xref: /linux/drivers/gpu/drm/drm_edid.c (revision 8fc4e4aa2bfca8d32e8bc2a01526ea2da450e6cb)
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/pci.h>
36 #include <linux/slab.h>
37 #include <linux/vga_switcheroo.h>
38 
39 #include <drm/drm_displayid.h>
40 #include <drm/drm_drv.h>
41 #include <drm/drm_edid.h>
42 #include <drm/drm_encoder.h>
43 #include <drm/drm_print.h>
44 #include <drm/drm_scdc_helper.h>
45 
46 #include "drm_crtc_internal.h"
47 
48 #define version_greater(edid, maj, min) \
49 	(((edid)->version > (maj)) || \
50 	 ((edid)->version == (maj) && (edid)->revision > (min)))
51 
52 #define EDID_EST_TIMINGS 16
53 #define EDID_STD_TIMINGS 8
54 #define EDID_DETAILED_TIMINGS 4
55 
56 /*
57  * EDID blocks out in the wild have a variety of bugs, try to collect
58  * them here (note that userspace may work around broken monitors first,
59  * but fixes should make their way here so that the kernel "just works"
60  * on as many displays as possible).
61  */
62 
63 /* First detailed mode wrong, use largest 60Hz mode */
64 #define EDID_QUIRK_PREFER_LARGE_60		(1 << 0)
65 /* Reported 135MHz pixel clock is too high, needs adjustment */
66 #define EDID_QUIRK_135_CLOCK_TOO_HIGH		(1 << 1)
67 /* Prefer the largest mode at 75 Hz */
68 #define EDID_QUIRK_PREFER_LARGE_75		(1 << 2)
69 /* Detail timing is in cm not mm */
70 #define EDID_QUIRK_DETAILED_IN_CM		(1 << 3)
71 /* Detailed timing descriptors have bogus size values, so just take the
72  * maximum size and use that.
73  */
74 #define EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE	(1 << 4)
75 /* use +hsync +vsync for detailed mode */
76 #define EDID_QUIRK_DETAILED_SYNC_PP		(1 << 6)
77 /* Force reduced-blanking timings for detailed modes */
78 #define EDID_QUIRK_FORCE_REDUCED_BLANKING	(1 << 7)
79 /* Force 8bpc */
80 #define EDID_QUIRK_FORCE_8BPC			(1 << 8)
81 /* Force 12bpc */
82 #define EDID_QUIRK_FORCE_12BPC			(1 << 9)
83 /* Force 6bpc */
84 #define EDID_QUIRK_FORCE_6BPC			(1 << 10)
85 /* Force 10bpc */
86 #define EDID_QUIRK_FORCE_10BPC			(1 << 11)
87 /* Non desktop display (i.e. HMD) */
88 #define EDID_QUIRK_NON_DESKTOP			(1 << 12)
89 
90 struct detailed_mode_closure {
91 	struct drm_connector *connector;
92 	struct edid *edid;
93 	bool preferred;
94 	u32 quirks;
95 	int modes;
96 };
97 
98 #define LEVEL_DMT	0
99 #define LEVEL_GTF	1
100 #define LEVEL_GTF2	2
101 #define LEVEL_CVT	3
102 
103 static const struct edid_quirk {
104 	char vendor[4];
105 	int product_id;
106 	u32 quirks;
107 } edid_quirk_list[] = {
108 	/* Acer AL1706 */
109 	{ "ACR", 44358, EDID_QUIRK_PREFER_LARGE_60 },
110 	/* Acer F51 */
111 	{ "API", 0x7602, EDID_QUIRK_PREFER_LARGE_60 },
112 
113 	/* AEO model 0 reports 8 bpc, but is a 6 bpc panel */
114 	{ "AEO", 0, EDID_QUIRK_FORCE_6BPC },
115 
116 	/* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */
117 	{ "BOE", 0x78b, EDID_QUIRK_FORCE_6BPC },
118 
119 	/* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */
120 	{ "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC },
121 
122 	/* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */
123 	{ "SDC", 0x3652, EDID_QUIRK_FORCE_6BPC },
124 
125 	/* BOE model 0x0771 reports 8 bpc, but is a 6 bpc panel */
126 	{ "BOE", 0x0771, EDID_QUIRK_FORCE_6BPC },
127 
128 	/* Belinea 10 15 55 */
129 	{ "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 },
130 	{ "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 },
131 
132 	/* Envision Peripherals, Inc. EN-7100e */
133 	{ "EPI", 59264, EDID_QUIRK_135_CLOCK_TOO_HIGH },
134 	/* Envision EN2028 */
135 	{ "EPI", 8232, EDID_QUIRK_PREFER_LARGE_60 },
136 
137 	/* Funai Electronics PM36B */
138 	{ "FCM", 13600, EDID_QUIRK_PREFER_LARGE_75 |
139 	  EDID_QUIRK_DETAILED_IN_CM },
140 
141 	/* LGD panel of HP zBook 17 G2, eDP 10 bpc, but reports unknown bpc */
142 	{ "LGD", 764, EDID_QUIRK_FORCE_10BPC },
143 
144 	/* LG Philips LCD LP154W01-A5 */
145 	{ "LPL", 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
146 	{ "LPL", 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
147 
148 	/* Samsung SyncMaster 205BW.  Note: irony */
149 	{ "SAM", 541, EDID_QUIRK_DETAILED_SYNC_PP },
150 	/* Samsung SyncMaster 22[5-6]BW */
151 	{ "SAM", 596, EDID_QUIRK_PREFER_LARGE_60 },
152 	{ "SAM", 638, EDID_QUIRK_PREFER_LARGE_60 },
153 
154 	/* Sony PVM-2541A does up to 12 bpc, but only reports max 8 bpc */
155 	{ "SNY", 0x2541, EDID_QUIRK_FORCE_12BPC },
156 
157 	/* ViewSonic VA2026w */
158 	{ "VSC", 5020, EDID_QUIRK_FORCE_REDUCED_BLANKING },
159 
160 	/* Medion MD 30217 PG */
161 	{ "MED", 0x7b8, EDID_QUIRK_PREFER_LARGE_75 },
162 
163 	/* Lenovo G50 */
164 	{ "SDC", 18514, EDID_QUIRK_FORCE_6BPC },
165 
166 	/* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */
167 	{ "SEC", 0xd033, EDID_QUIRK_FORCE_8BPC },
168 
169 	/* Rotel RSX-1058 forwards sink's EDID but only does HDMI 1.1*/
170 	{ "ETR", 13896, EDID_QUIRK_FORCE_8BPC },
171 
172 	/* Valve Index Headset */
173 	{ "VLV", 0x91a8, EDID_QUIRK_NON_DESKTOP },
174 	{ "VLV", 0x91b0, EDID_QUIRK_NON_DESKTOP },
175 	{ "VLV", 0x91b1, EDID_QUIRK_NON_DESKTOP },
176 	{ "VLV", 0x91b2, EDID_QUIRK_NON_DESKTOP },
177 	{ "VLV", 0x91b3, EDID_QUIRK_NON_DESKTOP },
178 	{ "VLV", 0x91b4, EDID_QUIRK_NON_DESKTOP },
179 	{ "VLV", 0x91b5, EDID_QUIRK_NON_DESKTOP },
180 	{ "VLV", 0x91b6, EDID_QUIRK_NON_DESKTOP },
181 	{ "VLV", 0x91b7, EDID_QUIRK_NON_DESKTOP },
182 	{ "VLV", 0x91b8, EDID_QUIRK_NON_DESKTOP },
183 	{ "VLV", 0x91b9, EDID_QUIRK_NON_DESKTOP },
184 	{ "VLV", 0x91ba, EDID_QUIRK_NON_DESKTOP },
185 	{ "VLV", 0x91bb, EDID_QUIRK_NON_DESKTOP },
186 	{ "VLV", 0x91bc, EDID_QUIRK_NON_DESKTOP },
187 	{ "VLV", 0x91bd, EDID_QUIRK_NON_DESKTOP },
188 	{ "VLV", 0x91be, EDID_QUIRK_NON_DESKTOP },
189 	{ "VLV", 0x91bf, EDID_QUIRK_NON_DESKTOP },
190 
191 	/* HTC Vive and Vive Pro VR Headsets */
192 	{ "HVR", 0xaa01, EDID_QUIRK_NON_DESKTOP },
193 	{ "HVR", 0xaa02, EDID_QUIRK_NON_DESKTOP },
194 
195 	/* Oculus Rift DK1, DK2, CV1 and Rift S VR Headsets */
196 	{ "OVR", 0x0001, EDID_QUIRK_NON_DESKTOP },
197 	{ "OVR", 0x0003, EDID_QUIRK_NON_DESKTOP },
198 	{ "OVR", 0x0004, EDID_QUIRK_NON_DESKTOP },
199 	{ "OVR", 0x0012, EDID_QUIRK_NON_DESKTOP },
200 
201 	/* Windows Mixed Reality Headsets */
202 	{ "ACR", 0x7fce, EDID_QUIRK_NON_DESKTOP },
203 	{ "HPN", 0x3515, EDID_QUIRK_NON_DESKTOP },
204 	{ "LEN", 0x0408, EDID_QUIRK_NON_DESKTOP },
205 	{ "LEN", 0xb800, EDID_QUIRK_NON_DESKTOP },
206 	{ "FUJ", 0x1970, EDID_QUIRK_NON_DESKTOP },
207 	{ "DEL", 0x7fce, EDID_QUIRK_NON_DESKTOP },
208 	{ "SEC", 0x144a, EDID_QUIRK_NON_DESKTOP },
209 	{ "AUS", 0xc102, EDID_QUIRK_NON_DESKTOP },
210 
211 	/* Sony PlayStation VR Headset */
212 	{ "SNY", 0x0704, EDID_QUIRK_NON_DESKTOP },
213 
214 	/* Sensics VR Headsets */
215 	{ "SEN", 0x1019, EDID_QUIRK_NON_DESKTOP },
216 
217 	/* OSVR HDK and HDK2 VR Headsets */
218 	{ "SVR", 0x1019, EDID_QUIRK_NON_DESKTOP },
219 };
220 
221 /*
222  * Autogenerated from the DMT spec.
223  * This table is copied from xfree86/modes/xf86EdidModes.c.
224  */
225 static const struct drm_display_mode drm_dmt_modes[] = {
226 	/* 0x01 - 640x350@85Hz */
227 	{ DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
228 		   736, 832, 0, 350, 382, 385, 445, 0,
229 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
230 	/* 0x02 - 640x400@85Hz */
231 	{ DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
232 		   736, 832, 0, 400, 401, 404, 445, 0,
233 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
234 	/* 0x03 - 720x400@85Hz */
235 	{ DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 756,
236 		   828, 936, 0, 400, 401, 404, 446, 0,
237 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
238 	/* 0x04 - 640x480@60Hz */
239 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
240 		   752, 800, 0, 480, 490, 492, 525, 0,
241 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
242 	/* 0x05 - 640x480@72Hz */
243 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
244 		   704, 832, 0, 480, 489, 492, 520, 0,
245 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
246 	/* 0x06 - 640x480@75Hz */
247 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
248 		   720, 840, 0, 480, 481, 484, 500, 0,
249 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
250 	/* 0x07 - 640x480@85Hz */
251 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 36000, 640, 696,
252 		   752, 832, 0, 480, 481, 484, 509, 0,
253 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
254 	/* 0x08 - 800x600@56Hz */
255 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
256 		   896, 1024, 0, 600, 601, 603, 625, 0,
257 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
258 	/* 0x09 - 800x600@60Hz */
259 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
260 		   968, 1056, 0, 600, 601, 605, 628, 0,
261 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
262 	/* 0x0a - 800x600@72Hz */
263 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
264 		   976, 1040, 0, 600, 637, 643, 666, 0,
265 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
266 	/* 0x0b - 800x600@75Hz */
267 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
268 		   896, 1056, 0, 600, 601, 604, 625, 0,
269 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
270 	/* 0x0c - 800x600@85Hz */
271 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 56250, 800, 832,
272 		   896, 1048, 0, 600, 601, 604, 631, 0,
273 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
274 	/* 0x0d - 800x600@120Hz RB */
275 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 73250, 800, 848,
276 		   880, 960, 0, 600, 603, 607, 636, 0,
277 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
278 	/* 0x0e - 848x480@60Hz */
279 	{ DRM_MODE("848x480", DRM_MODE_TYPE_DRIVER, 33750, 848, 864,
280 		   976, 1088, 0, 480, 486, 494, 517, 0,
281 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
282 	/* 0x0f - 1024x768@43Hz, interlace */
283 	{ DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032,
284 		   1208, 1264, 0, 768, 768, 776, 817, 0,
285 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
286 		   DRM_MODE_FLAG_INTERLACE) },
287 	/* 0x10 - 1024x768@60Hz */
288 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
289 		   1184, 1344, 0, 768, 771, 777, 806, 0,
290 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
291 	/* 0x11 - 1024x768@70Hz */
292 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
293 		   1184, 1328, 0, 768, 771, 777, 806, 0,
294 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
295 	/* 0x12 - 1024x768@75Hz */
296 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
297 		   1136, 1312, 0, 768, 769, 772, 800, 0,
298 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
299 	/* 0x13 - 1024x768@85Hz */
300 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 94500, 1024, 1072,
301 		   1168, 1376, 0, 768, 769, 772, 808, 0,
302 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
303 	/* 0x14 - 1024x768@120Hz RB */
304 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 115500, 1024, 1072,
305 		   1104, 1184, 0, 768, 771, 775, 813, 0,
306 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
307 	/* 0x15 - 1152x864@75Hz */
308 	{ DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
309 		   1344, 1600, 0, 864, 865, 868, 900, 0,
310 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
311 	/* 0x55 - 1280x720@60Hz */
312 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
313 		   1430, 1650, 0, 720, 725, 730, 750, 0,
314 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
315 	/* 0x16 - 1280x768@60Hz RB */
316 	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 68250, 1280, 1328,
317 		   1360, 1440, 0, 768, 771, 778, 790, 0,
318 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
319 	/* 0x17 - 1280x768@60Hz */
320 	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
321 		   1472, 1664, 0, 768, 771, 778, 798, 0,
322 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
323 	/* 0x18 - 1280x768@75Hz */
324 	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 102250, 1280, 1360,
325 		   1488, 1696, 0, 768, 771, 778, 805, 0,
326 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
327 	/* 0x19 - 1280x768@85Hz */
328 	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 117500, 1280, 1360,
329 		   1496, 1712, 0, 768, 771, 778, 809, 0,
330 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
331 	/* 0x1a - 1280x768@120Hz RB */
332 	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 140250, 1280, 1328,
333 		   1360, 1440, 0, 768, 771, 778, 813, 0,
334 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
335 	/* 0x1b - 1280x800@60Hz RB */
336 	{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 71000, 1280, 1328,
337 		   1360, 1440, 0, 800, 803, 809, 823, 0,
338 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
339 	/* 0x1c - 1280x800@60Hz */
340 	{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
341 		   1480, 1680, 0, 800, 803, 809, 831, 0,
342 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
343 	/* 0x1d - 1280x800@75Hz */
344 	{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 106500, 1280, 1360,
345 		   1488, 1696, 0, 800, 803, 809, 838, 0,
346 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
347 	/* 0x1e - 1280x800@85Hz */
348 	{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 122500, 1280, 1360,
349 		   1496, 1712, 0, 800, 803, 809, 843, 0,
350 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
351 	/* 0x1f - 1280x800@120Hz RB */
352 	{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 146250, 1280, 1328,
353 		   1360, 1440, 0, 800, 803, 809, 847, 0,
354 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
355 	/* 0x20 - 1280x960@60Hz */
356 	{ DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
357 		   1488, 1800, 0, 960, 961, 964, 1000, 0,
358 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
359 	/* 0x21 - 1280x960@85Hz */
360 	{ DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1344,
361 		   1504, 1728, 0, 960, 961, 964, 1011, 0,
362 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
363 	/* 0x22 - 1280x960@120Hz RB */
364 	{ DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 175500, 1280, 1328,
365 		   1360, 1440, 0, 960, 963, 967, 1017, 0,
366 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
367 	/* 0x23 - 1280x1024@60Hz */
368 	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
369 		   1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
370 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
371 	/* 0x24 - 1280x1024@75Hz */
372 	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
373 		   1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
374 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
375 	/* 0x25 - 1280x1024@85Hz */
376 	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 157500, 1280, 1344,
377 		   1504, 1728, 0, 1024, 1025, 1028, 1072, 0,
378 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
379 	/* 0x26 - 1280x1024@120Hz RB */
380 	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 187250, 1280, 1328,
381 		   1360, 1440, 0, 1024, 1027, 1034, 1084, 0,
382 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
383 	/* 0x27 - 1360x768@60Hz */
384 	{ DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
385 		   1536, 1792, 0, 768, 771, 777, 795, 0,
386 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
387 	/* 0x28 - 1360x768@120Hz RB */
388 	{ DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 148250, 1360, 1408,
389 		   1440, 1520, 0, 768, 771, 776, 813, 0,
390 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
391 	/* 0x51 - 1366x768@60Hz */
392 	{ DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 85500, 1366, 1436,
393 		   1579, 1792, 0, 768, 771, 774, 798, 0,
394 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
395 	/* 0x56 - 1366x768@60Hz */
396 	{ DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 72000, 1366, 1380,
397 		   1436, 1500, 0, 768, 769, 772, 800, 0,
398 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
399 	/* 0x29 - 1400x1050@60Hz RB */
400 	{ DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 101000, 1400, 1448,
401 		   1480, 1560, 0, 1050, 1053, 1057, 1080, 0,
402 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
403 	/* 0x2a - 1400x1050@60Hz */
404 	{ DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
405 		   1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
406 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
407 	/* 0x2b - 1400x1050@75Hz */
408 	{ DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 156000, 1400, 1504,
409 		   1648, 1896, 0, 1050, 1053, 1057, 1099, 0,
410 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
411 	/* 0x2c - 1400x1050@85Hz */
412 	{ DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 179500, 1400, 1504,
413 		   1656, 1912, 0, 1050, 1053, 1057, 1105, 0,
414 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
415 	/* 0x2d - 1400x1050@120Hz RB */
416 	{ DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 208000, 1400, 1448,
417 		   1480, 1560, 0, 1050, 1053, 1057, 1112, 0,
418 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
419 	/* 0x2e - 1440x900@60Hz RB */
420 	{ DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 88750, 1440, 1488,
421 		   1520, 1600, 0, 900, 903, 909, 926, 0,
422 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
423 	/* 0x2f - 1440x900@60Hz */
424 	{ DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
425 		   1672, 1904, 0, 900, 903, 909, 934, 0,
426 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
427 	/* 0x30 - 1440x900@75Hz */
428 	{ DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 136750, 1440, 1536,
429 		   1688, 1936, 0, 900, 903, 909, 942, 0,
430 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
431 	/* 0x31 - 1440x900@85Hz */
432 	{ DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 157000, 1440, 1544,
433 		   1696, 1952, 0, 900, 903, 909, 948, 0,
434 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
435 	/* 0x32 - 1440x900@120Hz RB */
436 	{ DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 182750, 1440, 1488,
437 		   1520, 1600, 0, 900, 903, 909, 953, 0,
438 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
439 	/* 0x53 - 1600x900@60Hz */
440 	{ DRM_MODE("1600x900", DRM_MODE_TYPE_DRIVER, 108000, 1600, 1624,
441 		   1704, 1800, 0, 900, 901, 904, 1000, 0,
442 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
443 	/* 0x33 - 1600x1200@60Hz */
444 	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
445 		   1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
446 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
447 	/* 0x34 - 1600x1200@65Hz */
448 	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 175500, 1600, 1664,
449 		   1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
450 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
451 	/* 0x35 - 1600x1200@70Hz */
452 	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 189000, 1600, 1664,
453 		   1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
454 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
455 	/* 0x36 - 1600x1200@75Hz */
456 	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 202500, 1600, 1664,
457 		   1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
458 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
459 	/* 0x37 - 1600x1200@85Hz */
460 	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 229500, 1600, 1664,
461 		   1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
462 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
463 	/* 0x38 - 1600x1200@120Hz RB */
464 	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 268250, 1600, 1648,
465 		   1680, 1760, 0, 1200, 1203, 1207, 1271, 0,
466 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
467 	/* 0x39 - 1680x1050@60Hz RB */
468 	{ DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 119000, 1680, 1728,
469 		   1760, 1840, 0, 1050, 1053, 1059, 1080, 0,
470 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
471 	/* 0x3a - 1680x1050@60Hz */
472 	{ DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
473 		   1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
474 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
475 	/* 0x3b - 1680x1050@75Hz */
476 	{ DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 187000, 1680, 1800,
477 		   1976, 2272, 0, 1050, 1053, 1059, 1099, 0,
478 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
479 	/* 0x3c - 1680x1050@85Hz */
480 	{ DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 214750, 1680, 1808,
481 		   1984, 2288, 0, 1050, 1053, 1059, 1105, 0,
482 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
483 	/* 0x3d - 1680x1050@120Hz RB */
484 	{ DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 245500, 1680, 1728,
485 		   1760, 1840, 0, 1050, 1053, 1059, 1112, 0,
486 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
487 	/* 0x3e - 1792x1344@60Hz */
488 	{ DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
489 		   2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
490 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
491 	/* 0x3f - 1792x1344@75Hz */
492 	{ DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 261000, 1792, 1888,
493 		   2104, 2456, 0, 1344, 1345, 1348, 1417, 0,
494 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
495 	/* 0x40 - 1792x1344@120Hz RB */
496 	{ DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 333250, 1792, 1840,
497 		   1872, 1952, 0, 1344, 1347, 1351, 1423, 0,
498 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
499 	/* 0x41 - 1856x1392@60Hz */
500 	{ DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
501 		   2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
502 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
503 	/* 0x42 - 1856x1392@75Hz */
504 	{ DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 288000, 1856, 1984,
505 		   2208, 2560, 0, 1392, 1393, 1396, 1500, 0,
506 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
507 	/* 0x43 - 1856x1392@120Hz RB */
508 	{ DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 356500, 1856, 1904,
509 		   1936, 2016, 0, 1392, 1395, 1399, 1474, 0,
510 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
511 	/* 0x52 - 1920x1080@60Hz */
512 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
513 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
514 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
515 	/* 0x44 - 1920x1200@60Hz RB */
516 	{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 154000, 1920, 1968,
517 		   2000, 2080, 0, 1200, 1203, 1209, 1235, 0,
518 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
519 	/* 0x45 - 1920x1200@60Hz */
520 	{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
521 		   2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
522 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
523 	/* 0x46 - 1920x1200@75Hz */
524 	{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 245250, 1920, 2056,
525 		   2264, 2608, 0, 1200, 1203, 1209, 1255, 0,
526 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
527 	/* 0x47 - 1920x1200@85Hz */
528 	{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 281250, 1920, 2064,
529 		   2272, 2624, 0, 1200, 1203, 1209, 1262, 0,
530 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
531 	/* 0x48 - 1920x1200@120Hz RB */
532 	{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 317000, 1920, 1968,
533 		   2000, 2080, 0, 1200, 1203, 1209, 1271, 0,
534 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
535 	/* 0x49 - 1920x1440@60Hz */
536 	{ DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
537 		   2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
538 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
539 	/* 0x4a - 1920x1440@75Hz */
540 	{ DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2064,
541 		   2288, 2640, 0, 1440, 1441, 1444, 1500, 0,
542 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
543 	/* 0x4b - 1920x1440@120Hz RB */
544 	{ DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 380500, 1920, 1968,
545 		   2000, 2080, 0, 1440, 1443, 1447, 1525, 0,
546 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
547 	/* 0x54 - 2048x1152@60Hz */
548 	{ DRM_MODE("2048x1152", DRM_MODE_TYPE_DRIVER, 162000, 2048, 2074,
549 		   2154, 2250, 0, 1152, 1153, 1156, 1200, 0,
550 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
551 	/* 0x4c - 2560x1600@60Hz RB */
552 	{ DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 268500, 2560, 2608,
553 		   2640, 2720, 0, 1600, 1603, 1609, 1646, 0,
554 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
555 	/* 0x4d - 2560x1600@60Hz */
556 	{ DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
557 		   3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
558 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
559 	/* 0x4e - 2560x1600@75Hz */
560 	{ DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 443250, 2560, 2768,
561 		   3048, 3536, 0, 1600, 1603, 1609, 1672, 0,
562 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
563 	/* 0x4f - 2560x1600@85Hz */
564 	{ DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 505250, 2560, 2768,
565 		   3048, 3536, 0, 1600, 1603, 1609, 1682, 0,
566 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
567 	/* 0x50 - 2560x1600@120Hz RB */
568 	{ DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 552750, 2560, 2608,
569 		   2640, 2720, 0, 1600, 1603, 1609, 1694, 0,
570 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
571 	/* 0x57 - 4096x2160@60Hz RB */
572 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556744, 4096, 4104,
573 		   4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
574 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
575 	/* 0x58 - 4096x2160@59.94Hz RB */
576 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556188, 4096, 4104,
577 		   4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
578 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
579 };
580 
581 /*
582  * These more or less come from the DMT spec.  The 720x400 modes are
583  * inferred from historical 80x25 practice.  The 640x480@67 and 832x624@75
584  * modes are old-school Mac modes.  The EDID spec says the 1152x864@75 mode
585  * should be 1152x870, again for the Mac, but instead we use the x864 DMT
586  * mode.
587  *
588  * The DMT modes have been fact-checked; the rest are mild guesses.
589  */
590 static const struct drm_display_mode edid_est_modes[] = {
591 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
592 		   968, 1056, 0, 600, 601, 605, 628, 0,
593 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@60Hz */
594 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
595 		   896, 1024, 0, 600, 601, 603,  625, 0,
596 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@56Hz */
597 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
598 		   720, 840, 0, 480, 481, 484, 500, 0,
599 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */
600 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
601 		   704,  832, 0, 480, 489, 492, 520, 0,
602 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */
603 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704,
604 		   768,  864, 0, 480, 483, 486, 525, 0,
605 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */
606 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
607 		   752, 800, 0, 480, 490, 492, 525, 0,
608 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */
609 	{ DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738,
610 		   846, 900, 0, 400, 421, 423,  449, 0,
611 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 720x400@88Hz */
612 	{ DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738,
613 		   846,  900, 0, 400, 412, 414, 449, 0,
614 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 720x400@70Hz */
615 	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
616 		   1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
617 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */
618 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
619 		   1136, 1312, 0,  768, 769, 772, 800, 0,
620 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */
621 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
622 		   1184, 1328, 0,  768, 771, 777, 806, 0,
623 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@70Hz */
624 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
625 		   1184, 1344, 0,  768, 771, 777, 806, 0,
626 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@60Hz */
627 	{ DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032,
628 		   1208, 1264, 0, 768, 768, 776, 817, 0,
629 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 1024x768@43Hz */
630 	{ DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864,
631 		   928, 1152, 0, 624, 625, 628, 667, 0,
632 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 832x624@75Hz */
633 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
634 		   896, 1056, 0, 600, 601, 604,  625, 0,
635 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@75Hz */
636 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
637 		   976, 1040, 0, 600, 637, 643, 666, 0,
638 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@72Hz */
639 	{ DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
640 		   1344, 1600, 0,  864, 865, 868, 900, 0,
641 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */
642 };
643 
644 struct minimode {
645 	short w;
646 	short h;
647 	short r;
648 	short rb;
649 };
650 
651 static const struct minimode est3_modes[] = {
652 	/* byte 6 */
653 	{ 640, 350, 85, 0 },
654 	{ 640, 400, 85, 0 },
655 	{ 720, 400, 85, 0 },
656 	{ 640, 480, 85, 0 },
657 	{ 848, 480, 60, 0 },
658 	{ 800, 600, 85, 0 },
659 	{ 1024, 768, 85, 0 },
660 	{ 1152, 864, 75, 0 },
661 	/* byte 7 */
662 	{ 1280, 768, 60, 1 },
663 	{ 1280, 768, 60, 0 },
664 	{ 1280, 768, 75, 0 },
665 	{ 1280, 768, 85, 0 },
666 	{ 1280, 960, 60, 0 },
667 	{ 1280, 960, 85, 0 },
668 	{ 1280, 1024, 60, 0 },
669 	{ 1280, 1024, 85, 0 },
670 	/* byte 8 */
671 	{ 1360, 768, 60, 0 },
672 	{ 1440, 900, 60, 1 },
673 	{ 1440, 900, 60, 0 },
674 	{ 1440, 900, 75, 0 },
675 	{ 1440, 900, 85, 0 },
676 	{ 1400, 1050, 60, 1 },
677 	{ 1400, 1050, 60, 0 },
678 	{ 1400, 1050, 75, 0 },
679 	/* byte 9 */
680 	{ 1400, 1050, 85, 0 },
681 	{ 1680, 1050, 60, 1 },
682 	{ 1680, 1050, 60, 0 },
683 	{ 1680, 1050, 75, 0 },
684 	{ 1680, 1050, 85, 0 },
685 	{ 1600, 1200, 60, 0 },
686 	{ 1600, 1200, 65, 0 },
687 	{ 1600, 1200, 70, 0 },
688 	/* byte 10 */
689 	{ 1600, 1200, 75, 0 },
690 	{ 1600, 1200, 85, 0 },
691 	{ 1792, 1344, 60, 0 },
692 	{ 1792, 1344, 75, 0 },
693 	{ 1856, 1392, 60, 0 },
694 	{ 1856, 1392, 75, 0 },
695 	{ 1920, 1200, 60, 1 },
696 	{ 1920, 1200, 60, 0 },
697 	/* byte 11 */
698 	{ 1920, 1200, 75, 0 },
699 	{ 1920, 1200, 85, 0 },
700 	{ 1920, 1440, 60, 0 },
701 	{ 1920, 1440, 75, 0 },
702 };
703 
704 static const struct minimode extra_modes[] = {
705 	{ 1024, 576,  60, 0 },
706 	{ 1366, 768,  60, 0 },
707 	{ 1600, 900,  60, 0 },
708 	{ 1680, 945,  60, 0 },
709 	{ 1920, 1080, 60, 0 },
710 	{ 2048, 1152, 60, 0 },
711 	{ 2048, 1536, 60, 0 },
712 };
713 
714 /*
715  * From CEA/CTA-861 spec.
716  *
717  * Do not access directly, instead always use cea_mode_for_vic().
718  */
719 static const struct drm_display_mode edid_cea_modes_1[] = {
720 	/* 1 - 640x480@60Hz 4:3 */
721 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
722 		   752, 800, 0, 480, 490, 492, 525, 0,
723 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
724 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
725 	/* 2 - 720x480@60Hz 4:3 */
726 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
727 		   798, 858, 0, 480, 489, 495, 525, 0,
728 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
729 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
730 	/* 3 - 720x480@60Hz 16:9 */
731 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
732 		   798, 858, 0, 480, 489, 495, 525, 0,
733 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
734 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
735 	/* 4 - 1280x720@60Hz 16:9 */
736 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
737 		   1430, 1650, 0, 720, 725, 730, 750, 0,
738 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
739 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
740 	/* 5 - 1920x1080i@60Hz 16:9 */
741 	{ DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
742 		   2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
743 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
744 		   DRM_MODE_FLAG_INTERLACE),
745 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
746 	/* 6 - 720(1440)x480i@60Hz 4:3 */
747 	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
748 		   801, 858, 0, 480, 488, 494, 525, 0,
749 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
750 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
751 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
752 	/* 7 - 720(1440)x480i@60Hz 16:9 */
753 	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
754 		   801, 858, 0, 480, 488, 494, 525, 0,
755 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
756 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
757 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
758 	/* 8 - 720(1440)x240@60Hz 4:3 */
759 	{ DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
760 		   801, 858, 0, 240, 244, 247, 262, 0,
761 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
762 		   DRM_MODE_FLAG_DBLCLK),
763 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
764 	/* 9 - 720(1440)x240@60Hz 16:9 */
765 	{ DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
766 		   801, 858, 0, 240, 244, 247, 262, 0,
767 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
768 		   DRM_MODE_FLAG_DBLCLK),
769 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
770 	/* 10 - 2880x480i@60Hz 4:3 */
771 	{ DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
772 		   3204, 3432, 0, 480, 488, 494, 525, 0,
773 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
774 		   DRM_MODE_FLAG_INTERLACE),
775 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
776 	/* 11 - 2880x480i@60Hz 16:9 */
777 	{ DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
778 		   3204, 3432, 0, 480, 488, 494, 525, 0,
779 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
780 		   DRM_MODE_FLAG_INTERLACE),
781 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
782 	/* 12 - 2880x240@60Hz 4:3 */
783 	{ DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
784 		   3204, 3432, 0, 240, 244, 247, 262, 0,
785 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
786 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
787 	/* 13 - 2880x240@60Hz 16:9 */
788 	{ DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
789 		   3204, 3432, 0, 240, 244, 247, 262, 0,
790 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
791 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
792 	/* 14 - 1440x480@60Hz 4:3 */
793 	{ DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
794 		   1596, 1716, 0, 480, 489, 495, 525, 0,
795 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
796 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
797 	/* 15 - 1440x480@60Hz 16:9 */
798 	{ DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
799 		   1596, 1716, 0, 480, 489, 495, 525, 0,
800 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
801 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
802 	/* 16 - 1920x1080@60Hz 16:9 */
803 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
804 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
805 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
806 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
807 	/* 17 - 720x576@50Hz 4:3 */
808 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
809 		   796, 864, 0, 576, 581, 586, 625, 0,
810 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
811 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
812 	/* 18 - 720x576@50Hz 16:9 */
813 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
814 		   796, 864, 0, 576, 581, 586, 625, 0,
815 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
816 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
817 	/* 19 - 1280x720@50Hz 16:9 */
818 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
819 		   1760, 1980, 0, 720, 725, 730, 750, 0,
820 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
821 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
822 	/* 20 - 1920x1080i@50Hz 16:9 */
823 	{ DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
824 		   2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
825 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
826 		   DRM_MODE_FLAG_INTERLACE),
827 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
828 	/* 21 - 720(1440)x576i@50Hz 4:3 */
829 	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
830 		   795, 864, 0, 576, 580, 586, 625, 0,
831 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
832 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
833 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
834 	/* 22 - 720(1440)x576i@50Hz 16:9 */
835 	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
836 		   795, 864, 0, 576, 580, 586, 625, 0,
837 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
838 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
839 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
840 	/* 23 - 720(1440)x288@50Hz 4:3 */
841 	{ DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
842 		   795, 864, 0, 288, 290, 293, 312, 0,
843 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
844 		   DRM_MODE_FLAG_DBLCLK),
845 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
846 	/* 24 - 720(1440)x288@50Hz 16:9 */
847 	{ DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
848 		   795, 864, 0, 288, 290, 293, 312, 0,
849 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
850 		   DRM_MODE_FLAG_DBLCLK),
851 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
852 	/* 25 - 2880x576i@50Hz 4:3 */
853 	{ DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
854 		   3180, 3456, 0, 576, 580, 586, 625, 0,
855 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
856 		   DRM_MODE_FLAG_INTERLACE),
857 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
858 	/* 26 - 2880x576i@50Hz 16:9 */
859 	{ DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
860 		   3180, 3456, 0, 576, 580, 586, 625, 0,
861 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
862 		   DRM_MODE_FLAG_INTERLACE),
863 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
864 	/* 27 - 2880x288@50Hz 4:3 */
865 	{ DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
866 		   3180, 3456, 0, 288, 290, 293, 312, 0,
867 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
868 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
869 	/* 28 - 2880x288@50Hz 16:9 */
870 	{ DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
871 		   3180, 3456, 0, 288, 290, 293, 312, 0,
872 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
873 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
874 	/* 29 - 1440x576@50Hz 4:3 */
875 	{ DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
876 		   1592, 1728, 0, 576, 581, 586, 625, 0,
877 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
878 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
879 	/* 30 - 1440x576@50Hz 16:9 */
880 	{ DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
881 		   1592, 1728, 0, 576, 581, 586, 625, 0,
882 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
883 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
884 	/* 31 - 1920x1080@50Hz 16:9 */
885 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
886 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
887 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
888 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
889 	/* 32 - 1920x1080@24Hz 16:9 */
890 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
891 		   2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
892 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
893 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
894 	/* 33 - 1920x1080@25Hz 16:9 */
895 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
896 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
897 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
898 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
899 	/* 34 - 1920x1080@30Hz 16:9 */
900 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
901 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
902 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
903 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
904 	/* 35 - 2880x480@60Hz 4:3 */
905 	{ DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
906 		   3192, 3432, 0, 480, 489, 495, 525, 0,
907 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
908 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
909 	/* 36 - 2880x480@60Hz 16:9 */
910 	{ DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
911 		   3192, 3432, 0, 480, 489, 495, 525, 0,
912 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
913 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
914 	/* 37 - 2880x576@50Hz 4:3 */
915 	{ DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
916 		   3184, 3456, 0, 576, 581, 586, 625, 0,
917 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
918 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
919 	/* 38 - 2880x576@50Hz 16:9 */
920 	{ DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
921 		   3184, 3456, 0, 576, 581, 586, 625, 0,
922 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
923 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
924 	/* 39 - 1920x1080i@50Hz 16:9 */
925 	{ DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 72000, 1920, 1952,
926 		   2120, 2304, 0, 1080, 1126, 1136, 1250, 0,
927 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC |
928 		   DRM_MODE_FLAG_INTERLACE),
929 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
930 	/* 40 - 1920x1080i@100Hz 16:9 */
931 	{ DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
932 		   2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
933 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
934 		   DRM_MODE_FLAG_INTERLACE),
935 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
936 	/* 41 - 1280x720@100Hz 16:9 */
937 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
938 		   1760, 1980, 0, 720, 725, 730, 750, 0,
939 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
940 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
941 	/* 42 - 720x576@100Hz 4:3 */
942 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
943 		   796, 864, 0, 576, 581, 586, 625, 0,
944 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
945 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
946 	/* 43 - 720x576@100Hz 16:9 */
947 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
948 		   796, 864, 0, 576, 581, 586, 625, 0,
949 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
950 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
951 	/* 44 - 720(1440)x576i@100Hz 4:3 */
952 	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
953 		   795, 864, 0, 576, 580, 586, 625, 0,
954 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
955 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
956 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
957 	/* 45 - 720(1440)x576i@100Hz 16:9 */
958 	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
959 		   795, 864, 0, 576, 580, 586, 625, 0,
960 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
961 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
962 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
963 	/* 46 - 1920x1080i@120Hz 16:9 */
964 	{ DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
965 		   2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
966 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
967 		   DRM_MODE_FLAG_INTERLACE),
968 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
969 	/* 47 - 1280x720@120Hz 16:9 */
970 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
971 		   1430, 1650, 0, 720, 725, 730, 750, 0,
972 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
973 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
974 	/* 48 - 720x480@120Hz 4:3 */
975 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
976 		   798, 858, 0, 480, 489, 495, 525, 0,
977 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
978 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
979 	/* 49 - 720x480@120Hz 16:9 */
980 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
981 		   798, 858, 0, 480, 489, 495, 525, 0,
982 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
983 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
984 	/* 50 - 720(1440)x480i@120Hz 4:3 */
985 	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
986 		   801, 858, 0, 480, 488, 494, 525, 0,
987 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
988 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
989 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
990 	/* 51 - 720(1440)x480i@120Hz 16:9 */
991 	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
992 		   801, 858, 0, 480, 488, 494, 525, 0,
993 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
994 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
995 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
996 	/* 52 - 720x576@200Hz 4:3 */
997 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
998 		   796, 864, 0, 576, 581, 586, 625, 0,
999 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1000 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1001 	/* 53 - 720x576@200Hz 16:9 */
1002 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
1003 		   796, 864, 0, 576, 581, 586, 625, 0,
1004 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1005 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1006 	/* 54 - 720(1440)x576i@200Hz 4:3 */
1007 	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1008 		   795, 864, 0, 576, 580, 586, 625, 0,
1009 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1010 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1011 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1012 	/* 55 - 720(1440)x576i@200Hz 16:9 */
1013 	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1014 		   795, 864, 0, 576, 580, 586, 625, 0,
1015 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1016 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1017 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1018 	/* 56 - 720x480@240Hz 4:3 */
1019 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1020 		   798, 858, 0, 480, 489, 495, 525, 0,
1021 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1022 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1023 	/* 57 - 720x480@240Hz 16:9 */
1024 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1025 		   798, 858, 0, 480, 489, 495, 525, 0,
1026 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1027 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1028 	/* 58 - 720(1440)x480i@240Hz 4:3 */
1029 	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1030 		   801, 858, 0, 480, 488, 494, 525, 0,
1031 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1032 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1033 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1034 	/* 59 - 720(1440)x480i@240Hz 16:9 */
1035 	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1036 		   801, 858, 0, 480, 488, 494, 525, 0,
1037 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1038 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1039 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1040 	/* 60 - 1280x720@24Hz 16:9 */
1041 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1042 		   3080, 3300, 0, 720, 725, 730, 750, 0,
1043 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1044 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1045 	/* 61 - 1280x720@25Hz 16:9 */
1046 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1047 		   3740, 3960, 0, 720, 725, 730, 750, 0,
1048 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1049 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1050 	/* 62 - 1280x720@30Hz 16:9 */
1051 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1052 		   3080, 3300, 0, 720, 725, 730, 750, 0,
1053 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1054 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1055 	/* 63 - 1920x1080@120Hz 16:9 */
1056 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1057 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1058 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1059 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1060 	/* 64 - 1920x1080@100Hz 16:9 */
1061 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1062 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1063 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1064 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1065 	/* 65 - 1280x720@24Hz 64:27 */
1066 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1067 		   3080, 3300, 0, 720, 725, 730, 750, 0,
1068 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1069 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1070 	/* 66 - 1280x720@25Hz 64:27 */
1071 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1072 		   3740, 3960, 0, 720, 725, 730, 750, 0,
1073 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1074 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1075 	/* 67 - 1280x720@30Hz 64:27 */
1076 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1077 		   3080, 3300, 0, 720, 725, 730, 750, 0,
1078 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1079 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1080 	/* 68 - 1280x720@50Hz 64:27 */
1081 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
1082 		   1760, 1980, 0, 720, 725, 730, 750, 0,
1083 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1084 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1085 	/* 69 - 1280x720@60Hz 64:27 */
1086 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
1087 		   1430, 1650, 0, 720, 725, 730, 750, 0,
1088 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1089 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1090 	/* 70 - 1280x720@100Hz 64:27 */
1091 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
1092 		   1760, 1980, 0, 720, 725, 730, 750, 0,
1093 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1094 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1095 	/* 71 - 1280x720@120Hz 64:27 */
1096 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
1097 		   1430, 1650, 0, 720, 725, 730, 750, 0,
1098 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1099 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1100 	/* 72 - 1920x1080@24Hz 64:27 */
1101 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
1102 		   2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1103 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1104 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1105 	/* 73 - 1920x1080@25Hz 64:27 */
1106 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
1107 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1108 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1109 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1110 	/* 74 - 1920x1080@30Hz 64:27 */
1111 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
1112 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1113 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1114 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1115 	/* 75 - 1920x1080@50Hz 64:27 */
1116 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
1117 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1118 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1119 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1120 	/* 76 - 1920x1080@60Hz 64:27 */
1121 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
1122 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1123 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1124 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1125 	/* 77 - 1920x1080@100Hz 64:27 */
1126 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1127 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1128 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1129 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1130 	/* 78 - 1920x1080@120Hz 64:27 */
1131 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1132 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1133 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1134 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1135 	/* 79 - 1680x720@24Hz 64:27 */
1136 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 3040,
1137 		   3080, 3300, 0, 720, 725, 730, 750, 0,
1138 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1139 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1140 	/* 80 - 1680x720@25Hz 64:27 */
1141 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2908,
1142 		   2948, 3168, 0, 720, 725, 730, 750, 0,
1143 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1144 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1145 	/* 81 - 1680x720@30Hz 64:27 */
1146 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2380,
1147 		   2420, 2640, 0, 720, 725, 730, 750, 0,
1148 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1149 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1150 	/* 82 - 1680x720@50Hz 64:27 */
1151 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 82500, 1680, 1940,
1152 		   1980, 2200, 0, 720, 725, 730, 750, 0,
1153 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1154 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1155 	/* 83 - 1680x720@60Hz 64:27 */
1156 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 1940,
1157 		   1980, 2200, 0, 720, 725, 730, 750, 0,
1158 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1159 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1160 	/* 84 - 1680x720@100Hz 64:27 */
1161 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 165000, 1680, 1740,
1162 		   1780, 2000, 0, 720, 725, 730, 825, 0,
1163 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1164 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1165 	/* 85 - 1680x720@120Hz 64:27 */
1166 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 198000, 1680, 1740,
1167 		   1780, 2000, 0, 720, 725, 730, 825, 0,
1168 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1169 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1170 	/* 86 - 2560x1080@24Hz 64:27 */
1171 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 99000, 2560, 3558,
1172 		   3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1173 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1174 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1175 	/* 87 - 2560x1080@25Hz 64:27 */
1176 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 90000, 2560, 3008,
1177 		   3052, 3200, 0, 1080, 1084, 1089, 1125, 0,
1178 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1179 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1180 	/* 88 - 2560x1080@30Hz 64:27 */
1181 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 118800, 2560, 3328,
1182 		   3372, 3520, 0, 1080, 1084, 1089, 1125, 0,
1183 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1184 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1185 	/* 89 - 2560x1080@50Hz 64:27 */
1186 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 185625, 2560, 3108,
1187 		   3152, 3300, 0, 1080, 1084, 1089, 1125, 0,
1188 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1189 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1190 	/* 90 - 2560x1080@60Hz 64:27 */
1191 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 2808,
1192 		   2852, 3000, 0, 1080, 1084, 1089, 1100, 0,
1193 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1194 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1195 	/* 91 - 2560x1080@100Hz 64:27 */
1196 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 371250, 2560, 2778,
1197 		   2822, 2970, 0, 1080, 1084, 1089, 1250, 0,
1198 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1199 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1200 	/* 92 - 2560x1080@120Hz 64:27 */
1201 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 495000, 2560, 3108,
1202 		   3152, 3300, 0, 1080, 1084, 1089, 1250, 0,
1203 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1204 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1205 	/* 93 - 3840x2160@24Hz 16:9 */
1206 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1207 		   5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1208 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1209 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1210 	/* 94 - 3840x2160@25Hz 16:9 */
1211 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1212 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1213 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1214 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1215 	/* 95 - 3840x2160@30Hz 16:9 */
1216 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1217 		   4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1218 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1219 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1220 	/* 96 - 3840x2160@50Hz 16:9 */
1221 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1222 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1223 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1224 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1225 	/* 97 - 3840x2160@60Hz 16:9 */
1226 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1227 		   4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1228 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1229 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1230 	/* 98 - 4096x2160@24Hz 256:135 */
1231 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5116,
1232 		   5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1233 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1234 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1235 	/* 99 - 4096x2160@25Hz 256:135 */
1236 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5064,
1237 		   5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1238 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1239 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1240 	/* 100 - 4096x2160@30Hz 256:135 */
1241 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 4184,
1242 		   4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1243 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1244 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1245 	/* 101 - 4096x2160@50Hz 256:135 */
1246 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5064,
1247 		   5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1248 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1249 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1250 	/* 102 - 4096x2160@60Hz 256:135 */
1251 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 4184,
1252 		   4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1253 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1254 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1255 	/* 103 - 3840x2160@24Hz 64:27 */
1256 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1257 		   5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1258 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1259 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1260 	/* 104 - 3840x2160@25Hz 64:27 */
1261 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1262 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1263 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1264 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1265 	/* 105 - 3840x2160@30Hz 64:27 */
1266 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1267 		   4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1268 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1269 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1270 	/* 106 - 3840x2160@50Hz 64:27 */
1271 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1272 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1273 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1274 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1275 	/* 107 - 3840x2160@60Hz 64:27 */
1276 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1277 		   4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1278 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1279 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1280 	/* 108 - 1280x720@48Hz 16:9 */
1281 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1282 		   2280, 2500, 0, 720, 725, 730, 750, 0,
1283 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1284 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1285 	/* 109 - 1280x720@48Hz 64:27 */
1286 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1287 		   2280, 2500, 0, 720, 725, 730, 750, 0,
1288 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1289 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1290 	/* 110 - 1680x720@48Hz 64:27 */
1291 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 2490,
1292 		   2530, 2750, 0, 720, 725, 730, 750, 0,
1293 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1294 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1295 	/* 111 - 1920x1080@48Hz 16:9 */
1296 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1297 		   2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1298 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1299 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1300 	/* 112 - 1920x1080@48Hz 64:27 */
1301 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1302 		   2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1303 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1304 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1305 	/* 113 - 2560x1080@48Hz 64:27 */
1306 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 3558,
1307 		   3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1308 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1309 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1310 	/* 114 - 3840x2160@48Hz 16:9 */
1311 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1312 		   5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1313 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1314 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1315 	/* 115 - 4096x2160@48Hz 256:135 */
1316 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5116,
1317 		   5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1318 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1319 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1320 	/* 116 - 3840x2160@48Hz 64:27 */
1321 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1322 		   5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1323 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1324 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1325 	/* 117 - 3840x2160@100Hz 16:9 */
1326 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1327 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1328 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1329 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1330 	/* 118 - 3840x2160@120Hz 16:9 */
1331 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1332 		   4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1333 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1334 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1335 	/* 119 - 3840x2160@100Hz 64:27 */
1336 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1337 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1338 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1339 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1340 	/* 120 - 3840x2160@120Hz 64:27 */
1341 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1342 		   4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1343 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1344 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1345 	/* 121 - 5120x2160@24Hz 64:27 */
1346 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 7116,
1347 		   7204, 7500, 0, 2160, 2168, 2178, 2200, 0,
1348 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1349 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1350 	/* 122 - 5120x2160@25Hz 64:27 */
1351 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 6816,
1352 		   6904, 7200, 0, 2160, 2168, 2178, 2200, 0,
1353 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1354 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1355 	/* 123 - 5120x2160@30Hz 64:27 */
1356 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 5784,
1357 		   5872, 6000, 0, 2160, 2168, 2178, 2200, 0,
1358 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1359 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1360 	/* 124 - 5120x2160@48Hz 64:27 */
1361 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5866,
1362 		   5954, 6250, 0, 2160, 2168, 2178, 2475, 0,
1363 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1364 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1365 	/* 125 - 5120x2160@50Hz 64:27 */
1366 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 6216,
1367 		   6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1368 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1369 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1370 	/* 126 - 5120x2160@60Hz 64:27 */
1371 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5284,
1372 		   5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1373 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1374 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1375 	/* 127 - 5120x2160@100Hz 64:27 */
1376 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 6216,
1377 		   6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1378 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1379 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1380 };
1381 
1382 /*
1383  * From CEA/CTA-861 spec.
1384  *
1385  * Do not access directly, instead always use cea_mode_for_vic().
1386  */
1387 static const struct drm_display_mode edid_cea_modes_193[] = {
1388 	/* 193 - 5120x2160@120Hz 64:27 */
1389 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 5284,
1390 		   5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1391 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1392 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1393 	/* 194 - 7680x4320@24Hz 16:9 */
1394 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1395 		   10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1396 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1397 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1398 	/* 195 - 7680x4320@25Hz 16:9 */
1399 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1400 		   10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1401 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1402 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1403 	/* 196 - 7680x4320@30Hz 16:9 */
1404 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1405 		   8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1406 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1407 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1408 	/* 197 - 7680x4320@48Hz 16:9 */
1409 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1410 		   10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1411 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1412 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1413 	/* 198 - 7680x4320@50Hz 16:9 */
1414 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1415 		   10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1416 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1417 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1418 	/* 199 - 7680x4320@60Hz 16:9 */
1419 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1420 		   8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1421 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1422 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1423 	/* 200 - 7680x4320@100Hz 16:9 */
1424 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1425 		   9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1426 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1427 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1428 	/* 201 - 7680x4320@120Hz 16:9 */
1429 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1430 		   8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1431 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1432 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1433 	/* 202 - 7680x4320@24Hz 64:27 */
1434 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1435 		   10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1436 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1437 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1438 	/* 203 - 7680x4320@25Hz 64:27 */
1439 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1440 		   10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1441 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1442 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1443 	/* 204 - 7680x4320@30Hz 64:27 */
1444 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1445 		   8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1446 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1447 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1448 	/* 205 - 7680x4320@48Hz 64:27 */
1449 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1450 		   10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1451 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1452 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1453 	/* 206 - 7680x4320@50Hz 64:27 */
1454 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1455 		   10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1456 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1457 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1458 	/* 207 - 7680x4320@60Hz 64:27 */
1459 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1460 		   8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1461 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1462 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1463 	/* 208 - 7680x4320@100Hz 64:27 */
1464 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1465 		   9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1466 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1467 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1468 	/* 209 - 7680x4320@120Hz 64:27 */
1469 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1470 		   8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1471 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1472 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1473 	/* 210 - 10240x4320@24Hz 64:27 */
1474 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 11732,
1475 		   11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1476 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1477 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1478 	/* 211 - 10240x4320@25Hz 64:27 */
1479 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 12732,
1480 		   12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1481 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1482 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1483 	/* 212 - 10240x4320@30Hz 64:27 */
1484 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 10528,
1485 		   10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1486 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1487 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1488 	/* 213 - 10240x4320@48Hz 64:27 */
1489 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 11732,
1490 		   11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1491 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1492 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1493 	/* 214 - 10240x4320@50Hz 64:27 */
1494 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 12732,
1495 		   12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1496 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1497 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1498 	/* 215 - 10240x4320@60Hz 64:27 */
1499 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 10528,
1500 		   10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1501 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1502 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1503 	/* 216 - 10240x4320@100Hz 64:27 */
1504 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 12432,
1505 		   12608, 13200, 0, 4320, 4336, 4356, 4500, 0,
1506 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1507 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1508 	/* 217 - 10240x4320@120Hz 64:27 */
1509 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 10528,
1510 		   10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1511 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1512 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1513 	/* 218 - 4096x2160@100Hz 256:135 */
1514 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4896,
1515 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1516 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1517 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1518 	/* 219 - 4096x2160@120Hz 256:135 */
1519 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4184,
1520 		   4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1521 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1522 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1523 };
1524 
1525 /*
1526  * HDMI 1.4 4k modes. Index using the VIC.
1527  */
1528 static const struct drm_display_mode edid_4k_modes[] = {
1529 	/* 0 - dummy, VICs start at 1 */
1530 	{ },
1531 	/* 1 - 3840x2160@30Hz */
1532 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1533 		   3840, 4016, 4104, 4400, 0,
1534 		   2160, 2168, 2178, 2250, 0,
1535 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1536 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1537 	/* 2 - 3840x2160@25Hz */
1538 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1539 		   3840, 4896, 4984, 5280, 0,
1540 		   2160, 2168, 2178, 2250, 0,
1541 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1542 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1543 	/* 3 - 3840x2160@24Hz */
1544 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1545 		   3840, 5116, 5204, 5500, 0,
1546 		   2160, 2168, 2178, 2250, 0,
1547 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1548 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1549 	/* 4 - 4096x2160@24Hz (SMPTE) */
1550 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000,
1551 		   4096, 5116, 5204, 5500, 0,
1552 		   2160, 2168, 2178, 2250, 0,
1553 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1554 	  .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1555 };
1556 
1557 /*** DDC fetch and block validation ***/
1558 
1559 static const u8 edid_header[] = {
1560 	0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
1561 };
1562 
1563 /**
1564  * drm_edid_header_is_valid - sanity check the header of the base EDID block
1565  * @raw_edid: pointer to raw base EDID block
1566  *
1567  * Sanity check the header of the base EDID block.
1568  *
1569  * Return: 8 if the header is perfect, down to 0 if it's totally wrong.
1570  */
1571 int drm_edid_header_is_valid(const u8 *raw_edid)
1572 {
1573 	int i, score = 0;
1574 
1575 	for (i = 0; i < sizeof(edid_header); i++)
1576 		if (raw_edid[i] == edid_header[i])
1577 			score++;
1578 
1579 	return score;
1580 }
1581 EXPORT_SYMBOL(drm_edid_header_is_valid);
1582 
1583 static int edid_fixup __read_mostly = 6;
1584 module_param_named(edid_fixup, edid_fixup, int, 0400);
1585 MODULE_PARM_DESC(edid_fixup,
1586 		 "Minimum number of valid EDID header bytes (0-8, default 6)");
1587 
1588 static int drm_edid_block_checksum(const u8 *raw_edid)
1589 {
1590 	int i;
1591 	u8 csum = 0, crc = 0;
1592 
1593 	for (i = 0; i < EDID_LENGTH - 1; i++)
1594 		csum += raw_edid[i];
1595 
1596 	crc = 0x100 - csum;
1597 
1598 	return crc;
1599 }
1600 
1601 static bool drm_edid_block_checksum_diff(const u8 *raw_edid, u8 real_checksum)
1602 {
1603 	if (raw_edid[EDID_LENGTH - 1] != real_checksum)
1604 		return true;
1605 	else
1606 		return false;
1607 }
1608 
1609 static bool drm_edid_is_zero(const u8 *in_edid, int length)
1610 {
1611 	if (memchr_inv(in_edid, 0, length))
1612 		return false;
1613 
1614 	return true;
1615 }
1616 
1617 /**
1618  * drm_edid_are_equal - compare two edid blobs.
1619  * @edid1: pointer to first blob
1620  * @edid2: pointer to second blob
1621  * This helper can be used during probing to determine if
1622  * edid had changed.
1623  */
1624 bool drm_edid_are_equal(const struct edid *edid1, const struct edid *edid2)
1625 {
1626 	int edid1_len, edid2_len;
1627 	bool edid1_present = edid1 != NULL;
1628 	bool edid2_present = edid2 != NULL;
1629 
1630 	if (edid1_present != edid2_present)
1631 		return false;
1632 
1633 	if (edid1) {
1634 		edid1_len = EDID_LENGTH * (1 + edid1->extensions);
1635 		edid2_len = EDID_LENGTH * (1 + edid2->extensions);
1636 
1637 		if (edid1_len != edid2_len)
1638 			return false;
1639 
1640 		if (memcmp(edid1, edid2, edid1_len))
1641 			return false;
1642 	}
1643 
1644 	return true;
1645 }
1646 EXPORT_SYMBOL(drm_edid_are_equal);
1647 
1648 /**
1649  * drm_edid_block_valid - Sanity check the EDID block (base or extension)
1650  * @raw_edid: pointer to raw EDID block
1651  * @block: type of block to validate (0 for base, extension otherwise)
1652  * @print_bad_edid: if true, dump bad EDID blocks to the console
1653  * @edid_corrupt: if true, the header or checksum is invalid
1654  *
1655  * Validate a base or extension EDID block and optionally dump bad blocks to
1656  * the console.
1657  *
1658  * Return: True if the block is valid, false otherwise.
1659  */
1660 bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid,
1661 			  bool *edid_corrupt)
1662 {
1663 	u8 csum;
1664 	struct edid *edid = (struct edid *)raw_edid;
1665 
1666 	if (WARN_ON(!raw_edid))
1667 		return false;
1668 
1669 	if (edid_fixup > 8 || edid_fixup < 0)
1670 		edid_fixup = 6;
1671 
1672 	if (block == 0) {
1673 		int score = drm_edid_header_is_valid(raw_edid);
1674 
1675 		if (score == 8) {
1676 			if (edid_corrupt)
1677 				*edid_corrupt = false;
1678 		} else if (score >= edid_fixup) {
1679 			/* Displayport Link CTS Core 1.2 rev1.1 test 4.2.2.6
1680 			 * The corrupt flag needs to be set here otherwise, the
1681 			 * fix-up code here will correct the problem, the
1682 			 * checksum is correct and the test fails
1683 			 */
1684 			if (edid_corrupt)
1685 				*edid_corrupt = true;
1686 			DRM_DEBUG("Fixing EDID header, your hardware may be failing\n");
1687 			memcpy(raw_edid, edid_header, sizeof(edid_header));
1688 		} else {
1689 			if (edid_corrupt)
1690 				*edid_corrupt = true;
1691 			goto bad;
1692 		}
1693 	}
1694 
1695 	csum = drm_edid_block_checksum(raw_edid);
1696 	if (drm_edid_block_checksum_diff(raw_edid, csum)) {
1697 		if (edid_corrupt)
1698 			*edid_corrupt = true;
1699 
1700 		/* allow CEA to slide through, switches mangle this */
1701 		if (raw_edid[0] == CEA_EXT) {
1702 			DRM_DEBUG("EDID checksum is invalid, remainder is %d\n", csum);
1703 			DRM_DEBUG("Assuming a KVM switch modified the CEA block but left the original checksum\n");
1704 		} else {
1705 			if (print_bad_edid)
1706 				DRM_NOTE("EDID checksum is invalid, remainder is %d\n", csum);
1707 
1708 			goto bad;
1709 		}
1710 	}
1711 
1712 	/* per-block-type checks */
1713 	switch (raw_edid[0]) {
1714 	case 0: /* base */
1715 		if (edid->version != 1) {
1716 			DRM_NOTE("EDID has major version %d, instead of 1\n", edid->version);
1717 			goto bad;
1718 		}
1719 
1720 		if (edid->revision > 4)
1721 			DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n");
1722 		break;
1723 
1724 	default:
1725 		break;
1726 	}
1727 
1728 	return true;
1729 
1730 bad:
1731 	if (print_bad_edid) {
1732 		if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) {
1733 			pr_notice("EDID block is all zeroes\n");
1734 		} else {
1735 			pr_notice("Raw EDID:\n");
1736 			print_hex_dump(KERN_NOTICE,
1737 				       " \t", DUMP_PREFIX_NONE, 16, 1,
1738 				       raw_edid, EDID_LENGTH, false);
1739 		}
1740 	}
1741 	return false;
1742 }
1743 EXPORT_SYMBOL(drm_edid_block_valid);
1744 
1745 /**
1746  * drm_edid_is_valid - sanity check EDID data
1747  * @edid: EDID data
1748  *
1749  * Sanity-check an entire EDID record (including extensions)
1750  *
1751  * Return: True if the EDID data is valid, false otherwise.
1752  */
1753 bool drm_edid_is_valid(struct edid *edid)
1754 {
1755 	int i;
1756 	u8 *raw = (u8 *)edid;
1757 
1758 	if (!edid)
1759 		return false;
1760 
1761 	for (i = 0; i <= edid->extensions; i++)
1762 		if (!drm_edid_block_valid(raw + i * EDID_LENGTH, i, true, NULL))
1763 			return false;
1764 
1765 	return true;
1766 }
1767 EXPORT_SYMBOL(drm_edid_is_valid);
1768 
1769 #define DDC_SEGMENT_ADDR 0x30
1770 /**
1771  * drm_do_probe_ddc_edid() - get EDID information via I2C
1772  * @data: I2C device adapter
1773  * @buf: EDID data buffer to be filled
1774  * @block: 128 byte EDID block to start fetching from
1775  * @len: EDID data buffer length to fetch
1776  *
1777  * Try to fetch EDID information by calling I2C driver functions.
1778  *
1779  * Return: 0 on success or -1 on failure.
1780  */
1781 static int
1782 drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len)
1783 {
1784 	struct i2c_adapter *adapter = data;
1785 	unsigned char start = block * EDID_LENGTH;
1786 	unsigned char segment = block >> 1;
1787 	unsigned char xfers = segment ? 3 : 2;
1788 	int ret, retries = 5;
1789 
1790 	/*
1791 	 * The core I2C driver will automatically retry the transfer if the
1792 	 * adapter reports EAGAIN. However, we find that bit-banging transfers
1793 	 * are susceptible to errors under a heavily loaded machine and
1794 	 * generate spurious NAKs and timeouts. Retrying the transfer
1795 	 * of the individual block a few times seems to overcome this.
1796 	 */
1797 	do {
1798 		struct i2c_msg msgs[] = {
1799 			{
1800 				.addr	= DDC_SEGMENT_ADDR,
1801 				.flags	= 0,
1802 				.len	= 1,
1803 				.buf	= &segment,
1804 			}, {
1805 				.addr	= DDC_ADDR,
1806 				.flags	= 0,
1807 				.len	= 1,
1808 				.buf	= &start,
1809 			}, {
1810 				.addr	= DDC_ADDR,
1811 				.flags	= I2C_M_RD,
1812 				.len	= len,
1813 				.buf	= buf,
1814 			}
1815 		};
1816 
1817 		/*
1818 		 * Avoid sending the segment addr to not upset non-compliant
1819 		 * DDC monitors.
1820 		 */
1821 		ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers);
1822 
1823 		if (ret == -ENXIO) {
1824 			DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n",
1825 					adapter->name);
1826 			break;
1827 		}
1828 	} while (ret != xfers && --retries);
1829 
1830 	return ret == xfers ? 0 : -1;
1831 }
1832 
1833 static void connector_bad_edid(struct drm_connector *connector,
1834 			       u8 *edid, int num_blocks)
1835 {
1836 	int i;
1837 	u8 num_of_ext = edid[0x7e];
1838 
1839 	/* Calculate real checksum for the last edid extension block data */
1840 	connector->real_edid_checksum =
1841 		drm_edid_block_checksum(edid + num_of_ext * EDID_LENGTH);
1842 
1843 	if (connector->bad_edid_counter++ && !drm_debug_enabled(DRM_UT_KMS))
1844 		return;
1845 
1846 	drm_dbg_kms(connector->dev, "%s: EDID is invalid:\n", connector->name);
1847 	for (i = 0; i < num_blocks; i++) {
1848 		u8 *block = edid + i * EDID_LENGTH;
1849 		char prefix[20];
1850 
1851 		if (drm_edid_is_zero(block, EDID_LENGTH))
1852 			sprintf(prefix, "\t[%02x] ZERO ", i);
1853 		else if (!drm_edid_block_valid(block, i, false, NULL))
1854 			sprintf(prefix, "\t[%02x] BAD  ", i);
1855 		else
1856 			sprintf(prefix, "\t[%02x] GOOD ", i);
1857 
1858 		print_hex_dump(KERN_DEBUG,
1859 			       prefix, DUMP_PREFIX_NONE, 16, 1,
1860 			       block, EDID_LENGTH, false);
1861 	}
1862 }
1863 
1864 /* Get override or firmware EDID */
1865 static struct edid *drm_get_override_edid(struct drm_connector *connector)
1866 {
1867 	struct edid *override = NULL;
1868 
1869 	if (connector->override_edid)
1870 		override = drm_edid_duplicate(connector->edid_blob_ptr->data);
1871 
1872 	if (!override)
1873 		override = drm_load_edid_firmware(connector);
1874 
1875 	return IS_ERR(override) ? NULL : override;
1876 }
1877 
1878 /**
1879  * drm_add_override_edid_modes - add modes from override/firmware EDID
1880  * @connector: connector we're probing
1881  *
1882  * Add modes from the override/firmware EDID, if available. Only to be used from
1883  * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe
1884  * failed during drm_get_edid() and caused the override/firmware EDID to be
1885  * skipped.
1886  *
1887  * Return: The number of modes added or 0 if we couldn't find any.
1888  */
1889 int drm_add_override_edid_modes(struct drm_connector *connector)
1890 {
1891 	struct edid *override;
1892 	int num_modes = 0;
1893 
1894 	override = drm_get_override_edid(connector);
1895 	if (override) {
1896 		drm_connector_update_edid_property(connector, override);
1897 		num_modes = drm_add_edid_modes(connector, override);
1898 		kfree(override);
1899 
1900 		DRM_DEBUG_KMS("[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n",
1901 			      connector->base.id, connector->name, num_modes);
1902 	}
1903 
1904 	return num_modes;
1905 }
1906 EXPORT_SYMBOL(drm_add_override_edid_modes);
1907 
1908 /**
1909  * drm_do_get_edid - get EDID data using a custom EDID block read function
1910  * @connector: connector we're probing
1911  * @get_edid_block: EDID block read function
1912  * @data: private data passed to the block read function
1913  *
1914  * When the I2C adapter connected to the DDC bus is hidden behind a device that
1915  * exposes a different interface to read EDID blocks this function can be used
1916  * to get EDID data using a custom block read function.
1917  *
1918  * As in the general case the DDC bus is accessible by the kernel at the I2C
1919  * level, drivers must make all reasonable efforts to expose it as an I2C
1920  * adapter and use drm_get_edid() instead of abusing this function.
1921  *
1922  * The EDID may be overridden using debugfs override_edid or firmare EDID
1923  * (drm_load_edid_firmware() and drm.edid_firmware parameter), in this priority
1924  * order. Having either of them bypasses actual EDID reads.
1925  *
1926  * Return: Pointer to valid EDID or NULL if we couldn't find any.
1927  */
1928 struct edid *drm_do_get_edid(struct drm_connector *connector,
1929 	int (*get_edid_block)(void *data, u8 *buf, unsigned int block,
1930 			      size_t len),
1931 	void *data)
1932 {
1933 	int i, j = 0, valid_extensions = 0;
1934 	u8 *edid, *new;
1935 	struct edid *override;
1936 
1937 	override = drm_get_override_edid(connector);
1938 	if (override)
1939 		return override;
1940 
1941 	if ((edid = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL)
1942 		return NULL;
1943 
1944 	/* base block fetch */
1945 	for (i = 0; i < 4; i++) {
1946 		if (get_edid_block(data, edid, 0, EDID_LENGTH))
1947 			goto out;
1948 		if (drm_edid_block_valid(edid, 0, false,
1949 					 &connector->edid_corrupt))
1950 			break;
1951 		if (i == 0 && drm_edid_is_zero(edid, EDID_LENGTH)) {
1952 			connector->null_edid_counter++;
1953 			goto carp;
1954 		}
1955 	}
1956 	if (i == 4)
1957 		goto carp;
1958 
1959 	/* if there's no extensions, we're done */
1960 	valid_extensions = edid[0x7e];
1961 	if (valid_extensions == 0)
1962 		return (struct edid *)edid;
1963 
1964 	new = krealloc(edid, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL);
1965 	if (!new)
1966 		goto out;
1967 	edid = new;
1968 
1969 	for (j = 1; j <= edid[0x7e]; j++) {
1970 		u8 *block = edid + j * EDID_LENGTH;
1971 
1972 		for (i = 0; i < 4; i++) {
1973 			if (get_edid_block(data, block, j, EDID_LENGTH))
1974 				goto out;
1975 			if (drm_edid_block_valid(block, j, false, NULL))
1976 				break;
1977 		}
1978 
1979 		if (i == 4)
1980 			valid_extensions--;
1981 	}
1982 
1983 	if (valid_extensions != edid[0x7e]) {
1984 		u8 *base;
1985 
1986 		connector_bad_edid(connector, edid, edid[0x7e] + 1);
1987 
1988 		edid[EDID_LENGTH-1] += edid[0x7e] - valid_extensions;
1989 		edid[0x7e] = valid_extensions;
1990 
1991 		new = kmalloc_array(valid_extensions + 1, EDID_LENGTH,
1992 				    GFP_KERNEL);
1993 		if (!new)
1994 			goto out;
1995 
1996 		base = new;
1997 		for (i = 0; i <= edid[0x7e]; i++) {
1998 			u8 *block = edid + i * EDID_LENGTH;
1999 
2000 			if (!drm_edid_block_valid(block, i, false, NULL))
2001 				continue;
2002 
2003 			memcpy(base, block, EDID_LENGTH);
2004 			base += EDID_LENGTH;
2005 		}
2006 
2007 		kfree(edid);
2008 		edid = new;
2009 	}
2010 
2011 	return (struct edid *)edid;
2012 
2013 carp:
2014 	connector_bad_edid(connector, edid, 1);
2015 out:
2016 	kfree(edid);
2017 	return NULL;
2018 }
2019 EXPORT_SYMBOL_GPL(drm_do_get_edid);
2020 
2021 /**
2022  * drm_probe_ddc() - probe DDC presence
2023  * @adapter: I2C adapter to probe
2024  *
2025  * Return: True on success, false on failure.
2026  */
2027 bool
2028 drm_probe_ddc(struct i2c_adapter *adapter)
2029 {
2030 	unsigned char out;
2031 
2032 	return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
2033 }
2034 EXPORT_SYMBOL(drm_probe_ddc);
2035 
2036 /**
2037  * drm_get_edid - get EDID data, if available
2038  * @connector: connector we're probing
2039  * @adapter: I2C adapter to use for DDC
2040  *
2041  * Poke the given I2C channel to grab EDID data if possible.  If found,
2042  * attach it to the connector.
2043  *
2044  * Return: Pointer to valid EDID or NULL if we couldn't find any.
2045  */
2046 struct edid *drm_get_edid(struct drm_connector *connector,
2047 			  struct i2c_adapter *adapter)
2048 {
2049 	struct edid *edid;
2050 
2051 	if (connector->force == DRM_FORCE_OFF)
2052 		return NULL;
2053 
2054 	if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
2055 		return NULL;
2056 
2057 	edid = drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter);
2058 	drm_connector_update_edid_property(connector, edid);
2059 	return edid;
2060 }
2061 EXPORT_SYMBOL(drm_get_edid);
2062 
2063 /**
2064  * drm_get_edid_switcheroo - get EDID data for a vga_switcheroo output
2065  * @connector: connector we're probing
2066  * @adapter: I2C adapter to use for DDC
2067  *
2068  * Wrapper around drm_get_edid() for laptops with dual GPUs using one set of
2069  * outputs. The wrapper adds the requisite vga_switcheroo calls to temporarily
2070  * switch DDC to the GPU which is retrieving EDID.
2071  *
2072  * Return: Pointer to valid EDID or %NULL if we couldn't find any.
2073  */
2074 struct edid *drm_get_edid_switcheroo(struct drm_connector *connector,
2075 				     struct i2c_adapter *adapter)
2076 {
2077 	struct drm_device *dev = connector->dev;
2078 	struct pci_dev *pdev = to_pci_dev(dev->dev);
2079 	struct edid *edid;
2080 
2081 	if (drm_WARN_ON_ONCE(dev, !dev_is_pci(dev->dev)))
2082 		return NULL;
2083 
2084 	vga_switcheroo_lock_ddc(pdev);
2085 	edid = drm_get_edid(connector, adapter);
2086 	vga_switcheroo_unlock_ddc(pdev);
2087 
2088 	return edid;
2089 }
2090 EXPORT_SYMBOL(drm_get_edid_switcheroo);
2091 
2092 /**
2093  * drm_edid_duplicate - duplicate an EDID and the extensions
2094  * @edid: EDID to duplicate
2095  *
2096  * Return: Pointer to duplicated EDID or NULL on allocation failure.
2097  */
2098 struct edid *drm_edid_duplicate(const struct edid *edid)
2099 {
2100 	return kmemdup(edid, (edid->extensions + 1) * EDID_LENGTH, GFP_KERNEL);
2101 }
2102 EXPORT_SYMBOL(drm_edid_duplicate);
2103 
2104 /*** EDID parsing ***/
2105 
2106 /**
2107  * edid_vendor - match a string against EDID's obfuscated vendor field
2108  * @edid: EDID to match
2109  * @vendor: vendor string
2110  *
2111  * Returns true if @vendor is in @edid, false otherwise
2112  */
2113 static bool edid_vendor(const struct edid *edid, const char *vendor)
2114 {
2115 	char edid_vendor[3];
2116 
2117 	edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@';
2118 	edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) |
2119 			  ((edid->mfg_id[1] & 0xe0) >> 5)) + '@';
2120 	edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@';
2121 
2122 	return !strncmp(edid_vendor, vendor, 3);
2123 }
2124 
2125 /**
2126  * edid_get_quirks - return quirk flags for a given EDID
2127  * @edid: EDID to process
2128  *
2129  * This tells subsequent routines what fixes they need to apply.
2130  */
2131 static u32 edid_get_quirks(const struct edid *edid)
2132 {
2133 	const struct edid_quirk *quirk;
2134 	int i;
2135 
2136 	for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
2137 		quirk = &edid_quirk_list[i];
2138 
2139 		if (edid_vendor(edid, quirk->vendor) &&
2140 		    (EDID_PRODUCT_ID(edid) == quirk->product_id))
2141 			return quirk->quirks;
2142 	}
2143 
2144 	return 0;
2145 }
2146 
2147 #define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
2148 #define MODE_REFRESH_DIFF(c,t) (abs((c) - (t)))
2149 
2150 /**
2151  * edid_fixup_preferred - set preferred modes based on quirk list
2152  * @connector: has mode list to fix up
2153  * @quirks: quirks list
2154  *
2155  * Walk the mode list for @connector, clearing the preferred status
2156  * on existing modes and setting it anew for the right mode ala @quirks.
2157  */
2158 static void edid_fixup_preferred(struct drm_connector *connector,
2159 				 u32 quirks)
2160 {
2161 	struct drm_display_mode *t, *cur_mode, *preferred_mode;
2162 	int target_refresh = 0;
2163 	int cur_vrefresh, preferred_vrefresh;
2164 
2165 	if (list_empty(&connector->probed_modes))
2166 		return;
2167 
2168 	if (quirks & EDID_QUIRK_PREFER_LARGE_60)
2169 		target_refresh = 60;
2170 	if (quirks & EDID_QUIRK_PREFER_LARGE_75)
2171 		target_refresh = 75;
2172 
2173 	preferred_mode = list_first_entry(&connector->probed_modes,
2174 					  struct drm_display_mode, head);
2175 
2176 	list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) {
2177 		cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
2178 
2179 		if (cur_mode == preferred_mode)
2180 			continue;
2181 
2182 		/* Largest mode is preferred */
2183 		if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
2184 			preferred_mode = cur_mode;
2185 
2186 		cur_vrefresh = drm_mode_vrefresh(cur_mode);
2187 		preferred_vrefresh = drm_mode_vrefresh(preferred_mode);
2188 		/* At a given size, try to get closest to target refresh */
2189 		if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
2190 		    MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) <
2191 		    MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) {
2192 			preferred_mode = cur_mode;
2193 		}
2194 	}
2195 
2196 	preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
2197 }
2198 
2199 static bool
2200 mode_is_rb(const struct drm_display_mode *mode)
2201 {
2202 	return (mode->htotal - mode->hdisplay == 160) &&
2203 	       (mode->hsync_end - mode->hdisplay == 80) &&
2204 	       (mode->hsync_end - mode->hsync_start == 32) &&
2205 	       (mode->vsync_start - mode->vdisplay == 3);
2206 }
2207 
2208 /*
2209  * drm_mode_find_dmt - Create a copy of a mode if present in DMT
2210  * @dev: Device to duplicate against
2211  * @hsize: Mode width
2212  * @vsize: Mode height
2213  * @fresh: Mode refresh rate
2214  * @rb: Mode reduced-blanking-ness
2215  *
2216  * Walk the DMT mode list looking for a match for the given parameters.
2217  *
2218  * Return: A newly allocated copy of the mode, or NULL if not found.
2219  */
2220 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
2221 					   int hsize, int vsize, int fresh,
2222 					   bool rb)
2223 {
2224 	int i;
2225 
2226 	for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2227 		const struct drm_display_mode *ptr = &drm_dmt_modes[i];
2228 
2229 		if (hsize != ptr->hdisplay)
2230 			continue;
2231 		if (vsize != ptr->vdisplay)
2232 			continue;
2233 		if (fresh != drm_mode_vrefresh(ptr))
2234 			continue;
2235 		if (rb != mode_is_rb(ptr))
2236 			continue;
2237 
2238 		return drm_mode_duplicate(dev, ptr);
2239 	}
2240 
2241 	return NULL;
2242 }
2243 EXPORT_SYMBOL(drm_mode_find_dmt);
2244 
2245 static bool is_display_descriptor(const u8 d[18], u8 tag)
2246 {
2247 	return d[0] == 0x00 && d[1] == 0x00 &&
2248 		d[2] == 0x00 && d[3] == tag;
2249 }
2250 
2251 static bool is_detailed_timing_descriptor(const u8 d[18])
2252 {
2253 	return d[0] != 0x00 || d[1] != 0x00;
2254 }
2255 
2256 typedef void detailed_cb(struct detailed_timing *timing, void *closure);
2257 
2258 static void
2259 cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2260 {
2261 	int i, n;
2262 	u8 d = ext[0x02];
2263 	u8 *det_base = ext + d;
2264 
2265 	if (d < 4 || d > 127)
2266 		return;
2267 
2268 	n = (127 - d) / 18;
2269 	for (i = 0; i < n; i++)
2270 		cb((struct detailed_timing *)(det_base + 18 * i), closure);
2271 }
2272 
2273 static void
2274 vtb_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2275 {
2276 	unsigned int i, n = min((int)ext[0x02], 6);
2277 	u8 *det_base = ext + 5;
2278 
2279 	if (ext[0x01] != 1)
2280 		return; /* unknown version */
2281 
2282 	for (i = 0; i < n; i++)
2283 		cb((struct detailed_timing *)(det_base + 18 * i), closure);
2284 }
2285 
2286 static void
2287 drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure)
2288 {
2289 	int i;
2290 	struct edid *edid = (struct edid *)raw_edid;
2291 
2292 	if (edid == NULL)
2293 		return;
2294 
2295 	for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
2296 		cb(&(edid->detailed_timings[i]), closure);
2297 
2298 	for (i = 1; i <= raw_edid[0x7e]; i++) {
2299 		u8 *ext = raw_edid + (i * EDID_LENGTH);
2300 
2301 		switch (*ext) {
2302 		case CEA_EXT:
2303 			cea_for_each_detailed_block(ext, cb, closure);
2304 			break;
2305 		case VTB_EXT:
2306 			vtb_for_each_detailed_block(ext, cb, closure);
2307 			break;
2308 		default:
2309 			break;
2310 		}
2311 	}
2312 }
2313 
2314 static void
2315 is_rb(struct detailed_timing *t, void *data)
2316 {
2317 	u8 *r = (u8 *)t;
2318 
2319 	if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2320 		return;
2321 
2322 	if (r[15] & 0x10)
2323 		*(bool *)data = true;
2324 }
2325 
2326 /* EDID 1.4 defines this explicitly.  For EDID 1.3, we guess, badly. */
2327 static bool
2328 drm_monitor_supports_rb(struct edid *edid)
2329 {
2330 	if (edid->revision >= 4) {
2331 		bool ret = false;
2332 
2333 		drm_for_each_detailed_block((u8 *)edid, is_rb, &ret);
2334 		return ret;
2335 	}
2336 
2337 	return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
2338 }
2339 
2340 static void
2341 find_gtf2(struct detailed_timing *t, void *data)
2342 {
2343 	u8 *r = (u8 *)t;
2344 
2345 	if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2346 		return;
2347 
2348 	if (r[10] == 0x02)
2349 		*(u8 **)data = r;
2350 }
2351 
2352 /* Secondary GTF curve kicks in above some break frequency */
2353 static int
2354 drm_gtf2_hbreak(struct edid *edid)
2355 {
2356 	u8 *r = NULL;
2357 
2358 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2359 	return r ? (r[12] * 2) : 0;
2360 }
2361 
2362 static int
2363 drm_gtf2_2c(struct edid *edid)
2364 {
2365 	u8 *r = NULL;
2366 
2367 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2368 	return r ? r[13] : 0;
2369 }
2370 
2371 static int
2372 drm_gtf2_m(struct edid *edid)
2373 {
2374 	u8 *r = NULL;
2375 
2376 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2377 	return r ? (r[15] << 8) + r[14] : 0;
2378 }
2379 
2380 static int
2381 drm_gtf2_k(struct edid *edid)
2382 {
2383 	u8 *r = NULL;
2384 
2385 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2386 	return r ? r[16] : 0;
2387 }
2388 
2389 static int
2390 drm_gtf2_2j(struct edid *edid)
2391 {
2392 	u8 *r = NULL;
2393 
2394 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2395 	return r ? r[17] : 0;
2396 }
2397 
2398 /**
2399  * standard_timing_level - get std. timing level(CVT/GTF/DMT)
2400  * @edid: EDID block to scan
2401  */
2402 static int standard_timing_level(struct edid *edid)
2403 {
2404 	if (edid->revision >= 2) {
2405 		if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))
2406 			return LEVEL_CVT;
2407 		if (drm_gtf2_hbreak(edid))
2408 			return LEVEL_GTF2;
2409 		if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
2410 			return LEVEL_GTF;
2411 	}
2412 	return LEVEL_DMT;
2413 }
2414 
2415 /*
2416  * 0 is reserved.  The spec says 0x01 fill for unused timings.  Some old
2417  * monitors fill with ascii space (0x20) instead.
2418  */
2419 static int
2420 bad_std_timing(u8 a, u8 b)
2421 {
2422 	return (a == 0x00 && b == 0x00) ||
2423 	       (a == 0x01 && b == 0x01) ||
2424 	       (a == 0x20 && b == 0x20);
2425 }
2426 
2427 static int drm_mode_hsync(const struct drm_display_mode *mode)
2428 {
2429 	if (mode->htotal <= 0)
2430 		return 0;
2431 
2432 	return DIV_ROUND_CLOSEST(mode->clock, mode->htotal);
2433 }
2434 
2435 /**
2436  * drm_mode_std - convert standard mode info (width, height, refresh) into mode
2437  * @connector: connector of for the EDID block
2438  * @edid: EDID block to scan
2439  * @t: standard timing params
2440  *
2441  * Take the standard timing params (in this case width, aspect, and refresh)
2442  * and convert them into a real mode using CVT/GTF/DMT.
2443  */
2444 static struct drm_display_mode *
2445 drm_mode_std(struct drm_connector *connector, struct edid *edid,
2446 	     struct std_timing *t)
2447 {
2448 	struct drm_device *dev = connector->dev;
2449 	struct drm_display_mode *m, *mode = NULL;
2450 	int hsize, vsize;
2451 	int vrefresh_rate;
2452 	unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
2453 		>> EDID_TIMING_ASPECT_SHIFT;
2454 	unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
2455 		>> EDID_TIMING_VFREQ_SHIFT;
2456 	int timing_level = standard_timing_level(edid);
2457 
2458 	if (bad_std_timing(t->hsize, t->vfreq_aspect))
2459 		return NULL;
2460 
2461 	/* According to the EDID spec, the hdisplay = hsize * 8 + 248 */
2462 	hsize = t->hsize * 8 + 248;
2463 	/* vrefresh_rate = vfreq + 60 */
2464 	vrefresh_rate = vfreq + 60;
2465 	/* the vdisplay is calculated based on the aspect ratio */
2466 	if (aspect_ratio == 0) {
2467 		if (edid->revision < 3)
2468 			vsize = hsize;
2469 		else
2470 			vsize = (hsize * 10) / 16;
2471 	} else if (aspect_ratio == 1)
2472 		vsize = (hsize * 3) / 4;
2473 	else if (aspect_ratio == 2)
2474 		vsize = (hsize * 4) / 5;
2475 	else
2476 		vsize = (hsize * 9) / 16;
2477 
2478 	/* HDTV hack, part 1 */
2479 	if (vrefresh_rate == 60 &&
2480 	    ((hsize == 1360 && vsize == 765) ||
2481 	     (hsize == 1368 && vsize == 769))) {
2482 		hsize = 1366;
2483 		vsize = 768;
2484 	}
2485 
2486 	/*
2487 	 * If this connector already has a mode for this size and refresh
2488 	 * rate (because it came from detailed or CVT info), use that
2489 	 * instead.  This way we don't have to guess at interlace or
2490 	 * reduced blanking.
2491 	 */
2492 	list_for_each_entry(m, &connector->probed_modes, head)
2493 		if (m->hdisplay == hsize && m->vdisplay == vsize &&
2494 		    drm_mode_vrefresh(m) == vrefresh_rate)
2495 			return NULL;
2496 
2497 	/* HDTV hack, part 2 */
2498 	if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
2499 		mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
2500 				    false);
2501 		if (!mode)
2502 			return NULL;
2503 		mode->hdisplay = 1366;
2504 		mode->hsync_start = mode->hsync_start - 1;
2505 		mode->hsync_end = mode->hsync_end - 1;
2506 		return mode;
2507 	}
2508 
2509 	/* check whether it can be found in default mode table */
2510 	if (drm_monitor_supports_rb(edid)) {
2511 		mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate,
2512 					 true);
2513 		if (mode)
2514 			return mode;
2515 	}
2516 	mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, false);
2517 	if (mode)
2518 		return mode;
2519 
2520 	/* okay, generate it */
2521 	switch (timing_level) {
2522 	case LEVEL_DMT:
2523 		break;
2524 	case LEVEL_GTF:
2525 		mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2526 		break;
2527 	case LEVEL_GTF2:
2528 		/*
2529 		 * This is potentially wrong if there's ever a monitor with
2530 		 * more than one ranges section, each claiming a different
2531 		 * secondary GTF curve.  Please don't do that.
2532 		 */
2533 		mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2534 		if (!mode)
2535 			return NULL;
2536 		if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) {
2537 			drm_mode_destroy(dev, mode);
2538 			mode = drm_gtf_mode_complex(dev, hsize, vsize,
2539 						    vrefresh_rate, 0, 0,
2540 						    drm_gtf2_m(edid),
2541 						    drm_gtf2_2c(edid),
2542 						    drm_gtf2_k(edid),
2543 						    drm_gtf2_2j(edid));
2544 		}
2545 		break;
2546 	case LEVEL_CVT:
2547 		mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
2548 				    false);
2549 		break;
2550 	}
2551 	return mode;
2552 }
2553 
2554 /*
2555  * EDID is delightfully ambiguous about how interlaced modes are to be
2556  * encoded.  Our internal representation is of frame height, but some
2557  * HDTV detailed timings are encoded as field height.
2558  *
2559  * The format list here is from CEA, in frame size.  Technically we
2560  * should be checking refresh rate too.  Whatever.
2561  */
2562 static void
2563 drm_mode_do_interlace_quirk(struct drm_display_mode *mode,
2564 			    struct detailed_pixel_timing *pt)
2565 {
2566 	int i;
2567 	static const struct {
2568 		int w, h;
2569 	} cea_interlaced[] = {
2570 		{ 1920, 1080 },
2571 		{  720,  480 },
2572 		{ 1440,  480 },
2573 		{ 2880,  480 },
2574 		{  720,  576 },
2575 		{ 1440,  576 },
2576 		{ 2880,  576 },
2577 	};
2578 
2579 	if (!(pt->misc & DRM_EDID_PT_INTERLACED))
2580 		return;
2581 
2582 	for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) {
2583 		if ((mode->hdisplay == cea_interlaced[i].w) &&
2584 		    (mode->vdisplay == cea_interlaced[i].h / 2)) {
2585 			mode->vdisplay *= 2;
2586 			mode->vsync_start *= 2;
2587 			mode->vsync_end *= 2;
2588 			mode->vtotal *= 2;
2589 			mode->vtotal |= 1;
2590 		}
2591 	}
2592 
2593 	mode->flags |= DRM_MODE_FLAG_INTERLACE;
2594 }
2595 
2596 /**
2597  * drm_mode_detailed - create a new mode from an EDID detailed timing section
2598  * @dev: DRM device (needed to create new mode)
2599  * @edid: EDID block
2600  * @timing: EDID detailed timing info
2601  * @quirks: quirks to apply
2602  *
2603  * An EDID detailed timing block contains enough info for us to create and
2604  * return a new struct drm_display_mode.
2605  */
2606 static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
2607 						  struct edid *edid,
2608 						  struct detailed_timing *timing,
2609 						  u32 quirks)
2610 {
2611 	struct drm_display_mode *mode;
2612 	struct detailed_pixel_timing *pt = &timing->data.pixel_data;
2613 	unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo;
2614 	unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo;
2615 	unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo;
2616 	unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo;
2617 	unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo;
2618 	unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo;
2619 	unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4;
2620 	unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf);
2621 
2622 	/* ignore tiny modes */
2623 	if (hactive < 64 || vactive < 64)
2624 		return NULL;
2625 
2626 	if (pt->misc & DRM_EDID_PT_STEREO) {
2627 		DRM_DEBUG_KMS("stereo mode not supported\n");
2628 		return NULL;
2629 	}
2630 	if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) {
2631 		DRM_DEBUG_KMS("composite sync not supported\n");
2632 	}
2633 
2634 	/* it is incorrect if hsync/vsync width is zero */
2635 	if (!hsync_pulse_width || !vsync_pulse_width) {
2636 		DRM_DEBUG_KMS("Incorrect Detailed timing. "
2637 				"Wrong Hsync/Vsync pulse width\n");
2638 		return NULL;
2639 	}
2640 
2641 	if (quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) {
2642 		mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false);
2643 		if (!mode)
2644 			return NULL;
2645 
2646 		goto set_size;
2647 	}
2648 
2649 	mode = drm_mode_create(dev);
2650 	if (!mode)
2651 		return NULL;
2652 
2653 	if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
2654 		timing->pixel_clock = cpu_to_le16(1088);
2655 
2656 	mode->clock = le16_to_cpu(timing->pixel_clock) * 10;
2657 
2658 	mode->hdisplay = hactive;
2659 	mode->hsync_start = mode->hdisplay + hsync_offset;
2660 	mode->hsync_end = mode->hsync_start + hsync_pulse_width;
2661 	mode->htotal = mode->hdisplay + hblank;
2662 
2663 	mode->vdisplay = vactive;
2664 	mode->vsync_start = mode->vdisplay + vsync_offset;
2665 	mode->vsync_end = mode->vsync_start + vsync_pulse_width;
2666 	mode->vtotal = mode->vdisplay + vblank;
2667 
2668 	/* Some EDIDs have bogus h/vtotal values */
2669 	if (mode->hsync_end > mode->htotal)
2670 		mode->htotal = mode->hsync_end + 1;
2671 	if (mode->vsync_end > mode->vtotal)
2672 		mode->vtotal = mode->vsync_end + 1;
2673 
2674 	drm_mode_do_interlace_quirk(mode, pt);
2675 
2676 	if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
2677 		pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE;
2678 	}
2679 
2680 	mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
2681 		DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
2682 	mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?
2683 		DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
2684 
2685 set_size:
2686 	mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4;
2687 	mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8;
2688 
2689 	if (quirks & EDID_QUIRK_DETAILED_IN_CM) {
2690 		mode->width_mm *= 10;
2691 		mode->height_mm *= 10;
2692 	}
2693 
2694 	if (quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) {
2695 		mode->width_mm = edid->width_cm * 10;
2696 		mode->height_mm = edid->height_cm * 10;
2697 	}
2698 
2699 	mode->type = DRM_MODE_TYPE_DRIVER;
2700 	drm_mode_set_name(mode);
2701 
2702 	return mode;
2703 }
2704 
2705 static bool
2706 mode_in_hsync_range(const struct drm_display_mode *mode,
2707 		    struct edid *edid, u8 *t)
2708 {
2709 	int hsync, hmin, hmax;
2710 
2711 	hmin = t[7];
2712 	if (edid->revision >= 4)
2713 	    hmin += ((t[4] & 0x04) ? 255 : 0);
2714 	hmax = t[8];
2715 	if (edid->revision >= 4)
2716 	    hmax += ((t[4] & 0x08) ? 255 : 0);
2717 	hsync = drm_mode_hsync(mode);
2718 
2719 	return (hsync <= hmax && hsync >= hmin);
2720 }
2721 
2722 static bool
2723 mode_in_vsync_range(const struct drm_display_mode *mode,
2724 		    struct edid *edid, u8 *t)
2725 {
2726 	int vsync, vmin, vmax;
2727 
2728 	vmin = t[5];
2729 	if (edid->revision >= 4)
2730 	    vmin += ((t[4] & 0x01) ? 255 : 0);
2731 	vmax = t[6];
2732 	if (edid->revision >= 4)
2733 	    vmax += ((t[4] & 0x02) ? 255 : 0);
2734 	vsync = drm_mode_vrefresh(mode);
2735 
2736 	return (vsync <= vmax && vsync >= vmin);
2737 }
2738 
2739 static u32
2740 range_pixel_clock(struct edid *edid, u8 *t)
2741 {
2742 	/* unspecified */
2743 	if (t[9] == 0 || t[9] == 255)
2744 		return 0;
2745 
2746 	/* 1.4 with CVT support gives us real precision, yay */
2747 	if (edid->revision >= 4 && t[10] == 0x04)
2748 		return (t[9] * 10000) - ((t[12] >> 2) * 250);
2749 
2750 	/* 1.3 is pathetic, so fuzz up a bit */
2751 	return t[9] * 10000 + 5001;
2752 }
2753 
2754 static bool
2755 mode_in_range(const struct drm_display_mode *mode, struct edid *edid,
2756 	      struct detailed_timing *timing)
2757 {
2758 	u32 max_clock;
2759 	u8 *t = (u8 *)timing;
2760 
2761 	if (!mode_in_hsync_range(mode, edid, t))
2762 		return false;
2763 
2764 	if (!mode_in_vsync_range(mode, edid, t))
2765 		return false;
2766 
2767 	if ((max_clock = range_pixel_clock(edid, t)))
2768 		if (mode->clock > max_clock)
2769 			return false;
2770 
2771 	/* 1.4 max horizontal check */
2772 	if (edid->revision >= 4 && t[10] == 0x04)
2773 		if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
2774 			return false;
2775 
2776 	if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid))
2777 		return false;
2778 
2779 	return true;
2780 }
2781 
2782 static bool valid_inferred_mode(const struct drm_connector *connector,
2783 				const struct drm_display_mode *mode)
2784 {
2785 	const struct drm_display_mode *m;
2786 	bool ok = false;
2787 
2788 	list_for_each_entry(m, &connector->probed_modes, head) {
2789 		if (mode->hdisplay == m->hdisplay &&
2790 		    mode->vdisplay == m->vdisplay &&
2791 		    drm_mode_vrefresh(mode) == drm_mode_vrefresh(m))
2792 			return false; /* duplicated */
2793 		if (mode->hdisplay <= m->hdisplay &&
2794 		    mode->vdisplay <= m->vdisplay)
2795 			ok = true;
2796 	}
2797 	return ok;
2798 }
2799 
2800 static int
2801 drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2802 			struct detailed_timing *timing)
2803 {
2804 	int i, modes = 0;
2805 	struct drm_display_mode *newmode;
2806 	struct drm_device *dev = connector->dev;
2807 
2808 	for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2809 		if (mode_in_range(drm_dmt_modes + i, edid, timing) &&
2810 		    valid_inferred_mode(connector, drm_dmt_modes + i)) {
2811 			newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
2812 			if (newmode) {
2813 				drm_mode_probed_add(connector, newmode);
2814 				modes++;
2815 			}
2816 		}
2817 	}
2818 
2819 	return modes;
2820 }
2821 
2822 /* fix up 1366x768 mode from 1368x768;
2823  * GFT/CVT can't express 1366 width which isn't dividable by 8
2824  */
2825 void drm_mode_fixup_1366x768(struct drm_display_mode *mode)
2826 {
2827 	if (mode->hdisplay == 1368 && mode->vdisplay == 768) {
2828 		mode->hdisplay = 1366;
2829 		mode->hsync_start--;
2830 		mode->hsync_end--;
2831 		drm_mode_set_name(mode);
2832 	}
2833 }
2834 
2835 static int
2836 drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid,
2837 			struct detailed_timing *timing)
2838 {
2839 	int i, modes = 0;
2840 	struct drm_display_mode *newmode;
2841 	struct drm_device *dev = connector->dev;
2842 
2843 	for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2844 		const struct minimode *m = &extra_modes[i];
2845 
2846 		newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0);
2847 		if (!newmode)
2848 			return modes;
2849 
2850 		drm_mode_fixup_1366x768(newmode);
2851 		if (!mode_in_range(newmode, edid, timing) ||
2852 		    !valid_inferred_mode(connector, newmode)) {
2853 			drm_mode_destroy(dev, newmode);
2854 			continue;
2855 		}
2856 
2857 		drm_mode_probed_add(connector, newmode);
2858 		modes++;
2859 	}
2860 
2861 	return modes;
2862 }
2863 
2864 static int
2865 drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2866 			struct detailed_timing *timing)
2867 {
2868 	int i, modes = 0;
2869 	struct drm_display_mode *newmode;
2870 	struct drm_device *dev = connector->dev;
2871 	bool rb = drm_monitor_supports_rb(edid);
2872 
2873 	for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2874 		const struct minimode *m = &extra_modes[i];
2875 
2876 		newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0);
2877 		if (!newmode)
2878 			return modes;
2879 
2880 		drm_mode_fixup_1366x768(newmode);
2881 		if (!mode_in_range(newmode, edid, timing) ||
2882 		    !valid_inferred_mode(connector, newmode)) {
2883 			drm_mode_destroy(dev, newmode);
2884 			continue;
2885 		}
2886 
2887 		drm_mode_probed_add(connector, newmode);
2888 		modes++;
2889 	}
2890 
2891 	return modes;
2892 }
2893 
2894 static void
2895 do_inferred_modes(struct detailed_timing *timing, void *c)
2896 {
2897 	struct detailed_mode_closure *closure = c;
2898 	struct detailed_non_pixel *data = &timing->data.other_data;
2899 	struct detailed_data_monitor_range *range = &data->data.range;
2900 
2901 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
2902 		return;
2903 
2904 	closure->modes += drm_dmt_modes_for_range(closure->connector,
2905 						  closure->edid,
2906 						  timing);
2907 
2908 	if (!version_greater(closure->edid, 1, 1))
2909 		return; /* GTF not defined yet */
2910 
2911 	switch (range->flags) {
2912 	case 0x02: /* secondary gtf, XXX could do more */
2913 	case 0x00: /* default gtf */
2914 		closure->modes += drm_gtf_modes_for_range(closure->connector,
2915 							  closure->edid,
2916 							  timing);
2917 		break;
2918 	case 0x04: /* cvt, only in 1.4+ */
2919 		if (!version_greater(closure->edid, 1, 3))
2920 			break;
2921 
2922 		closure->modes += drm_cvt_modes_for_range(closure->connector,
2923 							  closure->edid,
2924 							  timing);
2925 		break;
2926 	case 0x01: /* just the ranges, no formula */
2927 	default:
2928 		break;
2929 	}
2930 }
2931 
2932 static int
2933 add_inferred_modes(struct drm_connector *connector, struct edid *edid)
2934 {
2935 	struct detailed_mode_closure closure = {
2936 		.connector = connector,
2937 		.edid = edid,
2938 	};
2939 
2940 	if (version_greater(edid, 1, 0))
2941 		drm_for_each_detailed_block((u8 *)edid, do_inferred_modes,
2942 					    &closure);
2943 
2944 	return closure.modes;
2945 }
2946 
2947 static int
2948 drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing)
2949 {
2950 	int i, j, m, modes = 0;
2951 	struct drm_display_mode *mode;
2952 	u8 *est = ((u8 *)timing) + 6;
2953 
2954 	for (i = 0; i < 6; i++) {
2955 		for (j = 7; j >= 0; j--) {
2956 			m = (i * 8) + (7 - j);
2957 			if (m >= ARRAY_SIZE(est3_modes))
2958 				break;
2959 			if (est[i] & (1 << j)) {
2960 				mode = drm_mode_find_dmt(connector->dev,
2961 							 est3_modes[m].w,
2962 							 est3_modes[m].h,
2963 							 est3_modes[m].r,
2964 							 est3_modes[m].rb);
2965 				if (mode) {
2966 					drm_mode_probed_add(connector, mode);
2967 					modes++;
2968 				}
2969 			}
2970 		}
2971 	}
2972 
2973 	return modes;
2974 }
2975 
2976 static void
2977 do_established_modes(struct detailed_timing *timing, void *c)
2978 {
2979 	struct detailed_mode_closure *closure = c;
2980 
2981 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_EST_TIMINGS))
2982 		return;
2983 
2984 	closure->modes += drm_est3_modes(closure->connector, timing);
2985 }
2986 
2987 /**
2988  * add_established_modes - get est. modes from EDID and add them
2989  * @connector: connector to add mode(s) to
2990  * @edid: EDID block to scan
2991  *
2992  * Each EDID block contains a bitmap of the supported "established modes" list
2993  * (defined above).  Tease them out and add them to the global modes list.
2994  */
2995 static int
2996 add_established_modes(struct drm_connector *connector, struct edid *edid)
2997 {
2998 	struct drm_device *dev = connector->dev;
2999 	unsigned long est_bits = edid->established_timings.t1 |
3000 		(edid->established_timings.t2 << 8) |
3001 		((edid->established_timings.mfg_rsvd & 0x80) << 9);
3002 	int i, modes = 0;
3003 	struct detailed_mode_closure closure = {
3004 		.connector = connector,
3005 		.edid = edid,
3006 	};
3007 
3008 	for (i = 0; i <= EDID_EST_TIMINGS; i++) {
3009 		if (est_bits & (1<<i)) {
3010 			struct drm_display_mode *newmode;
3011 
3012 			newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
3013 			if (newmode) {
3014 				drm_mode_probed_add(connector, newmode);
3015 				modes++;
3016 			}
3017 		}
3018 	}
3019 
3020 	if (version_greater(edid, 1, 0))
3021 		    drm_for_each_detailed_block((u8 *)edid,
3022 						do_established_modes, &closure);
3023 
3024 	return modes + closure.modes;
3025 }
3026 
3027 static void
3028 do_standard_modes(struct detailed_timing *timing, void *c)
3029 {
3030 	struct detailed_mode_closure *closure = c;
3031 	struct detailed_non_pixel *data = &timing->data.other_data;
3032 	struct drm_connector *connector = closure->connector;
3033 	struct edid *edid = closure->edid;
3034 	int i;
3035 
3036 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_STD_MODES))
3037 		return;
3038 
3039 	for (i = 0; i < 6; i++) {
3040 		struct std_timing *std = &data->data.timings[i];
3041 		struct drm_display_mode *newmode;
3042 
3043 		newmode = drm_mode_std(connector, edid, std);
3044 		if (newmode) {
3045 			drm_mode_probed_add(connector, newmode);
3046 			closure->modes++;
3047 		}
3048 	}
3049 }
3050 
3051 /**
3052  * add_standard_modes - get std. modes from EDID and add them
3053  * @connector: connector to add mode(s) to
3054  * @edid: EDID block to scan
3055  *
3056  * Standard modes can be calculated using the appropriate standard (DMT,
3057  * GTF or CVT. Grab them from @edid and add them to the list.
3058  */
3059 static int
3060 add_standard_modes(struct drm_connector *connector, struct edid *edid)
3061 {
3062 	int i, modes = 0;
3063 	struct detailed_mode_closure closure = {
3064 		.connector = connector,
3065 		.edid = edid,
3066 	};
3067 
3068 	for (i = 0; i < EDID_STD_TIMINGS; i++) {
3069 		struct drm_display_mode *newmode;
3070 
3071 		newmode = drm_mode_std(connector, edid,
3072 				       &edid->standard_timings[i]);
3073 		if (newmode) {
3074 			drm_mode_probed_add(connector, newmode);
3075 			modes++;
3076 		}
3077 	}
3078 
3079 	if (version_greater(edid, 1, 0))
3080 		drm_for_each_detailed_block((u8 *)edid, do_standard_modes,
3081 					    &closure);
3082 
3083 	/* XXX should also look for standard codes in VTB blocks */
3084 
3085 	return modes + closure.modes;
3086 }
3087 
3088 static int drm_cvt_modes(struct drm_connector *connector,
3089 			 struct detailed_timing *timing)
3090 {
3091 	int i, j, modes = 0;
3092 	struct drm_display_mode *newmode;
3093 	struct drm_device *dev = connector->dev;
3094 	struct cvt_timing *cvt;
3095 	const int rates[] = { 60, 85, 75, 60, 50 };
3096 	const u8 empty[3] = { 0, 0, 0 };
3097 
3098 	for (i = 0; i < 4; i++) {
3099 		int width, height;
3100 
3101 		cvt = &(timing->data.other_data.data.cvt[i]);
3102 
3103 		if (!memcmp(cvt->code, empty, 3))
3104 			continue;
3105 
3106 		height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;
3107 		switch (cvt->code[1] & 0x0c) {
3108 		/* default - because compiler doesn't see that we've enumerated all cases */
3109 		default:
3110 		case 0x00:
3111 			width = height * 4 / 3;
3112 			break;
3113 		case 0x04:
3114 			width = height * 16 / 9;
3115 			break;
3116 		case 0x08:
3117 			width = height * 16 / 10;
3118 			break;
3119 		case 0x0c:
3120 			width = height * 15 / 9;
3121 			break;
3122 		}
3123 
3124 		for (j = 1; j < 5; j++) {
3125 			if (cvt->code[2] & (1 << j)) {
3126 				newmode = drm_cvt_mode(dev, width, height,
3127 						       rates[j], j == 0,
3128 						       false, false);
3129 				if (newmode) {
3130 					drm_mode_probed_add(connector, newmode);
3131 					modes++;
3132 				}
3133 			}
3134 		}
3135 	}
3136 
3137 	return modes;
3138 }
3139 
3140 static void
3141 do_cvt_mode(struct detailed_timing *timing, void *c)
3142 {
3143 	struct detailed_mode_closure *closure = c;
3144 
3145 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_CVT_3BYTE))
3146 		return;
3147 
3148 	closure->modes += drm_cvt_modes(closure->connector, timing);
3149 }
3150 
3151 static int
3152 add_cvt_modes(struct drm_connector *connector, struct edid *edid)
3153 {
3154 	struct detailed_mode_closure closure = {
3155 		.connector = connector,
3156 		.edid = edid,
3157 	};
3158 
3159 	if (version_greater(edid, 1, 2))
3160 		drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure);
3161 
3162 	/* XXX should also look for CVT codes in VTB blocks */
3163 
3164 	return closure.modes;
3165 }
3166 
3167 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode);
3168 
3169 static void
3170 do_detailed_mode(struct detailed_timing *timing, void *c)
3171 {
3172 	struct detailed_mode_closure *closure = c;
3173 	struct drm_display_mode *newmode;
3174 
3175 	if (!is_detailed_timing_descriptor((const u8 *)timing))
3176 		return;
3177 
3178 	newmode = drm_mode_detailed(closure->connector->dev,
3179 				    closure->edid, timing,
3180 				    closure->quirks);
3181 	if (!newmode)
3182 		return;
3183 
3184 	if (closure->preferred)
3185 		newmode->type |= DRM_MODE_TYPE_PREFERRED;
3186 
3187 	/*
3188 	 * Detailed modes are limited to 10kHz pixel clock resolution,
3189 	 * so fix up anything that looks like CEA/HDMI mode, but the clock
3190 	 * is just slightly off.
3191 	 */
3192 	fixup_detailed_cea_mode_clock(newmode);
3193 
3194 	drm_mode_probed_add(closure->connector, newmode);
3195 	closure->modes++;
3196 	closure->preferred = false;
3197 }
3198 
3199 /*
3200  * add_detailed_modes - Add modes from detailed timings
3201  * @connector: attached connector
3202  * @edid: EDID block to scan
3203  * @quirks: quirks to apply
3204  */
3205 static int
3206 add_detailed_modes(struct drm_connector *connector, struct edid *edid,
3207 		   u32 quirks)
3208 {
3209 	struct detailed_mode_closure closure = {
3210 		.connector = connector,
3211 		.edid = edid,
3212 		.preferred = true,
3213 		.quirks = quirks,
3214 	};
3215 
3216 	if (closure.preferred && !version_greater(edid, 1, 3))
3217 		closure.preferred =
3218 		    (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
3219 
3220 	drm_for_each_detailed_block((u8 *)edid, do_detailed_mode, &closure);
3221 
3222 	return closure.modes;
3223 }
3224 
3225 #define AUDIO_BLOCK	0x01
3226 #define VIDEO_BLOCK     0x02
3227 #define VENDOR_BLOCK    0x03
3228 #define SPEAKER_BLOCK	0x04
3229 #define HDR_STATIC_METADATA_BLOCK	0x6
3230 #define USE_EXTENDED_TAG 0x07
3231 #define EXT_VIDEO_CAPABILITY_BLOCK 0x00
3232 #define EXT_VIDEO_DATA_BLOCK_420	0x0E
3233 #define EXT_VIDEO_CAP_BLOCK_Y420CMDB 0x0F
3234 #define EDID_BASIC_AUDIO	(1 << 6)
3235 #define EDID_CEA_YCRCB444	(1 << 5)
3236 #define EDID_CEA_YCRCB422	(1 << 4)
3237 #define EDID_CEA_VCDB_QS	(1 << 6)
3238 
3239 /*
3240  * Search EDID for CEA extension block.
3241  */
3242 const u8 *drm_find_edid_extension(const struct edid *edid,
3243 				  int ext_id, int *ext_index)
3244 {
3245 	const u8 *edid_ext = NULL;
3246 	int i;
3247 
3248 	/* No EDID or EDID extensions */
3249 	if (edid == NULL || edid->extensions == 0)
3250 		return NULL;
3251 
3252 	/* Find CEA extension */
3253 	for (i = *ext_index; i < edid->extensions; i++) {
3254 		edid_ext = (const u8 *)edid + EDID_LENGTH * (i + 1);
3255 		if (edid_ext[0] == ext_id)
3256 			break;
3257 	}
3258 
3259 	if (i >= edid->extensions)
3260 		return NULL;
3261 
3262 	*ext_index = i + 1;
3263 
3264 	return edid_ext;
3265 }
3266 
3267 static const u8 *drm_find_cea_extension(const struct edid *edid)
3268 {
3269 	const struct displayid_block *block;
3270 	struct displayid_iter iter;
3271 	const u8 *cea;
3272 	int ext_index = 0;
3273 
3274 	/* Look for a top level CEA extension block */
3275 	/* FIXME: make callers iterate through multiple CEA ext blocks? */
3276 	cea = drm_find_edid_extension(edid, CEA_EXT, &ext_index);
3277 	if (cea)
3278 		return cea;
3279 
3280 	/* CEA blocks can also be found embedded in a DisplayID block */
3281 	displayid_iter_edid_begin(edid, &iter);
3282 	displayid_iter_for_each(block, &iter) {
3283 		if (block->tag == DATA_BLOCK_CTA) {
3284 			cea = (const u8 *)block;
3285 			break;
3286 		}
3287 	}
3288 	displayid_iter_end(&iter);
3289 
3290 	return cea;
3291 }
3292 
3293 static __always_inline const struct drm_display_mode *cea_mode_for_vic(u8 vic)
3294 {
3295 	BUILD_BUG_ON(1 + ARRAY_SIZE(edid_cea_modes_1) - 1 != 127);
3296 	BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 219);
3297 
3298 	if (vic >= 1 && vic < 1 + ARRAY_SIZE(edid_cea_modes_1))
3299 		return &edid_cea_modes_1[vic - 1];
3300 	if (vic >= 193 && vic < 193 + ARRAY_SIZE(edid_cea_modes_193))
3301 		return &edid_cea_modes_193[vic - 193];
3302 	return NULL;
3303 }
3304 
3305 static u8 cea_num_vics(void)
3306 {
3307 	return 193 + ARRAY_SIZE(edid_cea_modes_193);
3308 }
3309 
3310 static u8 cea_next_vic(u8 vic)
3311 {
3312 	if (++vic == 1 + ARRAY_SIZE(edid_cea_modes_1))
3313 		vic = 193;
3314 	return vic;
3315 }
3316 
3317 /*
3318  * Calculate the alternate clock for the CEA mode
3319  * (60Hz vs. 59.94Hz etc.)
3320  */
3321 static unsigned int
3322 cea_mode_alternate_clock(const struct drm_display_mode *cea_mode)
3323 {
3324 	unsigned int clock = cea_mode->clock;
3325 
3326 	if (drm_mode_vrefresh(cea_mode) % 6 != 0)
3327 		return clock;
3328 
3329 	/*
3330 	 * edid_cea_modes contains the 59.94Hz
3331 	 * variant for 240 and 480 line modes,
3332 	 * and the 60Hz variant otherwise.
3333 	 */
3334 	if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480)
3335 		clock = DIV_ROUND_CLOSEST(clock * 1001, 1000);
3336 	else
3337 		clock = DIV_ROUND_CLOSEST(clock * 1000, 1001);
3338 
3339 	return clock;
3340 }
3341 
3342 static bool
3343 cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode)
3344 {
3345 	/*
3346 	 * For certain VICs the spec allows the vertical
3347 	 * front porch to vary by one or two lines.
3348 	 *
3349 	 * cea_modes[] stores the variant with the shortest
3350 	 * vertical front porch. We can adjust the mode to
3351 	 * get the other variants by simply increasing the
3352 	 * vertical front porch length.
3353 	 */
3354 	BUILD_BUG_ON(cea_mode_for_vic(8)->vtotal != 262 ||
3355 		     cea_mode_for_vic(9)->vtotal != 262 ||
3356 		     cea_mode_for_vic(12)->vtotal != 262 ||
3357 		     cea_mode_for_vic(13)->vtotal != 262 ||
3358 		     cea_mode_for_vic(23)->vtotal != 312 ||
3359 		     cea_mode_for_vic(24)->vtotal != 312 ||
3360 		     cea_mode_for_vic(27)->vtotal != 312 ||
3361 		     cea_mode_for_vic(28)->vtotal != 312);
3362 
3363 	if (((vic == 8 || vic == 9 ||
3364 	      vic == 12 || vic == 13) && mode->vtotal < 263) ||
3365 	    ((vic == 23 || vic == 24 ||
3366 	      vic == 27 || vic == 28) && mode->vtotal < 314)) {
3367 		mode->vsync_start++;
3368 		mode->vsync_end++;
3369 		mode->vtotal++;
3370 
3371 		return true;
3372 	}
3373 
3374 	return false;
3375 }
3376 
3377 static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match,
3378 					     unsigned int clock_tolerance)
3379 {
3380 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3381 	u8 vic;
3382 
3383 	if (!to_match->clock)
3384 		return 0;
3385 
3386 	if (to_match->picture_aspect_ratio)
3387 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3388 
3389 	for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3390 		struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3391 		unsigned int clock1, clock2;
3392 
3393 		/* Check both 60Hz and 59.94Hz */
3394 		clock1 = cea_mode.clock;
3395 		clock2 = cea_mode_alternate_clock(&cea_mode);
3396 
3397 		if (abs(to_match->clock - clock1) > clock_tolerance &&
3398 		    abs(to_match->clock - clock2) > clock_tolerance)
3399 			continue;
3400 
3401 		do {
3402 			if (drm_mode_match(to_match, &cea_mode, match_flags))
3403 				return vic;
3404 		} while (cea_mode_alternate_timings(vic, &cea_mode));
3405 	}
3406 
3407 	return 0;
3408 }
3409 
3410 /**
3411  * drm_match_cea_mode - look for a CEA mode matching given mode
3412  * @to_match: display mode
3413  *
3414  * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
3415  * mode.
3416  */
3417 u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
3418 {
3419 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3420 	u8 vic;
3421 
3422 	if (!to_match->clock)
3423 		return 0;
3424 
3425 	if (to_match->picture_aspect_ratio)
3426 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3427 
3428 	for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3429 		struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3430 		unsigned int clock1, clock2;
3431 
3432 		/* Check both 60Hz and 59.94Hz */
3433 		clock1 = cea_mode.clock;
3434 		clock2 = cea_mode_alternate_clock(&cea_mode);
3435 
3436 		if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) &&
3437 		    KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2))
3438 			continue;
3439 
3440 		do {
3441 			if (drm_mode_match(to_match, &cea_mode, match_flags))
3442 				return vic;
3443 		} while (cea_mode_alternate_timings(vic, &cea_mode));
3444 	}
3445 
3446 	return 0;
3447 }
3448 EXPORT_SYMBOL(drm_match_cea_mode);
3449 
3450 static bool drm_valid_cea_vic(u8 vic)
3451 {
3452 	return cea_mode_for_vic(vic) != NULL;
3453 }
3454 
3455 static enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code)
3456 {
3457 	const struct drm_display_mode *mode = cea_mode_for_vic(video_code);
3458 
3459 	if (mode)
3460 		return mode->picture_aspect_ratio;
3461 
3462 	return HDMI_PICTURE_ASPECT_NONE;
3463 }
3464 
3465 static enum hdmi_picture_aspect drm_get_hdmi_aspect_ratio(const u8 video_code)
3466 {
3467 	return edid_4k_modes[video_code].picture_aspect_ratio;
3468 }
3469 
3470 /*
3471  * Calculate the alternate clock for HDMI modes (those from the HDMI vendor
3472  * specific block).
3473  */
3474 static unsigned int
3475 hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode)
3476 {
3477 	return cea_mode_alternate_clock(hdmi_mode);
3478 }
3479 
3480 static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match,
3481 					      unsigned int clock_tolerance)
3482 {
3483 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3484 	u8 vic;
3485 
3486 	if (!to_match->clock)
3487 		return 0;
3488 
3489 	if (to_match->picture_aspect_ratio)
3490 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3491 
3492 	for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3493 		const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3494 		unsigned int clock1, clock2;
3495 
3496 		/* Make sure to also match alternate clocks */
3497 		clock1 = hdmi_mode->clock;
3498 		clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3499 
3500 		if (abs(to_match->clock - clock1) > clock_tolerance &&
3501 		    abs(to_match->clock - clock2) > clock_tolerance)
3502 			continue;
3503 
3504 		if (drm_mode_match(to_match, hdmi_mode, match_flags))
3505 			return vic;
3506 	}
3507 
3508 	return 0;
3509 }
3510 
3511 /*
3512  * drm_match_hdmi_mode - look for a HDMI mode matching given mode
3513  * @to_match: display mode
3514  *
3515  * An HDMI mode is one defined in the HDMI vendor specific block.
3516  *
3517  * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one.
3518  */
3519 static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match)
3520 {
3521 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3522 	u8 vic;
3523 
3524 	if (!to_match->clock)
3525 		return 0;
3526 
3527 	if (to_match->picture_aspect_ratio)
3528 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3529 
3530 	for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3531 		const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3532 		unsigned int clock1, clock2;
3533 
3534 		/* Make sure to also match alternate clocks */
3535 		clock1 = hdmi_mode->clock;
3536 		clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3537 
3538 		if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||
3539 		     KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&
3540 		    drm_mode_match(to_match, hdmi_mode, match_flags))
3541 			return vic;
3542 	}
3543 	return 0;
3544 }
3545 
3546 static bool drm_valid_hdmi_vic(u8 vic)
3547 {
3548 	return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes);
3549 }
3550 
3551 static int
3552 add_alternate_cea_modes(struct drm_connector *connector, struct edid *edid)
3553 {
3554 	struct drm_device *dev = connector->dev;
3555 	struct drm_display_mode *mode, *tmp;
3556 	LIST_HEAD(list);
3557 	int modes = 0;
3558 
3559 	/* Don't add CEA modes if the CEA extension block is missing */
3560 	if (!drm_find_cea_extension(edid))
3561 		return 0;
3562 
3563 	/*
3564 	 * Go through all probed modes and create a new mode
3565 	 * with the alternate clock for certain CEA modes.
3566 	 */
3567 	list_for_each_entry(mode, &connector->probed_modes, head) {
3568 		const struct drm_display_mode *cea_mode = NULL;
3569 		struct drm_display_mode *newmode;
3570 		u8 vic = drm_match_cea_mode(mode);
3571 		unsigned int clock1, clock2;
3572 
3573 		if (drm_valid_cea_vic(vic)) {
3574 			cea_mode = cea_mode_for_vic(vic);
3575 			clock2 = cea_mode_alternate_clock(cea_mode);
3576 		} else {
3577 			vic = drm_match_hdmi_mode(mode);
3578 			if (drm_valid_hdmi_vic(vic)) {
3579 				cea_mode = &edid_4k_modes[vic];
3580 				clock2 = hdmi_mode_alternate_clock(cea_mode);
3581 			}
3582 		}
3583 
3584 		if (!cea_mode)
3585 			continue;
3586 
3587 		clock1 = cea_mode->clock;
3588 
3589 		if (clock1 == clock2)
3590 			continue;
3591 
3592 		if (mode->clock != clock1 && mode->clock != clock2)
3593 			continue;
3594 
3595 		newmode = drm_mode_duplicate(dev, cea_mode);
3596 		if (!newmode)
3597 			continue;
3598 
3599 		/* Carry over the stereo flags */
3600 		newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK;
3601 
3602 		/*
3603 		 * The current mode could be either variant. Make
3604 		 * sure to pick the "other" clock for the new mode.
3605 		 */
3606 		if (mode->clock != clock1)
3607 			newmode->clock = clock1;
3608 		else
3609 			newmode->clock = clock2;
3610 
3611 		list_add_tail(&newmode->head, &list);
3612 	}
3613 
3614 	list_for_each_entry_safe(mode, tmp, &list, head) {
3615 		list_del(&mode->head);
3616 		drm_mode_probed_add(connector, mode);
3617 		modes++;
3618 	}
3619 
3620 	return modes;
3621 }
3622 
3623 static u8 svd_to_vic(u8 svd)
3624 {
3625 	/* 0-6 bit vic, 7th bit native mode indicator */
3626 	if ((svd >= 1 &&  svd <= 64) || (svd >= 129 && svd <= 192))
3627 		return svd & 127;
3628 
3629 	return svd;
3630 }
3631 
3632 static struct drm_display_mode *
3633 drm_display_mode_from_vic_index(struct drm_connector *connector,
3634 				const u8 *video_db, u8 video_len,
3635 				u8 video_index)
3636 {
3637 	struct drm_device *dev = connector->dev;
3638 	struct drm_display_mode *newmode;
3639 	u8 vic;
3640 
3641 	if (video_db == NULL || video_index >= video_len)
3642 		return NULL;
3643 
3644 	/* CEA modes are numbered 1..127 */
3645 	vic = svd_to_vic(video_db[video_index]);
3646 	if (!drm_valid_cea_vic(vic))
3647 		return NULL;
3648 
3649 	newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3650 	if (!newmode)
3651 		return NULL;
3652 
3653 	return newmode;
3654 }
3655 
3656 /*
3657  * do_y420vdb_modes - Parse YCBCR 420 only modes
3658  * @connector: connector corresponding to the HDMI sink
3659  * @svds: start of the data block of CEA YCBCR 420 VDB
3660  * @len: length of the CEA YCBCR 420 VDB
3661  *
3662  * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB)
3663  * which contains modes which can be supported in YCBCR 420
3664  * output format only.
3665  */
3666 static int do_y420vdb_modes(struct drm_connector *connector,
3667 			    const u8 *svds, u8 svds_len)
3668 {
3669 	int modes = 0, i;
3670 	struct drm_device *dev = connector->dev;
3671 	struct drm_display_info *info = &connector->display_info;
3672 	struct drm_hdmi_info *hdmi = &info->hdmi;
3673 
3674 	for (i = 0; i < svds_len; i++) {
3675 		u8 vic = svd_to_vic(svds[i]);
3676 		struct drm_display_mode *newmode;
3677 
3678 		if (!drm_valid_cea_vic(vic))
3679 			continue;
3680 
3681 		newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3682 		if (!newmode)
3683 			break;
3684 		bitmap_set(hdmi->y420_vdb_modes, vic, 1);
3685 		drm_mode_probed_add(connector, newmode);
3686 		modes++;
3687 	}
3688 
3689 	if (modes > 0)
3690 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
3691 	return modes;
3692 }
3693 
3694 /*
3695  * drm_add_cmdb_modes - Add a YCBCR 420 mode into bitmap
3696  * @connector: connector corresponding to the HDMI sink
3697  * @vic: CEA vic for the video mode to be added in the map
3698  *
3699  * Makes an entry for a videomode in the YCBCR 420 bitmap
3700  */
3701 static void
3702 drm_add_cmdb_modes(struct drm_connector *connector, u8 svd)
3703 {
3704 	u8 vic = svd_to_vic(svd);
3705 	struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3706 
3707 	if (!drm_valid_cea_vic(vic))
3708 		return;
3709 
3710 	bitmap_set(hdmi->y420_cmdb_modes, vic, 1);
3711 }
3712 
3713 /**
3714  * drm_display_mode_from_cea_vic() - return a mode for CEA VIC
3715  * @dev: DRM device
3716  * @video_code: CEA VIC of the mode
3717  *
3718  * Creates a new mode matching the specified CEA VIC.
3719  *
3720  * Returns: A new drm_display_mode on success or NULL on failure
3721  */
3722 struct drm_display_mode *
3723 drm_display_mode_from_cea_vic(struct drm_device *dev,
3724 			      u8 video_code)
3725 {
3726 	const struct drm_display_mode *cea_mode;
3727 	struct drm_display_mode *newmode;
3728 
3729 	cea_mode = cea_mode_for_vic(video_code);
3730 	if (!cea_mode)
3731 		return NULL;
3732 
3733 	newmode = drm_mode_duplicate(dev, cea_mode);
3734 	if (!newmode)
3735 		return NULL;
3736 
3737 	return newmode;
3738 }
3739 EXPORT_SYMBOL(drm_display_mode_from_cea_vic);
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 	const u8 *cea;
4472 	const 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 	const 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 		const 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 				const 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 	const 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 	const 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
4825 void drm_get_max_frl_rate(int max_frl_rate, u8 *max_lanes, u8 *max_rate_per_lane)
4826 {
4827 	switch (max_frl_rate) {
4828 	case 1:
4829 		*max_lanes = 3;
4830 		*max_rate_per_lane = 3;
4831 		break;
4832 	case 2:
4833 		*max_lanes = 3;
4834 		*max_rate_per_lane = 6;
4835 		break;
4836 	case 3:
4837 		*max_lanes = 4;
4838 		*max_rate_per_lane = 6;
4839 		break;
4840 	case 4:
4841 		*max_lanes = 4;
4842 		*max_rate_per_lane = 8;
4843 		break;
4844 	case 5:
4845 		*max_lanes = 4;
4846 		*max_rate_per_lane = 10;
4847 		break;
4848 	case 6:
4849 		*max_lanes = 4;
4850 		*max_rate_per_lane = 12;
4851 		break;
4852 	case 0:
4853 	default:
4854 		*max_lanes = 0;
4855 		*max_rate_per_lane = 0;
4856 	}
4857 }
4858 
4859 static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector,
4860 					       const u8 *db)
4861 {
4862 	u8 dc_mask;
4863 	struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
4864 
4865 	dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK;
4866 	hdmi->y420_dc_modes = dc_mask;
4867 }
4868 
4869 static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector,
4870 				 const u8 *hf_vsdb)
4871 {
4872 	struct drm_display_info *display = &connector->display_info;
4873 	struct drm_hdmi_info *hdmi = &display->hdmi;
4874 
4875 	display->has_hdmi_infoframe = true;
4876 
4877 	if (hf_vsdb[6] & 0x80) {
4878 		hdmi->scdc.supported = true;
4879 		if (hf_vsdb[6] & 0x40)
4880 			hdmi->scdc.read_request = true;
4881 	}
4882 
4883 	/*
4884 	 * All HDMI 2.0 monitors must support scrambling at rates > 340 MHz.
4885 	 * And as per the spec, three factors confirm this:
4886 	 * * Availability of a HF-VSDB block in EDID (check)
4887 	 * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check)
4888 	 * * SCDC support available (let's check)
4889 	 * Lets check it out.
4890 	 */
4891 
4892 	if (hf_vsdb[5]) {
4893 		/* max clock is 5000 KHz times block value */
4894 		u32 max_tmds_clock = hf_vsdb[5] * 5000;
4895 		struct drm_scdc *scdc = &hdmi->scdc;
4896 
4897 		if (max_tmds_clock > 340000) {
4898 			display->max_tmds_clock = max_tmds_clock;
4899 			DRM_DEBUG_KMS("HF-VSDB: max TMDS clock %d kHz\n",
4900 				display->max_tmds_clock);
4901 		}
4902 
4903 		if (scdc->supported) {
4904 			scdc->scrambling.supported = true;
4905 
4906 			/* Few sinks support scrambling for clocks < 340M */
4907 			if ((hf_vsdb[6] & 0x8))
4908 				scdc->scrambling.low_rates = true;
4909 		}
4910 	}
4911 
4912 	if (hf_vsdb[7]) {
4913 		u8 max_frl_rate;
4914 		u8 dsc_max_frl_rate;
4915 		u8 dsc_max_slices;
4916 		struct drm_hdmi_dsc_cap *hdmi_dsc = &hdmi->dsc_cap;
4917 
4918 		DRM_DEBUG_KMS("hdmi_21 sink detected. parsing edid\n");
4919 		max_frl_rate = (hf_vsdb[7] & DRM_EDID_MAX_FRL_RATE_MASK) >> 4;
4920 		drm_get_max_frl_rate(max_frl_rate, &hdmi->max_lanes,
4921 				     &hdmi->max_frl_rate_per_lane);
4922 		hdmi_dsc->v_1p2 = hf_vsdb[11] & DRM_EDID_DSC_1P2;
4923 
4924 		if (hdmi_dsc->v_1p2) {
4925 			hdmi_dsc->native_420 = hf_vsdb[11] & DRM_EDID_DSC_NATIVE_420;
4926 			hdmi_dsc->all_bpp = hf_vsdb[11] & DRM_EDID_DSC_ALL_BPP;
4927 
4928 			if (hf_vsdb[11] & DRM_EDID_DSC_16BPC)
4929 				hdmi_dsc->bpc_supported = 16;
4930 			else if (hf_vsdb[11] & DRM_EDID_DSC_12BPC)
4931 				hdmi_dsc->bpc_supported = 12;
4932 			else if (hf_vsdb[11] & DRM_EDID_DSC_10BPC)
4933 				hdmi_dsc->bpc_supported = 10;
4934 			else
4935 				hdmi_dsc->bpc_supported = 0;
4936 
4937 			dsc_max_frl_rate = (hf_vsdb[12] & DRM_EDID_DSC_MAX_FRL_RATE_MASK) >> 4;
4938 			drm_get_max_frl_rate(dsc_max_frl_rate, &hdmi_dsc->max_lanes,
4939 					     &hdmi_dsc->max_frl_rate_per_lane);
4940 			hdmi_dsc->total_chunk_kbytes = hf_vsdb[13] & DRM_EDID_DSC_TOTAL_CHUNK_KBYTES;
4941 
4942 			dsc_max_slices = hf_vsdb[12] & DRM_EDID_DSC_MAX_SLICES;
4943 			switch (dsc_max_slices) {
4944 			case 1:
4945 				hdmi_dsc->max_slices = 1;
4946 				hdmi_dsc->clk_per_slice = 340;
4947 				break;
4948 			case 2:
4949 				hdmi_dsc->max_slices = 2;
4950 				hdmi_dsc->clk_per_slice = 340;
4951 				break;
4952 			case 3:
4953 				hdmi_dsc->max_slices = 4;
4954 				hdmi_dsc->clk_per_slice = 340;
4955 				break;
4956 			case 4:
4957 				hdmi_dsc->max_slices = 8;
4958 				hdmi_dsc->clk_per_slice = 340;
4959 				break;
4960 			case 5:
4961 				hdmi_dsc->max_slices = 8;
4962 				hdmi_dsc->clk_per_slice = 400;
4963 				break;
4964 			case 6:
4965 				hdmi_dsc->max_slices = 12;
4966 				hdmi_dsc->clk_per_slice = 400;
4967 				break;
4968 			case 7:
4969 				hdmi_dsc->max_slices = 16;
4970 				hdmi_dsc->clk_per_slice = 400;
4971 				break;
4972 			case 0:
4973 			default:
4974 				hdmi_dsc->max_slices = 0;
4975 				hdmi_dsc->clk_per_slice = 0;
4976 			}
4977 		}
4978 	}
4979 
4980 	drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb);
4981 }
4982 
4983 static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector,
4984 					   const u8 *hdmi)
4985 {
4986 	struct drm_display_info *info = &connector->display_info;
4987 	unsigned int dc_bpc = 0;
4988 
4989 	/* HDMI supports at least 8 bpc */
4990 	info->bpc = 8;
4991 
4992 	if (cea_db_payload_len(hdmi) < 6)
4993 		return;
4994 
4995 	if (hdmi[6] & DRM_EDID_HDMI_DC_30) {
4996 		dc_bpc = 10;
4997 		info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_30;
4998 		DRM_DEBUG("%s: HDMI sink does deep color 30.\n",
4999 			  connector->name);
5000 	}
5001 
5002 	if (hdmi[6] & DRM_EDID_HDMI_DC_36) {
5003 		dc_bpc = 12;
5004 		info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_36;
5005 		DRM_DEBUG("%s: HDMI sink does deep color 36.\n",
5006 			  connector->name);
5007 	}
5008 
5009 	if (hdmi[6] & DRM_EDID_HDMI_DC_48) {
5010 		dc_bpc = 16;
5011 		info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_48;
5012 		DRM_DEBUG("%s: HDMI sink does deep color 48.\n",
5013 			  connector->name);
5014 	}
5015 
5016 	if (dc_bpc == 0) {
5017 		DRM_DEBUG("%s: No deep color support on this HDMI sink.\n",
5018 			  connector->name);
5019 		return;
5020 	}
5021 
5022 	DRM_DEBUG("%s: Assigning HDMI sink color depth as %d bpc.\n",
5023 		  connector->name, dc_bpc);
5024 	info->bpc = dc_bpc;
5025 
5026 	/*
5027 	 * Deep color support mandates RGB444 support for all video
5028 	 * modes and forbids YCRCB422 support for all video modes per
5029 	 * HDMI 1.3 spec.
5030 	 */
5031 	info->color_formats = DRM_COLOR_FORMAT_RGB444;
5032 
5033 	/* YCRCB444 is optional according to spec. */
5034 	if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) {
5035 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5036 		DRM_DEBUG("%s: HDMI sink does YCRCB444 in deep color.\n",
5037 			  connector->name);
5038 	}
5039 
5040 	/*
5041 	 * Spec says that if any deep color mode is supported at all,
5042 	 * then deep color 36 bit must be supported.
5043 	 */
5044 	if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) {
5045 		DRM_DEBUG("%s: HDMI sink should do DC_36, but does not!\n",
5046 			  connector->name);
5047 	}
5048 }
5049 
5050 static void
5051 drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db)
5052 {
5053 	struct drm_display_info *info = &connector->display_info;
5054 	u8 len = cea_db_payload_len(db);
5055 
5056 	info->is_hdmi = true;
5057 
5058 	if (len >= 6)
5059 		info->dvi_dual = db[6] & 1;
5060 	if (len >= 7)
5061 		info->max_tmds_clock = db[7] * 5000;
5062 
5063 	DRM_DEBUG_KMS("HDMI: DVI dual %d, "
5064 		      "max TMDS clock %d kHz\n",
5065 		      info->dvi_dual,
5066 		      info->max_tmds_clock);
5067 
5068 	drm_parse_hdmi_deep_color_info(connector, db);
5069 }
5070 
5071 static void drm_parse_cea_ext(struct drm_connector *connector,
5072 			      const struct edid *edid)
5073 {
5074 	struct drm_display_info *info = &connector->display_info;
5075 	const u8 *edid_ext;
5076 	int i, start, end;
5077 
5078 	edid_ext = drm_find_cea_extension(edid);
5079 	if (!edid_ext)
5080 		return;
5081 
5082 	info->cea_rev = edid_ext[1];
5083 
5084 	/* The existence of a CEA block should imply RGB support */
5085 	info->color_formats = DRM_COLOR_FORMAT_RGB444;
5086 	if (edid_ext[3] & EDID_CEA_YCRCB444)
5087 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5088 	if (edid_ext[3] & EDID_CEA_YCRCB422)
5089 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
5090 
5091 	if (cea_db_offsets(edid_ext, &start, &end))
5092 		return;
5093 
5094 	for_each_cea_db(edid_ext, i, start, end) {
5095 		const u8 *db = &edid_ext[i];
5096 
5097 		if (cea_db_is_hdmi_vsdb(db))
5098 			drm_parse_hdmi_vsdb_video(connector, db);
5099 		if (cea_db_is_hdmi_forum_vsdb(db))
5100 			drm_parse_hdmi_forum_vsdb(connector, db);
5101 		if (cea_db_is_y420cmdb(db))
5102 			drm_parse_y420cmdb_bitmap(connector, db);
5103 		if (cea_db_is_vcdb(db))
5104 			drm_parse_vcdb(connector, db);
5105 		if (cea_db_is_hdmi_hdr_metadata_block(db))
5106 			drm_parse_hdr_metadata_block(connector, db);
5107 	}
5108 }
5109 
5110 static
5111 void get_monitor_range(struct detailed_timing *timing,
5112 		       void *info_monitor_range)
5113 {
5114 	struct drm_monitor_range_info *monitor_range = info_monitor_range;
5115 	const struct detailed_non_pixel *data = &timing->data.other_data;
5116 	const struct detailed_data_monitor_range *range = &data->data.range;
5117 
5118 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
5119 		return;
5120 
5121 	/*
5122 	 * Check for flag range limits only. If flag == 1 then
5123 	 * no additional timing information provided.
5124 	 * Default GTF, GTF Secondary curve and CVT are not
5125 	 * supported
5126 	 */
5127 	if (range->flags != DRM_EDID_RANGE_LIMITS_ONLY_FLAG)
5128 		return;
5129 
5130 	monitor_range->min_vfreq = range->min_vfreq;
5131 	monitor_range->max_vfreq = range->max_vfreq;
5132 }
5133 
5134 static
5135 void drm_get_monitor_range(struct drm_connector *connector,
5136 			   const struct edid *edid)
5137 {
5138 	struct drm_display_info *info = &connector->display_info;
5139 
5140 	if (!version_greater(edid, 1, 1))
5141 		return;
5142 
5143 	drm_for_each_detailed_block((u8 *)edid, get_monitor_range,
5144 				    &info->monitor_range);
5145 
5146 	DRM_DEBUG_KMS("Supported Monitor Refresh rate range is %d Hz - %d Hz\n",
5147 		      info->monitor_range.min_vfreq,
5148 		      info->monitor_range.max_vfreq);
5149 }
5150 
5151 /* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset
5152  * all of the values which would have been set from EDID
5153  */
5154 void
5155 drm_reset_display_info(struct drm_connector *connector)
5156 {
5157 	struct drm_display_info *info = &connector->display_info;
5158 
5159 	info->width_mm = 0;
5160 	info->height_mm = 0;
5161 
5162 	info->bpc = 0;
5163 	info->color_formats = 0;
5164 	info->cea_rev = 0;
5165 	info->max_tmds_clock = 0;
5166 	info->dvi_dual = false;
5167 	info->is_hdmi = false;
5168 	info->has_hdmi_infoframe = false;
5169 	info->rgb_quant_range_selectable = false;
5170 	memset(&info->hdmi, 0, sizeof(info->hdmi));
5171 
5172 	info->non_desktop = 0;
5173 	memset(&info->monitor_range, 0, sizeof(info->monitor_range));
5174 }
5175 
5176 u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid)
5177 {
5178 	struct drm_display_info *info = &connector->display_info;
5179 
5180 	u32 quirks = edid_get_quirks(edid);
5181 
5182 	drm_reset_display_info(connector);
5183 
5184 	info->width_mm = edid->width_cm * 10;
5185 	info->height_mm = edid->height_cm * 10;
5186 
5187 	info->non_desktop = !!(quirks & EDID_QUIRK_NON_DESKTOP);
5188 
5189 	drm_get_monitor_range(connector, edid);
5190 
5191 	DRM_DEBUG_KMS("non_desktop set to %d\n", info->non_desktop);
5192 
5193 	if (edid->revision < 3)
5194 		return quirks;
5195 
5196 	if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
5197 		return quirks;
5198 
5199 	drm_parse_cea_ext(connector, edid);
5200 
5201 	/*
5202 	 * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3?
5203 	 *
5204 	 * For such displays, the DFP spec 1.0, section 3.10 "EDID support"
5205 	 * tells us to assume 8 bpc color depth if the EDID doesn't have
5206 	 * extensions which tell otherwise.
5207 	 */
5208 	if (info->bpc == 0 && edid->revision == 3 &&
5209 	    edid->input & DRM_EDID_DIGITAL_DFP_1_X) {
5210 		info->bpc = 8;
5211 		DRM_DEBUG("%s: Assigning DFP sink color depth as %d bpc.\n",
5212 			  connector->name, info->bpc);
5213 	}
5214 
5215 	/* Only defined for 1.4 with digital displays */
5216 	if (edid->revision < 4)
5217 		return quirks;
5218 
5219 	switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {
5220 	case DRM_EDID_DIGITAL_DEPTH_6:
5221 		info->bpc = 6;
5222 		break;
5223 	case DRM_EDID_DIGITAL_DEPTH_8:
5224 		info->bpc = 8;
5225 		break;
5226 	case DRM_EDID_DIGITAL_DEPTH_10:
5227 		info->bpc = 10;
5228 		break;
5229 	case DRM_EDID_DIGITAL_DEPTH_12:
5230 		info->bpc = 12;
5231 		break;
5232 	case DRM_EDID_DIGITAL_DEPTH_14:
5233 		info->bpc = 14;
5234 		break;
5235 	case DRM_EDID_DIGITAL_DEPTH_16:
5236 		info->bpc = 16;
5237 		break;
5238 	case DRM_EDID_DIGITAL_DEPTH_UNDEF:
5239 	default:
5240 		info->bpc = 0;
5241 		break;
5242 	}
5243 
5244 	DRM_DEBUG("%s: Assigning EDID-1.4 digital sink color depth as %d bpc.\n",
5245 			  connector->name, info->bpc);
5246 
5247 	info->color_formats |= DRM_COLOR_FORMAT_RGB444;
5248 	if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)
5249 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5250 	if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)
5251 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
5252 	return quirks;
5253 }
5254 
5255 static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev,
5256 							    struct displayid_detailed_timings_1 *timings)
5257 {
5258 	struct drm_display_mode *mode;
5259 	unsigned pixel_clock = (timings->pixel_clock[0] |
5260 				(timings->pixel_clock[1] << 8) |
5261 				(timings->pixel_clock[2] << 16)) + 1;
5262 	unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;
5263 	unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;
5264 	unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1;
5265 	unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1;
5266 	unsigned vactive = (timings->vactive[0] | timings->vactive[1] << 8) + 1;
5267 	unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1;
5268 	unsigned vsync = (timings->vsync[0] | (timings->vsync[1] & 0x7f) << 8) + 1;
5269 	unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1;
5270 	bool hsync_positive = (timings->hsync[1] >> 7) & 0x1;
5271 	bool vsync_positive = (timings->vsync[1] >> 7) & 0x1;
5272 
5273 	mode = drm_mode_create(dev);
5274 	if (!mode)
5275 		return NULL;
5276 
5277 	mode->clock = pixel_clock * 10;
5278 	mode->hdisplay = hactive;
5279 	mode->hsync_start = mode->hdisplay + hsync;
5280 	mode->hsync_end = mode->hsync_start + hsync_width;
5281 	mode->htotal = mode->hdisplay + hblank;
5282 
5283 	mode->vdisplay = vactive;
5284 	mode->vsync_start = mode->vdisplay + vsync;
5285 	mode->vsync_end = mode->vsync_start + vsync_width;
5286 	mode->vtotal = mode->vdisplay + vblank;
5287 
5288 	mode->flags = 0;
5289 	mode->flags |= hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
5290 	mode->flags |= vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
5291 	mode->type = DRM_MODE_TYPE_DRIVER;
5292 
5293 	if (timings->flags & 0x80)
5294 		mode->type |= DRM_MODE_TYPE_PREFERRED;
5295 	drm_mode_set_name(mode);
5296 
5297 	return mode;
5298 }
5299 
5300 static int add_displayid_detailed_1_modes(struct drm_connector *connector,
5301 					  const struct displayid_block *block)
5302 {
5303 	struct displayid_detailed_timing_block *det = (struct displayid_detailed_timing_block *)block;
5304 	int i;
5305 	int num_timings;
5306 	struct drm_display_mode *newmode;
5307 	int num_modes = 0;
5308 	/* blocks must be multiple of 20 bytes length */
5309 	if (block->num_bytes % 20)
5310 		return 0;
5311 
5312 	num_timings = block->num_bytes / 20;
5313 	for (i = 0; i < num_timings; i++) {
5314 		struct displayid_detailed_timings_1 *timings = &det->timings[i];
5315 
5316 		newmode = drm_mode_displayid_detailed(connector->dev, timings);
5317 		if (!newmode)
5318 			continue;
5319 
5320 		drm_mode_probed_add(connector, newmode);
5321 		num_modes++;
5322 	}
5323 	return num_modes;
5324 }
5325 
5326 static int add_displayid_detailed_modes(struct drm_connector *connector,
5327 					struct edid *edid)
5328 {
5329 	const struct displayid_block *block;
5330 	struct displayid_iter iter;
5331 	int num_modes = 0;
5332 
5333 	displayid_iter_edid_begin(edid, &iter);
5334 	displayid_iter_for_each(block, &iter) {
5335 		if (block->tag == DATA_BLOCK_TYPE_1_DETAILED_TIMING)
5336 			num_modes += add_displayid_detailed_1_modes(connector, block);
5337 	}
5338 	displayid_iter_end(&iter);
5339 
5340 	return num_modes;
5341 }
5342 
5343 /**
5344  * drm_add_edid_modes - add modes from EDID data, if available
5345  * @connector: connector we're probing
5346  * @edid: EDID data
5347  *
5348  * Add the specified modes to the connector's mode list. Also fills out the
5349  * &drm_display_info structure and ELD in @connector with any information which
5350  * can be derived from the edid.
5351  *
5352  * Return: The number of modes added or 0 if we couldn't find any.
5353  */
5354 int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
5355 {
5356 	int num_modes = 0;
5357 	u32 quirks;
5358 
5359 	if (edid == NULL) {
5360 		clear_eld(connector);
5361 		return 0;
5362 	}
5363 	if (!drm_edid_is_valid(edid)) {
5364 		clear_eld(connector);
5365 		drm_warn(connector->dev, "%s: EDID invalid.\n",
5366 			 connector->name);
5367 		return 0;
5368 	}
5369 
5370 	drm_edid_to_eld(connector, edid);
5371 
5372 	/*
5373 	 * CEA-861-F adds ycbcr capability map block, for HDMI 2.0 sinks.
5374 	 * To avoid multiple parsing of same block, lets parse that map
5375 	 * from sink info, before parsing CEA modes.
5376 	 */
5377 	quirks = drm_add_display_info(connector, edid);
5378 
5379 	/*
5380 	 * EDID spec says modes should be preferred in this order:
5381 	 * - preferred detailed mode
5382 	 * - other detailed modes from base block
5383 	 * - detailed modes from extension blocks
5384 	 * - CVT 3-byte code modes
5385 	 * - standard timing codes
5386 	 * - established timing codes
5387 	 * - modes inferred from GTF or CVT range information
5388 	 *
5389 	 * We get this pretty much right.
5390 	 *
5391 	 * XXX order for additional mode types in extension blocks?
5392 	 */
5393 	num_modes += add_detailed_modes(connector, edid, quirks);
5394 	num_modes += add_cvt_modes(connector, edid);
5395 	num_modes += add_standard_modes(connector, edid);
5396 	num_modes += add_established_modes(connector, edid);
5397 	num_modes += add_cea_modes(connector, edid);
5398 	num_modes += add_alternate_cea_modes(connector, edid);
5399 	num_modes += add_displayid_detailed_modes(connector, edid);
5400 	if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
5401 		num_modes += add_inferred_modes(connector, edid);
5402 
5403 	if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
5404 		edid_fixup_preferred(connector, quirks);
5405 
5406 	if (quirks & EDID_QUIRK_FORCE_6BPC)
5407 		connector->display_info.bpc = 6;
5408 
5409 	if (quirks & EDID_QUIRK_FORCE_8BPC)
5410 		connector->display_info.bpc = 8;
5411 
5412 	if (quirks & EDID_QUIRK_FORCE_10BPC)
5413 		connector->display_info.bpc = 10;
5414 
5415 	if (quirks & EDID_QUIRK_FORCE_12BPC)
5416 		connector->display_info.bpc = 12;
5417 
5418 	return num_modes;
5419 }
5420 EXPORT_SYMBOL(drm_add_edid_modes);
5421 
5422 /**
5423  * drm_add_modes_noedid - add modes for the connectors without EDID
5424  * @connector: connector we're probing
5425  * @hdisplay: the horizontal display limit
5426  * @vdisplay: the vertical display limit
5427  *
5428  * Add the specified modes to the connector's mode list. Only when the
5429  * hdisplay/vdisplay is not beyond the given limit, it will be added.
5430  *
5431  * Return: The number of modes added or 0 if we couldn't find any.
5432  */
5433 int drm_add_modes_noedid(struct drm_connector *connector,
5434 			int hdisplay, int vdisplay)
5435 {
5436 	int i, count, num_modes = 0;
5437 	struct drm_display_mode *mode;
5438 	struct drm_device *dev = connector->dev;
5439 
5440 	count = ARRAY_SIZE(drm_dmt_modes);
5441 	if (hdisplay < 0)
5442 		hdisplay = 0;
5443 	if (vdisplay < 0)
5444 		vdisplay = 0;
5445 
5446 	for (i = 0; i < count; i++) {
5447 		const struct drm_display_mode *ptr = &drm_dmt_modes[i];
5448 
5449 		if (hdisplay && vdisplay) {
5450 			/*
5451 			 * Only when two are valid, they will be used to check
5452 			 * whether the mode should be added to the mode list of
5453 			 * the connector.
5454 			 */
5455 			if (ptr->hdisplay > hdisplay ||
5456 					ptr->vdisplay > vdisplay)
5457 				continue;
5458 		}
5459 		if (drm_mode_vrefresh(ptr) > 61)
5460 			continue;
5461 		mode = drm_mode_duplicate(dev, ptr);
5462 		if (mode) {
5463 			drm_mode_probed_add(connector, mode);
5464 			num_modes++;
5465 		}
5466 	}
5467 	return num_modes;
5468 }
5469 EXPORT_SYMBOL(drm_add_modes_noedid);
5470 
5471 /**
5472  * drm_set_preferred_mode - Sets the preferred mode of a connector
5473  * @connector: connector whose mode list should be processed
5474  * @hpref: horizontal resolution of preferred mode
5475  * @vpref: vertical resolution of preferred mode
5476  *
5477  * Marks a mode as preferred if it matches the resolution specified by @hpref
5478  * and @vpref.
5479  */
5480 void drm_set_preferred_mode(struct drm_connector *connector,
5481 			   int hpref, int vpref)
5482 {
5483 	struct drm_display_mode *mode;
5484 
5485 	list_for_each_entry(mode, &connector->probed_modes, head) {
5486 		if (mode->hdisplay == hpref &&
5487 		    mode->vdisplay == vpref)
5488 			mode->type |= DRM_MODE_TYPE_PREFERRED;
5489 	}
5490 }
5491 EXPORT_SYMBOL(drm_set_preferred_mode);
5492 
5493 static bool is_hdmi2_sink(const struct drm_connector *connector)
5494 {
5495 	/*
5496 	 * FIXME: sil-sii8620 doesn't have a connector around when
5497 	 * we need one, so we have to be prepared for a NULL connector.
5498 	 */
5499 	if (!connector)
5500 		return true;
5501 
5502 	return connector->display_info.hdmi.scdc.supported ||
5503 		connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB420;
5504 }
5505 
5506 static inline bool is_eotf_supported(u8 output_eotf, u8 sink_eotf)
5507 {
5508 	return sink_eotf & BIT(output_eotf);
5509 }
5510 
5511 /**
5512  * drm_hdmi_infoframe_set_hdr_metadata() - fill an HDMI DRM infoframe with
5513  *                                         HDR metadata from userspace
5514  * @frame: HDMI DRM infoframe
5515  * @conn_state: Connector state containing HDR metadata
5516  *
5517  * Return: 0 on success or a negative error code on failure.
5518  */
5519 int
5520 drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
5521 				    const struct drm_connector_state *conn_state)
5522 {
5523 	struct drm_connector *connector;
5524 	struct hdr_output_metadata *hdr_metadata;
5525 	int err;
5526 
5527 	if (!frame || !conn_state)
5528 		return -EINVAL;
5529 
5530 	connector = conn_state->connector;
5531 
5532 	if (!conn_state->hdr_output_metadata)
5533 		return -EINVAL;
5534 
5535 	hdr_metadata = conn_state->hdr_output_metadata->data;
5536 
5537 	if (!hdr_metadata || !connector)
5538 		return -EINVAL;
5539 
5540 	/* Sink EOTF is Bit map while infoframe is absolute values */
5541 	if (!is_eotf_supported(hdr_metadata->hdmi_metadata_type1.eotf,
5542 	    connector->hdr_sink_metadata.hdmi_type1.eotf)) {
5543 		DRM_DEBUG_KMS("EOTF Not Supported\n");
5544 		return -EINVAL;
5545 	}
5546 
5547 	err = hdmi_drm_infoframe_init(frame);
5548 	if (err < 0)
5549 		return err;
5550 
5551 	frame->eotf = hdr_metadata->hdmi_metadata_type1.eotf;
5552 	frame->metadata_type = hdr_metadata->hdmi_metadata_type1.metadata_type;
5553 
5554 	BUILD_BUG_ON(sizeof(frame->display_primaries) !=
5555 		     sizeof(hdr_metadata->hdmi_metadata_type1.display_primaries));
5556 	BUILD_BUG_ON(sizeof(frame->white_point) !=
5557 		     sizeof(hdr_metadata->hdmi_metadata_type1.white_point));
5558 
5559 	memcpy(&frame->display_primaries,
5560 	       &hdr_metadata->hdmi_metadata_type1.display_primaries,
5561 	       sizeof(frame->display_primaries));
5562 
5563 	memcpy(&frame->white_point,
5564 	       &hdr_metadata->hdmi_metadata_type1.white_point,
5565 	       sizeof(frame->white_point));
5566 
5567 	frame->max_display_mastering_luminance =
5568 		hdr_metadata->hdmi_metadata_type1.max_display_mastering_luminance;
5569 	frame->min_display_mastering_luminance =
5570 		hdr_metadata->hdmi_metadata_type1.min_display_mastering_luminance;
5571 	frame->max_fall = hdr_metadata->hdmi_metadata_type1.max_fall;
5572 	frame->max_cll = hdr_metadata->hdmi_metadata_type1.max_cll;
5573 
5574 	return 0;
5575 }
5576 EXPORT_SYMBOL(drm_hdmi_infoframe_set_hdr_metadata);
5577 
5578 static u8 drm_mode_hdmi_vic(const struct drm_connector *connector,
5579 			    const struct drm_display_mode *mode)
5580 {
5581 	bool has_hdmi_infoframe = connector ?
5582 		connector->display_info.has_hdmi_infoframe : false;
5583 
5584 	if (!has_hdmi_infoframe)
5585 		return 0;
5586 
5587 	/* No HDMI VIC when signalling 3D video format */
5588 	if (mode->flags & DRM_MODE_FLAG_3D_MASK)
5589 		return 0;
5590 
5591 	return drm_match_hdmi_mode(mode);
5592 }
5593 
5594 static u8 drm_mode_cea_vic(const struct drm_connector *connector,
5595 			   const struct drm_display_mode *mode)
5596 {
5597 	u8 vic;
5598 
5599 	/*
5600 	 * HDMI spec says if a mode is found in HDMI 1.4b 4K modes
5601 	 * we should send its VIC in vendor infoframes, else send the
5602 	 * VIC in AVI infoframes. Lets check if this mode is present in
5603 	 * HDMI 1.4b 4K modes
5604 	 */
5605 	if (drm_mode_hdmi_vic(connector, mode))
5606 		return 0;
5607 
5608 	vic = drm_match_cea_mode(mode);
5609 
5610 	/*
5611 	 * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but
5612 	 * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we
5613 	 * have to make sure we dont break HDMI 1.4 sinks.
5614 	 */
5615 	if (!is_hdmi2_sink(connector) && vic > 64)
5616 		return 0;
5617 
5618 	return vic;
5619 }
5620 
5621 /**
5622  * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with
5623  *                                              data from a DRM display mode
5624  * @frame: HDMI AVI infoframe
5625  * @connector: the connector
5626  * @mode: DRM display mode
5627  *
5628  * Return: 0 on success or a negative error code on failure.
5629  */
5630 int
5631 drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
5632 					 const struct drm_connector *connector,
5633 					 const struct drm_display_mode *mode)
5634 {
5635 	enum hdmi_picture_aspect picture_aspect;
5636 	u8 vic, hdmi_vic;
5637 
5638 	if (!frame || !mode)
5639 		return -EINVAL;
5640 
5641 	hdmi_avi_infoframe_init(frame);
5642 
5643 	if (mode->flags & DRM_MODE_FLAG_DBLCLK)
5644 		frame->pixel_repeat = 1;
5645 
5646 	vic = drm_mode_cea_vic(connector, mode);
5647 	hdmi_vic = drm_mode_hdmi_vic(connector, mode);
5648 
5649 	frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5650 
5651 	/*
5652 	 * As some drivers don't support atomic, we can't use connector state.
5653 	 * So just initialize the frame with default values, just the same way
5654 	 * as it's done with other properties here.
5655 	 */
5656 	frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
5657 	frame->itc = 0;
5658 
5659 	/*
5660 	 * Populate picture aspect ratio from either
5661 	 * user input (if specified) or from the CEA/HDMI mode lists.
5662 	 */
5663 	picture_aspect = mode->picture_aspect_ratio;
5664 	if (picture_aspect == HDMI_PICTURE_ASPECT_NONE) {
5665 		if (vic)
5666 			picture_aspect = drm_get_cea_aspect_ratio(vic);
5667 		else if (hdmi_vic)
5668 			picture_aspect = drm_get_hdmi_aspect_ratio(hdmi_vic);
5669 	}
5670 
5671 	/*
5672 	 * The infoframe can't convey anything but none, 4:3
5673 	 * and 16:9, so if the user has asked for anything else
5674 	 * we can only satisfy it by specifying the right VIC.
5675 	 */
5676 	if (picture_aspect > HDMI_PICTURE_ASPECT_16_9) {
5677 		if (vic) {
5678 			if (picture_aspect != drm_get_cea_aspect_ratio(vic))
5679 				return -EINVAL;
5680 		} else if (hdmi_vic) {
5681 			if (picture_aspect != drm_get_hdmi_aspect_ratio(hdmi_vic))
5682 				return -EINVAL;
5683 		} else {
5684 			return -EINVAL;
5685 		}
5686 
5687 		picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5688 	}
5689 
5690 	frame->video_code = vic;
5691 	frame->picture_aspect = picture_aspect;
5692 	frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
5693 	frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
5694 
5695 	return 0;
5696 }
5697 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode);
5698 
5699 /* HDMI Colorspace Spec Definitions */
5700 #define FULL_COLORIMETRY_MASK		0x1FF
5701 #define NORMAL_COLORIMETRY_MASK		0x3
5702 #define EXTENDED_COLORIMETRY_MASK	0x7
5703 #define EXTENDED_ACE_COLORIMETRY_MASK	0xF
5704 
5705 #define C(x) ((x) << 0)
5706 #define EC(x) ((x) << 2)
5707 #define ACE(x) ((x) << 5)
5708 
5709 #define HDMI_COLORIMETRY_NO_DATA		0x0
5710 #define HDMI_COLORIMETRY_SMPTE_170M_YCC		(C(1) | EC(0) | ACE(0))
5711 #define HDMI_COLORIMETRY_BT709_YCC		(C(2) | EC(0) | ACE(0))
5712 #define HDMI_COLORIMETRY_XVYCC_601		(C(3) | EC(0) | ACE(0))
5713 #define HDMI_COLORIMETRY_XVYCC_709		(C(3) | EC(1) | ACE(0))
5714 #define HDMI_COLORIMETRY_SYCC_601		(C(3) | EC(2) | ACE(0))
5715 #define HDMI_COLORIMETRY_OPYCC_601		(C(3) | EC(3) | ACE(0))
5716 #define HDMI_COLORIMETRY_OPRGB			(C(3) | EC(4) | ACE(0))
5717 #define HDMI_COLORIMETRY_BT2020_CYCC		(C(3) | EC(5) | ACE(0))
5718 #define HDMI_COLORIMETRY_BT2020_RGB		(C(3) | EC(6) | ACE(0))
5719 #define HDMI_COLORIMETRY_BT2020_YCC		(C(3) | EC(6) | ACE(0))
5720 #define HDMI_COLORIMETRY_DCI_P3_RGB_D65		(C(3) | EC(7) | ACE(0))
5721 #define HDMI_COLORIMETRY_DCI_P3_RGB_THEATER	(C(3) | EC(7) | ACE(1))
5722 
5723 static const u32 hdmi_colorimetry_val[] = {
5724 	[DRM_MODE_COLORIMETRY_NO_DATA] = HDMI_COLORIMETRY_NO_DATA,
5725 	[DRM_MODE_COLORIMETRY_SMPTE_170M_YCC] = HDMI_COLORIMETRY_SMPTE_170M_YCC,
5726 	[DRM_MODE_COLORIMETRY_BT709_YCC] = HDMI_COLORIMETRY_BT709_YCC,
5727 	[DRM_MODE_COLORIMETRY_XVYCC_601] = HDMI_COLORIMETRY_XVYCC_601,
5728 	[DRM_MODE_COLORIMETRY_XVYCC_709] = HDMI_COLORIMETRY_XVYCC_709,
5729 	[DRM_MODE_COLORIMETRY_SYCC_601] = HDMI_COLORIMETRY_SYCC_601,
5730 	[DRM_MODE_COLORIMETRY_OPYCC_601] = HDMI_COLORIMETRY_OPYCC_601,
5731 	[DRM_MODE_COLORIMETRY_OPRGB] = HDMI_COLORIMETRY_OPRGB,
5732 	[DRM_MODE_COLORIMETRY_BT2020_CYCC] = HDMI_COLORIMETRY_BT2020_CYCC,
5733 	[DRM_MODE_COLORIMETRY_BT2020_RGB] = HDMI_COLORIMETRY_BT2020_RGB,
5734 	[DRM_MODE_COLORIMETRY_BT2020_YCC] = HDMI_COLORIMETRY_BT2020_YCC,
5735 };
5736 
5737 #undef C
5738 #undef EC
5739 #undef ACE
5740 
5741 /**
5742  * drm_hdmi_avi_infoframe_colorspace() - fill the HDMI AVI infoframe
5743  *                                       colorspace information
5744  * @frame: HDMI AVI infoframe
5745  * @conn_state: connector state
5746  */
5747 void
5748 drm_hdmi_avi_infoframe_colorspace(struct hdmi_avi_infoframe *frame,
5749 				  const struct drm_connector_state *conn_state)
5750 {
5751 	u32 colorimetry_val;
5752 	u32 colorimetry_index = conn_state->colorspace & FULL_COLORIMETRY_MASK;
5753 
5754 	if (colorimetry_index >= ARRAY_SIZE(hdmi_colorimetry_val))
5755 		colorimetry_val = HDMI_COLORIMETRY_NO_DATA;
5756 	else
5757 		colorimetry_val = hdmi_colorimetry_val[colorimetry_index];
5758 
5759 	frame->colorimetry = colorimetry_val & NORMAL_COLORIMETRY_MASK;
5760 	/*
5761 	 * ToDo: Extend it for ACE formats as well. Modify the infoframe
5762 	 * structure and extend it in drivers/video/hdmi
5763 	 */
5764 	frame->extended_colorimetry = (colorimetry_val >> 2) &
5765 					EXTENDED_COLORIMETRY_MASK;
5766 }
5767 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_colorspace);
5768 
5769 /**
5770  * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
5771  *                                        quantization range information
5772  * @frame: HDMI AVI infoframe
5773  * @connector: the connector
5774  * @mode: DRM display mode
5775  * @rgb_quant_range: RGB quantization range (Q)
5776  */
5777 void
5778 drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
5779 				   const struct drm_connector *connector,
5780 				   const struct drm_display_mode *mode,
5781 				   enum hdmi_quantization_range rgb_quant_range)
5782 {
5783 	const struct drm_display_info *info = &connector->display_info;
5784 
5785 	/*
5786 	 * CEA-861:
5787 	 * "A Source shall not send a non-zero Q value that does not correspond
5788 	 *  to the default RGB Quantization Range for the transmitted Picture
5789 	 *  unless the Sink indicates support for the Q bit in a Video
5790 	 *  Capabilities Data Block."
5791 	 *
5792 	 * HDMI 2.0 recommends sending non-zero Q when it does match the
5793 	 * default RGB quantization range for the mode, even when QS=0.
5794 	 */
5795 	if (info->rgb_quant_range_selectable ||
5796 	    rgb_quant_range == drm_default_rgb_quant_range(mode))
5797 		frame->quantization_range = rgb_quant_range;
5798 	else
5799 		frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
5800 
5801 	/*
5802 	 * CEA-861-F:
5803 	 * "When transmitting any RGB colorimetry, the Source should set the
5804 	 *  YQ-field to match the RGB Quantization Range being transmitted
5805 	 *  (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB,
5806 	 *  set YQ=1) and the Sink shall ignore the YQ-field."
5807 	 *
5808 	 * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused
5809 	 * by non-zero YQ when receiving RGB. There doesn't seem to be any
5810 	 * good way to tell which version of CEA-861 the sink supports, so
5811 	 * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based
5812 	 * on on CEA-861-F.
5813 	 */
5814 	if (!is_hdmi2_sink(connector) ||
5815 	    rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
5816 		frame->ycc_quantization_range =
5817 			HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
5818 	else
5819 		frame->ycc_quantization_range =
5820 			HDMI_YCC_QUANTIZATION_RANGE_FULL;
5821 }
5822 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);
5823 
5824 /**
5825  * drm_hdmi_avi_infoframe_bars() - fill the HDMI AVI infoframe
5826  *                                 bar information
5827  * @frame: HDMI AVI infoframe
5828  * @conn_state: connector state
5829  */
5830 void
5831 drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
5832 			    const struct drm_connector_state *conn_state)
5833 {
5834 	frame->right_bar = conn_state->tv.margins.right;
5835 	frame->left_bar = conn_state->tv.margins.left;
5836 	frame->top_bar = conn_state->tv.margins.top;
5837 	frame->bottom_bar = conn_state->tv.margins.bottom;
5838 }
5839 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_bars);
5840 
5841 static enum hdmi_3d_structure
5842 s3d_structure_from_display_mode(const struct drm_display_mode *mode)
5843 {
5844 	u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK;
5845 
5846 	switch (layout) {
5847 	case DRM_MODE_FLAG_3D_FRAME_PACKING:
5848 		return HDMI_3D_STRUCTURE_FRAME_PACKING;
5849 	case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:
5850 		return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE;
5851 	case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:
5852 		return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE;
5853 	case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:
5854 		return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL;
5855 	case DRM_MODE_FLAG_3D_L_DEPTH:
5856 		return HDMI_3D_STRUCTURE_L_DEPTH;
5857 	case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:
5858 		return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH;
5859 	case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
5860 		return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM;
5861 	case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
5862 		return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF;
5863 	default:
5864 		return HDMI_3D_STRUCTURE_INVALID;
5865 	}
5866 }
5867 
5868 /**
5869  * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with
5870  * data from a DRM display mode
5871  * @frame: HDMI vendor infoframe
5872  * @connector: the connector
5873  * @mode: DRM display mode
5874  *
5875  * Note that there's is a need to send HDMI vendor infoframes only when using a
5876  * 4k or stereoscopic 3D mode. So when giving any other mode as input this
5877  * function will return -EINVAL, error that can be safely ignored.
5878  *
5879  * Return: 0 on success or a negative error code on failure.
5880  */
5881 int
5882 drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
5883 					    const struct drm_connector *connector,
5884 					    const struct drm_display_mode *mode)
5885 {
5886 	/*
5887 	 * FIXME: sil-sii8620 doesn't have a connector around when
5888 	 * we need one, so we have to be prepared for a NULL connector.
5889 	 */
5890 	bool has_hdmi_infoframe = connector ?
5891 		connector->display_info.has_hdmi_infoframe : false;
5892 	int err;
5893 
5894 	if (!frame || !mode)
5895 		return -EINVAL;
5896 
5897 	if (!has_hdmi_infoframe)
5898 		return -EINVAL;
5899 
5900 	err = hdmi_vendor_infoframe_init(frame);
5901 	if (err < 0)
5902 		return err;
5903 
5904 	/*
5905 	 * Even if it's not absolutely necessary to send the infoframe
5906 	 * (ie.vic==0 and s3d_struct==0) we will still send it if we
5907 	 * know that the sink can handle it. This is based on a
5908 	 * suggestion in HDMI 2.0 Appendix F. Apparently some sinks
5909 	 * have trouble realizing that they shuld switch from 3D to 2D
5910 	 * mode if the source simply stops sending the infoframe when
5911 	 * it wants to switch from 3D to 2D.
5912 	 */
5913 	frame->vic = drm_mode_hdmi_vic(connector, mode);
5914 	frame->s3d_struct = s3d_structure_from_display_mode(mode);
5915 
5916 	return 0;
5917 }
5918 EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode);
5919 
5920 static void drm_parse_tiled_block(struct drm_connector *connector,
5921 				  const struct displayid_block *block)
5922 {
5923 	const struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block;
5924 	u16 w, h;
5925 	u8 tile_v_loc, tile_h_loc;
5926 	u8 num_v_tile, num_h_tile;
5927 	struct drm_tile_group *tg;
5928 
5929 	w = tile->tile_size[0] | tile->tile_size[1] << 8;
5930 	h = tile->tile_size[2] | tile->tile_size[3] << 8;
5931 
5932 	num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30);
5933 	num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30);
5934 	tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4);
5935 	tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4);
5936 
5937 	connector->has_tile = true;
5938 	if (tile->tile_cap & 0x80)
5939 		connector->tile_is_single_monitor = true;
5940 
5941 	connector->num_h_tile = num_h_tile + 1;
5942 	connector->num_v_tile = num_v_tile + 1;
5943 	connector->tile_h_loc = tile_h_loc;
5944 	connector->tile_v_loc = tile_v_loc;
5945 	connector->tile_h_size = w + 1;
5946 	connector->tile_v_size = h + 1;
5947 
5948 	DRM_DEBUG_KMS("tile cap 0x%x\n", tile->tile_cap);
5949 	DRM_DEBUG_KMS("tile_size %d x %d\n", w + 1, h + 1);
5950 	DRM_DEBUG_KMS("topo num tiles %dx%d, location %dx%d\n",
5951 		      num_h_tile + 1, num_v_tile + 1, tile_h_loc, tile_v_loc);
5952 	DRM_DEBUG_KMS("vend %c%c%c\n", tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]);
5953 
5954 	tg = drm_mode_get_tile_group(connector->dev, tile->topology_id);
5955 	if (!tg)
5956 		tg = drm_mode_create_tile_group(connector->dev, tile->topology_id);
5957 	if (!tg)
5958 		return;
5959 
5960 	if (connector->tile_group != tg) {
5961 		/* if we haven't got a pointer,
5962 		   take the reference, drop ref to old tile group */
5963 		if (connector->tile_group)
5964 			drm_mode_put_tile_group(connector->dev, connector->tile_group);
5965 		connector->tile_group = tg;
5966 	} else {
5967 		/* if same tile group, then release the ref we just took. */
5968 		drm_mode_put_tile_group(connector->dev, tg);
5969 	}
5970 }
5971 
5972 void drm_update_tile_info(struct drm_connector *connector,
5973 			  const struct edid *edid)
5974 {
5975 	const struct displayid_block *block;
5976 	struct displayid_iter iter;
5977 
5978 	connector->has_tile = false;
5979 
5980 	displayid_iter_edid_begin(edid, &iter);
5981 	displayid_iter_for_each(block, &iter) {
5982 		if (block->tag == DATA_BLOCK_TILED_DISPLAY)
5983 			drm_parse_tiled_block(connector, block);
5984 	}
5985 	displayid_iter_end(&iter);
5986 
5987 	if (!connector->has_tile && connector->tile_group) {
5988 		drm_mode_put_tile_group(connector->dev, connector->tile_group);
5989 		connector->tile_group = NULL;
5990 	}
5991 }
5992