name(edid, buf), bufsize - 1);
4443 	memcpy(name, buf, name_length);
4444 	name[name_length] = '\0';
4445 }
4446 EXPORT_SYMBOL(drm_edid_get_monitor_name);
4447 
4448 static void clear_eld(struct drm_connector *connector)
4449 {
4450 	memset(connector->eld, 0, sizeof(connector->eld));
4451 
4452 	connector->latency_present[0] = false;
4453 	connector->latency_present[1] = false;
4454 	connector->video_latency[0] = 0;
4455 	connector->audio_latency[0] = 0;
4456 	connector->video_latency[1] = 0;
4457 	connector->audio_latency[1] = 0;
4458 }
4459 
4460 /*
4461  * drm_edid_to_eld - build ELD from EDID
4462  * @connector: connector corresponding to the HDMI/DP sink
4463  * @edid: EDID to parse
4464  *
4465  * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
4466  * HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
4467  */
4468 static void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
4469 {
4470 	uint8_t *eld = connector->eld;
4471 	u8 *cea;
4472 	u8 *db;
4473 	int total_sad_count = 0;
4474 	int mnl;
4475 	int dbl;
4476 
4477 	clear_eld(connector);
4478 
4479 	if (!edid)
4480 		return;
4481 
4482 	cea = drm_find_cea_extension(edid);
4483 	if (!cea) {
4484 		DRM_DEBUG_KMS("ELD: no CEA Extension found\n");
4485 		return;
4486 	}
4487 
4488 	mnl = get_monitor_name(edid, &eld[DRM_ELD_MONITOR_NAME_STRING]);
4489 	DRM_DEBUG_KMS("ELD monitor %s\n", &eld[DRM_ELD_MONITOR_NAME_STRING]);
4490 
4491 	eld[DRM_ELD_CEA_EDID_VER_MNL] = cea[1] << DRM_ELD_CEA_EDID_VER_SHIFT;
4492 	eld[DRM_ELD_CEA_EDID_VER_MNL] |= mnl;
4493 
4494 	eld[DRM_ELD_VER] = DRM_ELD_VER_CEA861D;
4495 
4496 	eld[DRM_ELD_MANUFACTURER_NAME0] = edid->mfg_id[0];
4497 	eld[DRM_ELD_MANUFACTURER_NAME1] = edid->mfg_id[1];
4498 	eld[DRM_ELD_PRODUCT_CODE0] = edid->prod_code[0];
4499 	eld[DRM_ELD_PRODUCT_CODE1] = edid->prod_code[1];
4500 
4501 	if (cea_revision(cea) >= 3) {
4502 		int i, start, end;
4503 		int sad_count;
4504 
4505 		if (cea_db_offsets(cea, &start, &end)) {
4506 			start = 0;
4507 			end = 0;
4508 		}
4509 
4510 		for_each_cea_db(cea, i, start, end) {
4511 			db = &cea[i];
4512 			dbl = cea_db_payload_len(db);
4513 
4514 			switch (cea_db_tag(db)) {
4515 			case AUDIO_BLOCK:
4516 				/* Audio Data Block, contains SADs */
4517 				sad_count = min(dbl / 3, 15 - total_sad_count);
4518 				if (sad_count >= 1)
4519 					memcpy(&eld[DRM_ELD_CEA_SAD(mnl, total_sad_count)],
4520 					       &db[1], sad_count * 3);
4521 				total_sad_count += sad_count;
4522 				break;
4523 			case SPEAKER_BLOCK:
4524 				/* Speaker Allocation Data Block */
4525 				if (dbl >= 1)
4526 					eld[DRM_ELD_SPEAKER] = db[1];
4527 				break;
4528 			case VENDOR_BLOCK:
4529 				/* HDMI Vendor-Specific Data Block */
4530 				if (cea_db_is_hdmi_vsdb(db))
4531 					drm_parse_hdmi_vsdb_audio(connector, db);
4532 				break;
4533 			default:
4534 				break;
4535 			}
4536 		}
4537 	}
4538 	eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= total_sad_count << DRM_ELD_SAD_COUNT_SHIFT;
4539 
4540 	if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
4541 	    connector->connector_type == DRM_MODE_CONNECTOR_eDP)
4542 		eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_DP;
4543 	else
4544 		eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_HDMI;
4545 
4546 	eld[DRM_ELD_BASELINE_ELD_LEN] =
4547 		DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4);
4548 
4549 	DRM_DEBUG_KMS("ELD size %d, SAD count %d\n",
4550 		      drm_eld_size(eld), total_sad_count);
4551 }
4552 
4553 /**
4554  * drm_edid_to_sad - extracts SADs from EDID
4555  * @edid: EDID to parse
4556  * @sads: pointer that will be set to the extracted SADs
4557  *
4558  * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it.
4559  *
4560  * Note: The returned pointer needs to be freed using kfree().
4561  *
4562  * Return: The number of found SADs or negative number on error.
4563  */
4564 int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads)
4565 {
4566 	int count = 0;
4567 	int i, start, end, dbl;
4568 	u8 *cea;
4569 
4570 	cea = drm_find_cea_extension(edid);
4571 	if (!cea) {
4572 		DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4573 		return 0;
4574 	}
4575 
4576 	if (cea_revision(cea) < 3) {
4577 		DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4578 		return 0;
4579 	}
4580 
4581 	if (cea_db_offsets(cea, &start, &end)) {
4582 		DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4583 		return -EPROTO;
4584 	}
4585 
4586 	for_each_cea_db(cea, i, start, end) {
4587 		u8 *db = &cea[i];
4588 
4589 		if (cea_db_tag(db) == AUDIO_BLOCK) {
4590 			int j;
4591 
4592 			dbl = cea_db_payload_len(db);
4593 
4594 			count = dbl / 3; /* SAD is 3B */
4595 			*sads = kcalloc(count, sizeof(**sads), GFP_KERNEL);
4596 			if (!*sads)
4597 				return -ENOMEM;
4598 			for (j = 0; j < count; j++) {
4599 				u8 *sad = &db[1 + j * 3];
4600 
4601 				(*sads)[j].format = (sad[0] & 0x78) >> 3;
4602 				(*sads)[j].channels = sad[0] & 0x7;
4603 				(*sads)[j].freq = sad[1] & 0x7F;
4604 				(*sads)[j].byte2 = sad[2];
4605 			}
4606 			break;
4607 		}
4608 	}
4609 
4610 	return count;
4611 }
4612 EXPORT_SYMBOL(drm_edid_to_sad);
4613 
4614 /**
4615  * drm_edid_to_speaker_allocation - extracts Speaker Allocation Data Blocks from EDID
4616  * @edid: EDID to parse
4617  * @sadb: pointer to the speaker block
4618  *
4619  * Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it.
4620  *
4621  * Note: The returned pointer needs to be freed using kfree().
4622  *
4623  * Return: The number of found Speaker Allocation Blocks or negative number on
4624  * error.
4625  */
4626 int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb)
4627 {
4628 	int count = 0;
4629 	int i, start, end, dbl;
4630 	const u8 *cea;
4631 
4632 	cea = drm_find_cea_extension(edid);
4633 	if (!cea) {
4634 		DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4635 		return 0;
4636 	}
4637 
4638 	if (cea_revision(cea) < 3) {
4639 		DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4640 		return 0;
4641 	}
4642 
4643 	if (cea_db_offsets(cea, &start, &end)) {
4644 		DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4645 		return -EPROTO;
4646 	}
4647 
4648 	for_each_cea_db(cea, i, start, end) {
4649 		const u8 *db = &cea[i];
4650 
4651 		if (cea_db_tag(db) == SPEAKER_BLOCK) {
4652 			dbl = cea_db_payload_len(db);
4653 
4654 			/* Speaker Allocation Data Block */
4655 			if (dbl == 3) {
4656 				*sadb = kmemdup(&db[1], dbl, GFP_KERNEL);
4657 				if (!*sadb)
4658 					return -ENOMEM;
4659 				count = dbl;
4660 				break;
4661 			}
4662 		}
4663 	}
4664 
4665 	return count;
4666 }
4667 EXPORT_SYMBOL(drm_edid_to_speaker_allocation);
4668 
4669 /**
4670  * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay
4671  * @connector: connector associated with the HDMI/DP sink
4672  * @mode: the display mode
4673  *
4674  * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if
4675  * the sink doesn't support audio or video.
4676  */
4677 int drm_av_sync_delay(struct drm_connector *connector,
4678 		      const struct drm_display_mode *mode)
4679 {
4680 	int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
4681 	int a, v;
4682 
4683 	if (!connector->latency_present[0])
4684 		return 0;
4685 	if (!connector->latency_present[1])
4686 		i = 0;
4687 
4688 	a = connector->audio_latency[i];
4689 	v = connector->video_latency[i];
4690 
4691 	/*
4692 	 * HDMI/DP sink doesn't support audio or video?
4693 	 */
4694 	if (a == 255 || v == 255)
4695 		return 0;
4696 
4697 	/*
4698 	 * Convert raw EDID values to millisecond.
4699 	 * Treat unknown latency as 0ms.
4700 	 */
4701 	if (a)
4702 		a = min(2 * (a - 1), 500);
4703 	if (v)
4704 		v = min(2 * (v - 1), 500);
4705 
4706 	return max(v - a, 0);
4707 }
4708 EXPORT_SYMBOL(drm_av_sync_delay);
4709 
4710 /**
4711  * drm_detect_hdmi_monitor - detect whether monitor is HDMI
4712  * @edid: monitor EDID information
4713  *
4714  * Parse the CEA extension according to CEA-861-B.
4715  *
4716  * Drivers that have added the modes parsed from EDID to drm_display_info
4717  * should use &drm_display_info.is_hdmi instead of calling this function.
4718  *
4719  * Return: True if the monitor is HDMI, false if not or unknown.
4720  */
4721 bool drm_detect_hdmi_monitor(struct edid *edid)
4722 {
4723 	u8 *edid_ext;
4724 	int i;
4725 	int start_offset, end_offset;
4726 
4727 	edid_ext = drm_find_cea_extension(edid);
4728 	if (!edid_ext)
4729 		return false;
4730 
4731 	if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4732 		return false;
4733 
4734 	/*
4735 	 * Because HDMI identifier is in Vendor Specific Block,
4736 	 * search it from all data blocks of CEA extension.
4737 	 */
4738 	for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4739 		if (cea_db_is_hdmi_vsdb(&edid_ext[i]))
4740 			return true;
4741 	}
4742 
4743 	return false;
4744 }
4745 EXPORT_SYMBOL(drm_detect_hdmi_monitor);
4746 
4747 /**
4748  * drm_detect_monitor_audio - check monitor audio capability
4749  * @edid: EDID block to scan
4750  *
4751  * Monitor should have CEA extension block.
4752  * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic
4753  * audio' only. If there is any audio extension block and supported
4754  * audio format, assume at least 'basic audio' support, even if 'basic
4755  * audio' is not defined in EDID.
4756  *
4757  * Return: True if the monitor supports audio, false otherwise.
4758  */
4759 bool drm_detect_monitor_audio(struct edid *edid)
4760 {
4761 	u8 *edid_ext;
4762 	int i, j;
4763 	bool has_audio = false;
4764 	int start_offset, end_offset;
4765 
4766 	edid_ext = drm_find_cea_extension(edid);
4767 	if (!edid_ext)
4768 		goto end;
4769 
4770 	has_audio = ((edid_ext[3] & EDID_BASIC_AUDIO) != 0);
4771 
4772 	if (has_audio) {
4773 		DRM_DEBUG_KMS("Monitor has basic audio support\n");
4774 		goto end;
4775 	}
4776 
4777 	if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4778 		goto end;
4779 
4780 	for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4781 		if (cea_db_tag(&edid_ext[i]) == AUDIO_BLOCK) {
4782 			has_audio = true;
4783 			for (j = 1; j < cea_db_payload_len(&edid_ext[i]) + 1; j += 3)
4784 				DRM_DEBUG_KMS("CEA audio format %d\n",
4785 					      (edid_ext[i + j] >> 3) & 0xf);
4786 			goto end;
4787 		}
4788 	}
4789 end:
4790 	return has_audio;
4791 }
4792 EXPORT_SYMBOL(drm_detect_monitor_audio);
4793 
4794 
4795 /**
4796  * drm_default_rgb_quant_range - default RGB quantization range
4797  * @mode: display mode
4798  *
4799  * Determine the default RGB quantization range for the mode,
4800  * as specified in CEA-861.
4801  *
4802  * Return: The default RGB quantization range for the mode
4803  */
4804 enum hdmi_quantization_range
4805 drm_default_rgb_quant_range(const struct drm_display_mode *mode)
4806 {
4807 	/* All CEA modes other than VIC 1 use limited quantization range. */
4808 	return drm_match_cea_mode(mode) > 1 ?
4809 		HDMI_QUANTIZATION_RANGE_LIMITED :
4810 		HDMI_QUANTIZATION_RANGE_FULL;
4811 }
4812 EXPORT_SYMBOL(drm_default_rgb_quant_range);
4813 
4814 static void drm_parse_vcdb(struct drm_connector *connector, const u8 *db)
4815 {
4816 	struct drm_display_info *info = &connector->display_info;
4817 
4818 	DRM_DEBUG_KMS("CEA VCDB 0x%02x\n", db[2]);
4819 
4820 	if (db[2] & EDID_CEA_VCDB_QS)
4821 		info->rgb_quant_range_selectable = true;
4822 }
4823 
4824 static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector,
4825 					       const u8 *db)
4826 {
4827 	u8 dc_mask;
4828 	struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
4829 
4830 	dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK;
4831 	hdmi->y420_dc_modes = dc_mask;
4832 }
4833 
4834 static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector,
4835 				 const u8 *hf_vsdb)
4836 {
4837 	struct drm_display_info *display = &connector->display_info;
4838 	struct drm_hdmi_info *hdmi = &display->hdmi;
4839 
4840 	display->has_hdmi_infoframe = true;
4841 
4842 	if (hf_vsdb[6] & 0x80) {
4843 		hdmi->scdc.supported = true;
4844 		if (hf_vsdb[6] & 0x40)
4845 			hdmi->scdc.read_request = true;
4846 	}
4847 
4848 	/*
4849 	 * All HDMI 2.0 monitors must support scrambling at rates > 340 MHz.
4850 	 * And as per the spec, three factors confirm this:
4851 	 * * Availability of a HF-VSDB block in EDID (check)
4852 	 * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check)
4853 	 * * SCDC support available (let's check)
4854 	 * Lets check it out.
4855 	 */
4856 
4857 	if (hf_vsdb[5]) {
4858 		/* max clock is 5000 KHz times block value */
4859 		u32 max_tmds_clock = hf_vsdb[5] * 5000;
4860 		struct drm_scdc *scdc = &hdmi->scdc;
4861 
4862 		if (max_tmds_clock > 340000) {
4863 			display->max_tmds_clock = max_tmds_clock;
4864 			DRM_DEBUG_KMS("HF-VSDB: max TMDS clock %d kHz\n",
4865 				display->max_tmds_clock);
4866 		}
4867 
4868 		if (scdc->supported) {
4869 			scdc->scrambling.supported = true;
4870 
4871 			/* Few sinks support scrambling for clocks < 340M */
4872 			if ((hf_vsdb[6] & 0x8))
4873 				scdc->scrambling.low_rates = true;
4874 		}
4875 	}
4876 
4877 	drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb);
4878 }
4879 
4880 static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector,
4881 					   const u8 *hdmi)
4882 {
4883 	struct drm_display_info *info = &connector->display_info;
4884 	unsigned int dc_bpc = 0;
4885 
4886 	/* HDMI supports at least 8 bpc */
4887 	info->bpc = 8;
4888 
4889 	if (cea_db_payload_len(hdmi) < 6)
4890 		return;
4891 
4892 	if (hdmi[6] & DRM_EDID_HDMI_DC_30) {
4893 		dc_bpc = 10;
4894 		info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_30;
4895 		DRM_DEBUG("%s: HDMI sink does deep color 30.\n",
4896 			  connector->name);
4897 	}
4898 
4899 	if (hdmi[6] & DRM_EDID_HDMI_DC_36) {
4900 		dc_bpc = 12;
4901 		info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_36;
4902 		DRM_DEBUG("%s: HDMI sink does deep color 36.\n",
4903 			  connector->name);
4904 	}
4905 
4906 	if (hdmi[6] & DRM_EDID_HDMI_DC_48) {
4907 		dc_bpc = 16;
4908 		info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_48;
4909 		DRM_DEBUG("%s: HDMI sink does deep color 48.\n",
4910 			  connector->name);
4911 	}
4912 
4913 	if (dc_bpc == 0) {
4914 		DRM_DEBUG("%s: No deep color support on this HDMI sink.\n",
4915 			  connector->name);
4916 		return;
4917 	}
4918 
4919 	DRM_DEBUG("%s: Assigning HDMI sink color depth as %d bpc.\n",
4920 		  connector->name, dc_bpc);
4921 	info->bpc = dc_bpc;
4922 
4923 	/*
4924 	 * Deep color support mandates RGB444 support for all video
4925 	 * modes and forbids YCRCB422 support for all video modes per
4926 	 * HDMI 1.3 spec.
4927 	 */
4928 	info->color_formats = DRM_COLOR_FORMAT_RGB444;
4929 
4930 	/* YCRCB444 is optional according to spec. */
4931 	if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) {
4932 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
4933 		DRM_DEBUG("%s: HDMI sink does YCRCB444 in deep color.\n",
4934 			  connector->name);
4935 	}
4936 
4937 	/*
4938 	 * Spec says that if any deep color mode is supported at all,
4939 	 * then deep color 36 bit must be supported.
4940 	 */
4941 	if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) {
4942 		DRM_DEBUG("%s: HDMI sink should do DC_36, but does not!\n",
4943 			  connector->name);
4944 	}
4945 }
4946 
4947 static void
4948 drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db)
4949 {
4950 	struct drm_display_info *info = &connector->display_info;
4951 	u8 len = cea_db_payload_len(db);
4952 
4953 	info->is_hdmi = true;
4954 
4955 	if (len >= 6)
4956 		info->dvi_dual = db[6] & 1;
4957 	if (len >= 7)
4958 		info->max_tmds_clock = db[7] * 5000;
4959 
4960 	DRM_DEBUG_KMS("HDMI: DVI dual %d, "
4961 		      "max TMDS clock %d kHz\n",
4962 		      info->dvi_dual,
4963 		      info->max_tmds_clock);
4964 
4965 	drm_parse_hdmi_deep_color_info(connector, db);
4966 }
4967 
4968 static void drm_parse_cea_ext(struct drm_connector *connector,
4969 			      const struct edid *edid)
4970 {
4971 	struct drm_display_info *info = &connector->display_info;
4972 	const u8 *edid_ext;
4973 	int i, start, end;
4974 
4975 	edid_ext = drm_find_cea_extension(edid);
4976 	if (!edid_ext)
4977 		return;
4978 
4979 	info->cea_rev = edid_ext[1];
4980 
4981 	/* The existence of a CEA block should imply RGB support */
4982 	info->color_formats = DRM_COLOR_FORMAT_RGB444;
4983 	if (edid_ext[3] & EDID_CEA_YCRCB444)
4984 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
4985 	if (edid_ext[3] & EDID_CEA_YCRCB422)
4986 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
4987 
4988 	if (cea_db_offsets(edid_ext, &start, &end))
4989 		return;
4990 
4991 	for_each_cea_db(edid_ext, i, start, end) {
4992 		const u8 *db = &edid_ext[i];
4993 
4994 		if (cea_db_is_hdmi_vsdb(db))
4995 			drm_parse_hdmi_vsdb_video(connector, db);
4996 		if (cea_db_is_hdmi_forum_vsdb(db))
4997 			drm_parse_hdmi_forum_vsdb(connector, db);
4998 		if (cea_db_is_y420cmdb(db))
4999 			drm_parse_y420cmdb_bitmap(connector, db);
5000 		if (cea_db_is_vcdb(db))
5001 			drm_parse_vcdb(connector, db);
5002 		if (cea_db_is_hdmi_hdr_metadata_block(db))
5003 			drm_parse_hdr_metadata_block(connector, db);
5004 	}
5005 }
5006 
5007 static
5008 void get_monitor_range(struct detailed_timing *timing,
5009 		       void *info_monitor_range)
5010 {
5011 	struct drm_monitor_range_info *monitor_range = info_monitor_range;
5012 	const struct detailed_non_pixel *data = &timing->data.other_data;
5013 	const struct detailed_data_monitor_range *range = &data->data.range;
5014 
5015 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
5016 		return;
5017 
5018 	/*
5019 	 * Check for flag range limits only. If flag == 1 then
5020 	 * no additional timing information provided.
5021 	 * Default GTF, GTF Secondary curve and CVT are not
5022 	 * supported
5023 	 */
5024 	if (range->flags != DRM_EDID_RANGE_LIMITS_ONLY_FLAG)
5025 		return;
5026 
5027 	monitor_range->min_vfreq = range->min_vfreq;
5028 	monitor_range->max_vfreq = range->max_vfreq;
5029 }
5030 
5031 static
5032 void drm_get_monitor_range(struct drm_connector *connector,
5033 			   const struct edid *edid)
5034 {
5035 	struct drm_display_info *info = &connector->display_info;
5036 
5037 	if (!version_greater(edid, 1, 1))
5038 		return;
5039 
5040 	drm_for_each_detailed_block((u8 *)edid, get_monitor_range,
5041 				    &info->monitor_range);
5042 
5043 	DRM_DEBUG_KMS("Supported Monitor Refresh rate range is %d Hz - %d Hz\n",
5044 		      info->monitor_range.min_vfreq,
5045 		      info->monitor_range.max_vfreq);
5046 }
5047 
5048 /* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset
5049  * all of the values which would have been set from EDID
5050  */
5051 void
5052 drm_reset_display_info(struct drm_connector *connector)
5053 {
5054 	struct drm_display_info *info = &connector->display_info;
5055 
5056 	info->width_mm = 0;
5057 	info->height_mm = 0;
5058 
5059 	info->bpc = 0;
5060 	info->color_formats = 0;
5061 	info->cea_rev = 0;
5062 	info->max_tmds_clock = 0;
5063 	info->dvi_dual = false;
5064 	info->is_hdmi = false;
5065 	info->has_hdmi_infoframe = false;
5066 	info->rgb_quant_range_selectable = false;
5067 	memset(&info->hdmi, 0, sizeof(info->hdmi));
5068 
5069 	info->non_desktop = 0;
5070 	memset(&info->monitor_range, 0, sizeof(info->monitor_range));
5071 }
5072 
5073 u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid)
5074 {
5075 	struct drm_display_info *info = &connector->display_info;
5076 
5077 	u32 quirks = edid_get_quirks(edid);
5078 
5079 	drm_reset_display_info(connector);
5080 
5081 	info->width_mm = edid->width_cm * 10;
5082 	info->height_mm = edid->height_cm * 10;
5083 
5084 	info->non_desktop = !!(quirks & EDID_QUIRK_NON_DESKTOP);
5085 
5086 	drm_get_monitor_range(connector, edid);
5087 
5088 	DRM_DEBUG_KMS("non_desktop set to %d\n", info->non_desktop);
5089 
5090 	if (edid->revision < 3)
5091 		return quirks;
5092 
5093 	if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
5094 		return quirks;
5095 
5096 	drm_parse_cea_ext(connector, edid);
5097 
5098 	/*
5099 	 * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3?
5100 	 *
5101 	 * For such displays, the DFP spec 1.0, section 3.10 "EDID support"
5102 	 * tells us to assume 8 bpc color depth if the EDID doesn't have
5103 	 * extensions which tell otherwise.
5104 	 */
5105 	if (info->bpc == 0 && edid->revision == 3 &&
5106 	    edid->input & DRM_EDID_DIGITAL_DFP_1_X) {
5107 		info->bpc = 8;
5108 		DRM_DEBUG("%s: Assigning DFP sink color depth as %d bpc.\n",
5109 			  connector->name, info->bpc);
5110 	}
5111 
5112 	/* Only defined for 1.4 with digital displays */
5113 	if (edid->revision < 4)
5114 		return quirks;
5115 
5116 	switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {
5117 	case DRM_EDID_DIGITAL_DEPTH_6:
5118 		info->bpc = 6;
5119 		break;
5120 	case DRM_EDID_DIGITAL_DEPTH_8:
5121 		info->bpc = 8;
5122 		break;
5123 	case DRM_EDID_DIGITAL_DEPTH_10:
5124 		info->bpc = 10;
5125 		break;
5126 	case DRM_EDID_DIGITAL_DEPTH_12:
5127 		info->bpc = 12;
5128 		break;
5129 	case DRM_EDID_DIGITAL_DEPTH_14:
5130 		info->bpc = 14;
5131 		break;
5132 	case DRM_EDID_DIGITAL_DEPTH_16:
5133 		info->bpc = 16;
5134 		break;
5135 	case DRM_EDID_DIGITAL_DEPTH_UNDEF:
5136 	default:
5137 		info->bpc = 0;
5138 		break;
5139 	}
5140 
5141 	DRM_DEBUG("%s: Assigning EDID-1.4 digital sink color depth as %d bpc.\n",
5142 			  connector->name, info->bpc);
5143 
5144 	info->color_formats |= DRM_COLOR_FORMAT_RGB444;
5145 	if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)
5146 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5147 	if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)
5148 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
5149 	return quirks;
5150 }
5151 
5152 static int validate_displayid(u8 *displayid, int length, int idx)
5153 {
5154 	int i, dispid_length;
5155 	u8 csum = 0;
5156 	struct displayid_hdr *base;
5157 
5158 	base = (struct displayid_hdr *)&displayid[idx];
5159 
5160 	DRM_DEBUG_KMS("base revision 0x%x, length %d, %d %d\n",
5161 		      base->rev, base->bytes, base->prod_id, base->ext_count);
5162 
5163 	/* +1 for DispID checksum */
5164 	dispid_length = sizeof(*base) + base->bytes + 1;
5165 	if (dispid_length > length - idx)
5166 		return -EINVAL;
5167 
5168 	for (i = 0; i < dispid_length; i++)
5169 		csum += displayid[idx + i];
5170 	if (csum) {
5171 		DRM_NOTE("DisplayID checksum invalid, remainder is %d\n", csum);
5172 		return -EINVAL;
5173 	}
5174 
5175 	return 0;
5176 }
5177 
5178 static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev,
5179 							    struct displayid_detailed_timings_1 *timings)
5180 {
5181 	struct drm_display_mode *mode;
5182 	unsigned pixel_clock = (timings->pixel_clock[0] |
5183 				(timings->pixel_clock[1] << 8) |
5184 				(timings->pixel_clock[2] << 16)) + 1;
5185 	unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;
5186 	unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;
5187 	unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1;
5188 	unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1;
5189 	unsigned vactive = (timings->vactive[0] | timings->vactive[1] << 8) + 1;
5190 	unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1;
5191 	unsigned vsync = (timings->vsync[0] | (timings->vsync[1] & 0x7f) << 8) + 1;
5192 	unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1;
5193 	bool hsync_positive = (timings->hsync[1] >> 7) & 0x1;
5194 	bool vsync_positive = (timings->vsync[1] >> 7) & 0x1;
5195 
5196 	mode = drm_mode_create(dev);
5197 	if (!mode)
5198 		return NULL;
5199 
5200 	mode->clock = pixel_clock * 10;
5201 	mode->hdisplay = hactive;
5202 	mode->hsync_start = mode->hdisplay + hsync;
5203 	mode->hsync_end = mode->hsync_start + hsync_width;
5204 	mode->htotal = mode->hdisplay + hblank;
5205 
5206 	mode->vdisplay = vactive;
5207 	mode->vsync_start = mode->vdisplay + vsync;
5208 	mode->vsync_end = mode->vsync_start + vsync_width;
5209 	mode->vtotal = mode->vdisplay + vblank;
5210 
5211 	mode->flags = 0;
5212 	mode->flags |= hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
5213 	mode->flags |= vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
5214 	mode->type = DRM_MODE_TYPE_DRIVER;
5215 
5216 	if (timings->flags & 0x80)
5217 		mode->type |= DRM_MODE_TYPE_PREFERRED;
5218 	drm_mode_set_name(mode);
5219 
5220 	return mode;
5221 }
5222 
5223 static int add_displayid_detailed_1_modes(struct drm_connector *connector,
5224 					  struct displayid_block *block)
5225 {
5226 	struct displayid_detailed_timing_block *det = (struct displayid_detailed_timing_block *)block;
5227 	int i;
5228 	int num_timings;
5229 	struct drm_display_mode *newmode;
5230 	int num_modes = 0;
5231 	/* blocks must be multiple of 20 bytes length */
5232 	if (block->num_bytes % 20)
5233 		return 0;
5234 
5235 	num_timings = block->num_bytes / 20;
5236 	for (i = 0; i < num_timings; i++) {
5237 		struct displayid_detailed_timings_1 *timings = &det->timings[i];
5238 
5239 		newmode = drm_mode_displayid_detailed(connector->dev, timings);
5240 		if (!newmode)
5241 			continue;
5242 
5243 		drm_mode_probed_add(connector, newmode);
5244 		num_modes++;
5245 	}
5246 	return num_modes;
5247 }
5248 
5249 static int add_displayid_detailed_modes(struct drm_connector *connector,
5250 					struct edid *edid)
5251 {
5252 	u8 *displayid;
5253 	int length, idx;
5254 	struct displayid_block *block;
5255 	int num_modes = 0;
5256 	int ext_index = 0;
5257 
5258 	for (;;) {
5259 		displayid = drm_find_displayid_extension(edid, &length, &idx,
5260 							 &ext_index);
5261 		if (!displayid)
5262 			break;
5263 
5264 		idx += sizeof(struct displayid_hdr);
5265 		for_each_displayid_db(displayid, block, idx, length) {
5266 			switch (block->tag) {
5267 			case DATA_BLOCK_TYPE_1_DETAILED_TIMING:
5268 				num_modes += add_displayid_detailed_1_modes(connector, block);
5269 				break;
5270 			}
5271 		}
5272 	}
5273 
5274 	return num_modes;
5275 }
5276 
5277 /**
5278  * drm_add_edid_modes - add modes from EDID data, if available
5279  * @connector: connector we're probing
5280  * @edid: EDID data
5281  *
5282  * Add the specified modes to the connector's mode list. Also fills out the
5283  * &drm_display_info structure and ELD in @connector with any information which
5284  * can be derived from the edid.
5285  *
5286  * Return: The number of modes added or 0 if we couldn't find any.
5287  */
5288 int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
5289 {
5290 	int num_modes = 0;
5291 	u32 quirks;
5292 
5293 	if (edid == NULL) {
5294 		clear_eld(connector);
5295 		return 0;
5296 	}
5297 	if (!drm_edid_is_valid(edid)) {
5298 		clear_eld(connector);
5299 		drm_warn(connector->dev, "%s: EDID invalid.\n",
5300 			 connector->name);
5301 		return 0;
5302 	}
5303 
5304 	drm_edid_to_eld(connector, edid);
5305 
5306 	/*
5307 	 * CEA-861-F adds ycbcr capability map block, for HDMI 2.0 sinks.
5308 	 * To avoid multiple parsing of same block, lets parse that map
5309 	 * from sink info, before parsing CEA modes.
5310 	 */
5311 	quirks = drm_add_display_info(connector, edid);
5312 
5313 	/*
5314 	 * EDID spec says modes should be preferred in this order:
5315 	 * - preferred detailed mode
5316 	 * - other detailed modes from base block
5317 	 * - detailed modes from extension blocks
5318 	 * - CVT 3-byte code modes
5319 	 * - standard timing codes
5320 	 * - established timing codes
5321 	 * - modes inferred from GTF or CVT range information
5322 	 *
5323 	 * We get this pretty much right.
5324 	 *
5325 	 * XXX order for additional mode types in extension blocks?
5326 	 */
5327 	num_modes += add_detailed_modes(connector, edid, quirks);
5328 	num_modes += add_cvt_modes(connector, edid);
5329 	num_modes += add_standard_modes(connector, edid);
5330 	num_modes += add_established_modes(connector, edid);
5331 	num_modes += add_cea_modes(connector, edid);
5332 	num_modes += add_alternate_cea_modes(connector, edid);
5333 	num_modes += add_displayid_detailed_modes(connector, edid);
5334 	if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
5335 		num_modes += add_inferred_modes(connector, edid);
5336 
5337 	if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
5338 		edid_fixup_preferred(connector, quirks);
5339 
5340 	if (quirks & EDID_QUIRK_FORCE_6BPC)
5341 		connector->display_info.bpc = 6;
5342 
5343 	if (quirks & EDID_QUIRK_FORCE_8BPC)
5344 		connector->display_info.bpc = 8;
5345 
5346 	if (quirks & EDID_QUIRK_FORCE_10BPC)
5347 		connector->display_info.bpc = 10;
5348 
5349 	if (quirks & EDID_QUIRK_FORCE_12BPC)
5350 		connector->display_info.bpc = 12;
5351 
5352 	return num_modes;
5353 }
5354 EXPORT_SYMBOL(drm_add_edid_modes);
5355 
5356 /**
5357  * drm_add_modes_noedid - add modes for the connectors without EDID
5358  * @connector: connector we're probing
5359  * @hdisplay: the horizontal display limit
5360  * @vdisplay: the vertical display limit
5361  *
5362  * Add the specified modes to the connector's mode list. Only when the
5363  * hdisplay/vdisplay is not beyond the given limit, it will be added.
5364  *
5365  * Return: The number of modes added or 0 if we couldn't find any.
5366  */
5367 int drm_add_modes_noedid(struct drm_connector *connector,
5368 			int hdisplay, int vdisplay)
5369 {
5370 	int i, count, num_modes = 0;
5371 	struct drm_display_mode *mode;
5372 	struct drm_device *dev = connector->dev;
5373 
5374 	count = ARRAY_SIZE(drm_dmt_modes);
5375 	if (hdisplay < 0)
5376 		hdisplay = 0;
5377 	if (vdisplay < 0)
5378 		vdisplay = 0;
5379 
5380 	for (i = 0; i < count; i++) {
5381 		const struct drm_display_mode *ptr = &drm_dmt_modes[i];
5382 
5383 		if (hdisplay && vdisplay) {
5384 			/*
5385 			 * Only when two are valid, they will be used to check
5386 			 * whether the mode should be added to the mode list of
5387 			 * the connector.
5388 			 */
5389 			if (ptr->hdisplay > hdisplay ||
5390 					ptr->vdisplay > vdisplay)
5391 				continue;
5392 		}
5393 		if (drm_mode_vrefresh(ptr) > 61)
5394 			continue;
5395 		mode = drm_mode_duplicate(dev, ptr);
5396 		if (mode) {
5397 			drm_mode_probed_add(connector, mode);
5398 			num_modes++;
5399 		}
5400 	}
5401 	return num_modes;
5402 }
5403 EXPORT_SYMBOL(drm_add_modes_noedid);
5404 
5405 /**
5406  * drm_set_preferred_mode - Sets the preferred mode of a connector
5407  * @connector: connector whose mode list should be processed
5408  * @hpref: horizontal resolution of preferred mode
5409  * @vpref: vertical resolution of preferred mode
5410  *
5411  * Marks a mode as preferred if it matches the resolution specified by @hpref
5412  * and @vpref.
5413  */
5414 void drm_set_preferred_mode(struct drm_connector *connector,
5415 			   int hpref, int vpref)
5416 {
5417 	struct drm_display_mode *mode;
5418 
5419 	list_for_each_entry(mode, &connector->probed_modes, head) {
5420 		if (mode->hdisplay == hpref &&
5421 		    mode->vdisplay == vpref)
5422 			mode->type |= DRM_MODE_TYPE_PREFERRED;
5423 	}
5424 }
5425 EXPORT_SYMBOL(drm_set_preferred_mode);
5426 
5427 static bool is_hdmi2_sink(const struct drm_connector *connector)
5428 {
5429 	/*
5430 	 * FIXME: sil-sii8620 doesn't have a connector around when
5431 	 * we need one, so we have to be prepared for a NULL connector.
5432 	 */
5433 	if (!connector)
5434 		return true;
5435 
5436 	return connector->display_info.hdmi.scdc.supported ||
5437 		connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB420;
5438 }
5439 
5440 static inline bool is_eotf_supported(u8 output_eotf, u8 sink_eotf)
5441 {
5442 	return sink_eotf & BIT(output_eotf);
5443 }
5444 
5445 /**
5446  * drm_hdmi_infoframe_set_hdr_metadata() - fill an HDMI DRM infoframe with
5447  *                                         HDR metadata from userspace
5448  * @frame: HDMI DRM infoframe
5449  * @conn_state: Connector state containing HDR metadata
5450  *
5451  * Return: 0 on success or a negative error code on failure.
5452  */
5453 int
5454 drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
5455 				    const struct drm_connector_state *conn_state)
5456 {
5457 	struct drm_connector *connector;
5458 	struct hdr_output_metadata *hdr_metadata;
5459 	int err;
5460 
5461 	if (!frame || !conn_state)
5462 		return -EINVAL;
5463 
5464 	connector = conn_state->connector;
5465 
5466 	if (!conn_state->hdr_output_metadata)
5467 		return -EINVAL;
5468 
5469 	hdr_metadata = conn_state->hdr_output_metadata->data;
5470 
5471 	if (!hdr_metadata || !connector)
5472 		return -EINVAL;
5473 
5474 	/* Sink EOTF is Bit map while infoframe is absolute values */
5475 	if (!is_eotf_supported(hdr_metadata->hdmi_metadata_type1.eotf,
5476 	    connector->hdr_sink_metadata.hdmi_type1.eotf)) {
5477 		DRM_DEBUG_KMS("EOTF Not Supported\n");
5478 		return -EINVAL;
5479 	}
5480 
5481 	err = hdmi_drm_infoframe_init(frame);
5482 	if (err < 0)
5483 		return err;
5484 
5485 	frame->eotf = hdr_metadata->hdmi_metadata_type1.eotf;
5486 	frame->metadata_type = hdr_metadata->hdmi_metadata_type1.metadata_type;
5487 
5488 	BUILD_BUG_ON(sizeof(frame->display_primaries) !=
5489 		     sizeof(hdr_metadata->hdmi_metadata_type1.display_primaries));
5490 	BUILD_BUG_ON(sizeof(frame->white_point) !=
5491 		     sizeof(hdr_metadata->hdmi_metadata_type1.white_point));
5492 
5493 	memcpy(&frame->display_primaries,
5494 	       &hdr_metadata->hdmi_metadata_type1.display_primaries,
5495 	       sizeof(frame->display_primaries));
5496 
5497 	memcpy(&frame->white_point,
5498 	       &hdr_metadata->hdmi_metadata_type1.white_point,
5499 	       sizeof(frame->white_point));
5500 
5501 	frame->max_display_mastering_luminance =
5502 		hdr_metadata->hdmi_metadata_type1.max_display_mastering_luminance;
5503 	frame->min_display_mastering_luminance =
5504 		hdr_metadata->hdmi_metadata_type1.min_display_mastering_luminance;
5505 	frame->max_fall = hdr_metadata->hdmi_metadata_type1.max_fall;
5506 	frame->max_cll = hdr_metadata->hdmi_metadata_type1.max_cll;
5507 
5508 	return 0;
5509 }
5510 EXPORT_SYMBOL(drm_hdmi_infoframe_set_hdr_metadata);
5511 
5512 static u8 drm_mode_hdmi_vic(const struct drm_connector *connector,
5513 			    const struct drm_display_mode *mode)
5514 {
5515 	bool has_hdmi_infoframe = connector ?
5516 		connector->display_info.has_hdmi_infoframe : false;
5517 
5518 	if (!has_hdmi_infoframe)
5519 		return 0;
5520 
5521 	/* No HDMI VIC when signalling 3D video format */
5522 	if (mode->flags & DRM_MODE_FLAG_3D_MASK)
5523 		return 0;
5524 
5525 	return drm_match_hdmi_mode(mode);
5526 }
5527 
5528 static u8 drm_mode_cea_vic(const struct drm_connector *connector,
5529 			   const struct drm_display_mode *mode)
5530 {
5531 	u8 vic;
5532 
5533 	/*
5534 	 * HDMI spec says if a mode is found in HDMI 1.4b 4K modes
5535 	 * we should send its VIC in vendor infoframes, else send the
5536 	 * VIC in AVI infoframes. Lets check if this mode is present in
5537 	 * HDMI 1.4b 4K modes
5538 	 */
5539 	if (drm_mode_hdmi_vic(connector, mode))
5540 		return 0;
5541 
5542 	vic = drm_match_cea_mode(mode);
5543 
5544 	/*
5545 	 * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but
5546 	 * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we
5547 	 * have to make sure we dont break HDMI 1.4 sinks.
5548 	 */
5549 	if (!is_hdmi2_sink(connector) && vic > 64)
5550 		return 0;
5551 
5552 	return vic;
5553 }
5554 
5555 /**
5556  * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with
5557  *                                              data from a DRM display mode
5558  * @frame: HDMI AVI infoframe
5559  * @connector: the connector
5560  * @mode: DRM display mode
5561  *
5562  * Return: 0 on success or a negative error code on failure.
5563  */
5564 int
5565 drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
5566 					 const struct drm_connector *connector,
5567 					 const struct drm_display_mode *mode)
5568 {
5569 	enum hdmi_picture_aspect picture_aspect;
5570 	u8 vic, hdmi_vic;
5571 
5572 	if (!frame || !mode)
5573 		return -EINVAL;
5574 
5575 	hdmi_avi_infoframe_init(frame);
5576 
5577 	if (mode->flags & DRM_MODE_FLAG_DBLCLK)
5578 		frame->pixel_repeat = 1;
5579 
5580 	vic = drm_mode_cea_vic(connector, mode);
5581 	hdmi_vic = drm_mode_hdmi_vic(connector, mode);
5582 
5583 	frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5584 
5585 	/*
5586 	 * As some drivers don't support atomic, we can't use connector state.
5587 	 * So just initialize the frame with default values, just the same way
5588 	 * as it's done with other properties here.
5589 	 */
5590 	frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
5591 	frame->itc = 0;
5592 
5593 	/*
5594 	 * Populate picture aspect ratio from either
5595 	 * user input (if specified) or from the CEA/HDMI mode lists.
5596 	 */
5597 	picture_aspect = mode->picture_aspect_ratio;
5598 	if (picture_aspect == HDMI_PICTURE_ASPECT_NONE) {
5599 		if (vic)
5600 			picture_aspect = drm_get_cea_aspect_ratio(vic);
5601 		else if (hdmi_vic)
5602 			picture_aspect = drm_get_hdmi_aspect_ratio(hdmi_vic);
5603 	}
5604 
5605 	/*
5606 	 * The infoframe can't convey anything but none, 4:3
5607 	 * and 16:9, so if the user has asked for anything else
5608 	 * we can only satisfy it by specifying the right VIC.
5609 	 */
5610 	if (picture_aspect > HDMI_PICTURE_ASPECT_16_9) {
5611 		if (vic) {
5612 			if (picture_aspect != drm_get_cea_aspect_ratio(vic))
5613 				return -EINVAL;
5614 		} else if (hdmi_vic) {
5615 			if (picture_aspect != drm_get_hdmi_aspect_ratio(hdmi_vic))
5616 				return -EINVAL;
5617 		} else {
5618 			return -EINVAL;
5619 		}
5620 
5621 		picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5622 	}
5623 
5624 	frame->video_code = vic;
5625 	frame->picture_aspect = picture_aspect;
5626 	frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
5627 	frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
5628 
5629 	return 0;
5630 }
5631 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode);
5632 
5633 /* HDMI Colorspace Spec Definitions */
5634 #define FULL_COLORIMETRY_MASK		0x1FF
5635 #define NORMAL_COLORIMETRY_MASK		0x3
5636 #define EXTENDED_COLORIMETRY_MASK	0x7
5637 #define EXTENDED_ACE_COLORIMETRY_MASK	0xF
5638 
5639 #define C(x) ((x) << 0)
5640 #define EC(x) ((x) << 2)
5641 #define ACE(x) ((x) << 5)
5642 
5643 #define HDMI_COLORIMETRY_NO_DATA		0x0
5644 #define HDMI_COLORIMETRY_SMPTE_170M_YCC		(C(1) | EC(0) | ACE(0))
5645 #define HDMI_COLORIMETRY_BT709_YCC		(C(2) | EC(0) | ACE(0))
5646 #define HDMI_COLORIMETRY_XVYCC_601		(C(3) | EC(0) | ACE(0))
5647 #define HDMI_COLORIMETRY_XVYCC_709		(C(3) | EC(1) | ACE(0))
5648 #define HDMI_COLORIMETRY_SYCC_601		(C(3) | EC(2) | ACE(0))
5649 #define HDMI_COLORIMETRY_OPYCC_601		(C(3) | EC(3) | ACE(0))
5650 #define HDMI_COLORIMETRY_OPRGB			(C(3) | EC(4) | ACE(0))
5651 #define HDMI_COLORIMETRY_BT2020_CYCC		(C(3) | EC(5) | ACE(0))
5652 #define HDMI_COLORIMETRY_BT2020_RGB		(C(3) | EC(6) | ACE(0))
5653 #define HDMI_COLORIMETRY_BT2020_YCC		(C(3) | EC(6) | ACE(0))
5654 #define HDMI_COLORIMETRY_DCI_P3_RGB_D65		(C(3) | EC(7) | ACE(0))
5655 #define HDMI_COLORIMETRY_DCI_P3_RGB_THEATER	(C(3) | EC(7) | ACE(1))
5656 
5657 static const u32 hdmi_colorimetry_val[] = {
5658 	[DRM_MODE_COLORIMETRY_NO_DATA] = HDMI_COLORIMETRY_NO_DATA,
5659 	[DRM_MODE_COLORIMETRY_SMPTE_170M_YCC] = HDMI_COLORIMETRY_SMPTE_170M_YCC,
5660 	[DRM_MODE_COLORIMETRY_BT709_YCC] = HDMI_COLORIMETRY_BT709_YCC,
5661 	[DRM_MODE_COLORIMETRY_XVYCC_601] = HDMI_COLORIMETRY_XVYCC_601,
5662 	[DRM_MODE_COLORIMETRY_XVYCC_709] = HDMI_COLORIMETRY_XVYCC_709,
5663 	[DRM_MODE_COLORIMETRY_SYCC_601] = HDMI_COLORIMETRY_SYCC_601,
5664 	[DRM_MODE_COLORIMETRY_OPYCC_601] = HDMI_COLORIMETRY_OPYCC_601,
5665 	[DRM_MODE_COLORIMETRY_OPRGB] = HDMI_COLORIMETRY_OPRGB,
5666 	[DRM_MODE_COLORIMETRY_BT2020_CYCC] = HDMI_COLORIMETRY_BT2020_CYCC,
5667 	[DRM_MODE_COLORIMETRY_BT2020_RGB] = HDMI_COLORIMETRY_BT2020_RGB,
5668 	[DRM_MODE_COLORIMETRY_BT2020_YCC] = HDMI_COLORIMETRY_BT2020_YCC,
5669 };
5670 
5671 #undef C
5672 #undef EC
5673 #undef ACE
5674 
5675 /**
5676  * drm_hdmi_avi_infoframe_colorspace() - fill the HDMI AVI infoframe
5677  *                                       colorspace information
5678  * @frame: HDMI AVI infoframe
5679  * @conn_state: connector state
5680  */
5681 void
5682 drm_hdmi_avi_infoframe_colorspace(struct hdmi_avi_infoframe *frame,
5683 				  const struct drm_connector_state *conn_state)
5684 {
5685 	u32 colorimetry_val;
5686 	u32 colorimetry_index = conn_state->colorspace & FULL_COLORIMETRY_MASK;
5687 
5688 	if (colorimetry_index >= ARRAY_SIZE(hdmi_colorimetry_val))
5689 		colorimetry_val = HDMI_COLORIMETRY_NO_DATA;
5690 	else
5691 		colorimetry_val = hdmi_colorimetry_val[colorimetry_index];
5692 
5693 	frame->colorimetry = colorimetry_val & NORMAL_COLORIMETRY_MASK;
5694 	/*
5695 	 * ToDo: Extend it for ACE formats as well. Modify the infoframe
5696 	 * structure and extend it in drivers/video/hdmi
5697 	 */
5698 	frame->extended_colorimetry = (colorimetry_val >> 2) &
5699 					EXTENDED_COLORIMETRY_MASK;
5700 }
5701 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_colorspace);
5702 
5703 /**
5704  * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
5705  *                                        quantization range information
5706  * @frame: HDMI AVI infoframe
5707  * @connector: the connector
5708  * @mode: DRM display mode
5709  * @rgb_quant_range: RGB quantization range (Q)
5710  */
5711 void
5712 drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
5713 				   const struct drm_connector *connector,
5714 				   const struct drm_display_mode *mode,
5715 				   enum hdmi_quantization_range rgb_quant_range)
5716 {
5717 	const struct drm_display_info *info = &connector->display_info;
5718 
5719 	/*
5720 	 * CEA-861:
5721 	 * "A Source shall not send a non-zero Q value that does not correspond
5722 	 *  to the default RGB Quantization Range for the transmitted Picture
5723 	 *  unless the Sink indicates support for the Q bit in a Video
5724 	 *  Capabilities Data Block."
5725 	 *
5726 	 * HDMI 2.0 recommends sending non-zero Q when it does match the
5727 	 * default RGB quantization range for the mode, even when QS=0.
5728 	 */
5729 	if (info->rgb_quant_range_selectable ||
5730 	    rgb_quant_range == drm_default_rgb_quant_range(mode))
5731 		frame->quantization_range = rgb_quant_range;
5732 	else
5733 		frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
5734 
5735 	/*
5736 	 * CEA-861-F:
5737 	 * "When transmitting any RGB colorimetry, the Source should set the
5738 	 *  YQ-field to match the RGB Quantization Range being transmitted
5739 	 *  (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB,
5740 	 *  set YQ=1) and the Sink shall ignore the YQ-field."
5741 	 *
5742 	 * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused
5743 	 * by non-zero YQ when receiving RGB. There doesn't seem to be any
5744 	 * good way to tell which version of CEA-861 the sink supports, so
5745 	 * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based
5746 	 * on on CEA-861-F.
5747 	 */
5748 	if (!is_hdmi2_sink(connector) ||
5749 	    rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
5750 		frame->ycc_quantization_range =
5751 			HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
5752 	else
5753 		frame->ycc_quantization_range =
5754 			HDMI_YCC_QUANTIZATION_RANGE_FULL;
5755 }
5756 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);
5757 
5758 /**
5759  * drm_hdmi_avi_infoframe_bars() - fill the HDMI AVI infoframe
5760  *                                 bar information
5761  * @frame: HDMI AVI infoframe
5762  * @conn_state: connector state
5763  */
5764 void
5765 drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
5766 			    const struct drm_connector_state *conn_state)
5767 {
5768 	frame->right_bar = conn_state->tv.margins.right;
5769 	frame->left_bar = conn_state->tv.margins.left;
5770 	frame->top_bar = conn_state->tv.margins.top;
5771 	frame->bottom_bar = conn_state->tv.margins.bottom;
5772 }
5773 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_bars);
5774 
5775 static enum hdmi_3d_structure
5776 s3d_structure_from_display_mode(const struct drm_display_mode *mode)
5777 {
5778 	u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK;
5779 
5780 	switch (layout) {
5781 	case DRM_MODE_FLAG_3D_FRAME_PACKING:
5782 		return HDMI_3D_STRUCTURE_FRAME_PACKING;
5783 	case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:
5784 		return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE;
5785 	case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:
5786 		return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE;
5787 	case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:
5788 		return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL;
5789 	case DRM_MODE_FLAG_3D_L_DEPTH:
5790 		return HDMI_3D_STRUCTURE_L_DEPTH;
5791 	case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:
5792 		return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH;
5793 	case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
5794 		return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM;
5795 	case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
5796 		return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF;
5797 	default:
5798 		return HDMI_3D_STRUCTURE_INVALID;
5799 	}
5800 }
5801 
5802 /**
5803  * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with
5804  * data from a DRM display mode
5805  * @frame: HDMI vendor infoframe
5806  * @connector: the connector
5807  * @mode: DRM display mode
5808  *
5809  * Note that there's is a need to send HDMI vendor infoframes only when using a
5810  * 4k or stereoscopic 3D mode. So when giving any other mode as input this
5811  * function will return -EINVAL, error that can be safely ignored.
5812  *
5813  * Return: 0 on success or a negative error code on failure.
5814  */
5815 int
5816 drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
5817 					    const struct drm_connector *connector,
5818 					    const struct drm_display_mode *mode)
5819 {
5820 	/*
5821 	 * FIXME: sil-sii8620 doesn't have a connector around when
5822 	 * we need one, so we have to be prepared for a NULL connector.
5823 	 */
5824 	bool has_hdmi_infoframe = connector ?
5825 		connector->display_info.has_hdmi_infoframe : false;
5826 	int err;
5827 
5828 	if (!frame || !mode)
5829 		return -EINVAL;
5830 
5831 	if (!has_hdmi_infoframe)
5832 		return -EINVAL;
5833 
5834 	err = hdmi_vendor_infoframe_init(frame);
5835 	if (err < 0)
5836 		return err;
5837 
5838 	/*
5839 	 * Even if it's not absolutely necessary to send the infoframe
5840 	 * (ie.vic==0 and s3d_struct==0) we will still send it if we
5841 	 * know that the sink can handle it. This is based on a
5842 	 * suggestion in HDMI 2.0 Appendix F. Apparently some sinks
5843 	 * have trouble realizing that they shuld switch from 3D to 2D
5844 	 * mode if the source simply stops sending the infoframe when
5845 	 * it wants to switch from 3D to 2D.
5846 	 */
5847 	frame->vic = drm_mode_hdmi_vic(connector, mode);
5848 	frame->s3d_struct = s3d_structure_from_display_mode(mode);
5849 
5850 	return 0;
5851 }
5852 EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode);
5853 
5854 static void drm_parse_tiled_block(struct drm_connector *connector,
5855 				  const struct displayid_block *block)
5856 {
5857 	const struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block;
5858 	u16 w, h;
5859 	u8 tile_v_loc, tile_h_loc;
5860 	u8 num_v_tile, num_h_tile;
5861 	struct drm_tile_group *tg;
5862 
5863 	w = tile->tile_size[0] | tile->tile_size[1] << 8;
5864 	h = tile->tile_size[2] | tile->tile_size[3] << 8;
5865 
5866 	num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30);
5867 	num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30);
5868 	tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4);
5869 	tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4);
5870 
5871 	connector->has_tile = true;
5872 	if (tile->tile_cap & 0x80)
5873 		connector->tile_is_single_monitor = true;
5874 
5875 	connector->num_h_tile = num_h_tile + 1;
5876 	connector->num_v_tile = num_v_tile + 1;
5877 	connector->tile_h_loc = tile_h_loc;
5878 	connector->tile_v_loc = tile_v_loc;
5879 	connector->tile_h_size = w + 1;
5880 	connector->tile_v_size = h + 1;
5881 
5882 	DRM_DEBUG_KMS("tile cap 0x%x\n", tile->tile_cap);
5883 	DRM_DEBUG_KMS("tile_size %d x %d\n", w + 1, h + 1);
5884 	DRM_DEBUG_KMS("topo num tiles %dx%d, location %dx%d\n",
5885 		      num_h_tile + 1, num_v_tile + 1, tile_h_loc, tile_v_loc);
5886 	DRM_DEBUG_KMS("vend %c%c%c\n", tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]);
5887 
5888 	tg = drm_mode_get_tile_group(connector->dev, tile->topology_id);
5889 	if (!tg)
5890 		tg = drm_mode_create_tile_group(connector->dev, tile->topology_id);
5891 	if (!tg)
5892 		return;
5893 
5894 	if (connector->tile_group != tg) {
5895 		/* if we haven't got a pointer,
5896 		   take the reference, drop ref to old tile group */
5897 		if (connector->tile_group)
5898 			drm_mode_put_tile_group(connector->dev, connector->tile_group);
5899 		connector->tile_group = tg;
5900 	} else {
5901 		/* if same tile group, then release the ref we just took. */
5902 		drm_mode_put_tile_group(connector->dev, tg);
5903 	}
5904 }
5905 
5906 static void drm_displayid_parse_tiled(struct drm_connector *connector,
5907 				      const u8 *displayid, int length, int idx)
5908 {
5909 	const struct displayid_block *block;
5910 
5911 	idx += sizeof(struct displayid_hdr);
5912 	for_each_displayid_db(displayid, block, idx, length) {
5913 		DRM_DEBUG_KMS("block id 0x%x, rev %d, len %d\n",
5914 			      block->tag, block->rev, block->num_bytes);
5915 
5916 		switch (block->tag) {
5917 		case DATA_BLOCK_TILED_DISPLAY:
5918 			drm_parse_tiled_block(connector, block);
5919 			break;
5920 		default:
5921 			DRM_DEBUG_KMS("found DisplayID tag 0x%x, unhandled\n", block->tag);
5922 			break;
5923 		}
5924 	}
5925 }
5926 
5927 void drm_update_tile_info(struct drm_connector *connector,
5928 			  const struct edid *edid)
5929 {
5930 	const void *displayid = NULL;
5931 	int ext_index = 0;
5932 	int length, idx;
5933 
5934 	connector->has_tile = false;
5935 	for (;;) {
5936 		displayid = drm_find_displayid_extension(edid, &length, &idx,
5937 							 &ext_index);
5938 		if (!displayid)
5939 			break;
5940 
5941 		drm_displayid_parse_tiled(connector, displayid, length, idx);
5942 	}
5943 
5944 	if (!connector->has_tile && connector->tile_group) {
5945 		drm_mode_put_tile_group(connector->dev, connector->tile_group);
5946 		connector->tile_group = NULL;
5947 	}
5948 }
5949