xref: /openbsd-src/sys/dev/pci/drm/drm_edid.c (revision c1a45aed656e7d5627c30c92421893a76f370ccb)
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 last_block;
1838 
1839 	/*
1840 	 * 0x7e in the EDID is the number of extension blocks. The EDID
1841 	 * is 1 (base block) + num_ext_blocks big. That means we can think
1842 	 * of 0x7e in the EDID of the _index_ of the last block in the
1843 	 * combined chunk of memory.
1844 	 */
1845 	last_block = edid[0x7e];
1846 
1847 	/* Calculate real checksum for the last edid extension block data */
1848 	if (last_block < num_blocks)
1849 		connector->real_edid_checksum =
1850 			drm_edid_block_checksum(edid + last_block * EDID_LENGTH);
1851 
1852 	if (connector->bad_edid_counter++ && !drm_debug_enabled(DRM_UT_KMS))
1853 		return;
1854 
1855 	drm_dbg_kms(connector->dev, "%s: EDID is invalid:\n", connector->name);
1856 	for (i = 0; i < num_blocks; i++) {
1857 		u8 *block = edid + i * EDID_LENGTH;
1858 		char prefix[20];
1859 
1860 		if (drm_edid_is_zero(block, EDID_LENGTH))
1861 			snprintf(prefix, sizeof(prefix), "\t[%02x] ZERO ", i);
1862 		else if (!drm_edid_block_valid(block, i, false, NULL))
1863 			snprintf(prefix, sizeof(prefix), "\t[%02x] BAD  ", i);
1864 		else
1865 			snprintf(prefix, sizeof(prefix), "\t[%02x] GOOD ", i);
1866 
1867 		print_hex_dump(KERN_DEBUG,
1868 			       prefix, DUMP_PREFIX_NONE, 16, 1,
1869 			       block, EDID_LENGTH, false);
1870 	}
1871 }
1872 
1873 /* Get override or firmware EDID */
1874 static struct edid *drm_get_override_edid(struct drm_connector *connector)
1875 {
1876 	struct edid *override = NULL;
1877 
1878 	if (connector->override_edid)
1879 		override = drm_edid_duplicate(connector->edid_blob_ptr->data);
1880 
1881 	if (!override)
1882 		override = drm_load_edid_firmware(connector);
1883 
1884 	return IS_ERR(override) ? NULL : override;
1885 }
1886 
1887 /**
1888  * drm_add_override_edid_modes - add modes from override/firmware EDID
1889  * @connector: connector we're probing
1890  *
1891  * Add modes from the override/firmware EDID, if available. Only to be used from
1892  * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe
1893  * failed during drm_get_edid() and caused the override/firmware EDID to be
1894  * skipped.
1895  *
1896  * Return: The number of modes added or 0 if we couldn't find any.
1897  */
1898 int drm_add_override_edid_modes(struct drm_connector *connector)
1899 {
1900 	struct edid *override;
1901 	int num_modes = 0;
1902 
1903 	override = drm_get_override_edid(connector);
1904 	if (override) {
1905 		drm_connector_update_edid_property(connector, override);
1906 		num_modes = drm_add_edid_modes(connector, override);
1907 		kfree(override);
1908 
1909 		DRM_DEBUG_KMS("[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n",
1910 			      connector->base.id, connector->name, num_modes);
1911 	}
1912 
1913 	return num_modes;
1914 }
1915 EXPORT_SYMBOL(drm_add_override_edid_modes);
1916 
1917 /**
1918  * drm_do_get_edid - get EDID data using a custom EDID block read function
1919  * @connector: connector we're probing
1920  * @get_edid_block: EDID block read function
1921  * @data: private data passed to the block read function
1922  *
1923  * When the I2C adapter connected to the DDC bus is hidden behind a device that
1924  * exposes a different interface to read EDID blocks this function can be used
1925  * to get EDID data using a custom block read function.
1926  *
1927  * As in the general case the DDC bus is accessible by the kernel at the I2C
1928  * level, drivers must make all reasonable efforts to expose it as an I2C
1929  * adapter and use drm_get_edid() instead of abusing this function.
1930  *
1931  * The EDID may be overridden using debugfs override_edid or firmware EDID
1932  * (drm_load_edid_firmware() and drm.edid_firmware parameter), in this priority
1933  * order. Having either of them bypasses actual EDID reads.
1934  *
1935  * Return: Pointer to valid EDID or NULL if we couldn't find any.
1936  */
1937 struct edid *drm_do_get_edid(struct drm_connector *connector,
1938 	int (*get_edid_block)(void *data, u8 *buf, unsigned int block,
1939 			      size_t len),
1940 	void *data)
1941 {
1942 	int i, j = 0, valid_extensions = 0;
1943 	u8 *edid, *new;
1944 	struct edid *override;
1945 
1946 	override = drm_get_override_edid(connector);
1947 	if (override)
1948 		return override;
1949 
1950 	if ((edid = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL)
1951 		return NULL;
1952 
1953 	/* base block fetch */
1954 	for (i = 0; i < 4; i++) {
1955 		if (get_edid_block(data, edid, 0, EDID_LENGTH))
1956 			goto out;
1957 		if (drm_edid_block_valid(edid, 0, false,
1958 					 &connector->edid_corrupt))
1959 			break;
1960 		if (i == 0 && drm_edid_is_zero(edid, EDID_LENGTH)) {
1961 			connector->null_edid_counter++;
1962 			goto carp;
1963 		}
1964 	}
1965 	if (i == 4)
1966 		goto carp;
1967 
1968 	/* if there's no extensions, we're done */
1969 	valid_extensions = edid[0x7e];
1970 	if (valid_extensions == 0)
1971 		return (struct edid *)edid;
1972 
1973 #ifdef __linux__
1974 	new = krealloc(edid, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL);
1975 	if (!new)
1976 		goto out;
1977 #else
1978 	new = kmalloc((valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL);
1979 	if (!new)
1980 		goto out;
1981 	memcpy(new, edid, EDID_LENGTH);
1982 	kfree(edid);
1983 #endif
1984 	edid = new;
1985 
1986 	for (j = 1; j <= edid[0x7e]; j++) {
1987 		u8 *block = edid + j * EDID_LENGTH;
1988 
1989 		for (i = 0; i < 4; i++) {
1990 			if (get_edid_block(data, block, j, EDID_LENGTH))
1991 				goto out;
1992 			if (drm_edid_block_valid(block, j, false, NULL))
1993 				break;
1994 		}
1995 
1996 		if (i == 4)
1997 			valid_extensions--;
1998 	}
1999 
2000 	if (valid_extensions != edid[0x7e]) {
2001 		u8 *base;
2002 
2003 		connector_bad_edid(connector, edid, edid[0x7e] + 1);
2004 
2005 		edid[EDID_LENGTH-1] += edid[0x7e] - valid_extensions;
2006 		edid[0x7e] = valid_extensions;
2007 
2008 		new = kmalloc_array(valid_extensions + 1, EDID_LENGTH,
2009 				    GFP_KERNEL);
2010 		if (!new)
2011 			goto out;
2012 
2013 		base = new;
2014 		for (i = 0; i <= edid[0x7e]; i++) {
2015 			u8 *block = edid + i * EDID_LENGTH;
2016 
2017 			if (!drm_edid_block_valid(block, i, false, NULL))
2018 				continue;
2019 
2020 			memcpy(base, block, EDID_LENGTH);
2021 			base += EDID_LENGTH;
2022 		}
2023 
2024 		kfree(edid);
2025 		edid = new;
2026 	}
2027 
2028 	return (struct edid *)edid;
2029 
2030 carp:
2031 	connector_bad_edid(connector, edid, 1);
2032 out:
2033 	kfree(edid);
2034 	return NULL;
2035 }
2036 EXPORT_SYMBOL_GPL(drm_do_get_edid);
2037 
2038 /**
2039  * drm_probe_ddc() - probe DDC presence
2040  * @adapter: I2C adapter to probe
2041  *
2042  * Return: True on success, false on failure.
2043  */
2044 bool
2045 drm_probe_ddc(struct i2c_adapter *adapter)
2046 {
2047 	unsigned char out;
2048 
2049 	return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
2050 }
2051 EXPORT_SYMBOL(drm_probe_ddc);
2052 
2053 /**
2054  * drm_get_edid - get EDID data, if available
2055  * @connector: connector we're probing
2056  * @adapter: I2C adapter to use for DDC
2057  *
2058  * Poke the given I2C channel to grab EDID data if possible.  If found,
2059  * attach it to the connector.
2060  *
2061  * Return: Pointer to valid EDID or NULL if we couldn't find any.
2062  */
2063 struct edid *drm_get_edid(struct drm_connector *connector,
2064 			  struct i2c_adapter *adapter)
2065 {
2066 	struct edid *edid;
2067 
2068 	if (connector->force == DRM_FORCE_OFF)
2069 		return NULL;
2070 
2071 	if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
2072 		return NULL;
2073 
2074 	edid = drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter);
2075 	drm_connector_update_edid_property(connector, edid);
2076 	return edid;
2077 }
2078 EXPORT_SYMBOL(drm_get_edid);
2079 
2080 /**
2081  * drm_get_edid_switcheroo - get EDID data for a vga_switcheroo output
2082  * @connector: connector we're probing
2083  * @adapter: I2C adapter to use for DDC
2084  *
2085  * Wrapper around drm_get_edid() for laptops with dual GPUs using one set of
2086  * outputs. The wrapper adds the requisite vga_switcheroo calls to temporarily
2087  * switch DDC to the GPU which is retrieving EDID.
2088  *
2089  * Return: Pointer to valid EDID or %NULL if we couldn't find any.
2090  */
2091 struct edid *drm_get_edid_switcheroo(struct drm_connector *connector,
2092 				     struct i2c_adapter *adapter)
2093 {
2094 	STUB();
2095 	return NULL;
2096 #ifdef notyet
2097 	struct drm_device *dev = connector->dev;
2098 	struct pci_dev *pdev = to_pci_dev(dev->dev);
2099 	struct edid *edid;
2100 
2101 	if (drm_WARN_ON_ONCE(dev, !dev_is_pci(dev->dev)))
2102 		return NULL;
2103 
2104 	vga_switcheroo_lock_ddc(pdev);
2105 	edid = drm_get_edid(connector, adapter);
2106 	vga_switcheroo_unlock_ddc(pdev);
2107 
2108 	return edid;
2109 #endif
2110 }
2111 EXPORT_SYMBOL(drm_get_edid_switcheroo);
2112 
2113 /**
2114  * drm_edid_duplicate - duplicate an EDID and the extensions
2115  * @edid: EDID to duplicate
2116  *
2117  * Return: Pointer to duplicated EDID or NULL on allocation failure.
2118  */
2119 struct edid *drm_edid_duplicate(const struct edid *edid)
2120 {
2121 	return kmemdup(edid, (edid->extensions + 1) * EDID_LENGTH, GFP_KERNEL);
2122 }
2123 EXPORT_SYMBOL(drm_edid_duplicate);
2124 
2125 /*** EDID parsing ***/
2126 
2127 /**
2128  * edid_vendor - match a string against EDID's obfuscated vendor field
2129  * @edid: EDID to match
2130  * @vendor: vendor string
2131  *
2132  * Returns true if @vendor is in @edid, false otherwise
2133  */
2134 static bool edid_vendor(const struct edid *edid, const char *vendor)
2135 {
2136 	char edid_vendor[3];
2137 
2138 	edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@';
2139 	edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) |
2140 			  ((edid->mfg_id[1] & 0xe0) >> 5)) + '@';
2141 	edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@';
2142 
2143 	return !strncmp(edid_vendor, vendor, 3);
2144 }
2145 
2146 /**
2147  * edid_get_quirks - return quirk flags for a given EDID
2148  * @edid: EDID to process
2149  *
2150  * This tells subsequent routines what fixes they need to apply.
2151  */
2152 static u32 edid_get_quirks(const struct edid *edid)
2153 {
2154 	const struct edid_quirk *quirk;
2155 	int i;
2156 
2157 	for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
2158 		quirk = &edid_quirk_list[i];
2159 
2160 		if (edid_vendor(edid, quirk->vendor) &&
2161 		    (EDID_PRODUCT_ID(edid) == quirk->product_id))
2162 			return quirk->quirks;
2163 	}
2164 
2165 	return 0;
2166 }
2167 
2168 #define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
2169 #define MODE_REFRESH_DIFF(c,t) (abs((c) - (t)))
2170 
2171 /**
2172  * edid_fixup_preferred - set preferred modes based on quirk list
2173  * @connector: has mode list to fix up
2174  * @quirks: quirks list
2175  *
2176  * Walk the mode list for @connector, clearing the preferred status
2177  * on existing modes and setting it anew for the right mode ala @quirks.
2178  */
2179 static void edid_fixup_preferred(struct drm_connector *connector,
2180 				 u32 quirks)
2181 {
2182 	struct drm_display_mode *t, *cur_mode, *preferred_mode;
2183 	int target_refresh = 0;
2184 	int cur_vrefresh, preferred_vrefresh;
2185 
2186 	if (list_empty(&connector->probed_modes))
2187 		return;
2188 
2189 	if (quirks & EDID_QUIRK_PREFER_LARGE_60)
2190 		target_refresh = 60;
2191 	if (quirks & EDID_QUIRK_PREFER_LARGE_75)
2192 		target_refresh = 75;
2193 
2194 	preferred_mode = list_first_entry(&connector->probed_modes,
2195 					  struct drm_display_mode, head);
2196 
2197 	list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) {
2198 		cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
2199 
2200 		if (cur_mode == preferred_mode)
2201 			continue;
2202 
2203 		/* Largest mode is preferred */
2204 		if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
2205 			preferred_mode = cur_mode;
2206 
2207 		cur_vrefresh = drm_mode_vrefresh(cur_mode);
2208 		preferred_vrefresh = drm_mode_vrefresh(preferred_mode);
2209 		/* At a given size, try to get closest to target refresh */
2210 		if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
2211 		    MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) <
2212 		    MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) {
2213 			preferred_mode = cur_mode;
2214 		}
2215 	}
2216 
2217 	preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
2218 }
2219 
2220 static bool
2221 mode_is_rb(const struct drm_display_mode *mode)
2222 {
2223 	return (mode->htotal - mode->hdisplay == 160) &&
2224 	       (mode->hsync_end - mode->hdisplay == 80) &&
2225 	       (mode->hsync_end - mode->hsync_start == 32) &&
2226 	       (mode->vsync_start - mode->vdisplay == 3);
2227 }
2228 
2229 /*
2230  * drm_mode_find_dmt - Create a copy of a mode if present in DMT
2231  * @dev: Device to duplicate against
2232  * @hsize: Mode width
2233  * @vsize: Mode height
2234  * @fresh: Mode refresh rate
2235  * @rb: Mode reduced-blanking-ness
2236  *
2237  * Walk the DMT mode list looking for a match for the given parameters.
2238  *
2239  * Return: A newly allocated copy of the mode, or NULL if not found.
2240  */
2241 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
2242 					   int hsize, int vsize, int fresh,
2243 					   bool rb)
2244 {
2245 	int i;
2246 
2247 	for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2248 		const struct drm_display_mode *ptr = &drm_dmt_modes[i];
2249 
2250 		if (hsize != ptr->hdisplay)
2251 			continue;
2252 		if (vsize != ptr->vdisplay)
2253 			continue;
2254 		if (fresh != drm_mode_vrefresh(ptr))
2255 			continue;
2256 		if (rb != mode_is_rb(ptr))
2257 			continue;
2258 
2259 		return drm_mode_duplicate(dev, ptr);
2260 	}
2261 
2262 	return NULL;
2263 }
2264 EXPORT_SYMBOL(drm_mode_find_dmt);
2265 
2266 static bool is_display_descriptor(const u8 d[18], u8 tag)
2267 {
2268 	return d[0] == 0x00 && d[1] == 0x00 &&
2269 		d[2] == 0x00 && d[3] == tag;
2270 }
2271 
2272 static bool is_detailed_timing_descriptor(const u8 d[18])
2273 {
2274 	return d[0] != 0x00 || d[1] != 0x00;
2275 }
2276 
2277 typedef void detailed_cb(struct detailed_timing *timing, void *closure);
2278 
2279 static void
2280 cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2281 {
2282 	int i, n;
2283 	u8 d = ext[0x02];
2284 	u8 *det_base = ext + d;
2285 
2286 	if (d < 4 || d > 127)
2287 		return;
2288 
2289 	n = (127 - d) / 18;
2290 	for (i = 0; i < n; i++)
2291 		cb((struct detailed_timing *)(det_base + 18 * i), closure);
2292 }
2293 
2294 static void
2295 vtb_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2296 {
2297 	unsigned int i, n = min((int)ext[0x02], 6);
2298 	u8 *det_base = ext + 5;
2299 
2300 	if (ext[0x01] != 1)
2301 		return; /* unknown version */
2302 
2303 	for (i = 0; i < n; i++)
2304 		cb((struct detailed_timing *)(det_base + 18 * i), closure);
2305 }
2306 
2307 static void
2308 drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure)
2309 {
2310 	int i;
2311 	struct edid *edid = (struct edid *)raw_edid;
2312 
2313 	if (edid == NULL)
2314 		return;
2315 
2316 	for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
2317 		cb(&(edid->detailed_timings[i]), closure);
2318 
2319 	for (i = 1; i <= raw_edid[0x7e]; i++) {
2320 		u8 *ext = raw_edid + (i * EDID_LENGTH);
2321 
2322 		switch (*ext) {
2323 		case CEA_EXT:
2324 			cea_for_each_detailed_block(ext, cb, closure);
2325 			break;
2326 		case VTB_EXT:
2327 			vtb_for_each_detailed_block(ext, cb, closure);
2328 			break;
2329 		default:
2330 			break;
2331 		}
2332 	}
2333 }
2334 
2335 static void
2336 is_rb(struct detailed_timing *t, void *data)
2337 {
2338 	u8 *r = (u8 *)t;
2339 
2340 	if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2341 		return;
2342 
2343 	if (r[15] & 0x10)
2344 		*(bool *)data = true;
2345 }
2346 
2347 /* EDID 1.4 defines this explicitly.  For EDID 1.3, we guess, badly. */
2348 static bool
2349 drm_monitor_supports_rb(struct edid *edid)
2350 {
2351 	if (edid->revision >= 4) {
2352 		bool ret = false;
2353 
2354 		drm_for_each_detailed_block((u8 *)edid, is_rb, &ret);
2355 		return ret;
2356 	}
2357 
2358 	return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
2359 }
2360 
2361 static void
2362 find_gtf2(struct detailed_timing *t, void *data)
2363 {
2364 	u8 *r = (u8 *)t;
2365 
2366 	if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2367 		return;
2368 
2369 	if (r[10] == 0x02)
2370 		*(u8 **)data = r;
2371 }
2372 
2373 /* Secondary GTF curve kicks in above some break frequency */
2374 static int
2375 drm_gtf2_hbreak(struct edid *edid)
2376 {
2377 	u8 *r = NULL;
2378 
2379 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2380 	return r ? (r[12] * 2) : 0;
2381 }
2382 
2383 static int
2384 drm_gtf2_2c(struct edid *edid)
2385 {
2386 	u8 *r = NULL;
2387 
2388 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2389 	return r ? r[13] : 0;
2390 }
2391 
2392 static int
2393 drm_gtf2_m(struct edid *edid)
2394 {
2395 	u8 *r = NULL;
2396 
2397 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2398 	return r ? (r[15] << 8) + r[14] : 0;
2399 }
2400 
2401 static int
2402 drm_gtf2_k(struct edid *edid)
2403 {
2404 	u8 *r = NULL;
2405 
2406 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2407 	return r ? r[16] : 0;
2408 }
2409 
2410 static int
2411 drm_gtf2_2j(struct edid *edid)
2412 {
2413 	u8 *r = NULL;
2414 
2415 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2416 	return r ? r[17] : 0;
2417 }
2418 
2419 /**
2420  * standard_timing_level - get std. timing level(CVT/GTF/DMT)
2421  * @edid: EDID block to scan
2422  */
2423 static int standard_timing_level(struct edid *edid)
2424 {
2425 	if (edid->revision >= 2) {
2426 		if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))
2427 			return LEVEL_CVT;
2428 		if (drm_gtf2_hbreak(edid))
2429 			return LEVEL_GTF2;
2430 		if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
2431 			return LEVEL_GTF;
2432 	}
2433 	return LEVEL_DMT;
2434 }
2435 
2436 /*
2437  * 0 is reserved.  The spec says 0x01 fill for unused timings.  Some old
2438  * monitors fill with ascii space (0x20) instead.
2439  */
2440 static int
2441 bad_std_timing(u8 a, u8 b)
2442 {
2443 	return (a == 0x00 && b == 0x00) ||
2444 	       (a == 0x01 && b == 0x01) ||
2445 	       (a == 0x20 && b == 0x20);
2446 }
2447 
2448 static int drm_mode_hsync(const struct drm_display_mode *mode)
2449 {
2450 	if (mode->htotal <= 0)
2451 		return 0;
2452 
2453 	return DIV_ROUND_CLOSEST(mode->clock, mode->htotal);
2454 }
2455 
2456 /**
2457  * drm_mode_std - convert standard mode info (width, height, refresh) into mode
2458  * @connector: connector of for the EDID block
2459  * @edid: EDID block to scan
2460  * @t: standard timing params
2461  *
2462  * Take the standard timing params (in this case width, aspect, and refresh)
2463  * and convert them into a real mode using CVT/GTF/DMT.
2464  */
2465 static struct drm_display_mode *
2466 drm_mode_std(struct drm_connector *connector, struct edid *edid,
2467 	     struct std_timing *t)
2468 {
2469 	struct drm_device *dev = connector->dev;
2470 	struct drm_display_mode *m, *mode = NULL;
2471 	int hsize, vsize;
2472 	int vrefresh_rate;
2473 	unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
2474 		>> EDID_TIMING_ASPECT_SHIFT;
2475 	unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
2476 		>> EDID_TIMING_VFREQ_SHIFT;
2477 	int timing_level = standard_timing_level(edid);
2478 
2479 	if (bad_std_timing(t->hsize, t->vfreq_aspect))
2480 		return NULL;
2481 
2482 	/* According to the EDID spec, the hdisplay = hsize * 8 + 248 */
2483 	hsize = t->hsize * 8 + 248;
2484 	/* vrefresh_rate = vfreq + 60 */
2485 	vrefresh_rate = vfreq + 60;
2486 	/* the vdisplay is calculated based on the aspect ratio */
2487 	if (aspect_ratio == 0) {
2488 		if (edid->revision < 3)
2489 			vsize = hsize;
2490 		else
2491 			vsize = (hsize * 10) / 16;
2492 	} else if (aspect_ratio == 1)
2493 		vsize = (hsize * 3) / 4;
2494 	else if (aspect_ratio == 2)
2495 		vsize = (hsize * 4) / 5;
2496 	else
2497 		vsize = (hsize * 9) / 16;
2498 
2499 	/* HDTV hack, part 1 */
2500 	if (vrefresh_rate == 60 &&
2501 	    ((hsize == 1360 && vsize == 765) ||
2502 	     (hsize == 1368 && vsize == 769))) {
2503 		hsize = 1366;
2504 		vsize = 768;
2505 	}
2506 
2507 	/*
2508 	 * If this connector already has a mode for this size and refresh
2509 	 * rate (because it came from detailed or CVT info), use that
2510 	 * instead.  This way we don't have to guess at interlace or
2511 	 * reduced blanking.
2512 	 */
2513 	list_for_each_entry(m, &connector->probed_modes, head)
2514 		if (m->hdisplay == hsize && m->vdisplay == vsize &&
2515 		    drm_mode_vrefresh(m) == vrefresh_rate)
2516 			return NULL;
2517 
2518 	/* HDTV hack, part 2 */
2519 	if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
2520 		mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
2521 				    false);
2522 		if (!mode)
2523 			return NULL;
2524 		mode->hdisplay = 1366;
2525 		mode->hsync_start = mode->hsync_start - 1;
2526 		mode->hsync_end = mode->hsync_end - 1;
2527 		return mode;
2528 	}
2529 
2530 	/* check whether it can be found in default mode table */
2531 	if (drm_monitor_supports_rb(edid)) {
2532 		mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate,
2533 					 true);
2534 		if (mode)
2535 			return mode;
2536 	}
2537 	mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, false);
2538 	if (mode)
2539 		return mode;
2540 
2541 	/* okay, generate it */
2542 	switch (timing_level) {
2543 	case LEVEL_DMT:
2544 		break;
2545 	case LEVEL_GTF:
2546 		mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2547 		break;
2548 	case LEVEL_GTF2:
2549 		/*
2550 		 * This is potentially wrong if there's ever a monitor with
2551 		 * more than one ranges section, each claiming a different
2552 		 * secondary GTF curve.  Please don't do that.
2553 		 */
2554 		mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2555 		if (!mode)
2556 			return NULL;
2557 		if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) {
2558 			drm_mode_destroy(dev, mode);
2559 			mode = drm_gtf_mode_complex(dev, hsize, vsize,
2560 						    vrefresh_rate, 0, 0,
2561 						    drm_gtf2_m(edid),
2562 						    drm_gtf2_2c(edid),
2563 						    drm_gtf2_k(edid),
2564 						    drm_gtf2_2j(edid));
2565 		}
2566 		break;
2567 	case LEVEL_CVT:
2568 		mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
2569 				    false);
2570 		break;
2571 	}
2572 	return mode;
2573 }
2574 
2575 /*
2576  * EDID is delightfully ambiguous about how interlaced modes are to be
2577  * encoded.  Our internal representation is of frame height, but some
2578  * HDTV detailed timings are encoded as field height.
2579  *
2580  * The format list here is from CEA, in frame size.  Technically we
2581  * should be checking refresh rate too.  Whatever.
2582  */
2583 static void
2584 drm_mode_do_interlace_quirk(struct drm_display_mode *mode,
2585 			    struct detailed_pixel_timing *pt)
2586 {
2587 	int i;
2588 	static const struct {
2589 		int w, h;
2590 	} cea_interlaced[] = {
2591 		{ 1920, 1080 },
2592 		{  720,  480 },
2593 		{ 1440,  480 },
2594 		{ 2880,  480 },
2595 		{  720,  576 },
2596 		{ 1440,  576 },
2597 		{ 2880,  576 },
2598 	};
2599 
2600 	if (!(pt->misc & DRM_EDID_PT_INTERLACED))
2601 		return;
2602 
2603 	for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) {
2604 		if ((mode->hdisplay == cea_interlaced[i].w) &&
2605 		    (mode->vdisplay == cea_interlaced[i].h / 2)) {
2606 			mode->vdisplay *= 2;
2607 			mode->vsync_start *= 2;
2608 			mode->vsync_end *= 2;
2609 			mode->vtotal *= 2;
2610 			mode->vtotal |= 1;
2611 		}
2612 	}
2613 
2614 	mode->flags |= DRM_MODE_FLAG_INTERLACE;
2615 }
2616 
2617 /**
2618  * drm_mode_detailed - create a new mode from an EDID detailed timing section
2619  * @dev: DRM device (needed to create new mode)
2620  * @edid: EDID block
2621  * @timing: EDID detailed timing info
2622  * @quirks: quirks to apply
2623  *
2624  * An EDID detailed timing block contains enough info for us to create and
2625  * return a new struct drm_display_mode.
2626  */
2627 static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
2628 						  struct edid *edid,
2629 						  struct detailed_timing *timing,
2630 						  u32 quirks)
2631 {
2632 	struct drm_display_mode *mode;
2633 	struct detailed_pixel_timing *pt = &timing->data.pixel_data;
2634 	unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo;
2635 	unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo;
2636 	unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo;
2637 	unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo;
2638 	unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo;
2639 	unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo;
2640 	unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4;
2641 	unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf);
2642 
2643 	/* ignore tiny modes */
2644 	if (hactive < 64 || vactive < 64)
2645 		return NULL;
2646 
2647 	if (pt->misc & DRM_EDID_PT_STEREO) {
2648 		DRM_DEBUG_KMS("stereo mode not supported\n");
2649 		return NULL;
2650 	}
2651 	if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) {
2652 		DRM_DEBUG_KMS("composite sync not supported\n");
2653 	}
2654 
2655 	/* it is incorrect if hsync/vsync width is zero */
2656 	if (!hsync_pulse_width || !vsync_pulse_width) {
2657 		DRM_DEBUG_KMS("Incorrect Detailed timing. "
2658 				"Wrong Hsync/Vsync pulse width\n");
2659 		return NULL;
2660 	}
2661 
2662 	if (quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) {
2663 		mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false);
2664 		if (!mode)
2665 			return NULL;
2666 
2667 		goto set_size;
2668 	}
2669 
2670 	mode = drm_mode_create(dev);
2671 	if (!mode)
2672 		return NULL;
2673 
2674 	if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
2675 		timing->pixel_clock = cpu_to_le16(1088);
2676 
2677 	mode->clock = le16_to_cpu(timing->pixel_clock) * 10;
2678 
2679 	mode->hdisplay = hactive;
2680 	mode->hsync_start = mode->hdisplay + hsync_offset;
2681 	mode->hsync_end = mode->hsync_start + hsync_pulse_width;
2682 	mode->htotal = mode->hdisplay + hblank;
2683 
2684 	mode->vdisplay = vactive;
2685 	mode->vsync_start = mode->vdisplay + vsync_offset;
2686 	mode->vsync_end = mode->vsync_start + vsync_pulse_width;
2687 	mode->vtotal = mode->vdisplay + vblank;
2688 
2689 	/* Some EDIDs have bogus h/vtotal values */
2690 	if (mode->hsync_end > mode->htotal)
2691 		mode->htotal = mode->hsync_end + 1;
2692 	if (mode->vsync_end > mode->vtotal)
2693 		mode->vtotal = mode->vsync_end + 1;
2694 
2695 	drm_mode_do_interlace_quirk(mode, pt);
2696 
2697 	if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
2698 		pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE;
2699 	}
2700 
2701 	mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
2702 		DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
2703 	mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?
2704 		DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
2705 
2706 set_size:
2707 	mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4;
2708 	mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8;
2709 
2710 	if (quirks & EDID_QUIRK_DETAILED_IN_CM) {
2711 		mode->width_mm *= 10;
2712 		mode->height_mm *= 10;
2713 	}
2714 
2715 	if (quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) {
2716 		mode->width_mm = edid->width_cm * 10;
2717 		mode->height_mm = edid->height_cm * 10;
2718 	}
2719 
2720 	mode->type = DRM_MODE_TYPE_DRIVER;
2721 	drm_mode_set_name(mode);
2722 
2723 	return mode;
2724 }
2725 
2726 static bool
2727 mode_in_hsync_range(const struct drm_display_mode *mode,
2728 		    struct edid *edid, u8 *t)
2729 {
2730 	int hsync, hmin, hmax;
2731 
2732 	hmin = t[7];
2733 	if (edid->revision >= 4)
2734 	    hmin += ((t[4] & 0x04) ? 255 : 0);
2735 	hmax = t[8];
2736 	if (edid->revision >= 4)
2737 	    hmax += ((t[4] & 0x08) ? 255 : 0);
2738 	hsync = drm_mode_hsync(mode);
2739 
2740 	return (hsync <= hmax && hsync >= hmin);
2741 }
2742 
2743 static bool
2744 mode_in_vsync_range(const struct drm_display_mode *mode,
2745 		    struct edid *edid, u8 *t)
2746 {
2747 	int vsync, vmin, vmax;
2748 
2749 	vmin = t[5];
2750 	if (edid->revision >= 4)
2751 	    vmin += ((t[4] & 0x01) ? 255 : 0);
2752 	vmax = t[6];
2753 	if (edid->revision >= 4)
2754 	    vmax += ((t[4] & 0x02) ? 255 : 0);
2755 	vsync = drm_mode_vrefresh(mode);
2756 
2757 	return (vsync <= vmax && vsync >= vmin);
2758 }
2759 
2760 static u32
2761 range_pixel_clock(struct edid *edid, u8 *t)
2762 {
2763 	/* unspecified */
2764 	if (t[9] == 0 || t[9] == 255)
2765 		return 0;
2766 
2767 	/* 1.4 with CVT support gives us real precision, yay */
2768 	if (edid->revision >= 4 && t[10] == 0x04)
2769 		return (t[9] * 10000) - ((t[12] >> 2) * 250);
2770 
2771 	/* 1.3 is pathetic, so fuzz up a bit */
2772 	return t[9] * 10000 + 5001;
2773 }
2774 
2775 static bool
2776 mode_in_range(const struct drm_display_mode *mode, struct edid *edid,
2777 	      struct detailed_timing *timing)
2778 {
2779 	u32 max_clock;
2780 	u8 *t = (u8 *)timing;
2781 
2782 	if (!mode_in_hsync_range(mode, edid, t))
2783 		return false;
2784 
2785 	if (!mode_in_vsync_range(mode, edid, t))
2786 		return false;
2787 
2788 	if ((max_clock = range_pixel_clock(edid, t)))
2789 		if (mode->clock > max_clock)
2790 			return false;
2791 
2792 	/* 1.4 max horizontal check */
2793 	if (edid->revision >= 4 && t[10] == 0x04)
2794 		if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
2795 			return false;
2796 
2797 	if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid))
2798 		return false;
2799 
2800 	return true;
2801 }
2802 
2803 static bool valid_inferred_mode(const struct drm_connector *connector,
2804 				const struct drm_display_mode *mode)
2805 {
2806 	const struct drm_display_mode *m;
2807 	bool ok = false;
2808 
2809 	list_for_each_entry(m, &connector->probed_modes, head) {
2810 		if (mode->hdisplay == m->hdisplay &&
2811 		    mode->vdisplay == m->vdisplay &&
2812 		    drm_mode_vrefresh(mode) == drm_mode_vrefresh(m))
2813 			return false; /* duplicated */
2814 		if (mode->hdisplay <= m->hdisplay &&
2815 		    mode->vdisplay <= m->vdisplay)
2816 			ok = true;
2817 	}
2818 	return ok;
2819 }
2820 
2821 static int
2822 drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2823 			struct detailed_timing *timing)
2824 {
2825 	int i, modes = 0;
2826 	struct drm_display_mode *newmode;
2827 	struct drm_device *dev = connector->dev;
2828 
2829 	for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2830 		if (mode_in_range(drm_dmt_modes + i, edid, timing) &&
2831 		    valid_inferred_mode(connector, drm_dmt_modes + i)) {
2832 			newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
2833 			if (newmode) {
2834 				drm_mode_probed_add(connector, newmode);
2835 				modes++;
2836 			}
2837 		}
2838 	}
2839 
2840 	return modes;
2841 }
2842 
2843 /* fix up 1366x768 mode from 1368x768;
2844  * GFT/CVT can't express 1366 width which isn't dividable by 8
2845  */
2846 void drm_mode_fixup_1366x768(struct drm_display_mode *mode)
2847 {
2848 	if (mode->hdisplay == 1368 && mode->vdisplay == 768) {
2849 		mode->hdisplay = 1366;
2850 		mode->hsync_start--;
2851 		mode->hsync_end--;
2852 		drm_mode_set_name(mode);
2853 	}
2854 }
2855 
2856 static int
2857 drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid,
2858 			struct detailed_timing *timing)
2859 {
2860 	int i, modes = 0;
2861 	struct drm_display_mode *newmode;
2862 	struct drm_device *dev = connector->dev;
2863 
2864 	for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2865 		const struct minimode *m = &extra_modes[i];
2866 
2867 		newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0);
2868 		if (!newmode)
2869 			return modes;
2870 
2871 		drm_mode_fixup_1366x768(newmode);
2872 		if (!mode_in_range(newmode, edid, timing) ||
2873 		    !valid_inferred_mode(connector, newmode)) {
2874 			drm_mode_destroy(dev, newmode);
2875 			continue;
2876 		}
2877 
2878 		drm_mode_probed_add(connector, newmode);
2879 		modes++;
2880 	}
2881 
2882 	return modes;
2883 }
2884 
2885 static int
2886 drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2887 			struct detailed_timing *timing)
2888 {
2889 	int i, modes = 0;
2890 	struct drm_display_mode *newmode;
2891 	struct drm_device *dev = connector->dev;
2892 	bool rb = drm_monitor_supports_rb(edid);
2893 
2894 	for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2895 		const struct minimode *m = &extra_modes[i];
2896 
2897 		newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0);
2898 		if (!newmode)
2899 			return modes;
2900 
2901 		drm_mode_fixup_1366x768(newmode);
2902 		if (!mode_in_range(newmode, edid, timing) ||
2903 		    !valid_inferred_mode(connector, newmode)) {
2904 			drm_mode_destroy(dev, newmode);
2905 			continue;
2906 		}
2907 
2908 		drm_mode_probed_add(connector, newmode);
2909 		modes++;
2910 	}
2911 
2912 	return modes;
2913 }
2914 
2915 static void
2916 do_inferred_modes(struct detailed_timing *timing, void *c)
2917 {
2918 	struct detailed_mode_closure *closure = c;
2919 	struct detailed_non_pixel *data = &timing->data.other_data;
2920 	struct detailed_data_monitor_range *range = &data->data.range;
2921 
2922 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
2923 		return;
2924 
2925 	closure->modes += drm_dmt_modes_for_range(closure->connector,
2926 						  closure->edid,
2927 						  timing);
2928 
2929 	if (!version_greater(closure->edid, 1, 1))
2930 		return; /* GTF not defined yet */
2931 
2932 	switch (range->flags) {
2933 	case 0x02: /* secondary gtf, XXX could do more */
2934 	case 0x00: /* default gtf */
2935 		closure->modes += drm_gtf_modes_for_range(closure->connector,
2936 							  closure->edid,
2937 							  timing);
2938 		break;
2939 	case 0x04: /* cvt, only in 1.4+ */
2940 		if (!version_greater(closure->edid, 1, 3))
2941 			break;
2942 
2943 		closure->modes += drm_cvt_modes_for_range(closure->connector,
2944 							  closure->edid,
2945 							  timing);
2946 		break;
2947 	case 0x01: /* just the ranges, no formula */
2948 	default:
2949 		break;
2950 	}
2951 }
2952 
2953 static int
2954 add_inferred_modes(struct drm_connector *connector, struct edid *edid)
2955 {
2956 	struct detailed_mode_closure closure = {
2957 		.connector = connector,
2958 		.edid = edid,
2959 	};
2960 
2961 	if (version_greater(edid, 1, 0))
2962 		drm_for_each_detailed_block((u8 *)edid, do_inferred_modes,
2963 					    &closure);
2964 
2965 	return closure.modes;
2966 }
2967 
2968 static int
2969 drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing)
2970 {
2971 	int i, j, m, modes = 0;
2972 	struct drm_display_mode *mode;
2973 	u8 *est = ((u8 *)timing) + 6;
2974 
2975 	for (i = 0; i < 6; i++) {
2976 		for (j = 7; j >= 0; j--) {
2977 			m = (i * 8) + (7 - j);
2978 			if (m >= ARRAY_SIZE(est3_modes))
2979 				break;
2980 			if (est[i] & (1 << j)) {
2981 				mode = drm_mode_find_dmt(connector->dev,
2982 							 est3_modes[m].w,
2983 							 est3_modes[m].h,
2984 							 est3_modes[m].r,
2985 							 est3_modes[m].rb);
2986 				if (mode) {
2987 					drm_mode_probed_add(connector, mode);
2988 					modes++;
2989 				}
2990 			}
2991 		}
2992 	}
2993 
2994 	return modes;
2995 }
2996 
2997 static void
2998 do_established_modes(struct detailed_timing *timing, void *c)
2999 {
3000 	struct detailed_mode_closure *closure = c;
3001 
3002 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_EST_TIMINGS))
3003 		return;
3004 
3005 	closure->modes += drm_est3_modes(closure->connector, timing);
3006 }
3007 
3008 /**
3009  * add_established_modes - get est. modes from EDID and add them
3010  * @connector: connector to add mode(s) to
3011  * @edid: EDID block to scan
3012  *
3013  * Each EDID block contains a bitmap of the supported "established modes" list
3014  * (defined above).  Tease them out and add them to the global modes list.
3015  */
3016 static int
3017 add_established_modes(struct drm_connector *connector, struct edid *edid)
3018 {
3019 	struct drm_device *dev = connector->dev;
3020 	unsigned long est_bits = edid->established_timings.t1 |
3021 		(edid->established_timings.t2 << 8) |
3022 		((edid->established_timings.mfg_rsvd & 0x80) << 9);
3023 	int i, modes = 0;
3024 	struct detailed_mode_closure closure = {
3025 		.connector = connector,
3026 		.edid = edid,
3027 	};
3028 
3029 	for (i = 0; i <= EDID_EST_TIMINGS; i++) {
3030 		if (est_bits & (1<<i)) {
3031 			struct drm_display_mode *newmode;
3032 
3033 			newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
3034 			if (newmode) {
3035 				drm_mode_probed_add(connector, newmode);
3036 				modes++;
3037 			}
3038 		}
3039 	}
3040 
3041 	if (version_greater(edid, 1, 0))
3042 		    drm_for_each_detailed_block((u8 *)edid,
3043 						do_established_modes, &closure);
3044 
3045 	return modes + closure.modes;
3046 }
3047 
3048 static void
3049 do_standard_modes(struct detailed_timing *timing, void *c)
3050 {
3051 	struct detailed_mode_closure *closure = c;
3052 	struct detailed_non_pixel *data = &timing->data.other_data;
3053 	struct drm_connector *connector = closure->connector;
3054 	struct edid *edid = closure->edid;
3055 	int i;
3056 
3057 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_STD_MODES))
3058 		return;
3059 
3060 	for (i = 0; i < 6; i++) {
3061 		struct std_timing *std = &data->data.timings[i];
3062 		struct drm_display_mode *newmode;
3063 
3064 		newmode = drm_mode_std(connector, edid, std);
3065 		if (newmode) {
3066 			drm_mode_probed_add(connector, newmode);
3067 			closure->modes++;
3068 		}
3069 	}
3070 }
3071 
3072 /**
3073  * add_standard_modes - get std. modes from EDID and add them
3074  * @connector: connector to add mode(s) to
3075  * @edid: EDID block to scan
3076  *
3077  * Standard modes can be calculated using the appropriate standard (DMT,
3078  * GTF or CVT. Grab them from @edid and add them to the list.
3079  */
3080 static int
3081 add_standard_modes(struct drm_connector *connector, struct edid *edid)
3082 {
3083 	int i, modes = 0;
3084 	struct detailed_mode_closure closure = {
3085 		.connector = connector,
3086 		.edid = edid,
3087 	};
3088 
3089 	for (i = 0; i < EDID_STD_TIMINGS; i++) {
3090 		struct drm_display_mode *newmode;
3091 
3092 		newmode = drm_mode_std(connector, edid,
3093 				       &edid->standard_timings[i]);
3094 		if (newmode) {
3095 			drm_mode_probed_add(connector, newmode);
3096 			modes++;
3097 		}
3098 	}
3099 
3100 	if (version_greater(edid, 1, 0))
3101 		drm_for_each_detailed_block((u8 *)edid, do_standard_modes,
3102 					    &closure);
3103 
3104 	/* XXX should also look for standard codes in VTB blocks */
3105 
3106 	return modes + closure.modes;
3107 }
3108 
3109 static int drm_cvt_modes(struct drm_connector *connector,
3110 			 struct detailed_timing *timing)
3111 {
3112 	int i, j, modes = 0;
3113 	struct drm_display_mode *newmode;
3114 	struct drm_device *dev = connector->dev;
3115 	struct cvt_timing *cvt;
3116 	const int rates[] = { 60, 85, 75, 60, 50 };
3117 	const u8 empty[3] = { 0, 0, 0 };
3118 
3119 	for (i = 0; i < 4; i++) {
3120 		int width, height;
3121 
3122 		cvt = &(timing->data.other_data.data.cvt[i]);
3123 
3124 		if (!memcmp(cvt->code, empty, 3))
3125 			continue;
3126 
3127 		height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;
3128 		switch (cvt->code[1] & 0x0c) {
3129 		/* default - because compiler doesn't see that we've enumerated all cases */
3130 		default:
3131 		case 0x00:
3132 			width = height * 4 / 3;
3133 			break;
3134 		case 0x04:
3135 			width = height * 16 / 9;
3136 			break;
3137 		case 0x08:
3138 			width = height * 16 / 10;
3139 			break;
3140 		case 0x0c:
3141 			width = height * 15 / 9;
3142 			break;
3143 		}
3144 
3145 		for (j = 1; j < 5; j++) {
3146 			if (cvt->code[2] & (1 << j)) {
3147 				newmode = drm_cvt_mode(dev, width, height,
3148 						       rates[j], j == 0,
3149 						       false, false);
3150 				if (newmode) {
3151 					drm_mode_probed_add(connector, newmode);
3152 					modes++;
3153 				}
3154 			}
3155 		}
3156 	}
3157 
3158 	return modes;
3159 }
3160 
3161 static void
3162 do_cvt_mode(struct detailed_timing *timing, void *c)
3163 {
3164 	struct detailed_mode_closure *closure = c;
3165 
3166 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_CVT_3BYTE))
3167 		return;
3168 
3169 	closure->modes += drm_cvt_modes(closure->connector, timing);
3170 }
3171 
3172 static int
3173 add_cvt_modes(struct drm_connector *connector, struct edid *edid)
3174 {
3175 	struct detailed_mode_closure closure = {
3176 		.connector = connector,
3177 		.edid = edid,
3178 	};
3179 
3180 	if (version_greater(edid, 1, 2))
3181 		drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure);
3182 
3183 	/* XXX should also look for CVT codes in VTB blocks */
3184 
3185 	return closure.modes;
3186 }
3187 
3188 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode);
3189 
3190 static void
3191 do_detailed_mode(struct detailed_timing *timing, void *c)
3192 {
3193 	struct detailed_mode_closure *closure = c;
3194 	struct drm_display_mode *newmode;
3195 
3196 	if (!is_detailed_timing_descriptor((const u8 *)timing))
3197 		return;
3198 
3199 	newmode = drm_mode_detailed(closure->connector->dev,
3200 				    closure->edid, timing,
3201 				    closure->quirks);
3202 	if (!newmode)
3203 		return;
3204 
3205 	if (closure->preferred)
3206 		newmode->type |= DRM_MODE_TYPE_PREFERRED;
3207 
3208 	/*
3209 	 * Detailed modes are limited to 10kHz pixel clock resolution,
3210 	 * so fix up anything that looks like CEA/HDMI mode, but the clock
3211 	 * is just slightly off.
3212 	 */
3213 	fixup_detailed_cea_mode_clock(newmode);
3214 
3215 	drm_mode_probed_add(closure->connector, newmode);
3216 	closure->modes++;
3217 	closure->preferred = false;
3218 }
3219 
3220 /*
3221  * add_detailed_modes - Add modes from detailed timings
3222  * @connector: attached connector
3223  * @edid: EDID block to scan
3224  * @quirks: quirks to apply
3225  */
3226 static int
3227 add_detailed_modes(struct drm_connector *connector, struct edid *edid,
3228 		   u32 quirks)
3229 {
3230 	struct detailed_mode_closure closure = {
3231 		.connector = connector,
3232 		.edid = edid,
3233 		.preferred = true,
3234 		.quirks = quirks,
3235 	};
3236 
3237 	if (closure.preferred && !version_greater(edid, 1, 3))
3238 		closure.preferred =
3239 		    (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
3240 
3241 	drm_for_each_detailed_block((u8 *)edid, do_detailed_mode, &closure);
3242 
3243 	return closure.modes;
3244 }
3245 
3246 #define AUDIO_BLOCK	0x01
3247 #define VIDEO_BLOCK     0x02
3248 #define VENDOR_BLOCK    0x03
3249 #define SPEAKER_BLOCK	0x04
3250 #define HDR_STATIC_METADATA_BLOCK	0x6
3251 #define USE_EXTENDED_TAG 0x07
3252 #define EXT_VIDEO_CAPABILITY_BLOCK 0x00
3253 #define EXT_VIDEO_DATA_BLOCK_420	0x0E
3254 #define EXT_VIDEO_CAP_BLOCK_Y420CMDB 0x0F
3255 #define EDID_BASIC_AUDIO	(1 << 6)
3256 #define EDID_CEA_YCRCB444	(1 << 5)
3257 #define EDID_CEA_YCRCB422	(1 << 4)
3258 #define EDID_CEA_VCDB_QS	(1 << 6)
3259 
3260 /*
3261  * Search EDID for CEA extension block.
3262  */
3263 const u8 *drm_find_edid_extension(const struct edid *edid,
3264 				  int ext_id, int *ext_index)
3265 {
3266 	const u8 *edid_ext = NULL;
3267 	int i;
3268 
3269 	/* No EDID or EDID extensions */
3270 	if (edid == NULL || edid->extensions == 0)
3271 		return NULL;
3272 
3273 	/* Find CEA extension */
3274 	for (i = *ext_index; i < edid->extensions; i++) {
3275 		edid_ext = (const u8 *)edid + EDID_LENGTH * (i + 1);
3276 		if (edid_ext[0] == ext_id)
3277 			break;
3278 	}
3279 
3280 	if (i >= edid->extensions)
3281 		return NULL;
3282 
3283 	*ext_index = i + 1;
3284 
3285 	return edid_ext;
3286 }
3287 
3288 static const u8 *drm_find_cea_extension(const struct edid *edid)
3289 {
3290 	const struct displayid_block *block;
3291 	struct displayid_iter iter;
3292 	const u8 *cea;
3293 	int ext_index = 0;
3294 
3295 	/* Look for a top level CEA extension block */
3296 	/* FIXME: make callers iterate through multiple CEA ext blocks? */
3297 	cea = drm_find_edid_extension(edid, CEA_EXT, &ext_index);
3298 	if (cea)
3299 		return cea;
3300 
3301 	/* CEA blocks can also be found embedded in a DisplayID block */
3302 	displayid_iter_edid_begin(edid, &iter);
3303 	displayid_iter_for_each(block, &iter) {
3304 		if (block->tag == DATA_BLOCK_CTA) {
3305 			cea = (const u8 *)block;
3306 			break;
3307 		}
3308 	}
3309 	displayid_iter_end(&iter);
3310 
3311 	return cea;
3312 }
3313 
3314 static __always_inline const struct drm_display_mode *cea_mode_for_vic(u8 vic)
3315 {
3316 	BUILD_BUG_ON(1 + ARRAY_SIZE(edid_cea_modes_1) - 1 != 127);
3317 	BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 219);
3318 
3319 	if (vic >= 1 && vic < 1 + ARRAY_SIZE(edid_cea_modes_1))
3320 		return &edid_cea_modes_1[vic - 1];
3321 	if (vic >= 193 && vic < 193 + ARRAY_SIZE(edid_cea_modes_193))
3322 		return &edid_cea_modes_193[vic - 193];
3323 	return NULL;
3324 }
3325 
3326 static u8 cea_num_vics(void)
3327 {
3328 	return 193 + ARRAY_SIZE(edid_cea_modes_193);
3329 }
3330 
3331 static u8 cea_next_vic(u8 vic)
3332 {
3333 	if (++vic == 1 + ARRAY_SIZE(edid_cea_modes_1))
3334 		vic = 193;
3335 	return vic;
3336 }
3337 
3338 /*
3339  * Calculate the alternate clock for the CEA mode
3340  * (60Hz vs. 59.94Hz etc.)
3341  */
3342 static unsigned int
3343 cea_mode_alternate_clock(const struct drm_display_mode *cea_mode)
3344 {
3345 	unsigned int clock = cea_mode->clock;
3346 
3347 	if (drm_mode_vrefresh(cea_mode) % 6 != 0)
3348 		return clock;
3349 
3350 	/*
3351 	 * edid_cea_modes contains the 59.94Hz
3352 	 * variant for 240 and 480 line modes,
3353 	 * and the 60Hz variant otherwise.
3354 	 */
3355 	if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480)
3356 		clock = DIV_ROUND_CLOSEST(clock * 1001, 1000);
3357 	else
3358 		clock = DIV_ROUND_CLOSEST(clock * 1000, 1001);
3359 
3360 	return clock;
3361 }
3362 
3363 static bool
3364 cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode)
3365 {
3366 	/*
3367 	 * For certain VICs the spec allows the vertical
3368 	 * front porch to vary by one or two lines.
3369 	 *
3370 	 * cea_modes[] stores the variant with the shortest
3371 	 * vertical front porch. We can adjust the mode to
3372 	 * get the other variants by simply increasing the
3373 	 * vertical front porch length.
3374 	 */
3375 #ifdef notyet
3376 	BUILD_BUG_ON(cea_mode_for_vic(8)->vtotal != 262 ||
3377 		     cea_mode_for_vic(9)->vtotal != 262 ||
3378 		     cea_mode_for_vic(12)->vtotal != 262 ||
3379 		     cea_mode_for_vic(13)->vtotal != 262 ||
3380 		     cea_mode_for_vic(23)->vtotal != 312 ||
3381 		     cea_mode_for_vic(24)->vtotal != 312 ||
3382 		     cea_mode_for_vic(27)->vtotal != 312 ||
3383 		     cea_mode_for_vic(28)->vtotal != 312);
3384 #endif
3385 
3386 	if (((vic == 8 || vic == 9 ||
3387 	      vic == 12 || vic == 13) && mode->vtotal < 263) ||
3388 	    ((vic == 23 || vic == 24 ||
3389 	      vic == 27 || vic == 28) && mode->vtotal < 314)) {
3390 		mode->vsync_start++;
3391 		mode->vsync_end++;
3392 		mode->vtotal++;
3393 
3394 		return true;
3395 	}
3396 
3397 	return false;
3398 }
3399 
3400 static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match,
3401 					     unsigned int clock_tolerance)
3402 {
3403 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3404 	u8 vic;
3405 
3406 	if (!to_match->clock)
3407 		return 0;
3408 
3409 	if (to_match->picture_aspect_ratio)
3410 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3411 
3412 	for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3413 		struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3414 		unsigned int clock1, clock2;
3415 
3416 		/* Check both 60Hz and 59.94Hz */
3417 		clock1 = cea_mode.clock;
3418 		clock2 = cea_mode_alternate_clock(&cea_mode);
3419 
3420 		if (abs(to_match->clock - clock1) > clock_tolerance &&
3421 		    abs(to_match->clock - clock2) > clock_tolerance)
3422 			continue;
3423 
3424 		do {
3425 			if (drm_mode_match(to_match, &cea_mode, match_flags))
3426 				return vic;
3427 		} while (cea_mode_alternate_timings(vic, &cea_mode));
3428 	}
3429 
3430 	return 0;
3431 }
3432 
3433 /**
3434  * drm_match_cea_mode - look for a CEA mode matching given mode
3435  * @to_match: display mode
3436  *
3437  * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
3438  * mode.
3439  */
3440 u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
3441 {
3442 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3443 	u8 vic;
3444 
3445 	if (!to_match->clock)
3446 		return 0;
3447 
3448 	if (to_match->picture_aspect_ratio)
3449 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3450 
3451 	for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3452 		struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3453 		unsigned int clock1, clock2;
3454 
3455 		/* Check both 60Hz and 59.94Hz */
3456 		clock1 = cea_mode.clock;
3457 		clock2 = cea_mode_alternate_clock(&cea_mode);
3458 
3459 		if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) &&
3460 		    KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2))
3461 			continue;
3462 
3463 		do {
3464 			if (drm_mode_match(to_match, &cea_mode, match_flags))
3465 				return vic;
3466 		} while (cea_mode_alternate_timings(vic, &cea_mode));
3467 	}
3468 
3469 	return 0;
3470 }
3471 EXPORT_SYMBOL(drm_match_cea_mode);
3472 
3473 static bool drm_valid_cea_vic(u8 vic)
3474 {
3475 	return cea_mode_for_vic(vic) != NULL;
3476 }
3477 
3478 static enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code)
3479 {
3480 	const struct drm_display_mode *mode = cea_mode_for_vic(video_code);
3481 
3482 	if (mode)
3483 		return mode->picture_aspect_ratio;
3484 
3485 	return HDMI_PICTURE_ASPECT_NONE;
3486 }
3487 
3488 static enum hdmi_picture_aspect drm_get_hdmi_aspect_ratio(const u8 video_code)
3489 {
3490 	return edid_4k_modes[video_code].picture_aspect_ratio;
3491 }
3492 
3493 /*
3494  * Calculate the alternate clock for HDMI modes (those from the HDMI vendor
3495  * specific block).
3496  */
3497 static unsigned int
3498 hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode)
3499 {
3500 	return cea_mode_alternate_clock(hdmi_mode);
3501 }
3502 
3503 static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match,
3504 					      unsigned int clock_tolerance)
3505 {
3506 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3507 	u8 vic;
3508 
3509 	if (!to_match->clock)
3510 		return 0;
3511 
3512 	if (to_match->picture_aspect_ratio)
3513 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3514 
3515 	for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3516 		const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3517 		unsigned int clock1, clock2;
3518 
3519 		/* Make sure to also match alternate clocks */
3520 		clock1 = hdmi_mode->clock;
3521 		clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3522 
3523 		if (abs(to_match->clock - clock1) > clock_tolerance &&
3524 		    abs(to_match->clock - clock2) > clock_tolerance)
3525 			continue;
3526 
3527 		if (drm_mode_match(to_match, hdmi_mode, match_flags))
3528 			return vic;
3529 	}
3530 
3531 	return 0;
3532 }
3533 
3534 /*
3535  * drm_match_hdmi_mode - look for a HDMI mode matching given mode
3536  * @to_match: display mode
3537  *
3538  * An HDMI mode is one defined in the HDMI vendor specific block.
3539  *
3540  * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one.
3541  */
3542 static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match)
3543 {
3544 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3545 	u8 vic;
3546 
3547 	if (!to_match->clock)
3548 		return 0;
3549 
3550 	if (to_match->picture_aspect_ratio)
3551 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3552 
3553 	for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3554 		const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3555 		unsigned int clock1, clock2;
3556 
3557 		/* Make sure to also match alternate clocks */
3558 		clock1 = hdmi_mode->clock;
3559 		clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3560 
3561 		if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||
3562 		     KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&
3563 		    drm_mode_match(to_match, hdmi_mode, match_flags))
3564 			return vic;
3565 	}
3566 	return 0;
3567 }
3568 
3569 static bool drm_valid_hdmi_vic(u8 vic)
3570 {
3571 	return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes);
3572 }
3573 
3574 static int
3575 add_alternate_cea_modes(struct drm_connector *connector, struct edid *edid)
3576 {
3577 	struct drm_device *dev = connector->dev;
3578 	struct drm_display_mode *mode, *tmp;
3579 	DRM_LIST_HEAD(list);
3580 	int modes = 0;
3581 
3582 	/* Don't add CEA modes if the CEA extension block is missing */
3583 	if (!drm_find_cea_extension(edid))
3584 		return 0;
3585 
3586 	/*
3587 	 * Go through all probed modes and create a new mode
3588 	 * with the alternate clock for certain CEA modes.
3589 	 */
3590 	list_for_each_entry(mode, &connector->probed_modes, head) {
3591 		const struct drm_display_mode *cea_mode = NULL;
3592 		struct drm_display_mode *newmode;
3593 		u8 vic = drm_match_cea_mode(mode);
3594 		unsigned int clock1, clock2;
3595 
3596 		if (drm_valid_cea_vic(vic)) {
3597 			cea_mode = cea_mode_for_vic(vic);
3598 			clock2 = cea_mode_alternate_clock(cea_mode);
3599 		} else {
3600 			vic = drm_match_hdmi_mode(mode);
3601 			if (drm_valid_hdmi_vic(vic)) {
3602 				cea_mode = &edid_4k_modes[vic];
3603 				clock2 = hdmi_mode_alternate_clock(cea_mode);
3604 			}
3605 		}
3606 
3607 		if (!cea_mode)
3608 			continue;
3609 
3610 		clock1 = cea_mode->clock;
3611 
3612 		if (clock1 == clock2)
3613 			continue;
3614 
3615 		if (mode->clock != clock1 && mode->clock != clock2)
3616 			continue;
3617 
3618 		newmode = drm_mode_duplicate(dev, cea_mode);
3619 		if (!newmode)
3620 			continue;
3621 
3622 		/* Carry over the stereo flags */
3623 		newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK;
3624 
3625 		/*
3626 		 * The current mode could be either variant. Make
3627 		 * sure to pick the "other" clock for the new mode.
3628 		 */
3629 		if (mode->clock != clock1)
3630 			newmode->clock = clock1;
3631 		else
3632 			newmode->clock = clock2;
3633 
3634 		list_add_tail(&newmode->head, &list);
3635 	}
3636 
3637 	list_for_each_entry_safe(mode, tmp, &list, head) {
3638 		list_del(&mode->head);
3639 		drm_mode_probed_add(connector, mode);
3640 		modes++;
3641 	}
3642 
3643 	return modes;
3644 }
3645 
3646 static u8 svd_to_vic(u8 svd)
3647 {
3648 	/* 0-6 bit vic, 7th bit native mode indicator */
3649 	if ((svd >= 1 &&  svd <= 64) || (svd >= 129 && svd <= 192))
3650 		return svd & 127;
3651 
3652 	return svd;
3653 }
3654 
3655 static struct drm_display_mode *
3656 drm_display_mode_from_vic_index(struct drm_connector *connector,
3657 				const u8 *video_db, u8 video_len,
3658 				u8 video_index)
3659 {
3660 	struct drm_device *dev = connector->dev;
3661 	struct drm_display_mode *newmode;
3662 	u8 vic;
3663 
3664 	if (video_db == NULL || video_index >= video_len)
3665 		return NULL;
3666 
3667 	/* CEA modes are numbered 1..127 */
3668 	vic = svd_to_vic(video_db[video_index]);
3669 	if (!drm_valid_cea_vic(vic))
3670 		return NULL;
3671 
3672 	newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3673 	if (!newmode)
3674 		return NULL;
3675 
3676 	return newmode;
3677 }
3678 
3679 /*
3680  * do_y420vdb_modes - Parse YCBCR 420 only modes
3681  * @connector: connector corresponding to the HDMI sink
3682  * @svds: start of the data block of CEA YCBCR 420 VDB
3683  * @len: length of the CEA YCBCR 420 VDB
3684  *
3685  * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB)
3686  * which contains modes which can be supported in YCBCR 420
3687  * output format only.
3688  */
3689 static int do_y420vdb_modes(struct drm_connector *connector,
3690 			    const u8 *svds, u8 svds_len)
3691 {
3692 	int modes = 0, i;
3693 	struct drm_device *dev = connector->dev;
3694 	struct drm_display_info *info = &connector->display_info;
3695 	struct drm_hdmi_info *hdmi = &info->hdmi;
3696 
3697 	for (i = 0; i < svds_len; i++) {
3698 		u8 vic = svd_to_vic(svds[i]);
3699 		struct drm_display_mode *newmode;
3700 
3701 		if (!drm_valid_cea_vic(vic))
3702 			continue;
3703 
3704 		newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3705 		if (!newmode)
3706 			break;
3707 		bitmap_set(hdmi->y420_vdb_modes, vic, 1);
3708 		drm_mode_probed_add(connector, newmode);
3709 		modes++;
3710 	}
3711 
3712 	if (modes > 0)
3713 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
3714 	return modes;
3715 }
3716 
3717 /*
3718  * drm_add_cmdb_modes - Add a YCBCR 420 mode into bitmap
3719  * @connector: connector corresponding to the HDMI sink
3720  * @vic: CEA vic for the video mode to be added in the map
3721  *
3722  * Makes an entry for a videomode in the YCBCR 420 bitmap
3723  */
3724 static void
3725 drm_add_cmdb_modes(struct drm_connector *connector, u8 svd)
3726 {
3727 	u8 vic = svd_to_vic(svd);
3728 	struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3729 
3730 	if (!drm_valid_cea_vic(vic))
3731 		return;
3732 
3733 	bitmap_set(hdmi->y420_cmdb_modes, vic, 1);
3734 }
3735 
3736 /**
3737  * drm_display_mode_from_cea_vic() - return a mode for CEA VIC
3738  * @dev: DRM device
3739  * @video_code: CEA VIC of the mode
3740  *
3741  * Creates a new mode matching the specified CEA VIC.
3742  *
3743  * Returns: A new drm_display_mode on success or NULL on failure
3744  */
3745 struct drm_display_mode *
3746 drm_display_mode_from_cea_vic(struct drm_device *dev,
3747 			      u8 video_code)
3748 {
3749 	const struct drm_display_mode *cea_mode;
3750 	struct drm_display_mode *newmode;
3751 
3752 	cea_mode = cea_mode_for_vic(video_code);
3753 	if (!cea_mode)
3754 		return NULL;
3755 
3756 	newmode = drm_mode_duplicate(dev, cea_mode);
3757 	if (!newmode)
3758 		return NULL;
3759 
3760 	return newmode;
3761 }
3762 EXPORT_SYMBOL(drm_display_mode_from_cea_vic);
3763 
3764 static int
3765 do_cea_modes(struct drm_connector *connector, const u8 *db, u8 len)
3766 {
3767 	int i, modes = 0;
3768 	struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3769 
3770 	for (i = 0; i < len; i++) {
3771 		struct drm_display_mode *mode;
3772 
3773 		mode = drm_display_mode_from_vic_index(connector, db, len, i);
3774 		if (mode) {
3775 			/*
3776 			 * YCBCR420 capability block contains a bitmap which
3777 			 * gives the index of CEA modes from CEA VDB, which
3778 			 * can support YCBCR 420 sampling output also (apart
3779 			 * from RGB/YCBCR444 etc).
3780 			 * For example, if the bit 0 in bitmap is set,
3781 			 * first mode in VDB can support YCBCR420 output too.
3782 			 * Add YCBCR420 modes only if sink is HDMI 2.0 capable.
3783 			 */
3784 			if (i < 64 && hdmi->y420_cmdb_map & (1ULL << i))
3785 				drm_add_cmdb_modes(connector, db[i]);
3786 
3787 			drm_mode_probed_add(connector, mode);
3788 			modes++;
3789 		}
3790 	}
3791 
3792 	return modes;
3793 }
3794 
3795 struct stereo_mandatory_mode {
3796 	int width, height, vrefresh;
3797 	unsigned int flags;
3798 };
3799 
3800 static const struct stereo_mandatory_mode stereo_mandatory_modes[] = {
3801 	{ 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3802 	{ 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING },
3803 	{ 1920, 1080, 50,
3804 	  DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3805 	{ 1920, 1080, 60,
3806 	  DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3807 	{ 1280, 720,  50, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3808 	{ 1280, 720,  50, DRM_MODE_FLAG_3D_FRAME_PACKING },
3809 	{ 1280, 720,  60, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3810 	{ 1280, 720,  60, DRM_MODE_FLAG_3D_FRAME_PACKING }
3811 };
3812 
3813 static bool
3814 stereo_match_mandatory(const struct drm_display_mode *mode,
3815 		       const struct stereo_mandatory_mode *stereo_mode)
3816 {
3817 	unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;
3818 
3819 	return mode->hdisplay == stereo_mode->width &&
3820 	       mode->vdisplay == stereo_mode->height &&
3821 	       interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) &&
3822 	       drm_mode_vrefresh(mode) == stereo_mode->vrefresh;
3823 }
3824 
3825 static int add_hdmi_mandatory_stereo_modes(struct drm_connector *connector)
3826 {
3827 	struct drm_device *dev = connector->dev;
3828 	const struct drm_display_mode *mode;
3829 	struct list_head stereo_modes;
3830 	int modes = 0, i;
3831 
3832 	INIT_LIST_HEAD(&stereo_modes);
3833 
3834 	list_for_each_entry(mode, &connector->probed_modes, head) {
3835 		for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) {
3836 			const struct stereo_mandatory_mode *mandatory;
3837 			struct drm_display_mode *new_mode;
3838 
3839 			if (!stereo_match_mandatory(mode,
3840 						    &stereo_mandatory_modes[i]))
3841 				continue;
3842 
3843 			mandatory = &stereo_mandatory_modes[i];
3844 			new_mode = drm_mode_duplicate(dev, mode);
3845 			if (!new_mode)
3846 				continue;
3847 
3848 			new_mode->flags |= mandatory->flags;
3849 			list_add_tail(&new_mode->head, &stereo_modes);
3850 			modes++;
3851 		}
3852 	}
3853 
3854 	list_splice_tail(&stereo_modes, &connector->probed_modes);
3855 
3856 	return modes;
3857 }
3858 
3859 static int add_hdmi_mode(struct drm_connector *connector, u8 vic)
3860 {
3861 	struct drm_device *dev = connector->dev;
3862 	struct drm_display_mode *newmode;
3863 
3864 	if (!drm_valid_hdmi_vic(vic)) {
3865 		DRM_ERROR("Unknown HDMI VIC: %d\n", vic);
3866 		return 0;
3867 	}
3868 
3869 	newmode = drm_mode_duplicate(dev, &edid_4k_modes[vic]);
3870 	if (!newmode)
3871 		return 0;
3872 
3873 	drm_mode_probed_add(connector, newmode);
3874 
3875 	return 1;
3876 }
3877 
3878 static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
3879 			       const u8 *video_db, u8 video_len, u8 video_index)
3880 {
3881 	struct drm_display_mode *newmode;
3882 	int modes = 0;
3883 
3884 	if (structure & (1 << 0)) {
3885 		newmode = drm_display_mode_from_vic_index(connector, video_db,
3886 							  video_len,
3887 							  video_index);
3888 		if (newmode) {
3889 			newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING;
3890 			drm_mode_probed_add(connector, newmode);
3891 			modes++;
3892 		}
3893 	}
3894 	if (structure & (1 << 6)) {
3895 		newmode = drm_display_mode_from_vic_index(connector, video_db,
3896 							  video_len,
3897 							  video_index);
3898 		if (newmode) {
3899 			newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
3900 			drm_mode_probed_add(connector, newmode);
3901 			modes++;
3902 		}
3903 	}
3904 	if (structure & (1 << 8)) {
3905 		newmode = drm_display_mode_from_vic_index(connector, video_db,
3906 							  video_len,
3907 							  video_index);
3908 		if (newmode) {
3909 			newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3910 			drm_mode_probed_add(connector, newmode);
3911 			modes++;
3912 		}
3913 	}
3914 
3915 	return modes;
3916 }
3917 
3918 /*
3919  * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block
3920  * @connector: connector corresponding to the HDMI sink
3921  * @db: start of the CEA vendor specific block
3922  * @len: length of the CEA block payload, ie. one can access up to db[len]
3923  *
3924  * Parses the HDMI VSDB looking for modes to add to @connector. This function
3925  * also adds the stereo 3d modes when applicable.
3926  */
3927 static int
3928 do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len,
3929 		   const u8 *video_db, u8 video_len)
3930 {
3931 	struct drm_display_info *info = &connector->display_info;
3932 	int modes = 0, offset = 0, i, multi_present = 0, multi_len;
3933 	u8 vic_len, hdmi_3d_len = 0;
3934 	u16 mask;
3935 	u16 structure_all;
3936 
3937 	if (len < 8)
3938 		goto out;
3939 
3940 	/* no HDMI_Video_Present */
3941 	if (!(db[8] & (1 << 5)))
3942 		goto out;
3943 
3944 	/* Latency_Fields_Present */
3945 	if (db[8] & (1 << 7))
3946 		offset += 2;
3947 
3948 	/* I_Latency_Fields_Present */
3949 	if (db[8] & (1 << 6))
3950 		offset += 2;
3951 
3952 	/* the declared length is not long enough for the 2 first bytes
3953 	 * of additional video format capabilities */
3954 	if (len < (8 + offset + 2))
3955 		goto out;
3956 
3957 	/* 3D_Present */
3958 	offset++;
3959 	if (db[8 + offset] & (1 << 7)) {
3960 		modes += add_hdmi_mandatory_stereo_modes(connector);
3961 
3962 		/* 3D_Multi_present */
3963 		multi_present = (db[8 + offset] & 0x60) >> 5;
3964 	}
3965 
3966 	offset++;
3967 	vic_len = db[8 + offset] >> 5;
3968 	hdmi_3d_len = db[8 + offset] & 0x1f;
3969 
3970 	for (i = 0; i < vic_len && len >= (9 + offset + i); i++) {
3971 		u8 vic;
3972 
3973 		vic = db[9 + offset + i];
3974 		modes += add_hdmi_mode(connector, vic);
3975 	}
3976 	offset += 1 + vic_len;
3977 
3978 	if (multi_present == 1)
3979 		multi_len = 2;
3980 	else if (multi_present == 2)
3981 		multi_len = 4;
3982 	else
3983 		multi_len = 0;
3984 
3985 	if (len < (8 + offset + hdmi_3d_len - 1))
3986 		goto out;
3987 
3988 	if (hdmi_3d_len < multi_len)
3989 		goto out;
3990 
3991 	if (multi_present == 1 || multi_present == 2) {
3992 		/* 3D_Structure_ALL */
3993 		structure_all = (db[8 + offset] << 8) | db[9 + offset];
3994 
3995 		/* check if 3D_MASK is present */
3996 		if (multi_present == 2)
3997 			mask = (db[10 + offset] << 8) | db[11 + offset];
3998 		else
3999 			mask = 0xffff;
4000 
4001 		for (i = 0; i < 16; i++) {
4002 			if (mask & (1 << i))
4003 				modes += add_3d_struct_modes(connector,
4004 						structure_all,
4005 						video_db,
4006 						video_len, i);
4007 		}
4008 	}
4009 
4010 	offset += multi_len;
4011 
4012 	for (i = 0; i < (hdmi_3d_len - multi_len); i++) {
4013 		int vic_index;
4014 		struct drm_display_mode *newmode = NULL;
4015 		unsigned int newflag = 0;
4016 		bool detail_present;
4017 
4018 		detail_present = ((db[8 + offset + i] & 0x0f) > 7);
4019 
4020 		if (detail_present && (i + 1 == hdmi_3d_len - multi_len))
4021 			break;
4022 
4023 		/* 2D_VIC_order_X */
4024 		vic_index = db[8 + offset + i] >> 4;
4025 
4026 		/* 3D_Structure_X */
4027 		switch (db[8 + offset + i] & 0x0f) {
4028 		case 0:
4029 			newflag = DRM_MODE_FLAG_3D_FRAME_PACKING;
4030 			break;
4031 		case 6:
4032 			newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
4033 			break;
4034 		case 8:
4035 			/* 3D_Detail_X */
4036 			if ((db[9 + offset + i] >> 4) == 1)
4037 				newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
4038 			break;
4039 		}
4040 
4041 		if (newflag != 0) {
4042 			newmode = drm_display_mode_from_vic_index(connector,
4043 								  video_db,
4044 								  video_len,
4045 								  vic_index);
4046 
4047 			if (newmode) {
4048 				newmode->flags |= newflag;
4049 				drm_mode_probed_add(connector, newmode);
4050 				modes++;
4051 			}
4052 		}
4053 
4054 		if (detail_present)
4055 			i++;
4056 	}
4057 
4058 out:
4059 	if (modes > 0)
4060 		info->has_hdmi_infoframe = true;
4061 	return modes;
4062 }
4063 
4064 static int
4065 cea_db_payload_len(const u8 *db)
4066 {
4067 	return db[0] & 0x1f;
4068 }
4069 
4070 static int
4071 cea_db_extended_tag(const u8 *db)
4072 {
4073 	return db[1];
4074 }
4075 
4076 static int
4077 cea_db_tag(const u8 *db)
4078 {
4079 	return db[0] >> 5;
4080 }
4081 
4082 static int
4083 cea_revision(const u8 *cea)
4084 {
4085 	/*
4086 	 * FIXME is this correct for the DispID variant?
4087 	 * The DispID spec doesn't really specify whether
4088 	 * this is the revision of the CEA extension or
4089 	 * the DispID CEA data block. And the only value
4090 	 * given as an example is 0.
4091 	 */
4092 	return cea[1];
4093 }
4094 
4095 static int
4096 cea_db_offsets(const u8 *cea, int *start, int *end)
4097 {
4098 	/* DisplayID CTA extension blocks and top-level CEA EDID
4099 	 * block header definitions differ in the following bytes:
4100 	 *   1) Byte 2 of the header specifies length differently,
4101 	 *   2) Byte 3 is only present in the CEA top level block.
4102 	 *
4103 	 * The different definitions for byte 2 follow.
4104 	 *
4105 	 * DisplayID CTA extension block defines byte 2 as:
4106 	 *   Number of payload bytes
4107 	 *
4108 	 * CEA EDID block defines byte 2 as:
4109 	 *   Byte number (decimal) within this block where the 18-byte
4110 	 *   DTDs begin. If no non-DTD data is present in this extension
4111 	 *   block, the value should be set to 04h (the byte after next).
4112 	 *   If set to 00h, there are no DTDs present in this block and
4113 	 *   no non-DTD data.
4114 	 */
4115 	if (cea[0] == DATA_BLOCK_CTA) {
4116 		/*
4117 		 * for_each_displayid_db() has already verified
4118 		 * that these stay within expected bounds.
4119 		 */
4120 		*start = 3;
4121 		*end = *start + cea[2];
4122 	} else if (cea[0] == CEA_EXT) {
4123 		/* Data block offset in CEA extension block */
4124 		*start = 4;
4125 		*end = cea[2];
4126 		if (*end == 0)
4127 			*end = 127;
4128 		if (*end < 4 || *end > 127)
4129 			return -ERANGE;
4130 	} else {
4131 		return -EOPNOTSUPP;
4132 	}
4133 
4134 	return 0;
4135 }
4136 
4137 static bool cea_db_is_hdmi_vsdb(const u8 *db)
4138 {
4139 	int hdmi_id;
4140 
4141 	if (cea_db_tag(db) != VENDOR_BLOCK)
4142 		return false;
4143 
4144 	if (cea_db_payload_len(db) < 5)
4145 		return false;
4146 
4147 	hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16);
4148 
4149 	return hdmi_id == HDMI_IEEE_OUI;
4150 }
4151 
4152 static bool cea_db_is_hdmi_forum_vsdb(const u8 *db)
4153 {
4154 	unsigned int oui;
4155 
4156 	if (cea_db_tag(db) != VENDOR_BLOCK)
4157 		return false;
4158 
4159 	if (cea_db_payload_len(db) < 7)
4160 		return false;
4161 
4162 	oui = db[3] << 16 | db[2] << 8 | db[1];
4163 
4164 	return oui == HDMI_FORUM_IEEE_OUI;
4165 }
4166 
4167 static bool cea_db_is_vcdb(const u8 *db)
4168 {
4169 	if (cea_db_tag(db) != USE_EXTENDED_TAG)
4170 		return false;
4171 
4172 	if (cea_db_payload_len(db) != 2)
4173 		return false;
4174 
4175 	if (cea_db_extended_tag(db) != EXT_VIDEO_CAPABILITY_BLOCK)
4176 		return false;
4177 
4178 	return true;
4179 }
4180 
4181 static bool cea_db_is_y420cmdb(const u8 *db)
4182 {
4183 	if (cea_db_tag(db) != USE_EXTENDED_TAG)
4184 		return false;
4185 
4186 	if (!cea_db_payload_len(db))
4187 		return false;
4188 
4189 	if (cea_db_extended_tag(db) != EXT_VIDEO_CAP_BLOCK_Y420CMDB)
4190 		return false;
4191 
4192 	return true;
4193 }
4194 
4195 static bool cea_db_is_y420vdb(const u8 *db)
4196 {
4197 	if (cea_db_tag(db) != USE_EXTENDED_TAG)
4198 		return false;
4199 
4200 	if (!cea_db_payload_len(db))
4201 		return false;
4202 
4203 	if (cea_db_extended_tag(db) != EXT_VIDEO_DATA_BLOCK_420)
4204 		return false;
4205 
4206 	return true;
4207 }
4208 
4209 #define for_each_cea_db(cea, i, start, end) \
4210 	for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1)
4211 
4212 static void drm_parse_y420cmdb_bitmap(struct drm_connector *connector,
4213 				      const u8 *db)
4214 {
4215 	struct drm_display_info *info = &connector->display_info;
4216 	struct drm_hdmi_info *hdmi = &info->hdmi;
4217 	u8 map_len = cea_db_payload_len(db) - 1;
4218 	u8 count;
4219 	u64 map = 0;
4220 
4221 	if (map_len == 0) {
4222 		/* All CEA modes support ycbcr420 sampling also.*/
4223 		hdmi->y420_cmdb_map = U64_MAX;
4224 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4225 		return;
4226 	}
4227 
4228 	/*
4229 	 * This map indicates which of the existing CEA block modes
4230 	 * from VDB can support YCBCR420 output too. So if bit=0 is
4231 	 * set, first mode from VDB can support YCBCR420 output too.
4232 	 * We will parse and keep this map, before parsing VDB itself
4233 	 * to avoid going through the same block again and again.
4234 	 *
4235 	 * Spec is not clear about max possible size of this block.
4236 	 * Clamping max bitmap block size at 8 bytes. Every byte can
4237 	 * address 8 CEA modes, in this way this map can address
4238 	 * 8*8 = first 64 SVDs.
4239 	 */
4240 	if (WARN_ON_ONCE(map_len > 8))
4241 		map_len = 8;
4242 
4243 	for (count = 0; count < map_len; count++)
4244 		map |= (u64)db[2 + count] << (8 * count);
4245 
4246 	if (map)
4247 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4248 
4249 	hdmi->y420_cmdb_map = map;
4250 }
4251 
4252 static int
4253 add_cea_modes(struct drm_connector *connector, struct edid *edid)
4254 {
4255 	const u8 *cea = drm_find_cea_extension(edid);
4256 	const u8 *db, *hdmi = NULL, *video = NULL;
4257 	u8 dbl, hdmi_len, video_len = 0;
4258 	int modes = 0;
4259 
4260 	if (cea && cea_revision(cea) >= 3) {
4261 		int i, start, end;
4262 
4263 		if (cea_db_offsets(cea, &start, &end))
4264 			return 0;
4265 
4266 		for_each_cea_db(cea, i, start, end) {
4267 			db = &cea[i];
4268 			dbl = cea_db_payload_len(db);
4269 
4270 			if (cea_db_tag(db) == VIDEO_BLOCK) {
4271 				video = db + 1;
4272 				video_len = dbl;
4273 				modes += do_cea_modes(connector, video, dbl);
4274 			} else if (cea_db_is_hdmi_vsdb(db)) {
4275 				hdmi = db;
4276 				hdmi_len = dbl;
4277 			} else if (cea_db_is_y420vdb(db)) {
4278 				const u8 *vdb420 = &db[2];
4279 
4280 				/* Add 4:2:0(only) modes present in EDID */
4281 				modes += do_y420vdb_modes(connector,
4282 							  vdb420,
4283 							  dbl - 1);
4284 			}
4285 		}
4286 	}
4287 
4288 	/*
4289 	 * We parse the HDMI VSDB after having added the cea modes as we will
4290 	 * be patching their flags when the sink supports stereo 3D.
4291 	 */
4292 	if (hdmi)
4293 		modes += do_hdmi_vsdb_modes(connector, hdmi, hdmi_len, video,
4294 					    video_len);
4295 
4296 	return modes;
4297 }
4298 
4299 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode)
4300 {
4301 	const struct drm_display_mode *cea_mode;
4302 	int clock1, clock2, clock;
4303 	u8 vic;
4304 	const char *type;
4305 
4306 	/*
4307 	 * allow 5kHz clock difference either way to account for
4308 	 * the 10kHz clock resolution limit of detailed timings.
4309 	 */
4310 	vic = drm_match_cea_mode_clock_tolerance(mode, 5);
4311 	if (drm_valid_cea_vic(vic)) {
4312 		type = "CEA";
4313 		cea_mode = cea_mode_for_vic(vic);
4314 		clock1 = cea_mode->clock;
4315 		clock2 = cea_mode_alternate_clock(cea_mode);
4316 	} else {
4317 		vic = drm_match_hdmi_mode_clock_tolerance(mode, 5);
4318 		if (drm_valid_hdmi_vic(vic)) {
4319 			type = "HDMI";
4320 			cea_mode = &edid_4k_modes[vic];
4321 			clock1 = cea_mode->clock;
4322 			clock2 = hdmi_mode_alternate_clock(cea_mode);
4323 		} else {
4324 			return;
4325 		}
4326 	}
4327 
4328 	/* pick whichever is closest */
4329 	if (abs(mode->clock - clock1) < abs(mode->clock - clock2))
4330 		clock = clock1;
4331 	else
4332 		clock = clock2;
4333 
4334 	if (mode->clock == clock)
4335 		return;
4336 
4337 	DRM_DEBUG("detailed mode matches %s VIC %d, adjusting clock %d -> %d\n",
4338 		  type, vic, mode->clock, clock);
4339 	mode->clock = clock;
4340 }
4341 
4342 static bool cea_db_is_hdmi_hdr_metadata_block(const u8 *db)
4343 {
4344 	if (cea_db_tag(db) != USE_EXTENDED_TAG)
4345 		return false;
4346 
4347 	if (db[1] != HDR_STATIC_METADATA_BLOCK)
4348 		return false;
4349 
4350 	if (cea_db_payload_len(db) < 3)
4351 		return false;
4352 
4353 	return true;
4354 }
4355 
4356 static uint8_t eotf_supported(const u8 *edid_ext)
4357 {
4358 	return edid_ext[2] &
4359 		(BIT(HDMI_EOTF_TRADITIONAL_GAMMA_SDR) |
4360 		 BIT(HDMI_EOTF_TRADITIONAL_GAMMA_HDR) |
4361 		 BIT(HDMI_EOTF_SMPTE_ST2084) |
4362 		 BIT(HDMI_EOTF_BT_2100_HLG));
4363 }
4364 
4365 static uint8_t hdr_metadata_type(const u8 *edid_ext)
4366 {
4367 	return edid_ext[3] &
4368 		BIT(HDMI_STATIC_METADATA_TYPE1);
4369 }
4370 
4371 static void
4372 drm_parse_hdr_metadata_block(struct drm_connector *connector, const u8 *db)
4373 {
4374 	u16 len;
4375 
4376 	len = cea_db_payload_len(db);
4377 
4378 	connector->hdr_sink_metadata.hdmi_type1.eotf =
4379 						eotf_supported(db);
4380 	connector->hdr_sink_metadata.hdmi_type1.metadata_type =
4381 						hdr_metadata_type(db);
4382 
4383 	if (len >= 4)
4384 		connector->hdr_sink_metadata.hdmi_type1.max_cll = db[4];
4385 	if (len >= 5)
4386 		connector->hdr_sink_metadata.hdmi_type1.max_fall = db[5];
4387 	if (len >= 6)
4388 		connector->hdr_sink_metadata.hdmi_type1.min_cll = db[6];
4389 }
4390 
4391 static void
4392 drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db)
4393 {
4394 	u8 len = cea_db_payload_len(db);
4395 
4396 	if (len >= 6 && (db[6] & (1 << 7)))
4397 		connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI;
4398 	if (len >= 8) {
4399 		connector->latency_present[0] = db[8] >> 7;
4400 		connector->latency_present[1] = (db[8] >> 6) & 1;
4401 	}
4402 	if (len >= 9)
4403 		connector->video_latency[0] = db[9];
4404 	if (len >= 10)
4405 		connector->audio_latency[0] = db[10];
4406 	if (len >= 11)
4407 		connector->video_latency[1] = db[11];
4408 	if (len >= 12)
4409 		connector->audio_latency[1] = db[12];
4410 
4411 	DRM_DEBUG_KMS("HDMI: latency present %d %d, "
4412 		      "video latency %d %d, "
4413 		      "audio latency %d %d\n",
4414 		      connector->latency_present[0],
4415 		      connector->latency_present[1],
4416 		      connector->video_latency[0],
4417 		      connector->video_latency[1],
4418 		      connector->audio_latency[0],
4419 		      connector->audio_latency[1]);
4420 }
4421 
4422 static void
4423 monitor_name(struct detailed_timing *t, void *data)
4424 {
4425 	if (!is_display_descriptor((const u8 *)t, EDID_DETAIL_MONITOR_NAME))
4426 		return;
4427 
4428 	*(u8 **)data = t->data.other_data.data.str.str;
4429 }
4430 
4431 static int get_monitor_name(struct edid *edid, char name[13])
4432 {
4433 	char *edid_name = NULL;
4434 	int mnl;
4435 
4436 	if (!edid || !name)
4437 		return 0;
4438 
4439 	drm_for_each_detailed_block((u8 *)edid, monitor_name, &edid_name);
4440 	for (mnl = 0; edid_name && mnl < 13; mnl++) {
4441 		if (edid_name[mnl] == 0x0a)
4442 			break;
4443 
4444 		name[mnl] = edid_name[mnl];
4445 	}
4446 
4447 	return mnl;
4448 }
4449 
4450 /**
4451  * drm_edid_get_monitor_name - fetch the monitor name from the edid
4452  * @edid: monitor EDID information
4453  * @name: pointer to a character array to hold the name of the monitor
4454  * @bufsize: The size of the name buffer (should be at least 14 chars.)
4455  *
4456  */
4457 void drm_edid_get_monitor_name(struct edid *edid, char *name, int bufsize)
4458 {
4459 	int name_length;
4460 	char buf[13];
4461 
4462 	if (bufsize <= 0)
4463 		return;
4464 
4465 	name_length = min(get_monitor_name(edid, buf), bufsize - 1);
4466 	memcpy(name, buf, name_length);
4467 	name[name_length] = '\0';
4468 }
4469 EXPORT_SYMBOL(drm_edid_get_monitor_name);
4470 
4471 static void clear_eld(struct drm_connector *connector)
4472 {
4473 	memset(connector->eld, 0, sizeof(connector->eld));
4474 
4475 	connector->latency_present[0] = false;
4476 	connector->latency_present[1] = false;
4477 	connector->video_latency[0] = 0;
4478 	connector->audio_latency[0] = 0;
4479 	connector->video_latency[1] = 0;
4480 	connector->audio_latency[1] = 0;
4481 }
4482 
4483 /*
4484  * drm_edid_to_eld - build ELD from EDID
4485  * @connector: connector corresponding to the HDMI/DP sink
4486  * @edid: EDID to parse
4487  *
4488  * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
4489  * HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
4490  */
4491 static void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
4492 {
4493 	uint8_t *eld = connector->eld;
4494 	const u8 *cea;
4495 	const u8 *db;
4496 	int total_sad_count = 0;
4497 	int mnl;
4498 	int dbl;
4499 
4500 	clear_eld(connector);
4501 
4502 	if (!edid)
4503 		return;
4504 
4505 	cea = drm_find_cea_extension(edid);
4506 	if (!cea) {
4507 		DRM_DEBUG_KMS("ELD: no CEA Extension found\n");
4508 		return;
4509 	}
4510 
4511 	mnl = get_monitor_name(edid, &eld[DRM_ELD_MONITOR_NAME_STRING]);
4512 	DRM_DEBUG_KMS("ELD monitor %s\n", &eld[DRM_ELD_MONITOR_NAME_STRING]);
4513 
4514 	eld[DRM_ELD_CEA_EDID_VER_MNL] = cea[1] << DRM_ELD_CEA_EDID_VER_SHIFT;
4515 	eld[DRM_ELD_CEA_EDID_VER_MNL] |= mnl;
4516 
4517 	eld[DRM_ELD_VER] = DRM_ELD_VER_CEA861D;
4518 
4519 	eld[DRM_ELD_MANUFACTURER_NAME0] = edid->mfg_id[0];
4520 	eld[DRM_ELD_MANUFACTURER_NAME1] = edid->mfg_id[1];
4521 	eld[DRM_ELD_PRODUCT_CODE0] = edid->prod_code[0];
4522 	eld[DRM_ELD_PRODUCT_CODE1] = edid->prod_code[1];
4523 
4524 	if (cea_revision(cea) >= 3) {
4525 		int i, start, end;
4526 		int sad_count;
4527 
4528 		if (cea_db_offsets(cea, &start, &end)) {
4529 			start = 0;
4530 			end = 0;
4531 		}
4532 
4533 		for_each_cea_db(cea, i, start, end) {
4534 			db = &cea[i];
4535 			dbl = cea_db_payload_len(db);
4536 
4537 			switch (cea_db_tag(db)) {
4538 			case AUDIO_BLOCK:
4539 				/* Audio Data Block, contains SADs */
4540 				sad_count = min(dbl / 3, 15 - total_sad_count);
4541 				if (sad_count >= 1)
4542 					memcpy(&eld[DRM_ELD_CEA_SAD(mnl, total_sad_count)],
4543 					       &db[1], sad_count * 3);
4544 				total_sad_count += sad_count;
4545 				break;
4546 			case SPEAKER_BLOCK:
4547 				/* Speaker Allocation Data Block */
4548 				if (dbl >= 1)
4549 					eld[DRM_ELD_SPEAKER] = db[1];
4550 				break;
4551 			case VENDOR_BLOCK:
4552 				/* HDMI Vendor-Specific Data Block */
4553 				if (cea_db_is_hdmi_vsdb(db))
4554 					drm_parse_hdmi_vsdb_audio(connector, db);
4555 				break;
4556 			default:
4557 				break;
4558 			}
4559 		}
4560 	}
4561 	eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= total_sad_count << DRM_ELD_SAD_COUNT_SHIFT;
4562 
4563 	if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
4564 	    connector->connector_type == DRM_MODE_CONNECTOR_eDP)
4565 		eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_DP;
4566 	else
4567 		eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_HDMI;
4568 
4569 	eld[DRM_ELD_BASELINE_ELD_LEN] =
4570 		DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4);
4571 
4572 	DRM_DEBUG_KMS("ELD size %d, SAD count %d\n",
4573 		      drm_eld_size(eld), total_sad_count);
4574 }
4575 
4576 /**
4577  * drm_edid_to_sad - extracts SADs from EDID
4578  * @edid: EDID to parse
4579  * @sads: pointer that will be set to the extracted SADs
4580  *
4581  * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it.
4582  *
4583  * Note: The returned pointer needs to be freed using kfree().
4584  *
4585  * Return: The number of found SADs or negative number on error.
4586  */
4587 int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads)
4588 {
4589 	int count = 0;
4590 	int i, start, end, dbl;
4591 	const u8 *cea;
4592 
4593 	cea = drm_find_cea_extension(edid);
4594 	if (!cea) {
4595 		DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4596 		return 0;
4597 	}
4598 
4599 	if (cea_revision(cea) < 3) {
4600 		DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4601 		return 0;
4602 	}
4603 
4604 	if (cea_db_offsets(cea, &start, &end)) {
4605 		DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4606 		return -EPROTO;
4607 	}
4608 
4609 	for_each_cea_db(cea, i, start, end) {
4610 		const u8 *db = &cea[i];
4611 
4612 		if (cea_db_tag(db) == AUDIO_BLOCK) {
4613 			int j;
4614 
4615 			dbl = cea_db_payload_len(db);
4616 
4617 			count = dbl / 3; /* SAD is 3B */
4618 			*sads = kcalloc(count, sizeof(**sads), GFP_KERNEL);
4619 			if (!*sads)
4620 				return -ENOMEM;
4621 			for (j = 0; j < count; j++) {
4622 				const u8 *sad = &db[1 + j * 3];
4623 
4624 				(*sads)[j].format = (sad[0] & 0x78) >> 3;
4625 				(*sads)[j].channels = sad[0] & 0x7;
4626 				(*sads)[j].freq = sad[1] & 0x7F;
4627 				(*sads)[j].byte2 = sad[2];
4628 			}
4629 			break;
4630 		}
4631 	}
4632 
4633 	return count;
4634 }
4635 EXPORT_SYMBOL(drm_edid_to_sad);
4636 
4637 /**
4638  * drm_edid_to_speaker_allocation - extracts Speaker Allocation Data Blocks from EDID
4639  * @edid: EDID to parse
4640  * @sadb: pointer to the speaker block
4641  *
4642  * Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it.
4643  *
4644  * Note: The returned pointer needs to be freed using kfree().
4645  *
4646  * Return: The number of found Speaker Allocation Blocks or negative number on
4647  * error.
4648  */
4649 int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb)
4650 {
4651 	int count = 0;
4652 	int i, start, end, dbl;
4653 	const u8 *cea;
4654 
4655 	cea = drm_find_cea_extension(edid);
4656 	if (!cea) {
4657 		DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4658 		return 0;
4659 	}
4660 
4661 	if (cea_revision(cea) < 3) {
4662 		DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4663 		return 0;
4664 	}
4665 
4666 	if (cea_db_offsets(cea, &start, &end)) {
4667 		DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4668 		return -EPROTO;
4669 	}
4670 
4671 	for_each_cea_db(cea, i, start, end) {
4672 		const u8 *db = &cea[i];
4673 
4674 		if (cea_db_tag(db) == SPEAKER_BLOCK) {
4675 			dbl = cea_db_payload_len(db);
4676 
4677 			/* Speaker Allocation Data Block */
4678 			if (dbl == 3) {
4679 				*sadb = kmemdup(&db[1], dbl, GFP_KERNEL);
4680 				if (!*sadb)
4681 					return -ENOMEM;
4682 				count = dbl;
4683 				break;
4684 			}
4685 		}
4686 	}
4687 
4688 	return count;
4689 }
4690 EXPORT_SYMBOL(drm_edid_to_speaker_allocation);
4691 
4692 /**
4693  * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay
4694  * @connector: connector associated with the HDMI/DP sink
4695  * @mode: the display mode
4696  *
4697  * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if
4698  * the sink doesn't support audio or video.
4699  */
4700 int drm_av_sync_delay(struct drm_connector *connector,
4701 		      const struct drm_display_mode *mode)
4702 {
4703 	int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
4704 	int a, v;
4705 
4706 	if (!connector->latency_present[0])
4707 		return 0;
4708 	if (!connector->latency_present[1])
4709 		i = 0;
4710 
4711 	a = connector->audio_latency[i];
4712 	v = connector->video_latency[i];
4713 
4714 	/*
4715 	 * HDMI/DP sink doesn't support audio or video?
4716 	 */
4717 	if (a == 255 || v == 255)
4718 		return 0;
4719 
4720 	/*
4721 	 * Convert raw EDID values to millisecond.
4722 	 * Treat unknown latency as 0ms.
4723 	 */
4724 	if (a)
4725 		a = min(2 * (a - 1), 500);
4726 	if (v)
4727 		v = min(2 * (v - 1), 500);
4728 
4729 	return max(v - a, 0);
4730 }
4731 EXPORT_SYMBOL(drm_av_sync_delay);
4732 
4733 /**
4734  * drm_detect_hdmi_monitor - detect whether monitor is HDMI
4735  * @edid: monitor EDID information
4736  *
4737  * Parse the CEA extension according to CEA-861-B.
4738  *
4739  * Drivers that have added the modes parsed from EDID to drm_display_info
4740  * should use &drm_display_info.is_hdmi instead of calling this function.
4741  *
4742  * Return: True if the monitor is HDMI, false if not or unknown.
4743  */
4744 bool drm_detect_hdmi_monitor(struct edid *edid)
4745 {
4746 	const u8 *edid_ext;
4747 	int i;
4748 	int start_offset, end_offset;
4749 
4750 	edid_ext = drm_find_cea_extension(edid);
4751 	if (!edid_ext)
4752 		return false;
4753 
4754 	if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4755 		return false;
4756 
4757 	/*
4758 	 * Because HDMI identifier is in Vendor Specific Block,
4759 	 * search it from all data blocks of CEA extension.
4760 	 */
4761 	for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4762 		if (cea_db_is_hdmi_vsdb(&edid_ext[i]))
4763 			return true;
4764 	}
4765 
4766 	return false;
4767 }
4768 EXPORT_SYMBOL(drm_detect_hdmi_monitor);
4769 
4770 /**
4771  * drm_detect_monitor_audio - check monitor audio capability
4772  * @edid: EDID block to scan
4773  *
4774  * Monitor should have CEA extension block.
4775  * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic
4776  * audio' only. If there is any audio extension block and supported
4777  * audio format, assume at least 'basic audio' support, even if 'basic
4778  * audio' is not defined in EDID.
4779  *
4780  * Return: True if the monitor supports audio, false otherwise.
4781  */
4782 bool drm_detect_monitor_audio(struct edid *edid)
4783 {
4784 	const u8 *edid_ext;
4785 	int i, j;
4786 	bool has_audio = false;
4787 	int start_offset, end_offset;
4788 
4789 	edid_ext = drm_find_cea_extension(edid);
4790 	if (!edid_ext)
4791 		goto end;
4792 
4793 	has_audio = (edid_ext[0] == CEA_EXT &&
4794 		    (edid_ext[3] & EDID_BASIC_AUDIO) != 0);
4795 
4796 	if (has_audio) {
4797 		DRM_DEBUG_KMS("Monitor has basic audio support\n");
4798 		goto end;
4799 	}
4800 
4801 	if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4802 		goto end;
4803 
4804 	for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4805 		if (cea_db_tag(&edid_ext[i]) == AUDIO_BLOCK) {
4806 			has_audio = true;
4807 			for (j = 1; j < cea_db_payload_len(&edid_ext[i]) + 1; j += 3)
4808 				DRM_DEBUG_KMS("CEA audio format %d\n",
4809 					      (edid_ext[i + j] >> 3) & 0xf);
4810 			goto end;
4811 		}
4812 	}
4813 end:
4814 	return has_audio;
4815 }
4816 EXPORT_SYMBOL(drm_detect_monitor_audio);
4817 
4818 
4819 /**
4820  * drm_default_rgb_quant_range - default RGB quantization range
4821  * @mode: display mode
4822  *
4823  * Determine the default RGB quantization range for the mode,
4824  * as specified in CEA-861.
4825  *
4826  * Return: The default RGB quantization range for the mode
4827  */
4828 enum hdmi_quantization_range
4829 drm_default_rgb_quant_range(const struct drm_display_mode *mode)
4830 {
4831 	/* All CEA modes other than VIC 1 use limited quantization range. */
4832 	return drm_match_cea_mode(mode) > 1 ?
4833 		HDMI_QUANTIZATION_RANGE_LIMITED :
4834 		HDMI_QUANTIZATION_RANGE_FULL;
4835 }
4836 EXPORT_SYMBOL(drm_default_rgb_quant_range);
4837 
4838 static void drm_parse_vcdb(struct drm_connector *connector, const u8 *db)
4839 {
4840 	struct drm_display_info *info = &connector->display_info;
4841 
4842 	DRM_DEBUG_KMS("CEA VCDB 0x%02x\n", db[2]);
4843 
4844 	if (db[2] & EDID_CEA_VCDB_QS)
4845 		info->rgb_quant_range_selectable = true;
4846 }
4847 
4848 static
4849 void drm_get_max_frl_rate(int max_frl_rate, u8 *max_lanes, u8 *max_rate_per_lane)
4850 {
4851 	switch (max_frl_rate) {
4852 	case 1:
4853 		*max_lanes = 3;
4854 		*max_rate_per_lane = 3;
4855 		break;
4856 	case 2:
4857 		*max_lanes = 3;
4858 		*max_rate_per_lane = 6;
4859 		break;
4860 	case 3:
4861 		*max_lanes = 4;
4862 		*max_rate_per_lane = 6;
4863 		break;
4864 	case 4:
4865 		*max_lanes = 4;
4866 		*max_rate_per_lane = 8;
4867 		break;
4868 	case 5:
4869 		*max_lanes = 4;
4870 		*max_rate_per_lane = 10;
4871 		break;
4872 	case 6:
4873 		*max_lanes = 4;
4874 		*max_rate_per_lane = 12;
4875 		break;
4876 	case 0:
4877 	default:
4878 		*max_lanes = 0;
4879 		*max_rate_per_lane = 0;
4880 	}
4881 }
4882 
4883 static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector,
4884 					       const u8 *db)
4885 {
4886 	u8 dc_mask;
4887 	struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
4888 
4889 	dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK;
4890 	hdmi->y420_dc_modes = dc_mask;
4891 }
4892 
4893 static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector,
4894 				 const u8 *hf_vsdb)
4895 {
4896 	struct drm_display_info *display = &connector->display_info;
4897 	struct drm_hdmi_info *hdmi = &display->hdmi;
4898 
4899 	display->has_hdmi_infoframe = true;
4900 
4901 	if (hf_vsdb[6] & 0x80) {
4902 		hdmi->scdc.supported = true;
4903 		if (hf_vsdb[6] & 0x40)
4904 			hdmi->scdc.read_request = true;
4905 	}
4906 
4907 	/*
4908 	 * All HDMI 2.0 monitors must support scrambling at rates > 340 MHz.
4909 	 * And as per the spec, three factors confirm this:
4910 	 * * Availability of a HF-VSDB block in EDID (check)
4911 	 * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check)
4912 	 * * SCDC support available (let's check)
4913 	 * Lets check it out.
4914 	 */
4915 
4916 	if (hf_vsdb[5]) {
4917 		/* max clock is 5000 KHz times block value */
4918 		u32 max_tmds_clock = hf_vsdb[5] * 5000;
4919 		struct drm_scdc *scdc = &hdmi->scdc;
4920 
4921 		if (max_tmds_clock > 340000) {
4922 			display->max_tmds_clock = max_tmds_clock;
4923 			DRM_DEBUG_KMS("HF-VSDB: max TMDS clock %d kHz\n",
4924 				display->max_tmds_clock);
4925 		}
4926 
4927 		if (scdc->supported) {
4928 			scdc->scrambling.supported = true;
4929 
4930 			/* Few sinks support scrambling for clocks < 340M */
4931 			if ((hf_vsdb[6] & 0x8))
4932 				scdc->scrambling.low_rates = true;
4933 		}
4934 	}
4935 
4936 	if (hf_vsdb[7]) {
4937 		u8 max_frl_rate;
4938 		u8 dsc_max_frl_rate;
4939 		u8 dsc_max_slices;
4940 		struct drm_hdmi_dsc_cap *hdmi_dsc = &hdmi->dsc_cap;
4941 
4942 		DRM_DEBUG_KMS("hdmi_21 sink detected. parsing edid\n");
4943 		max_frl_rate = (hf_vsdb[7] & DRM_EDID_MAX_FRL_RATE_MASK) >> 4;
4944 		drm_get_max_frl_rate(max_frl_rate, &hdmi->max_lanes,
4945 				     &hdmi->max_frl_rate_per_lane);
4946 		hdmi_dsc->v_1p2 = hf_vsdb[11] & DRM_EDID_DSC_1P2;
4947 
4948 		if (hdmi_dsc->v_1p2) {
4949 			hdmi_dsc->native_420 = hf_vsdb[11] & DRM_EDID_DSC_NATIVE_420;
4950 			hdmi_dsc->all_bpp = hf_vsdb[11] & DRM_EDID_DSC_ALL_BPP;
4951 
4952 			if (hf_vsdb[11] & DRM_EDID_DSC_16BPC)
4953 				hdmi_dsc->bpc_supported = 16;
4954 			else if (hf_vsdb[11] & DRM_EDID_DSC_12BPC)
4955 				hdmi_dsc->bpc_supported = 12;
4956 			else if (hf_vsdb[11] & DRM_EDID_DSC_10BPC)
4957 				hdmi_dsc->bpc_supported = 10;
4958 			else
4959 				hdmi_dsc->bpc_supported = 0;
4960 
4961 			dsc_max_frl_rate = (hf_vsdb[12] & DRM_EDID_DSC_MAX_FRL_RATE_MASK) >> 4;
4962 			drm_get_max_frl_rate(dsc_max_frl_rate, &hdmi_dsc->max_lanes,
4963 					     &hdmi_dsc->max_frl_rate_per_lane);
4964 			hdmi_dsc->total_chunk_kbytes = hf_vsdb[13] & DRM_EDID_DSC_TOTAL_CHUNK_KBYTES;
4965 
4966 			dsc_max_slices = hf_vsdb[12] & DRM_EDID_DSC_MAX_SLICES;
4967 			switch (dsc_max_slices) {
4968 			case 1:
4969 				hdmi_dsc->max_slices = 1;
4970 				hdmi_dsc->clk_per_slice = 340;
4971 				break;
4972 			case 2:
4973 				hdmi_dsc->max_slices = 2;
4974 				hdmi_dsc->clk_per_slice = 340;
4975 				break;
4976 			case 3:
4977 				hdmi_dsc->max_slices = 4;
4978 				hdmi_dsc->clk_per_slice = 340;
4979 				break;
4980 			case 4:
4981 				hdmi_dsc->max_slices = 8;
4982 				hdmi_dsc->clk_per_slice = 340;
4983 				break;
4984 			case 5:
4985 				hdmi_dsc->max_slices = 8;
4986 				hdmi_dsc->clk_per_slice = 400;
4987 				break;
4988 			case 6:
4989 				hdmi_dsc->max_slices = 12;
4990 				hdmi_dsc->clk_per_slice = 400;
4991 				break;
4992 			case 7:
4993 				hdmi_dsc->max_slices = 16;
4994 				hdmi_dsc->clk_per_slice = 400;
4995 				break;
4996 			case 0:
4997 			default:
4998 				hdmi_dsc->max_slices = 0;
4999 				hdmi_dsc->clk_per_slice = 0;
5000 			}
5001 		}
5002 	}
5003 
5004 	drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb);
5005 }
5006 
5007 static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector,
5008 					   const u8 *hdmi)
5009 {
5010 	struct drm_display_info *info = &connector->display_info;
5011 	unsigned int dc_bpc = 0;
5012 
5013 	/* HDMI supports at least 8 bpc */
5014 	info->bpc = 8;
5015 
5016 	if (cea_db_payload_len(hdmi) < 6)
5017 		return;
5018 
5019 	if (hdmi[6] & DRM_EDID_HDMI_DC_30) {
5020 		dc_bpc = 10;
5021 		info->edid_hdmi_rgb444_dc_modes |= DRM_EDID_HDMI_DC_30;
5022 		DRM_DEBUG("%s: HDMI sink does deep color 30.\n",
5023 			  connector->name);
5024 	}
5025 
5026 	if (hdmi[6] & DRM_EDID_HDMI_DC_36) {
5027 		dc_bpc = 12;
5028 		info->edid_hdmi_rgb444_dc_modes |= DRM_EDID_HDMI_DC_36;
5029 		DRM_DEBUG("%s: HDMI sink does deep color 36.\n",
5030 			  connector->name);
5031 	}
5032 
5033 	if (hdmi[6] & DRM_EDID_HDMI_DC_48) {
5034 		dc_bpc = 16;
5035 		info->edid_hdmi_rgb444_dc_modes |= DRM_EDID_HDMI_DC_48;
5036 		DRM_DEBUG("%s: HDMI sink does deep color 48.\n",
5037 			  connector->name);
5038 	}
5039 
5040 	if (dc_bpc == 0) {
5041 		DRM_DEBUG("%s: No deep color support on this HDMI sink.\n",
5042 			  connector->name);
5043 		return;
5044 	}
5045 
5046 	DRM_DEBUG("%s: Assigning HDMI sink color depth as %d bpc.\n",
5047 		  connector->name, dc_bpc);
5048 	info->bpc = dc_bpc;
5049 
5050 	/* YCRCB444 is optional according to spec. */
5051 	if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) {
5052 		info->edid_hdmi_ycbcr444_dc_modes = info->edid_hdmi_rgb444_dc_modes;
5053 		DRM_DEBUG("%s: HDMI sink does YCRCB444 in deep color.\n",
5054 			  connector->name);
5055 	}
5056 
5057 	/*
5058 	 * Spec says that if any deep color mode is supported at all,
5059 	 * then deep color 36 bit must be supported.
5060 	 */
5061 	if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) {
5062 		DRM_DEBUG("%s: HDMI sink should do DC_36, but does not!\n",
5063 			  connector->name);
5064 	}
5065 }
5066 
5067 static void
5068 drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db)
5069 {
5070 	struct drm_display_info *info = &connector->display_info;
5071 	u8 len = cea_db_payload_len(db);
5072 
5073 	info->is_hdmi = true;
5074 
5075 	if (len >= 6)
5076 		info->dvi_dual = db[6] & 1;
5077 	if (len >= 7)
5078 		info->max_tmds_clock = db[7] * 5000;
5079 
5080 	DRM_DEBUG_KMS("HDMI: DVI dual %d, "
5081 		      "max TMDS clock %d kHz\n",
5082 		      info->dvi_dual,
5083 		      info->max_tmds_clock);
5084 
5085 	drm_parse_hdmi_deep_color_info(connector, db);
5086 }
5087 
5088 static void drm_parse_cea_ext(struct drm_connector *connector,
5089 			      const struct edid *edid)
5090 {
5091 	struct drm_display_info *info = &connector->display_info;
5092 	const u8 *edid_ext;
5093 	int i, start, end;
5094 
5095 	edid_ext = drm_find_cea_extension(edid);
5096 	if (!edid_ext)
5097 		return;
5098 
5099 	info->cea_rev = edid_ext[1];
5100 
5101 	/* The existence of a CEA block should imply RGB support */
5102 	info->color_formats = DRM_COLOR_FORMAT_RGB444;
5103 	if (edid_ext[3] & EDID_CEA_YCRCB444)
5104 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5105 	if (edid_ext[3] & EDID_CEA_YCRCB422)
5106 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
5107 
5108 	if (cea_db_offsets(edid_ext, &start, &end))
5109 		return;
5110 
5111 	for_each_cea_db(edid_ext, i, start, end) {
5112 		const u8 *db = &edid_ext[i];
5113 
5114 		if (cea_db_is_hdmi_vsdb(db))
5115 			drm_parse_hdmi_vsdb_video(connector, db);
5116 		if (cea_db_is_hdmi_forum_vsdb(db))
5117 			drm_parse_hdmi_forum_vsdb(connector, db);
5118 		if (cea_db_is_y420cmdb(db))
5119 			drm_parse_y420cmdb_bitmap(connector, db);
5120 		if (cea_db_is_vcdb(db))
5121 			drm_parse_vcdb(connector, db);
5122 		if (cea_db_is_hdmi_hdr_metadata_block(db))
5123 			drm_parse_hdr_metadata_block(connector, db);
5124 	}
5125 }
5126 
5127 static
5128 void get_monitor_range(struct detailed_timing *timing,
5129 		       void *info_monitor_range)
5130 {
5131 	struct drm_monitor_range_info *monitor_range = info_monitor_range;
5132 	const struct detailed_non_pixel *data = &timing->data.other_data;
5133 	const struct detailed_data_monitor_range *range = &data->data.range;
5134 
5135 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
5136 		return;
5137 
5138 	/*
5139 	 * Check for flag range limits only. If flag == 1 then
5140 	 * no additional timing information provided.
5141 	 * Default GTF, GTF Secondary curve and CVT are not
5142 	 * supported
5143 	 */
5144 	if (range->flags != DRM_EDID_RANGE_LIMITS_ONLY_FLAG)
5145 		return;
5146 
5147 	monitor_range->min_vfreq = range->min_vfreq;
5148 	monitor_range->max_vfreq = range->max_vfreq;
5149 }
5150 
5151 static
5152 void drm_get_monitor_range(struct drm_connector *connector,
5153 			   const struct edid *edid)
5154 {
5155 	struct drm_display_info *info = &connector->display_info;
5156 
5157 	if (!version_greater(edid, 1, 1))
5158 		return;
5159 
5160 	drm_for_each_detailed_block((u8 *)edid, get_monitor_range,
5161 				    &info->monitor_range);
5162 
5163 	DRM_DEBUG_KMS("Supported Monitor Refresh rate range is %d Hz - %d Hz\n",
5164 		      info->monitor_range.min_vfreq,
5165 		      info->monitor_range.max_vfreq);
5166 }
5167 
5168 /* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset
5169  * all of the values which would have been set from EDID
5170  */
5171 void
5172 drm_reset_display_info(struct drm_connector *connector)
5173 {
5174 	struct drm_display_info *info = &connector->display_info;
5175 
5176 	info->width_mm = 0;
5177 	info->height_mm = 0;
5178 
5179 	info->bpc = 0;
5180 	info->color_formats = 0;
5181 	info->cea_rev = 0;
5182 	info->max_tmds_clock = 0;
5183 	info->dvi_dual = false;
5184 	info->is_hdmi = false;
5185 	info->has_hdmi_infoframe = false;
5186 	info->rgb_quant_range_selectable = false;
5187 	memset(&info->hdmi, 0, sizeof(info->hdmi));
5188 
5189 	info->non_desktop = 0;
5190 	memset(&info->monitor_range, 0, sizeof(info->monitor_range));
5191 }
5192 
5193 u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid)
5194 {
5195 	struct drm_display_info *info = &connector->display_info;
5196 
5197 	u32 quirks = edid_get_quirks(edid);
5198 
5199 	drm_reset_display_info(connector);
5200 
5201 	info->width_mm = edid->width_cm * 10;
5202 	info->height_mm = edid->height_cm * 10;
5203 
5204 	info->non_desktop = !!(quirks & EDID_QUIRK_NON_DESKTOP);
5205 
5206 	drm_get_monitor_range(connector, edid);
5207 
5208 	DRM_DEBUG_KMS("non_desktop set to %d\n", info->non_desktop);
5209 
5210 	if (edid->revision < 3)
5211 		return quirks;
5212 
5213 	if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
5214 		return quirks;
5215 
5216 	info->color_formats |= DRM_COLOR_FORMAT_RGB444;
5217 	drm_parse_cea_ext(connector, edid);
5218 
5219 	/*
5220 	 * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3?
5221 	 *
5222 	 * For such displays, the DFP spec 1.0, section 3.10 "EDID support"
5223 	 * tells us to assume 8 bpc color depth if the EDID doesn't have
5224 	 * extensions which tell otherwise.
5225 	 */
5226 	if (info->bpc == 0 && edid->revision == 3 &&
5227 	    edid->input & DRM_EDID_DIGITAL_DFP_1_X) {
5228 		info->bpc = 8;
5229 		DRM_DEBUG("%s: Assigning DFP sink color depth as %d bpc.\n",
5230 			  connector->name, info->bpc);
5231 	}
5232 
5233 	/* Only defined for 1.4 with digital displays */
5234 	if (edid->revision < 4)
5235 		return quirks;
5236 
5237 	switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {
5238 	case DRM_EDID_DIGITAL_DEPTH_6:
5239 		info->bpc = 6;
5240 		break;
5241 	case DRM_EDID_DIGITAL_DEPTH_8:
5242 		info->bpc = 8;
5243 		break;
5244 	case DRM_EDID_DIGITAL_DEPTH_10:
5245 		info->bpc = 10;
5246 		break;
5247 	case DRM_EDID_DIGITAL_DEPTH_12:
5248 		info->bpc = 12;
5249 		break;
5250 	case DRM_EDID_DIGITAL_DEPTH_14:
5251 		info->bpc = 14;
5252 		break;
5253 	case DRM_EDID_DIGITAL_DEPTH_16:
5254 		info->bpc = 16;
5255 		break;
5256 	case DRM_EDID_DIGITAL_DEPTH_UNDEF:
5257 	default:
5258 		info->bpc = 0;
5259 		break;
5260 	}
5261 
5262 	DRM_DEBUG("%s: Assigning EDID-1.4 digital sink color depth as %d bpc.\n",
5263 			  connector->name, info->bpc);
5264 
5265 	if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)
5266 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5267 	if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)
5268 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
5269 	return quirks;
5270 }
5271 
5272 static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev,
5273 							    struct displayid_detailed_timings_1 *timings)
5274 {
5275 	struct drm_display_mode *mode;
5276 	unsigned pixel_clock = (timings->pixel_clock[0] |
5277 				(timings->pixel_clock[1] << 8) |
5278 				(timings->pixel_clock[2] << 16)) + 1;
5279 	unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;
5280 	unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;
5281 	unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1;
5282 	unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1;
5283 	unsigned vactive = (timings->vactive[0] | timings->vactive[1] << 8) + 1;
5284 	unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1;
5285 	unsigned vsync = (timings->vsync[0] | (timings->vsync[1] & 0x7f) << 8) + 1;
5286 	unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1;
5287 	bool hsync_positive = (timings->hsync[1] >> 7) & 0x1;
5288 	bool vsync_positive = (timings->vsync[1] >> 7) & 0x1;
5289 
5290 	mode = drm_mode_create(dev);
5291 	if (!mode)
5292 		return NULL;
5293 
5294 	mode->clock = pixel_clock * 10;
5295 	mode->hdisplay = hactive;
5296 	mode->hsync_start = mode->hdisplay + hsync;
5297 	mode->hsync_end = mode->hsync_start + hsync_width;
5298 	mode->htotal = mode->hdisplay + hblank;
5299 
5300 	mode->vdisplay = vactive;
5301 	mode->vsync_start = mode->vdisplay + vsync;
5302 	mode->vsync_end = mode->vsync_start + vsync_width;
5303 	mode->vtotal = mode->vdisplay + vblank;
5304 
5305 	mode->flags = 0;
5306 	mode->flags |= hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
5307 	mode->flags |= vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
5308 	mode->type = DRM_MODE_TYPE_DRIVER;
5309 
5310 	if (timings->flags & 0x80)
5311 		mode->type |= DRM_MODE_TYPE_PREFERRED;
5312 	drm_mode_set_name(mode);
5313 
5314 	return mode;
5315 }
5316 
5317 static int add_displayid_detailed_1_modes(struct drm_connector *connector,
5318 					  const struct displayid_block *block)
5319 {
5320 	struct displayid_detailed_timing_block *det = (struct displayid_detailed_timing_block *)block;
5321 	int i;
5322 	int num_timings;
5323 	struct drm_display_mode *newmode;
5324 	int num_modes = 0;
5325 	/* blocks must be multiple of 20 bytes length */
5326 	if (block->num_bytes % 20)
5327 		return 0;
5328 
5329 	num_timings = block->num_bytes / 20;
5330 	for (i = 0; i < num_timings; i++) {
5331 		struct displayid_detailed_timings_1 *timings = &det->timings[i];
5332 
5333 		newmode = drm_mode_displayid_detailed(connector->dev, timings);
5334 		if (!newmode)
5335 			continue;
5336 
5337 		drm_mode_probed_add(connector, newmode);
5338 		num_modes++;
5339 	}
5340 	return num_modes;
5341 }
5342 
5343 static int add_displayid_detailed_modes(struct drm_connector *connector,
5344 					struct edid *edid)
5345 {
5346 	const struct displayid_block *block;
5347 	struct displayid_iter iter;
5348 	int num_modes = 0;
5349 
5350 	displayid_iter_edid_begin(edid, &iter);
5351 	displayid_iter_for_each(block, &iter) {
5352 		if (block->tag == DATA_BLOCK_TYPE_1_DETAILED_TIMING)
5353 			num_modes += add_displayid_detailed_1_modes(connector, block);
5354 	}
5355 	displayid_iter_end(&iter);
5356 
5357 	return num_modes;
5358 }
5359 
5360 /**
5361  * drm_add_edid_modes - add modes from EDID data, if available
5362  * @connector: connector we're probing
5363  * @edid: EDID data
5364  *
5365  * Add the specified modes to the connector's mode list. Also fills out the
5366  * &drm_display_info structure and ELD in @connector with any information which
5367  * can be derived from the edid.
5368  *
5369  * Return: The number of modes added or 0 if we couldn't find any.
5370  */
5371 int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
5372 {
5373 	int num_modes = 0;
5374 	u32 quirks;
5375 
5376 	if (edid == NULL) {
5377 		clear_eld(connector);
5378 		return 0;
5379 	}
5380 	if (!drm_edid_is_valid(edid)) {
5381 		clear_eld(connector);
5382 		drm_warn(connector->dev, "%s: EDID invalid.\n",
5383 			 connector->name);
5384 		return 0;
5385 	}
5386 
5387 	drm_edid_to_eld(connector, edid);
5388 
5389 	/*
5390 	 * CEA-861-F adds ycbcr capability map block, for HDMI 2.0 sinks.
5391 	 * To avoid multiple parsing of same block, lets parse that map
5392 	 * from sink info, before parsing CEA modes.
5393 	 */
5394 	quirks = drm_add_display_info(connector, edid);
5395 
5396 	/*
5397 	 * EDID spec says modes should be preferred in this order:
5398 	 * - preferred detailed mode
5399 	 * - other detailed modes from base block
5400 	 * - detailed modes from extension blocks
5401 	 * - CVT 3-byte code modes
5402 	 * - standard timing codes
5403 	 * - established timing codes
5404 	 * - modes inferred from GTF or CVT range information
5405 	 *
5406 	 * We get this pretty much right.
5407 	 *
5408 	 * XXX order for additional mode types in extension blocks?
5409 	 */
5410 	num_modes += add_detailed_modes(connector, edid, quirks);
5411 	num_modes += add_cvt_modes(connector, edid);
5412 	num_modes += add_standard_modes(connector, edid);
5413 	num_modes += add_established_modes(connector, edid);
5414 	num_modes += add_cea_modes(connector, edid);
5415 	num_modes += add_alternate_cea_modes(connector, edid);
5416 	num_modes += add_displayid_detailed_modes(connector, edid);
5417 	if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
5418 		num_modes += add_inferred_modes(connector, edid);
5419 
5420 	if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
5421 		edid_fixup_preferred(connector, quirks);
5422 
5423 	if (quirks & EDID_QUIRK_FORCE_6BPC)
5424 		connector->display_info.bpc = 6;
5425 
5426 	if (quirks & EDID_QUIRK_FORCE_8BPC)
5427 		connector->display_info.bpc = 8;
5428 
5429 	if (quirks & EDID_QUIRK_FORCE_10BPC)
5430 		connector->display_info.bpc = 10;
5431 
5432 	if (quirks & EDID_QUIRK_FORCE_12BPC)
5433 		connector->display_info.bpc = 12;
5434 
5435 	return num_modes;
5436 }
5437 EXPORT_SYMBOL(drm_add_edid_modes);
5438 
5439 /**
5440  * drm_add_modes_noedid - add modes for the connectors without EDID
5441  * @connector: connector we're probing
5442  * @hdisplay: the horizontal display limit
5443  * @vdisplay: the vertical display limit
5444  *
5445  * Add the specified modes to the connector's mode list. Only when the
5446  * hdisplay/vdisplay is not beyond the given limit, it will be added.
5447  *
5448  * Return: The number of modes added or 0 if we couldn't find any.
5449  */
5450 int drm_add_modes_noedid(struct drm_connector *connector,
5451 			int hdisplay, int vdisplay)
5452 {
5453 	int i, count, num_modes = 0;
5454 	struct drm_display_mode *mode;
5455 	struct drm_device *dev = connector->dev;
5456 
5457 	count = ARRAY_SIZE(drm_dmt_modes);
5458 	if (hdisplay < 0)
5459 		hdisplay = 0;
5460 	if (vdisplay < 0)
5461 		vdisplay = 0;
5462 
5463 	for (i = 0; i < count; i++) {
5464 		const struct drm_display_mode *ptr = &drm_dmt_modes[i];
5465 
5466 		if (hdisplay && vdisplay) {
5467 			/*
5468 			 * Only when two are valid, they will be used to check
5469 			 * whether the mode should be added to the mode list of
5470 			 * the connector.
5471 			 */
5472 			if (ptr->hdisplay > hdisplay ||
5473 					ptr->vdisplay > vdisplay)
5474 				continue;
5475 		}
5476 		if (drm_mode_vrefresh(ptr) > 61)
5477 			continue;
5478 		mode = drm_mode_duplicate(dev, ptr);
5479 		if (mode) {
5480 			drm_mode_probed_add(connector, mode);
5481 			num_modes++;
5482 		}
5483 	}
5484 	return num_modes;
5485 }
5486 EXPORT_SYMBOL(drm_add_modes_noedid);
5487 
5488 /**
5489  * drm_set_preferred_mode - Sets the preferred mode of a connector
5490  * @connector: connector whose mode list should be processed
5491  * @hpref: horizontal resolution of preferred mode
5492  * @vpref: vertical resolution of preferred mode
5493  *
5494  * Marks a mode as preferred if it matches the resolution specified by @hpref
5495  * and @vpref.
5496  */
5497 void drm_set_preferred_mode(struct drm_connector *connector,
5498 			   int hpref, int vpref)
5499 {
5500 	struct drm_display_mode *mode;
5501 
5502 	list_for_each_entry(mode, &connector->probed_modes, head) {
5503 		if (mode->hdisplay == hpref &&
5504 		    mode->vdisplay == vpref)
5505 			mode->type |= DRM_MODE_TYPE_PREFERRED;
5506 	}
5507 }
5508 EXPORT_SYMBOL(drm_set_preferred_mode);
5509 
5510 static bool is_hdmi2_sink(const struct drm_connector *connector)
5511 {
5512 	/*
5513 	 * FIXME: sil-sii8620 doesn't have a connector around when
5514 	 * we need one, so we have to be prepared for a NULL connector.
5515 	 */
5516 	if (!connector)
5517 		return true;
5518 
5519 	return connector->display_info.hdmi.scdc.supported ||
5520 		connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB420;
5521 }
5522 
5523 static inline bool is_eotf_supported(u8 output_eotf, u8 sink_eotf)
5524 {
5525 	return sink_eotf & BIT(output_eotf);
5526 }
5527 
5528 /**
5529  * drm_hdmi_infoframe_set_hdr_metadata() - fill an HDMI DRM infoframe with
5530  *                                         HDR metadata from userspace
5531  * @frame: HDMI DRM infoframe
5532  * @conn_state: Connector state containing HDR metadata
5533  *
5534  * Return: 0 on success or a negative error code on failure.
5535  */
5536 int
5537 drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
5538 				    const struct drm_connector_state *conn_state)
5539 {
5540 	struct drm_connector *connector;
5541 	struct hdr_output_metadata *hdr_metadata;
5542 	int err;
5543 
5544 	if (!frame || !conn_state)
5545 		return -EINVAL;
5546 
5547 	connector = conn_state->connector;
5548 
5549 	if (!conn_state->hdr_output_metadata)
5550 		return -EINVAL;
5551 
5552 	hdr_metadata = conn_state->hdr_output_metadata->data;
5553 
5554 	if (!hdr_metadata || !connector)
5555 		return -EINVAL;
5556 
5557 	/* Sink EOTF is Bit map while infoframe is absolute values */
5558 	if (!is_eotf_supported(hdr_metadata->hdmi_metadata_type1.eotf,
5559 	    connector->hdr_sink_metadata.hdmi_type1.eotf)) {
5560 		DRM_DEBUG_KMS("EOTF Not Supported\n");
5561 		return -EINVAL;
5562 	}
5563 
5564 	err = hdmi_drm_infoframe_init(frame);
5565 	if (err < 0)
5566 		return err;
5567 
5568 	frame->eotf = hdr_metadata->hdmi_metadata_type1.eotf;
5569 	frame->metadata_type = hdr_metadata->hdmi_metadata_type1.metadata_type;
5570 
5571 	BUILD_BUG_ON(sizeof(frame->display_primaries) !=
5572 		     sizeof(hdr_metadata->hdmi_metadata_type1.display_primaries));
5573 	BUILD_BUG_ON(sizeof(frame->white_point) !=
5574 		     sizeof(hdr_metadata->hdmi_metadata_type1.white_point));
5575 
5576 	memcpy(&frame->display_primaries,
5577 	       &hdr_metadata->hdmi_metadata_type1.display_primaries,
5578 	       sizeof(frame->display_primaries));
5579 
5580 	memcpy(&frame->white_point,
5581 	       &hdr_metadata->hdmi_metadata_type1.white_point,
5582 	       sizeof(frame->white_point));
5583 
5584 	frame->max_display_mastering_luminance =
5585 		hdr_metadata->hdmi_metadata_type1.max_display_mastering_luminance;
5586 	frame->min_display_mastering_luminance =
5587 		hdr_metadata->hdmi_metadata_type1.min_display_mastering_luminance;
5588 	frame->max_fall = hdr_metadata->hdmi_metadata_type1.max_fall;
5589 	frame->max_cll = hdr_metadata->hdmi_metadata_type1.max_cll;
5590 
5591 	return 0;
5592 }
5593 EXPORT_SYMBOL(drm_hdmi_infoframe_set_hdr_metadata);
5594 
5595 static u8 drm_mode_hdmi_vic(const struct drm_connector *connector,
5596 			    const struct drm_display_mode *mode)
5597 {
5598 	bool has_hdmi_infoframe = connector ?
5599 		connector->display_info.has_hdmi_infoframe : false;
5600 
5601 	if (!has_hdmi_infoframe)
5602 		return 0;
5603 
5604 	/* No HDMI VIC when signalling 3D video format */
5605 	if (mode->flags & DRM_MODE_FLAG_3D_MASK)
5606 		return 0;
5607 
5608 	return drm_match_hdmi_mode(mode);
5609 }
5610 
5611 static u8 drm_mode_cea_vic(const struct drm_connector *connector,
5612 			   const struct drm_display_mode *mode)
5613 {
5614 	u8 vic;
5615 
5616 	/*
5617 	 * HDMI spec says if a mode is found in HDMI 1.4b 4K modes
5618 	 * we should send its VIC in vendor infoframes, else send the
5619 	 * VIC in AVI infoframes. Lets check if this mode is present in
5620 	 * HDMI 1.4b 4K modes
5621 	 */
5622 	if (drm_mode_hdmi_vic(connector, mode))
5623 		return 0;
5624 
5625 	vic = drm_match_cea_mode(mode);
5626 
5627 	/*
5628 	 * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but
5629 	 * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we
5630 	 * have to make sure we dont break HDMI 1.4 sinks.
5631 	 */
5632 	if (!is_hdmi2_sink(connector) && vic > 64)
5633 		return 0;
5634 
5635 	return vic;
5636 }
5637 
5638 /**
5639  * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with
5640  *                                              data from a DRM display mode
5641  * @frame: HDMI AVI infoframe
5642  * @connector: the connector
5643  * @mode: DRM display mode
5644  *
5645  * Return: 0 on success or a negative error code on failure.
5646  */
5647 int
5648 drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
5649 					 const struct drm_connector *connector,
5650 					 const struct drm_display_mode *mode)
5651 {
5652 	enum hdmi_picture_aspect picture_aspect;
5653 	u8 vic, hdmi_vic;
5654 
5655 	if (!frame || !mode)
5656 		return -EINVAL;
5657 
5658 	hdmi_avi_infoframe_init(frame);
5659 
5660 	if (mode->flags & DRM_MODE_FLAG_DBLCLK)
5661 		frame->pixel_repeat = 1;
5662 
5663 	vic = drm_mode_cea_vic(connector, mode);
5664 	hdmi_vic = drm_mode_hdmi_vic(connector, mode);
5665 
5666 	frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5667 
5668 	/*
5669 	 * As some drivers don't support atomic, we can't use connector state.
5670 	 * So just initialize the frame with default values, just the same way
5671 	 * as it's done with other properties here.
5672 	 */
5673 	frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
5674 	frame->itc = 0;
5675 
5676 	/*
5677 	 * Populate picture aspect ratio from either
5678 	 * user input (if specified) or from the CEA/HDMI mode lists.
5679 	 */
5680 	picture_aspect = mode->picture_aspect_ratio;
5681 	if (picture_aspect == HDMI_PICTURE_ASPECT_NONE) {
5682 		if (vic)
5683 			picture_aspect = drm_get_cea_aspect_ratio(vic);
5684 		else if (hdmi_vic)
5685 			picture_aspect = drm_get_hdmi_aspect_ratio(hdmi_vic);
5686 	}
5687 
5688 	/*
5689 	 * The infoframe can't convey anything but none, 4:3
5690 	 * and 16:9, so if the user has asked for anything else
5691 	 * we can only satisfy it by specifying the right VIC.
5692 	 */
5693 	if (picture_aspect > HDMI_PICTURE_ASPECT_16_9) {
5694 		if (vic) {
5695 			if (picture_aspect != drm_get_cea_aspect_ratio(vic))
5696 				return -EINVAL;
5697 		} else if (hdmi_vic) {
5698 			if (picture_aspect != drm_get_hdmi_aspect_ratio(hdmi_vic))
5699 				return -EINVAL;
5700 		} else {
5701 			return -EINVAL;
5702 		}
5703 
5704 		picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5705 	}
5706 
5707 	frame->video_code = vic;
5708 	frame->picture_aspect = picture_aspect;
5709 	frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
5710 	frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
5711 
5712 	return 0;
5713 }
5714 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode);
5715 
5716 /* HDMI Colorspace Spec Definitions */
5717 #define FULL_COLORIMETRY_MASK		0x1FF
5718 #define NORMAL_COLORIMETRY_MASK		0x3
5719 #define EXTENDED_COLORIMETRY_MASK	0x7
5720 #define EXTENDED_ACE_COLORIMETRY_MASK	0xF
5721 
5722 #define C(x) ((x) << 0)
5723 #define EC(x) ((x) << 2)
5724 #define ACE(x) ((x) << 5)
5725 
5726 #define HDMI_COLORIMETRY_NO_DATA		0x0
5727 #define HDMI_COLORIMETRY_SMPTE_170M_YCC		(C(1) | EC(0) | ACE(0))
5728 #define HDMI_COLORIMETRY_BT709_YCC		(C(2) | EC(0) | ACE(0))
5729 #define HDMI_COLORIMETRY_XVYCC_601		(C(3) | EC(0) | ACE(0))
5730 #define HDMI_COLORIMETRY_XVYCC_709		(C(3) | EC(1) | ACE(0))
5731 #define HDMI_COLORIMETRY_SYCC_601		(C(3) | EC(2) | ACE(0))
5732 #define HDMI_COLORIMETRY_OPYCC_601		(C(3) | EC(3) | ACE(0))
5733 #define HDMI_COLORIMETRY_OPRGB			(C(3) | EC(4) | ACE(0))
5734 #define HDMI_COLORIMETRY_BT2020_CYCC		(C(3) | EC(5) | ACE(0))
5735 #define HDMI_COLORIMETRY_BT2020_RGB		(C(3) | EC(6) | ACE(0))
5736 #define HDMI_COLORIMETRY_BT2020_YCC		(C(3) | EC(6) | ACE(0))
5737 #define HDMI_COLORIMETRY_DCI_P3_RGB_D65		(C(3) | EC(7) | ACE(0))
5738 #define HDMI_COLORIMETRY_DCI_P3_RGB_THEATER	(C(3) | EC(7) | ACE(1))
5739 
5740 static const u32 hdmi_colorimetry_val[] = {
5741 	[DRM_MODE_COLORIMETRY_NO_DATA] = HDMI_COLORIMETRY_NO_DATA,
5742 	[DRM_MODE_COLORIMETRY_SMPTE_170M_YCC] = HDMI_COLORIMETRY_SMPTE_170M_YCC,
5743 	[DRM_MODE_COLORIMETRY_BT709_YCC] = HDMI_COLORIMETRY_BT709_YCC,
5744 	[DRM_MODE_COLORIMETRY_XVYCC_601] = HDMI_COLORIMETRY_XVYCC_601,
5745 	[DRM_MODE_COLORIMETRY_XVYCC_709] = HDMI_COLORIMETRY_XVYCC_709,
5746 	[DRM_MODE_COLORIMETRY_SYCC_601] = HDMI_COLORIMETRY_SYCC_601,
5747 	[DRM_MODE_COLORIMETRY_OPYCC_601] = HDMI_COLORIMETRY_OPYCC_601,
5748 	[DRM_MODE_COLORIMETRY_OPRGB] = HDMI_COLORIMETRY_OPRGB,
5749 	[DRM_MODE_COLORIMETRY_BT2020_CYCC] = HDMI_COLORIMETRY_BT2020_CYCC,
5750 	[DRM_MODE_COLORIMETRY_BT2020_RGB] = HDMI_COLORIMETRY_BT2020_RGB,
5751 	[DRM_MODE_COLORIMETRY_BT2020_YCC] = HDMI_COLORIMETRY_BT2020_YCC,
5752 };
5753 
5754 #undef C
5755 #undef EC
5756 #undef ACE
5757 
5758 /**
5759  * drm_hdmi_avi_infoframe_colorspace() - fill the HDMI AVI infoframe
5760  *                                       colorspace information
5761  * @frame: HDMI AVI infoframe
5762  * @conn_state: connector state
5763  */
5764 void
5765 drm_hdmi_avi_infoframe_colorspace(struct hdmi_avi_infoframe *frame,
5766 				  const struct drm_connector_state *conn_state)
5767 {
5768 	u32 colorimetry_val;
5769 	u32 colorimetry_index = conn_state->colorspace & FULL_COLORIMETRY_MASK;
5770 
5771 	if (colorimetry_index >= ARRAY_SIZE(hdmi_colorimetry_val))
5772 		colorimetry_val = HDMI_COLORIMETRY_NO_DATA;
5773 	else
5774 		colorimetry_val = hdmi_colorimetry_val[colorimetry_index];
5775 
5776 	frame->colorimetry = colorimetry_val & NORMAL_COLORIMETRY_MASK;
5777 	/*
5778 	 * ToDo: Extend it for ACE formats as well. Modify the infoframe
5779 	 * structure and extend it in drivers/video/hdmi
5780 	 */
5781 	frame->extended_colorimetry = (colorimetry_val >> 2) &
5782 					EXTENDED_COLORIMETRY_MASK;
5783 }
5784 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_colorspace);
5785 
5786 /**
5787  * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
5788  *                                        quantization range information
5789  * @frame: HDMI AVI infoframe
5790  * @connector: the connector
5791  * @mode: DRM display mode
5792  * @rgb_quant_range: RGB quantization range (Q)
5793  */
5794 void
5795 drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
5796 				   const struct drm_connector *connector,
5797 				   const struct drm_display_mode *mode,
5798 				   enum hdmi_quantization_range rgb_quant_range)
5799 {
5800 	const struct drm_display_info *info = &connector->display_info;
5801 
5802 	/*
5803 	 * CEA-861:
5804 	 * "A Source shall not send a non-zero Q value that does not correspond
5805 	 *  to the default RGB Quantization Range for the transmitted Picture
5806 	 *  unless the Sink indicates support for the Q bit in a Video
5807 	 *  Capabilities Data Block."
5808 	 *
5809 	 * HDMI 2.0 recommends sending non-zero Q when it does match the
5810 	 * default RGB quantization range for the mode, even when QS=0.
5811 	 */
5812 	if (info->rgb_quant_range_selectable ||
5813 	    rgb_quant_range == drm_default_rgb_quant_range(mode))
5814 		frame->quantization_range = rgb_quant_range;
5815 	else
5816 		frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
5817 
5818 	/*
5819 	 * CEA-861-F:
5820 	 * "When transmitting any RGB colorimetry, the Source should set the
5821 	 *  YQ-field to match the RGB Quantization Range being transmitted
5822 	 *  (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB,
5823 	 *  set YQ=1) and the Sink shall ignore the YQ-field."
5824 	 *
5825 	 * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused
5826 	 * by non-zero YQ when receiving RGB. There doesn't seem to be any
5827 	 * good way to tell which version of CEA-861 the sink supports, so
5828 	 * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based
5829 	 * on on CEA-861-F.
5830 	 */
5831 	if (!is_hdmi2_sink(connector) ||
5832 	    rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
5833 		frame->ycc_quantization_range =
5834 			HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
5835 	else
5836 		frame->ycc_quantization_range =
5837 			HDMI_YCC_QUANTIZATION_RANGE_FULL;
5838 }
5839 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);
5840 
5841 /**
5842  * drm_hdmi_avi_infoframe_bars() - fill the HDMI AVI infoframe
5843  *                                 bar information
5844  * @frame: HDMI AVI infoframe
5845  * @conn_state: connector state
5846  */
5847 void
5848 drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
5849 			    const struct drm_connector_state *conn_state)
5850 {
5851 	frame->right_bar = conn_state->tv.margins.right;
5852 	frame->left_bar = conn_state->tv.margins.left;
5853 	frame->top_bar = conn_state->tv.margins.top;
5854 	frame->bottom_bar = conn_state->tv.margins.bottom;
5855 }
5856 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_bars);
5857 
5858 static enum hdmi_3d_structure
5859 s3d_structure_from_display_mode(const struct drm_display_mode *mode)
5860 {
5861 	u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK;
5862 
5863 	switch (layout) {
5864 	case DRM_MODE_FLAG_3D_FRAME_PACKING:
5865 		return HDMI_3D_STRUCTURE_FRAME_PACKING;
5866 	case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:
5867 		return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE;
5868 	case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:
5869 		return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE;
5870 	case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:
5871 		return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL;
5872 	case DRM_MODE_FLAG_3D_L_DEPTH:
5873 		return HDMI_3D_STRUCTURE_L_DEPTH;
5874 	case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:
5875 		return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH;
5876 	case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
5877 		return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM;
5878 	case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
5879 		return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF;
5880 	default:
5881 		return HDMI_3D_STRUCTURE_INVALID;
5882 	}
5883 }
5884 
5885 /**
5886  * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with
5887  * data from a DRM display mode
5888  * @frame: HDMI vendor infoframe
5889  * @connector: the connector
5890  * @mode: DRM display mode
5891  *
5892  * Note that there's is a need to send HDMI vendor infoframes only when using a
5893  * 4k or stereoscopic 3D mode. So when giving any other mode as input this
5894  * function will return -EINVAL, error that can be safely ignored.
5895  *
5896  * Return: 0 on success or a negative error code on failure.
5897  */
5898 int
5899 drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
5900 					    const struct drm_connector *connector,
5901 					    const struct drm_display_mode *mode)
5902 {
5903 	/*
5904 	 * FIXME: sil-sii8620 doesn't have a connector around when
5905 	 * we need one, so we have to be prepared for a NULL connector.
5906 	 */
5907 	bool has_hdmi_infoframe = connector ?
5908 		connector->display_info.has_hdmi_infoframe : false;
5909 	int err;
5910 
5911 	if (!frame || !mode)
5912 		return -EINVAL;
5913 
5914 	if (!has_hdmi_infoframe)
5915 		return -EINVAL;
5916 
5917 	err = hdmi_vendor_infoframe_init(frame);
5918 	if (err < 0)
5919 		return err;
5920 
5921 	/*
5922 	 * Even if it's not absolutely necessary to send the infoframe
5923 	 * (ie.vic==0 and s3d_struct==0) we will still send it if we
5924 	 * know that the sink can handle it. This is based on a
5925 	 * suggestion in HDMI 2.0 Appendix F. Apparently some sinks
5926 	 * have trouble realizing that they should switch from 3D to 2D
5927 	 * mode if the source simply stops sending the infoframe when
5928 	 * it wants to switch from 3D to 2D.
5929 	 */
5930 	frame->vic = drm_mode_hdmi_vic(connector, mode);
5931 	frame->s3d_struct = s3d_structure_from_display_mode(mode);
5932 
5933 	return 0;
5934 }
5935 EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode);
5936 
5937 static void drm_parse_tiled_block(struct drm_connector *connector,
5938 				  const struct displayid_block *block)
5939 {
5940 	const struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block;
5941 	u16 w, h;
5942 	u8 tile_v_loc, tile_h_loc;
5943 	u8 num_v_tile, num_h_tile;
5944 	struct drm_tile_group *tg;
5945 
5946 	w = tile->tile_size[0] | tile->tile_size[1] << 8;
5947 	h = tile->tile_size[2] | tile->tile_size[3] << 8;
5948 
5949 	num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30);
5950 	num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30);
5951 	tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4);
5952 	tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4);
5953 
5954 	connector->has_tile = true;
5955 	if (tile->tile_cap & 0x80)
5956 		connector->tile_is_single_monitor = true;
5957 
5958 	connector->num_h_tile = num_h_tile + 1;
5959 	connector->num_v_tile = num_v_tile + 1;
5960 	connector->tile_h_loc = tile_h_loc;
5961 	connector->tile_v_loc = tile_v_loc;
5962 	connector->tile_h_size = w + 1;
5963 	connector->tile_v_size = h + 1;
5964 
5965 	DRM_DEBUG_KMS("tile cap 0x%x\n", tile->tile_cap);
5966 	DRM_DEBUG_KMS("tile_size %d x %d\n", w + 1, h + 1);
5967 	DRM_DEBUG_KMS("topo num tiles %dx%d, location %dx%d\n",
5968 		      num_h_tile + 1, num_v_tile + 1, tile_h_loc, tile_v_loc);
5969 	DRM_DEBUG_KMS("vend %c%c%c\n", tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]);
5970 
5971 	tg = drm_mode_get_tile_group(connector->dev, tile->topology_id);
5972 	if (!tg)
5973 		tg = drm_mode_create_tile_group(connector->dev, tile->topology_id);
5974 	if (!tg)
5975 		return;
5976 
5977 	if (connector->tile_group != tg) {
5978 		/* if we haven't got a pointer,
5979 		   take the reference, drop ref to old tile group */
5980 		if (connector->tile_group)
5981 			drm_mode_put_tile_group(connector->dev, connector->tile_group);
5982 		connector->tile_group = tg;
5983 	} else {
5984 		/* if same tile group, then release the ref we just took. */
5985 		drm_mode_put_tile_group(connector->dev, tg);
5986 	}
5987 }
5988 
5989 void drm_update_tile_info(struct drm_connector *connector,
5990 			  const struct edid *edid)
5991 {
5992 	const struct displayid_block *block;
5993 	struct displayid_iter iter;
5994 
5995 	connector->has_tile = false;
5996 
5997 	displayid_iter_edid_begin(edid, &iter);
5998 	displayid_iter_for_each(block, &iter) {
5999 		if (block->tag == DATA_BLOCK_TILED_DISPLAY)
6000 			drm_parse_tiled_block(connector, block);
6001 	}
6002 	displayid_iter_end(&iter);
6003 
6004 	if (!connector->has_tile && connector->tile_group) {
6005 		drm_mode_put_tile_group(connector->dev, connector->tile_group);
6006 		connector->tile_group = NULL;
6007 	}
6008 }
6009