xref: /openbmc/linux/drivers/gpu/drm/drm_edid.c (revision 8ffdff6a)
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 validate_displayid(u8 *displayid, int length, int idx);
1589 
1590 static int drm_edid_block_checksum(const u8 *raw_edid)
1591 {
1592 	int i;
1593 	u8 csum = 0, crc = 0;
1594 
1595 	for (i = 0; i < EDID_LENGTH - 1; i++)
1596 		csum += raw_edid[i];
1597 
1598 	crc = 0x100 - csum;
1599 
1600 	return crc;
1601 }
1602 
1603 static bool drm_edid_block_checksum_diff(const u8 *raw_edid, u8 real_checksum)
1604 {
1605 	if (raw_edid[EDID_LENGTH - 1] != real_checksum)
1606 		return true;
1607 	else
1608 		return false;
1609 }
1610 
1611 static bool drm_edid_is_zero(const u8 *in_edid, int length)
1612 {
1613 	if (memchr_inv(in_edid, 0, length))
1614 		return false;
1615 
1616 	return true;
1617 }
1618 
1619 /**
1620  * drm_edid_are_equal - compare two edid blobs.
1621  * @edid1: pointer to first blob
1622  * @edid2: pointer to second blob
1623  * This helper can be used during probing to determine if
1624  * edid had changed.
1625  */
1626 bool drm_edid_are_equal(const struct edid *edid1, const struct edid *edid2)
1627 {
1628 	int edid1_len, edid2_len;
1629 	bool edid1_present = edid1 != NULL;
1630 	bool edid2_present = edid2 != NULL;
1631 
1632 	if (edid1_present != edid2_present)
1633 		return false;
1634 
1635 	if (edid1) {
1636 		edid1_len = EDID_LENGTH * (1 + edid1->extensions);
1637 		edid2_len = EDID_LENGTH * (1 + edid2->extensions);
1638 
1639 		if (edid1_len != edid2_len)
1640 			return false;
1641 
1642 		if (memcmp(edid1, edid2, edid1_len))
1643 			return false;
1644 	}
1645 
1646 	return true;
1647 }
1648 EXPORT_SYMBOL(drm_edid_are_equal);
1649 
1650 /**
1651  * drm_edid_block_valid - Sanity check the EDID block (base or extension)
1652  * @raw_edid: pointer to raw EDID block
1653  * @block: type of block to validate (0 for base, extension otherwise)
1654  * @print_bad_edid: if true, dump bad EDID blocks to the console
1655  * @edid_corrupt: if true, the header or checksum is invalid
1656  *
1657  * Validate a base or extension EDID block and optionally dump bad blocks to
1658  * the console.
1659  *
1660  * Return: True if the block is valid, false otherwise.
1661  */
1662 bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid,
1663 			  bool *edid_corrupt)
1664 {
1665 	u8 csum;
1666 	struct edid *edid = (struct edid *)raw_edid;
1667 
1668 	if (WARN_ON(!raw_edid))
1669 		return false;
1670 
1671 	if (edid_fixup > 8 || edid_fixup < 0)
1672 		edid_fixup = 6;
1673 
1674 	if (block == 0) {
1675 		int score = drm_edid_header_is_valid(raw_edid);
1676 
1677 		if (score == 8) {
1678 			if (edid_corrupt)
1679 				*edid_corrupt = false;
1680 		} else if (score >= edid_fixup) {
1681 			/* Displayport Link CTS Core 1.2 rev1.1 test 4.2.2.6
1682 			 * The corrupt flag needs to be set here otherwise, the
1683 			 * fix-up code here will correct the problem, the
1684 			 * checksum is correct and the test fails
1685 			 */
1686 			if (edid_corrupt)
1687 				*edid_corrupt = true;
1688 			DRM_DEBUG("Fixing EDID header, your hardware may be failing\n");
1689 			memcpy(raw_edid, edid_header, sizeof(edid_header));
1690 		} else {
1691 			if (edid_corrupt)
1692 				*edid_corrupt = true;
1693 			goto bad;
1694 		}
1695 	}
1696 
1697 	csum = drm_edid_block_checksum(raw_edid);
1698 	if (drm_edid_block_checksum_diff(raw_edid, csum)) {
1699 		if (edid_corrupt)
1700 			*edid_corrupt = true;
1701 
1702 		/* allow CEA to slide through, switches mangle this */
1703 		if (raw_edid[0] == CEA_EXT) {
1704 			DRM_DEBUG("EDID checksum is invalid, remainder is %d\n", csum);
1705 			DRM_DEBUG("Assuming a KVM switch modified the CEA block but left the original checksum\n");
1706 		} else {
1707 			if (print_bad_edid)
1708 				DRM_NOTE("EDID checksum is invalid, remainder is %d\n", csum);
1709 
1710 			goto bad;
1711 		}
1712 	}
1713 
1714 	/* per-block-type checks */
1715 	switch (raw_edid[0]) {
1716 	case 0: /* base */
1717 		if (edid->version != 1) {
1718 			DRM_NOTE("EDID has major version %d, instead of 1\n", edid->version);
1719 			goto bad;
1720 		}
1721 
1722 		if (edid->revision > 4)
1723 			DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n");
1724 		break;
1725 
1726 	default:
1727 		break;
1728 	}
1729 
1730 	return true;
1731 
1732 bad:
1733 	if (print_bad_edid) {
1734 		if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) {
1735 			pr_notice("EDID block is all zeroes\n");
1736 		} else {
1737 			pr_notice("Raw EDID:\n");
1738 			print_hex_dump(KERN_NOTICE,
1739 				       " \t", DUMP_PREFIX_NONE, 16, 1,
1740 				       raw_edid, EDID_LENGTH, false);
1741 		}
1742 	}
1743 	return false;
1744 }
1745 EXPORT_SYMBOL(drm_edid_block_valid);
1746 
1747 /**
1748  * drm_edid_is_valid - sanity check EDID data
1749  * @edid: EDID data
1750  *
1751  * Sanity-check an entire EDID record (including extensions)
1752  *
1753  * Return: True if the EDID data is valid, false otherwise.
1754  */
1755 bool drm_edid_is_valid(struct edid *edid)
1756 {
1757 	int i;
1758 	u8 *raw = (u8 *)edid;
1759 
1760 	if (!edid)
1761 		return false;
1762 
1763 	for (i = 0; i <= edid->extensions; i++)
1764 		if (!drm_edid_block_valid(raw + i * EDID_LENGTH, i, true, NULL))
1765 			return false;
1766 
1767 	return true;
1768 }
1769 EXPORT_SYMBOL(drm_edid_is_valid);
1770 
1771 #define DDC_SEGMENT_ADDR 0x30
1772 /**
1773  * drm_do_probe_ddc_edid() - get EDID information via I2C
1774  * @data: I2C device adapter
1775  * @buf: EDID data buffer to be filled
1776  * @block: 128 byte EDID block to start fetching from
1777  * @len: EDID data buffer length to fetch
1778  *
1779  * Try to fetch EDID information by calling I2C driver functions.
1780  *
1781  * Return: 0 on success or -1 on failure.
1782  */
1783 static int
1784 drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len)
1785 {
1786 	struct i2c_adapter *adapter = data;
1787 	unsigned char start = block * EDID_LENGTH;
1788 	unsigned char segment = block >> 1;
1789 	unsigned char xfers = segment ? 3 : 2;
1790 	int ret, retries = 5;
1791 
1792 	/*
1793 	 * The core I2C driver will automatically retry the transfer if the
1794 	 * adapter reports EAGAIN. However, we find that bit-banging transfers
1795 	 * are susceptible to errors under a heavily loaded machine and
1796 	 * generate spurious NAKs and timeouts. Retrying the transfer
1797 	 * of the individual block a few times seems to overcome this.
1798 	 */
1799 	do {
1800 		struct i2c_msg msgs[] = {
1801 			{
1802 				.addr	= DDC_SEGMENT_ADDR,
1803 				.flags	= 0,
1804 				.len	= 1,
1805 				.buf	= &segment,
1806 			}, {
1807 				.addr	= DDC_ADDR,
1808 				.flags	= 0,
1809 				.len	= 1,
1810 				.buf	= &start,
1811 			}, {
1812 				.addr	= DDC_ADDR,
1813 				.flags	= I2C_M_RD,
1814 				.len	= len,
1815 				.buf	= buf,
1816 			}
1817 		};
1818 
1819 		/*
1820 		 * Avoid sending the segment addr to not upset non-compliant
1821 		 * DDC monitors.
1822 		 */
1823 		ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers);
1824 
1825 		if (ret == -ENXIO) {
1826 			DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n",
1827 					adapter->name);
1828 			break;
1829 		}
1830 	} while (ret != xfers && --retries);
1831 
1832 	return ret == xfers ? 0 : -1;
1833 }
1834 
1835 static void connector_bad_edid(struct drm_connector *connector,
1836 			       u8 *edid, int num_blocks)
1837 {
1838 	int i;
1839 	u8 num_of_ext = edid[0x7e];
1840 
1841 	/* Calculate real checksum for the last edid extension block data */
1842 	connector->real_edid_checksum =
1843 		drm_edid_block_checksum(edid + num_of_ext * EDID_LENGTH);
1844 
1845 	if (connector->bad_edid_counter++ && !drm_debug_enabled(DRM_UT_KMS))
1846 		return;
1847 
1848 	drm_dbg_kms(connector->dev, "%s: EDID is invalid:\n", connector->name);
1849 	for (i = 0; i < num_blocks; i++) {
1850 		u8 *block = edid + i * EDID_LENGTH;
1851 		char prefix[20];
1852 
1853 		if (drm_edid_is_zero(block, EDID_LENGTH))
1854 			sprintf(prefix, "\t[%02x] ZERO ", i);
1855 		else if (!drm_edid_block_valid(block, i, false, NULL))
1856 			sprintf(prefix, "\t[%02x] BAD  ", i);
1857 		else
1858 			sprintf(prefix, "\t[%02x] GOOD ", i);
1859 
1860 		print_hex_dump(KERN_DEBUG,
1861 			       prefix, DUMP_PREFIX_NONE, 16, 1,
1862 			       block, EDID_LENGTH, false);
1863 	}
1864 }
1865 
1866 /* Get override or firmware EDID */
1867 static struct edid *drm_get_override_edid(struct drm_connector *connector)
1868 {
1869 	struct edid *override = NULL;
1870 
1871 	if (connector->override_edid)
1872 		override = drm_edid_duplicate(connector->edid_blob_ptr->data);
1873 
1874 	if (!override)
1875 		override = drm_load_edid_firmware(connector);
1876 
1877 	return IS_ERR(override) ? NULL : override;
1878 }
1879 
1880 /**
1881  * drm_add_override_edid_modes - add modes from override/firmware EDID
1882  * @connector: connector we're probing
1883  *
1884  * Add modes from the override/firmware EDID, if available. Only to be used from
1885  * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe
1886  * failed during drm_get_edid() and caused the override/firmware EDID to be
1887  * skipped.
1888  *
1889  * Return: The number of modes added or 0 if we couldn't find any.
1890  */
1891 int drm_add_override_edid_modes(struct drm_connector *connector)
1892 {
1893 	struct edid *override;
1894 	int num_modes = 0;
1895 
1896 	override = drm_get_override_edid(connector);
1897 	if (override) {
1898 		drm_connector_update_edid_property(connector, override);
1899 		num_modes = drm_add_edid_modes(connector, override);
1900 		kfree(override);
1901 
1902 		DRM_DEBUG_KMS("[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n",
1903 			      connector->base.id, connector->name, num_modes);
1904 	}
1905 
1906 	return num_modes;
1907 }
1908 EXPORT_SYMBOL(drm_add_override_edid_modes);
1909 
1910 /**
1911  * drm_do_get_edid - get EDID data using a custom EDID block read function
1912  * @connector: connector we're probing
1913  * @get_edid_block: EDID block read function
1914  * @data: private data passed to the block read function
1915  *
1916  * When the I2C adapter connected to the DDC bus is hidden behind a device that
1917  * exposes a different interface to read EDID blocks this function can be used
1918  * to get EDID data using a custom block read function.
1919  *
1920  * As in the general case the DDC bus is accessible by the kernel at the I2C
1921  * level, drivers must make all reasonable efforts to expose it as an I2C
1922  * adapter and use drm_get_edid() instead of abusing this function.
1923  *
1924  * The EDID may be overridden using debugfs override_edid or firmare EDID
1925  * (drm_load_edid_firmware() and drm.edid_firmware parameter), in this priority
1926  * order. Having either of them bypasses actual EDID reads.
1927  *
1928  * Return: Pointer to valid EDID or NULL if we couldn't find any.
1929  */
1930 struct edid *drm_do_get_edid(struct drm_connector *connector,
1931 	int (*get_edid_block)(void *data, u8 *buf, unsigned int block,
1932 			      size_t len),
1933 	void *data)
1934 {
1935 	int i, j = 0, valid_extensions = 0;
1936 	u8 *edid, *new;
1937 	struct edid *override;
1938 
1939 	override = drm_get_override_edid(connector);
1940 	if (override)
1941 		return override;
1942 
1943 	if ((edid = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL)
1944 		return NULL;
1945 
1946 	/* base block fetch */
1947 	for (i = 0; i < 4; i++) {
1948 		if (get_edid_block(data, edid, 0, EDID_LENGTH))
1949 			goto out;
1950 		if (drm_edid_block_valid(edid, 0, false,
1951 					 &connector->edid_corrupt))
1952 			break;
1953 		if (i == 0 && drm_edid_is_zero(edid, EDID_LENGTH)) {
1954 			connector->null_edid_counter++;
1955 			goto carp;
1956 		}
1957 	}
1958 	if (i == 4)
1959 		goto carp;
1960 
1961 	/* if there's no extensions, we're done */
1962 	valid_extensions = edid[0x7e];
1963 	if (valid_extensions == 0)
1964 		return (struct edid *)edid;
1965 
1966 	new = krealloc(edid, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL);
1967 	if (!new)
1968 		goto out;
1969 	edid = new;
1970 
1971 	for (j = 1; j <= edid[0x7e]; j++) {
1972 		u8 *block = edid + j * EDID_LENGTH;
1973 
1974 		for (i = 0; i < 4; i++) {
1975 			if (get_edid_block(data, block, j, EDID_LENGTH))
1976 				goto out;
1977 			if (drm_edid_block_valid(block, j, false, NULL))
1978 				break;
1979 		}
1980 
1981 		if (i == 4)
1982 			valid_extensions--;
1983 	}
1984 
1985 	if (valid_extensions != edid[0x7e]) {
1986 		u8 *base;
1987 
1988 		connector_bad_edid(connector, edid, edid[0x7e] + 1);
1989 
1990 		edid[EDID_LENGTH-1] += edid[0x7e] - valid_extensions;
1991 		edid[0x7e] = valid_extensions;
1992 
1993 		new = kmalloc_array(valid_extensions + 1, EDID_LENGTH,
1994 				    GFP_KERNEL);
1995 		if (!new)
1996 			goto out;
1997 
1998 		base = new;
1999 		for (i = 0; i <= edid[0x7e]; i++) {
2000 			u8 *block = edid + i * EDID_LENGTH;
2001 
2002 			if (!drm_edid_block_valid(block, i, false, NULL))
2003 				continue;
2004 
2005 			memcpy(base, block, EDID_LENGTH);
2006 			base += EDID_LENGTH;
2007 		}
2008 
2009 		kfree(edid);
2010 		edid = new;
2011 	}
2012 
2013 	return (struct edid *)edid;
2014 
2015 carp:
2016 	connector_bad_edid(connector, edid, 1);
2017 out:
2018 	kfree(edid);
2019 	return NULL;
2020 }
2021 EXPORT_SYMBOL_GPL(drm_do_get_edid);
2022 
2023 /**
2024  * drm_probe_ddc() - probe DDC presence
2025  * @adapter: I2C adapter to probe
2026  *
2027  * Return: True on success, false on failure.
2028  */
2029 bool
2030 drm_probe_ddc(struct i2c_adapter *adapter)
2031 {
2032 	unsigned char out;
2033 
2034 	return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
2035 }
2036 EXPORT_SYMBOL(drm_probe_ddc);
2037 
2038 /**
2039  * drm_get_edid - get EDID data, if available
2040  * @connector: connector we're probing
2041  * @adapter: I2C adapter to use for DDC
2042  *
2043  * Poke the given I2C channel to grab EDID data if possible.  If found,
2044  * attach it to the connector.
2045  *
2046  * Return: Pointer to valid EDID or NULL if we couldn't find any.
2047  */
2048 struct edid *drm_get_edid(struct drm_connector *connector,
2049 			  struct i2c_adapter *adapter)
2050 {
2051 	struct edid *edid;
2052 
2053 	if (connector->force == DRM_FORCE_OFF)
2054 		return NULL;
2055 
2056 	if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
2057 		return NULL;
2058 
2059 	edid = drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter);
2060 	drm_connector_update_edid_property(connector, edid);
2061 	return edid;
2062 }
2063 EXPORT_SYMBOL(drm_get_edid);
2064 
2065 /**
2066  * drm_get_edid_switcheroo - get EDID data for a vga_switcheroo output
2067  * @connector: connector we're probing
2068  * @adapter: I2C adapter to use for DDC
2069  *
2070  * Wrapper around drm_get_edid() for laptops with dual GPUs using one set of
2071  * outputs. The wrapper adds the requisite vga_switcheroo calls to temporarily
2072  * switch DDC to the GPU which is retrieving EDID.
2073  *
2074  * Return: Pointer to valid EDID or %NULL if we couldn't find any.
2075  */
2076 struct edid *drm_get_edid_switcheroo(struct drm_connector *connector,
2077 				     struct i2c_adapter *adapter)
2078 {
2079 	struct drm_device *dev = connector->dev;
2080 	struct pci_dev *pdev = to_pci_dev(dev->dev);
2081 	struct edid *edid;
2082 
2083 	if (drm_WARN_ON_ONCE(dev, !dev_is_pci(dev->dev)))
2084 		return NULL;
2085 
2086 	vga_switcheroo_lock_ddc(pdev);
2087 	edid = drm_get_edid(connector, adapter);
2088 	vga_switcheroo_unlock_ddc(pdev);
2089 
2090 	return edid;
2091 }
2092 EXPORT_SYMBOL(drm_get_edid_switcheroo);
2093 
2094 /**
2095  * drm_edid_duplicate - duplicate an EDID and the extensions
2096  * @edid: EDID to duplicate
2097  *
2098  * Return: Pointer to duplicated EDID or NULL on allocation failure.
2099  */
2100 struct edid *drm_edid_duplicate(const struct edid *edid)
2101 {
2102 	return kmemdup(edid, (edid->extensions + 1) * EDID_LENGTH, GFP_KERNEL);
2103 }
2104 EXPORT_SYMBOL(drm_edid_duplicate);
2105 
2106 /*** EDID parsing ***/
2107 
2108 /**
2109  * edid_vendor - match a string against EDID's obfuscated vendor field
2110  * @edid: EDID to match
2111  * @vendor: vendor string
2112  *
2113  * Returns true if @vendor is in @edid, false otherwise
2114  */
2115 static bool edid_vendor(const struct edid *edid, const char *vendor)
2116 {
2117 	char edid_vendor[3];
2118 
2119 	edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@';
2120 	edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) |
2121 			  ((edid->mfg_id[1] & 0xe0) >> 5)) + '@';
2122 	edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@';
2123 
2124 	return !strncmp(edid_vendor, vendor, 3);
2125 }
2126 
2127 /**
2128  * edid_get_quirks - return quirk flags for a given EDID
2129  * @edid: EDID to process
2130  *
2131  * This tells subsequent routines what fixes they need to apply.
2132  */
2133 static u32 edid_get_quirks(const struct edid *edid)
2134 {
2135 	const struct edid_quirk *quirk;
2136 	int i;
2137 
2138 	for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
2139 		quirk = &edid_quirk_list[i];
2140 
2141 		if (edid_vendor(edid, quirk->vendor) &&
2142 		    (EDID_PRODUCT_ID(edid) == quirk->product_id))
2143 			return quirk->quirks;
2144 	}
2145 
2146 	return 0;
2147 }
2148 
2149 #define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
2150 #define MODE_REFRESH_DIFF(c,t) (abs((c) - (t)))
2151 
2152 /**
2153  * edid_fixup_preferred - set preferred modes based on quirk list
2154  * @connector: has mode list to fix up
2155  * @quirks: quirks list
2156  *
2157  * Walk the mode list for @connector, clearing the preferred status
2158  * on existing modes and setting it anew for the right mode ala @quirks.
2159  */
2160 static void edid_fixup_preferred(struct drm_connector *connector,
2161 				 u32 quirks)
2162 {
2163 	struct drm_display_mode *t, *cur_mode, *preferred_mode;
2164 	int target_refresh = 0;
2165 	int cur_vrefresh, preferred_vrefresh;
2166 
2167 	if (list_empty(&connector->probed_modes))
2168 		return;
2169 
2170 	if (quirks & EDID_QUIRK_PREFER_LARGE_60)
2171 		target_refresh = 60;
2172 	if (quirks & EDID_QUIRK_PREFER_LARGE_75)
2173 		target_refresh = 75;
2174 
2175 	preferred_mode = list_first_entry(&connector->probed_modes,
2176 					  struct drm_display_mode, head);
2177 
2178 	list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) {
2179 		cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
2180 
2181 		if (cur_mode == preferred_mode)
2182 			continue;
2183 
2184 		/* Largest mode is preferred */
2185 		if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
2186 			preferred_mode = cur_mode;
2187 
2188 		cur_vrefresh = drm_mode_vrefresh(cur_mode);
2189 		preferred_vrefresh = drm_mode_vrefresh(preferred_mode);
2190 		/* At a given size, try to get closest to target refresh */
2191 		if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
2192 		    MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) <
2193 		    MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) {
2194 			preferred_mode = cur_mode;
2195 		}
2196 	}
2197 
2198 	preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
2199 }
2200 
2201 static bool
2202 mode_is_rb(const struct drm_display_mode *mode)
2203 {
2204 	return (mode->htotal - mode->hdisplay == 160) &&
2205 	       (mode->hsync_end - mode->hdisplay == 80) &&
2206 	       (mode->hsync_end - mode->hsync_start == 32) &&
2207 	       (mode->vsync_start - mode->vdisplay == 3);
2208 }
2209 
2210 /*
2211  * drm_mode_find_dmt - Create a copy of a mode if present in DMT
2212  * @dev: Device to duplicate against
2213  * @hsize: Mode width
2214  * @vsize: Mode height
2215  * @fresh: Mode refresh rate
2216  * @rb: Mode reduced-blanking-ness
2217  *
2218  * Walk the DMT mode list looking for a match for the given parameters.
2219  *
2220  * Return: A newly allocated copy of the mode, or NULL if not found.
2221  */
2222 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
2223 					   int hsize, int vsize, int fresh,
2224 					   bool rb)
2225 {
2226 	int i;
2227 
2228 	for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2229 		const struct drm_display_mode *ptr = &drm_dmt_modes[i];
2230 
2231 		if (hsize != ptr->hdisplay)
2232 			continue;
2233 		if (vsize != ptr->vdisplay)
2234 			continue;
2235 		if (fresh != drm_mode_vrefresh(ptr))
2236 			continue;
2237 		if (rb != mode_is_rb(ptr))
2238 			continue;
2239 
2240 		return drm_mode_duplicate(dev, ptr);
2241 	}
2242 
2243 	return NULL;
2244 }
2245 EXPORT_SYMBOL(drm_mode_find_dmt);
2246 
2247 static bool is_display_descriptor(const u8 d[18], u8 tag)
2248 {
2249 	return d[0] == 0x00 && d[1] == 0x00 &&
2250 		d[2] == 0x00 && d[3] == tag;
2251 }
2252 
2253 static bool is_detailed_timing_descriptor(const u8 d[18])
2254 {
2255 	return d[0] != 0x00 || d[1] != 0x00;
2256 }
2257 
2258 typedef void detailed_cb(struct detailed_timing *timing, void *closure);
2259 
2260 static void
2261 cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2262 {
2263 	int i, n;
2264 	u8 d = ext[0x02];
2265 	u8 *det_base = ext + d;
2266 
2267 	if (d < 4 || d > 127)
2268 		return;
2269 
2270 	n = (127 - d) / 18;
2271 	for (i = 0; i < n; i++)
2272 		cb((struct detailed_timing *)(det_base + 18 * i), closure);
2273 }
2274 
2275 static void
2276 vtb_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2277 {
2278 	unsigned int i, n = min((int)ext[0x02], 6);
2279 	u8 *det_base = ext + 5;
2280 
2281 	if (ext[0x01] != 1)
2282 		return; /* unknown version */
2283 
2284 	for (i = 0; i < n; i++)
2285 		cb((struct detailed_timing *)(det_base + 18 * i), closure);
2286 }
2287 
2288 static void
2289 drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure)
2290 {
2291 	int i;
2292 	struct edid *edid = (struct edid *)raw_edid;
2293 
2294 	if (edid == NULL)
2295 		return;
2296 
2297 	for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
2298 		cb(&(edid->detailed_timings[i]), closure);
2299 
2300 	for (i = 1; i <= raw_edid[0x7e]; i++) {
2301 		u8 *ext = raw_edid + (i * EDID_LENGTH);
2302 
2303 		switch (*ext) {
2304 		case CEA_EXT:
2305 			cea_for_each_detailed_block(ext, cb, closure);
2306 			break;
2307 		case VTB_EXT:
2308 			vtb_for_each_detailed_block(ext, cb, closure);
2309 			break;
2310 		default:
2311 			break;
2312 		}
2313 	}
2314 }
2315 
2316 static void
2317 is_rb(struct detailed_timing *t, void *data)
2318 {
2319 	u8 *r = (u8 *)t;
2320 
2321 	if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2322 		return;
2323 
2324 	if (r[15] & 0x10)
2325 		*(bool *)data = true;
2326 }
2327 
2328 /* EDID 1.4 defines this explicitly.  For EDID 1.3, we guess, badly. */
2329 static bool
2330 drm_monitor_supports_rb(struct edid *edid)
2331 {
2332 	if (edid->revision >= 4) {
2333 		bool ret = false;
2334 
2335 		drm_for_each_detailed_block((u8 *)edid, is_rb, &ret);
2336 		return ret;
2337 	}
2338 
2339 	return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
2340 }
2341 
2342 static void
2343 find_gtf2(struct detailed_timing *t, void *data)
2344 {
2345 	u8 *r = (u8 *)t;
2346 
2347 	if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2348 		return;
2349 
2350 	if (r[10] == 0x02)
2351 		*(u8 **)data = r;
2352 }
2353 
2354 /* Secondary GTF curve kicks in above some break frequency */
2355 static int
2356 drm_gtf2_hbreak(struct edid *edid)
2357 {
2358 	u8 *r = NULL;
2359 
2360 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2361 	return r ? (r[12] * 2) : 0;
2362 }
2363 
2364 static int
2365 drm_gtf2_2c(struct edid *edid)
2366 {
2367 	u8 *r = NULL;
2368 
2369 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2370 	return r ? r[13] : 0;
2371 }
2372 
2373 static int
2374 drm_gtf2_m(struct edid *edid)
2375 {
2376 	u8 *r = NULL;
2377 
2378 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2379 	return r ? (r[15] << 8) + r[14] : 0;
2380 }
2381 
2382 static int
2383 drm_gtf2_k(struct edid *edid)
2384 {
2385 	u8 *r = NULL;
2386 
2387 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2388 	return r ? r[16] : 0;
2389 }
2390 
2391 static int
2392 drm_gtf2_2j(struct edid *edid)
2393 {
2394 	u8 *r = NULL;
2395 
2396 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2397 	return r ? r[17] : 0;
2398 }
2399 
2400 /**
2401  * standard_timing_level - get std. timing level(CVT/GTF/DMT)
2402  * @edid: EDID block to scan
2403  */
2404 static int standard_timing_level(struct edid *edid)
2405 {
2406 	if (edid->revision >= 2) {
2407 		if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))
2408 			return LEVEL_CVT;
2409 		if (drm_gtf2_hbreak(edid))
2410 			return LEVEL_GTF2;
2411 		if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
2412 			return LEVEL_GTF;
2413 	}
2414 	return LEVEL_DMT;
2415 }
2416 
2417 /*
2418  * 0 is reserved.  The spec says 0x01 fill for unused timings.  Some old
2419  * monitors fill with ascii space (0x20) instead.
2420  */
2421 static int
2422 bad_std_timing(u8 a, u8 b)
2423 {
2424 	return (a == 0x00 && b == 0x00) ||
2425 	       (a == 0x01 && b == 0x01) ||
2426 	       (a == 0x20 && b == 0x20);
2427 }
2428 
2429 static int drm_mode_hsync(const struct drm_display_mode *mode)
2430 {
2431 	if (mode->htotal <= 0)
2432 		return 0;
2433 
2434 	return DIV_ROUND_CLOSEST(mode->clock, mode->htotal);
2435 }
2436 
2437 /**
2438  * drm_mode_std - convert standard mode info (width, height, refresh) into mode
2439  * @connector: connector of for the EDID block
2440  * @edid: EDID block to scan
2441  * @t: standard timing params
2442  *
2443  * Take the standard timing params (in this case width, aspect, and refresh)
2444  * and convert them into a real mode using CVT/GTF/DMT.
2445  */
2446 static struct drm_display_mode *
2447 drm_mode_std(struct drm_connector *connector, struct edid *edid,
2448 	     struct std_timing *t)
2449 {
2450 	struct drm_device *dev = connector->dev;
2451 	struct drm_display_mode *m, *mode = NULL;
2452 	int hsize, vsize;
2453 	int vrefresh_rate;
2454 	unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
2455 		>> EDID_TIMING_ASPECT_SHIFT;
2456 	unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
2457 		>> EDID_TIMING_VFREQ_SHIFT;
2458 	int timing_level = standard_timing_level(edid);
2459 
2460 	if (bad_std_timing(t->hsize, t->vfreq_aspect))
2461 		return NULL;
2462 
2463 	/* According to the EDID spec, the hdisplay = hsize * 8 + 248 */
2464 	hsize = t->hsize * 8 + 248;
2465 	/* vrefresh_rate = vfreq + 60 */
2466 	vrefresh_rate = vfreq + 60;
2467 	/* the vdisplay is calculated based on the aspect ratio */
2468 	if (aspect_ratio == 0) {
2469 		if (edid->revision < 3)
2470 			vsize = hsize;
2471 		else
2472 			vsize = (hsize * 10) / 16;
2473 	} else if (aspect_ratio == 1)
2474 		vsize = (hsize * 3) / 4;
2475 	else if (aspect_ratio == 2)
2476 		vsize = (hsize * 4) / 5;
2477 	else
2478 		vsize = (hsize * 9) / 16;
2479 
2480 	/* HDTV hack, part 1 */
2481 	if (vrefresh_rate == 60 &&
2482 	    ((hsize == 1360 && vsize == 765) ||
2483 	     (hsize == 1368 && vsize == 769))) {
2484 		hsize = 1366;
2485 		vsize = 768;
2486 	}
2487 
2488 	/*
2489 	 * If this connector already has a mode for this size and refresh
2490 	 * rate (because it came from detailed or CVT info), use that
2491 	 * instead.  This way we don't have to guess at interlace or
2492 	 * reduced blanking.
2493 	 */
2494 	list_for_each_entry(m, &connector->probed_modes, head)
2495 		if (m->hdisplay == hsize && m->vdisplay == vsize &&
2496 		    drm_mode_vrefresh(m) == vrefresh_rate)
2497 			return NULL;
2498 
2499 	/* HDTV hack, part 2 */
2500 	if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
2501 		mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
2502 				    false);
2503 		if (!mode)
2504 			return NULL;
2505 		mode->hdisplay = 1366;
2506 		mode->hsync_start = mode->hsync_start - 1;
2507 		mode->hsync_end = mode->hsync_end - 1;
2508 		return mode;
2509 	}
2510 
2511 	/* check whether it can be found in default mode table */
2512 	if (drm_monitor_supports_rb(edid)) {
2513 		mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate,
2514 					 true);
2515 		if (mode)
2516 			return mode;
2517 	}
2518 	mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, false);
2519 	if (mode)
2520 		return mode;
2521 
2522 	/* okay, generate it */
2523 	switch (timing_level) {
2524 	case LEVEL_DMT:
2525 		break;
2526 	case LEVEL_GTF:
2527 		mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2528 		break;
2529 	case LEVEL_GTF2:
2530 		/*
2531 		 * This is potentially wrong if there's ever a monitor with
2532 		 * more than one ranges section, each claiming a different
2533 		 * secondary GTF curve.  Please don't do that.
2534 		 */
2535 		mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2536 		if (!mode)
2537 			return NULL;
2538 		if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) {
2539 			drm_mode_destroy(dev, mode);
2540 			mode = drm_gtf_mode_complex(dev, hsize, vsize,
2541 						    vrefresh_rate, 0, 0,
2542 						    drm_gtf2_m(edid),
2543 						    drm_gtf2_2c(edid),
2544 						    drm_gtf2_k(edid),
2545 						    drm_gtf2_2j(edid));
2546 		}
2547 		break;
2548 	case LEVEL_CVT:
2549 		mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
2550 				    false);
2551 		break;
2552 	}
2553 	return mode;
2554 }
2555 
2556 /*
2557  * EDID is delightfully ambiguous about how interlaced modes are to be
2558  * encoded.  Our internal representation is of frame height, but some
2559  * HDTV detailed timings are encoded as field height.
2560  *
2561  * The format list here is from CEA, in frame size.  Technically we
2562  * should be checking refresh rate too.  Whatever.
2563  */
2564 static void
2565 drm_mode_do_interlace_quirk(struct drm_display_mode *mode,
2566 			    struct detailed_pixel_timing *pt)
2567 {
2568 	int i;
2569 	static const struct {
2570 		int w, h;
2571 	} cea_interlaced[] = {
2572 		{ 1920, 1080 },
2573 		{  720,  480 },
2574 		{ 1440,  480 },
2575 		{ 2880,  480 },
2576 		{  720,  576 },
2577 		{ 1440,  576 },
2578 		{ 2880,  576 },
2579 	};
2580 
2581 	if (!(pt->misc & DRM_EDID_PT_INTERLACED))
2582 		return;
2583 
2584 	for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) {
2585 		if ((mode->hdisplay == cea_interlaced[i].w) &&
2586 		    (mode->vdisplay == cea_interlaced[i].h / 2)) {
2587 			mode->vdisplay *= 2;
2588 			mode->vsync_start *= 2;
2589 			mode->vsync_end *= 2;
2590 			mode->vtotal *= 2;
2591 			mode->vtotal |= 1;
2592 		}
2593 	}
2594 
2595 	mode->flags |= DRM_MODE_FLAG_INTERLACE;
2596 }
2597 
2598 /**
2599  * drm_mode_detailed - create a new mode from an EDID detailed timing section
2600  * @dev: DRM device (needed to create new mode)
2601  * @edid: EDID block
2602  * @timing: EDID detailed timing info
2603  * @quirks: quirks to apply
2604  *
2605  * An EDID detailed timing block contains enough info for us to create and
2606  * return a new struct drm_display_mode.
2607  */
2608 static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
2609 						  struct edid *edid,
2610 						  struct detailed_timing *timing,
2611 						  u32 quirks)
2612 {
2613 	struct drm_display_mode *mode;
2614 	struct detailed_pixel_timing *pt = &timing->data.pixel_data;
2615 	unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo;
2616 	unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo;
2617 	unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo;
2618 	unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo;
2619 	unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo;
2620 	unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo;
2621 	unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4;
2622 	unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf);
2623 
2624 	/* ignore tiny modes */
2625 	if (hactive < 64 || vactive < 64)
2626 		return NULL;
2627 
2628 	if (pt->misc & DRM_EDID_PT_STEREO) {
2629 		DRM_DEBUG_KMS("stereo mode not supported\n");
2630 		return NULL;
2631 	}
2632 	if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) {
2633 		DRM_DEBUG_KMS("composite sync not supported\n");
2634 	}
2635 
2636 	/* it is incorrect if hsync/vsync width is zero */
2637 	if (!hsync_pulse_width || !vsync_pulse_width) {
2638 		DRM_DEBUG_KMS("Incorrect Detailed timing. "
2639 				"Wrong Hsync/Vsync pulse width\n");
2640 		return NULL;
2641 	}
2642 
2643 	if (quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) {
2644 		mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false);
2645 		if (!mode)
2646 			return NULL;
2647 
2648 		goto set_size;
2649 	}
2650 
2651 	mode = drm_mode_create(dev);
2652 	if (!mode)
2653 		return NULL;
2654 
2655 	if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
2656 		timing->pixel_clock = cpu_to_le16(1088);
2657 
2658 	mode->clock = le16_to_cpu(timing->pixel_clock) * 10;
2659 
2660 	mode->hdisplay = hactive;
2661 	mode->hsync_start = mode->hdisplay + hsync_offset;
2662 	mode->hsync_end = mode->hsync_start + hsync_pulse_width;
2663 	mode->htotal = mode->hdisplay + hblank;
2664 
2665 	mode->vdisplay = vactive;
2666 	mode->vsync_start = mode->vdisplay + vsync_offset;
2667 	mode->vsync_end = mode->vsync_start + vsync_pulse_width;
2668 	mode->vtotal = mode->vdisplay + vblank;
2669 
2670 	/* Some EDIDs have bogus h/vtotal values */
2671 	if (mode->hsync_end > mode->htotal)
2672 		mode->htotal = mode->hsync_end + 1;
2673 	if (mode->vsync_end > mode->vtotal)
2674 		mode->vtotal = mode->vsync_end + 1;
2675 
2676 	drm_mode_do_interlace_quirk(mode, pt);
2677 
2678 	if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
2679 		pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE;
2680 	}
2681 
2682 	mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
2683 		DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
2684 	mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?
2685 		DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
2686 
2687 set_size:
2688 	mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4;
2689 	mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8;
2690 
2691 	if (quirks & EDID_QUIRK_DETAILED_IN_CM) {
2692 		mode->width_mm *= 10;
2693 		mode->height_mm *= 10;
2694 	}
2695 
2696 	if (quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) {
2697 		mode->width_mm = edid->width_cm * 10;
2698 		mode->height_mm = edid->height_cm * 10;
2699 	}
2700 
2701 	mode->type = DRM_MODE_TYPE_DRIVER;
2702 	drm_mode_set_name(mode);
2703 
2704 	return mode;
2705 }
2706 
2707 static bool
2708 mode_in_hsync_range(const struct drm_display_mode *mode,
2709 		    struct edid *edid, u8 *t)
2710 {
2711 	int hsync, hmin, hmax;
2712 
2713 	hmin = t[7];
2714 	if (edid->revision >= 4)
2715 	    hmin += ((t[4] & 0x04) ? 255 : 0);
2716 	hmax = t[8];
2717 	if (edid->revision >= 4)
2718 	    hmax += ((t[4] & 0x08) ? 255 : 0);
2719 	hsync = drm_mode_hsync(mode);
2720 
2721 	return (hsync <= hmax && hsync >= hmin);
2722 }
2723 
2724 static bool
2725 mode_in_vsync_range(const struct drm_display_mode *mode,
2726 		    struct edid *edid, u8 *t)
2727 {
2728 	int vsync, vmin, vmax;
2729 
2730 	vmin = t[5];
2731 	if (edid->revision >= 4)
2732 	    vmin += ((t[4] & 0x01) ? 255 : 0);
2733 	vmax = t[6];
2734 	if (edid->revision >= 4)
2735 	    vmax += ((t[4] & 0x02) ? 255 : 0);
2736 	vsync = drm_mode_vrefresh(mode);
2737 
2738 	return (vsync <= vmax && vsync >= vmin);
2739 }
2740 
2741 static u32
2742 range_pixel_clock(struct edid *edid, u8 *t)
2743 {
2744 	/* unspecified */
2745 	if (t[9] == 0 || t[9] == 255)
2746 		return 0;
2747 
2748 	/* 1.4 with CVT support gives us real precision, yay */
2749 	if (edid->revision >= 4 && t[10] == 0x04)
2750 		return (t[9] * 10000) - ((t[12] >> 2) * 250);
2751 
2752 	/* 1.3 is pathetic, so fuzz up a bit */
2753 	return t[9] * 10000 + 5001;
2754 }
2755 
2756 static bool
2757 mode_in_range(const struct drm_display_mode *mode, struct edid *edid,
2758 	      struct detailed_timing *timing)
2759 {
2760 	u32 max_clock;
2761 	u8 *t = (u8 *)timing;
2762 
2763 	if (!mode_in_hsync_range(mode, edid, t))
2764 		return false;
2765 
2766 	if (!mode_in_vsync_range(mode, edid, t))
2767 		return false;
2768 
2769 	if ((max_clock = range_pixel_clock(edid, t)))
2770 		if (mode->clock > max_clock)
2771 			return false;
2772 
2773 	/* 1.4 max horizontal check */
2774 	if (edid->revision >= 4 && t[10] == 0x04)
2775 		if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
2776 			return false;
2777 
2778 	if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid))
2779 		return false;
2780 
2781 	return true;
2782 }
2783 
2784 static bool valid_inferred_mode(const struct drm_connector *connector,
2785 				const struct drm_display_mode *mode)
2786 {
2787 	const struct drm_display_mode *m;
2788 	bool ok = false;
2789 
2790 	list_for_each_entry(m, &connector->probed_modes, head) {
2791 		if (mode->hdisplay == m->hdisplay &&
2792 		    mode->vdisplay == m->vdisplay &&
2793 		    drm_mode_vrefresh(mode) == drm_mode_vrefresh(m))
2794 			return false; /* duplicated */
2795 		if (mode->hdisplay <= m->hdisplay &&
2796 		    mode->vdisplay <= m->vdisplay)
2797 			ok = true;
2798 	}
2799 	return ok;
2800 }
2801 
2802 static int
2803 drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2804 			struct detailed_timing *timing)
2805 {
2806 	int i, modes = 0;
2807 	struct drm_display_mode *newmode;
2808 	struct drm_device *dev = connector->dev;
2809 
2810 	for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2811 		if (mode_in_range(drm_dmt_modes + i, edid, timing) &&
2812 		    valid_inferred_mode(connector, drm_dmt_modes + i)) {
2813 			newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
2814 			if (newmode) {
2815 				drm_mode_probed_add(connector, newmode);
2816 				modes++;
2817 			}
2818 		}
2819 	}
2820 
2821 	return modes;
2822 }
2823 
2824 /* fix up 1366x768 mode from 1368x768;
2825  * GFT/CVT can't express 1366 width which isn't dividable by 8
2826  */
2827 void drm_mode_fixup_1366x768(struct drm_display_mode *mode)
2828 {
2829 	if (mode->hdisplay == 1368 && mode->vdisplay == 768) {
2830 		mode->hdisplay = 1366;
2831 		mode->hsync_start--;
2832 		mode->hsync_end--;
2833 		drm_mode_set_name(mode);
2834 	}
2835 }
2836 
2837 static int
2838 drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid,
2839 			struct detailed_timing *timing)
2840 {
2841 	int i, modes = 0;
2842 	struct drm_display_mode *newmode;
2843 	struct drm_device *dev = connector->dev;
2844 
2845 	for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2846 		const struct minimode *m = &extra_modes[i];
2847 
2848 		newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0);
2849 		if (!newmode)
2850 			return modes;
2851 
2852 		drm_mode_fixup_1366x768(newmode);
2853 		if (!mode_in_range(newmode, edid, timing) ||
2854 		    !valid_inferred_mode(connector, newmode)) {
2855 			drm_mode_destroy(dev, newmode);
2856 			continue;
2857 		}
2858 
2859 		drm_mode_probed_add(connector, newmode);
2860 		modes++;
2861 	}
2862 
2863 	return modes;
2864 }
2865 
2866 static int
2867 drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2868 			struct detailed_timing *timing)
2869 {
2870 	int i, modes = 0;
2871 	struct drm_display_mode *newmode;
2872 	struct drm_device *dev = connector->dev;
2873 	bool rb = drm_monitor_supports_rb(edid);
2874 
2875 	for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2876 		const struct minimode *m = &extra_modes[i];
2877 
2878 		newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0);
2879 		if (!newmode)
2880 			return modes;
2881 
2882 		drm_mode_fixup_1366x768(newmode);
2883 		if (!mode_in_range(newmode, edid, timing) ||
2884 		    !valid_inferred_mode(connector, newmode)) {
2885 			drm_mode_destroy(dev, newmode);
2886 			continue;
2887 		}
2888 
2889 		drm_mode_probed_add(connector, newmode);
2890 		modes++;
2891 	}
2892 
2893 	return modes;
2894 }
2895 
2896 static void
2897 do_inferred_modes(struct detailed_timing *timing, void *c)
2898 {
2899 	struct detailed_mode_closure *closure = c;
2900 	struct detailed_non_pixel *data = &timing->data.other_data;
2901 	struct detailed_data_monitor_range *range = &data->data.range;
2902 
2903 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
2904 		return;
2905 
2906 	closure->modes += drm_dmt_modes_for_range(closure->connector,
2907 						  closure->edid,
2908 						  timing);
2909 
2910 	if (!version_greater(closure->edid, 1, 1))
2911 		return; /* GTF not defined yet */
2912 
2913 	switch (range->flags) {
2914 	case 0x02: /* secondary gtf, XXX could do more */
2915 	case 0x00: /* default gtf */
2916 		closure->modes += drm_gtf_modes_for_range(closure->connector,
2917 							  closure->edid,
2918 							  timing);
2919 		break;
2920 	case 0x04: /* cvt, only in 1.4+ */
2921 		if (!version_greater(closure->edid, 1, 3))
2922 			break;
2923 
2924 		closure->modes += drm_cvt_modes_for_range(closure->connector,
2925 							  closure->edid,
2926 							  timing);
2927 		break;
2928 	case 0x01: /* just the ranges, no formula */
2929 	default:
2930 		break;
2931 	}
2932 }
2933 
2934 static int
2935 add_inferred_modes(struct drm_connector *connector, struct edid *edid)
2936 {
2937 	struct detailed_mode_closure closure = {
2938 		.connector = connector,
2939 		.edid = edid,
2940 	};
2941 
2942 	if (version_greater(edid, 1, 0))
2943 		drm_for_each_detailed_block((u8 *)edid, do_inferred_modes,
2944 					    &closure);
2945 
2946 	return closure.modes;
2947 }
2948 
2949 static int
2950 drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing)
2951 {
2952 	int i, j, m, modes = 0;
2953 	struct drm_display_mode *mode;
2954 	u8 *est = ((u8 *)timing) + 6;
2955 
2956 	for (i = 0; i < 6; i++) {
2957 		for (j = 7; j >= 0; j--) {
2958 			m = (i * 8) + (7 - j);
2959 			if (m >= ARRAY_SIZE(est3_modes))
2960 				break;
2961 			if (est[i] & (1 << j)) {
2962 				mode = drm_mode_find_dmt(connector->dev,
2963 							 est3_modes[m].w,
2964 							 est3_modes[m].h,
2965 							 est3_modes[m].r,
2966 							 est3_modes[m].rb);
2967 				if (mode) {
2968 					drm_mode_probed_add(connector, mode);
2969 					modes++;
2970 				}
2971 			}
2972 		}
2973 	}
2974 
2975 	return modes;
2976 }
2977 
2978 static void
2979 do_established_modes(struct detailed_timing *timing, void *c)
2980 {
2981 	struct detailed_mode_closure *closure = c;
2982 
2983 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_EST_TIMINGS))
2984 		return;
2985 
2986 	closure->modes += drm_est3_modes(closure->connector, timing);
2987 }
2988 
2989 /**
2990  * add_established_modes - get est. modes from EDID and add them
2991  * @connector: connector to add mode(s) to
2992  * @edid: EDID block to scan
2993  *
2994  * Each EDID block contains a bitmap of the supported "established modes" list
2995  * (defined above).  Tease them out and add them to the global modes list.
2996  */
2997 static int
2998 add_established_modes(struct drm_connector *connector, struct edid *edid)
2999 {
3000 	struct drm_device *dev = connector->dev;
3001 	unsigned long est_bits = edid->established_timings.t1 |
3002 		(edid->established_timings.t2 << 8) |
3003 		((edid->established_timings.mfg_rsvd & 0x80) << 9);
3004 	int i, modes = 0;
3005 	struct detailed_mode_closure closure = {
3006 		.connector = connector,
3007 		.edid = edid,
3008 	};
3009 
3010 	for (i = 0; i <= EDID_EST_TIMINGS; i++) {
3011 		if (est_bits & (1<<i)) {
3012 			struct drm_display_mode *newmode;
3013 
3014 			newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
3015 			if (newmode) {
3016 				drm_mode_probed_add(connector, newmode);
3017 				modes++;
3018 			}
3019 		}
3020 	}
3021 
3022 	if (version_greater(edid, 1, 0))
3023 		    drm_for_each_detailed_block((u8 *)edid,
3024 						do_established_modes, &closure);
3025 
3026 	return modes + closure.modes;
3027 }
3028 
3029 static void
3030 do_standard_modes(struct detailed_timing *timing, void *c)
3031 {
3032 	struct detailed_mode_closure *closure = c;
3033 	struct detailed_non_pixel *data = &timing->data.other_data;
3034 	struct drm_connector *connector = closure->connector;
3035 	struct edid *edid = closure->edid;
3036 	int i;
3037 
3038 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_STD_MODES))
3039 		return;
3040 
3041 	for (i = 0; i < 6; i++) {
3042 		struct std_timing *std = &data->data.timings[i];
3043 		struct drm_display_mode *newmode;
3044 
3045 		newmode = drm_mode_std(connector, edid, std);
3046 		if (newmode) {
3047 			drm_mode_probed_add(connector, newmode);
3048 			closure->modes++;
3049 		}
3050 	}
3051 }
3052 
3053 /**
3054  * add_standard_modes - get std. modes from EDID and add them
3055  * @connector: connector to add mode(s) to
3056  * @edid: EDID block to scan
3057  *
3058  * Standard modes can be calculated using the appropriate standard (DMT,
3059  * GTF or CVT. Grab them from @edid and add them to the list.
3060  */
3061 static int
3062 add_standard_modes(struct drm_connector *connector, struct edid *edid)
3063 {
3064 	int i, modes = 0;
3065 	struct detailed_mode_closure closure = {
3066 		.connector = connector,
3067 		.edid = edid,
3068 	};
3069 
3070 	for (i = 0; i < EDID_STD_TIMINGS; i++) {
3071 		struct drm_display_mode *newmode;
3072 
3073 		newmode = drm_mode_std(connector, edid,
3074 				       &edid->standard_timings[i]);
3075 		if (newmode) {
3076 			drm_mode_probed_add(connector, newmode);
3077 			modes++;
3078 		}
3079 	}
3080 
3081 	if (version_greater(edid, 1, 0))
3082 		drm_for_each_detailed_block((u8 *)edid, do_standard_modes,
3083 					    &closure);
3084 
3085 	/* XXX should also look for standard codes in VTB blocks */
3086 
3087 	return modes + closure.modes;
3088 }
3089 
3090 static int drm_cvt_modes(struct drm_connector *connector,
3091 			 struct detailed_timing *timing)
3092 {
3093 	int i, j, modes = 0;
3094 	struct drm_display_mode *newmode;
3095 	struct drm_device *dev = connector->dev;
3096 	struct cvt_timing *cvt;
3097 	const int rates[] = { 60, 85, 75, 60, 50 };
3098 	const u8 empty[3] = { 0, 0, 0 };
3099 
3100 	for (i = 0; i < 4; i++) {
3101 		int width, height;
3102 
3103 		cvt = &(timing->data.other_data.data.cvt[i]);
3104 
3105 		if (!memcmp(cvt->code, empty, 3))
3106 			continue;
3107 
3108 		height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;
3109 		switch (cvt->code[1] & 0x0c) {
3110 		/* default - because compiler doesn't see that we've enumerated all cases */
3111 		default:
3112 		case 0x00:
3113 			width = height * 4 / 3;
3114 			break;
3115 		case 0x04:
3116 			width = height * 16 / 9;
3117 			break;
3118 		case 0x08:
3119 			width = height * 16 / 10;
3120 			break;
3121 		case 0x0c:
3122 			width = height * 15 / 9;
3123 			break;
3124 		}
3125 
3126 		for (j = 1; j < 5; j++) {
3127 			if (cvt->code[2] & (1 << j)) {
3128 				newmode = drm_cvt_mode(dev, width, height,
3129 						       rates[j], j == 0,
3130 						       false, false);
3131 				if (newmode) {
3132 					drm_mode_probed_add(connector, newmode);
3133 					modes++;
3134 				}
3135 			}
3136 		}
3137 	}
3138 
3139 	return modes;
3140 }
3141 
3142 static void
3143 do_cvt_mode(struct detailed_timing *timing, void *c)
3144 {
3145 	struct detailed_mode_closure *closure = c;
3146 
3147 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_CVT_3BYTE))
3148 		return;
3149 
3150 	closure->modes += drm_cvt_modes(closure->connector, timing);
3151 }
3152 
3153 static int
3154 add_cvt_modes(struct drm_connector *connector, struct edid *edid)
3155 {
3156 	struct detailed_mode_closure closure = {
3157 		.connector = connector,
3158 		.edid = edid,
3159 	};
3160 
3161 	if (version_greater(edid, 1, 2))
3162 		drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure);
3163 
3164 	/* XXX should also look for CVT codes in VTB blocks */
3165 
3166 	return closure.modes;
3167 }
3168 
3169 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode);
3170 
3171 static void
3172 do_detailed_mode(struct detailed_timing *timing, void *c)
3173 {
3174 	struct detailed_mode_closure *closure = c;
3175 	struct drm_display_mode *newmode;
3176 
3177 	if (!is_detailed_timing_descriptor((const u8 *)timing))
3178 		return;
3179 
3180 	newmode = drm_mode_detailed(closure->connector->dev,
3181 				    closure->edid, timing,
3182 				    closure->quirks);
3183 	if (!newmode)
3184 		return;
3185 
3186 	if (closure->preferred)
3187 		newmode->type |= DRM_MODE_TYPE_PREFERRED;
3188 
3189 	/*
3190 	 * Detailed modes are limited to 10kHz pixel clock resolution,
3191 	 * so fix up anything that looks like CEA/HDMI mode, but the clock
3192 	 * is just slightly off.
3193 	 */
3194 	fixup_detailed_cea_mode_clock(newmode);
3195 
3196 	drm_mode_probed_add(closure->connector, newmode);
3197 	closure->modes++;
3198 	closure->preferred = false;
3199 }
3200 
3201 /*
3202  * add_detailed_modes - Add modes from detailed timings
3203  * @connector: attached connector
3204  * @edid: EDID block to scan
3205  * @quirks: quirks to apply
3206  */
3207 static int
3208 add_detailed_modes(struct drm_connector *connector, struct edid *edid,
3209 		   u32 quirks)
3210 {
3211 	struct detailed_mode_closure closure = {
3212 		.connector = connector,
3213 		.edid = edid,
3214 		.preferred = true,
3215 		.quirks = quirks,
3216 	};
3217 
3218 	if (closure.preferred && !version_greater(edid, 1, 3))
3219 		closure.preferred =
3220 		    (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
3221 
3222 	drm_for_each_detailed_block((u8 *)edid, do_detailed_mode, &closure);
3223 
3224 	return closure.modes;
3225 }
3226 
3227 #define AUDIO_BLOCK	0x01
3228 #define VIDEO_BLOCK     0x02
3229 #define VENDOR_BLOCK    0x03
3230 #define SPEAKER_BLOCK	0x04
3231 #define HDR_STATIC_METADATA_BLOCK	0x6
3232 #define USE_EXTENDED_TAG 0x07
3233 #define EXT_VIDEO_CAPABILITY_BLOCK 0x00
3234 #define EXT_VIDEO_DATA_BLOCK_420	0x0E
3235 #define EXT_VIDEO_CAP_BLOCK_Y420CMDB 0x0F
3236 #define EDID_BASIC_AUDIO	(1 << 6)
3237 #define EDID_CEA_YCRCB444	(1 << 5)
3238 #define EDID_CEA_YCRCB422	(1 << 4)
3239 #define EDID_CEA_VCDB_QS	(1 << 6)
3240 
3241 /*
3242  * Search EDID for CEA extension block.
3243  */
3244 static u8 *drm_find_edid_extension(const struct edid *edid,
3245 				   int ext_id, int *ext_index)
3246 {
3247 	u8 *edid_ext = NULL;
3248 	int i;
3249 
3250 	/* No EDID or EDID extensions */
3251 	if (edid == NULL || edid->extensions == 0)
3252 		return NULL;
3253 
3254 	/* Find CEA extension */
3255 	for (i = *ext_index; i < edid->extensions; i++) {
3256 		edid_ext = (u8 *)edid + EDID_LENGTH * (i + 1);
3257 		if (edid_ext[0] == ext_id)
3258 			break;
3259 	}
3260 
3261 	if (i >= edid->extensions)
3262 		return NULL;
3263 
3264 	*ext_index = i + 1;
3265 
3266 	return edid_ext;
3267 }
3268 
3269 
3270 static u8 *drm_find_displayid_extension(const struct edid *edid,
3271 					int *length, int *idx,
3272 					int *ext_index)
3273 {
3274 	u8 *displayid = drm_find_edid_extension(edid, DISPLAYID_EXT, ext_index);
3275 	struct displayid_hdr *base;
3276 	int ret;
3277 
3278 	if (!displayid)
3279 		return NULL;
3280 
3281 	/* EDID extensions block checksum isn't for us */
3282 	*length = EDID_LENGTH - 1;
3283 	*idx = 1;
3284 
3285 	ret = validate_displayid(displayid, *length, *idx);
3286 	if (ret)
3287 		return NULL;
3288 
3289 	base = (struct displayid_hdr *)&displayid[*idx];
3290 	*length = *idx + sizeof(*base) + base->bytes;
3291 
3292 	return displayid;
3293 }
3294 
3295 static u8 *drm_find_cea_extension(const struct edid *edid)
3296 {
3297 	int length, idx;
3298 	struct displayid_block *block;
3299 	u8 *cea;
3300 	u8 *displayid;
3301 	int ext_index;
3302 
3303 	/* Look for a top level CEA extension block */
3304 	/* FIXME: make callers iterate through multiple CEA ext blocks? */
3305 	ext_index = 0;
3306 	cea = drm_find_edid_extension(edid, CEA_EXT, &ext_index);
3307 	if (cea)
3308 		return cea;
3309 
3310 	/* CEA blocks can also be found embedded in a DisplayID block */
3311 	ext_index = 0;
3312 	for (;;) {
3313 		displayid = drm_find_displayid_extension(edid, &length, &idx,
3314 							 &ext_index);
3315 		if (!displayid)
3316 			return NULL;
3317 
3318 		idx += sizeof(struct displayid_hdr);
3319 		for_each_displayid_db(displayid, block, idx, length) {
3320 			if (block->tag == DATA_BLOCK_CTA)
3321 				return (u8 *)block;
3322 		}
3323 	}
3324 
3325 	return NULL;
3326 }
3327 
3328 static __always_inline const struct drm_display_mode *cea_mode_for_vic(u8 vic)
3329 {
3330 	BUILD_BUG_ON(1 + ARRAY_SIZE(edid_cea_modes_1) - 1 != 127);
3331 	BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 219);
3332 
3333 	if (vic >= 1 && vic < 1 + ARRAY_SIZE(edid_cea_modes_1))
3334 		return &edid_cea_modes_1[vic - 1];
3335 	if (vic >= 193 && vic < 193 + ARRAY_SIZE(edid_cea_modes_193))
3336 		return &edid_cea_modes_193[vic - 193];
3337 	return NULL;
3338 }
3339 
3340 static u8 cea_num_vics(void)
3341 {
3342 	return 193 + ARRAY_SIZE(edid_cea_modes_193);
3343 }
3344 
3345 static u8 cea_next_vic(u8 vic)
3346 {
3347 	if (++vic == 1 + ARRAY_SIZE(edid_cea_modes_1))
3348 		vic = 193;
3349 	return vic;
3350 }
3351 
3352 /*
3353  * Calculate the alternate clock for the CEA mode
3354  * (60Hz vs. 59.94Hz etc.)
3355  */
3356 static unsigned int
3357 cea_mode_alternate_clock(const struct drm_display_mode *cea_mode)
3358 {
3359 	unsigned int clock = cea_mode->clock;
3360 
3361 	if (drm_mode_vrefresh(cea_mode) % 6 != 0)
3362 		return clock;
3363 
3364 	/*
3365 	 * edid_cea_modes contains the 59.94Hz
3366 	 * variant for 240 and 480 line modes,
3367 	 * and the 60Hz variant otherwise.
3368 	 */
3369 	if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480)
3370 		clock = DIV_ROUND_CLOSEST(clock * 1001, 1000);
3371 	else
3372 		clock = DIV_ROUND_CLOSEST(clock * 1000, 1001);
3373 
3374 	return clock;
3375 }
3376 
3377 static bool
3378 cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode)
3379 {
3380 	/*
3381 	 * For certain VICs the spec allows the vertical
3382 	 * front porch to vary by one or two lines.
3383 	 *
3384 	 * cea_modes[] stores the variant with the shortest
3385 	 * vertical front porch. We can adjust the mode to
3386 	 * get the other variants by simply increasing the
3387 	 * vertical front porch length.
3388 	 */
3389 	BUILD_BUG_ON(cea_mode_for_vic(8)->vtotal != 262 ||
3390 		     cea_mode_for_vic(9)->vtotal != 262 ||
3391 		     cea_mode_for_vic(12)->vtotal != 262 ||
3392 		     cea_mode_for_vic(13)->vtotal != 262 ||
3393 		     cea_mode_for_vic(23)->vtotal != 312 ||
3394 		     cea_mode_for_vic(24)->vtotal != 312 ||
3395 		     cea_mode_for_vic(27)->vtotal != 312 ||
3396 		     cea_mode_for_vic(28)->vtotal != 312);
3397 
3398 	if (((vic == 8 || vic == 9 ||
3399 	      vic == 12 || vic == 13) && mode->vtotal < 263) ||
3400 	    ((vic == 23 || vic == 24 ||
3401 	      vic == 27 || vic == 28) && mode->vtotal < 314)) {
3402 		mode->vsync_start++;
3403 		mode->vsync_end++;
3404 		mode->vtotal++;
3405 
3406 		return true;
3407 	}
3408 
3409 	return false;
3410 }
3411 
3412 static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match,
3413 					     unsigned int clock_tolerance)
3414 {
3415 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3416 	u8 vic;
3417 
3418 	if (!to_match->clock)
3419 		return 0;
3420 
3421 	if (to_match->picture_aspect_ratio)
3422 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3423 
3424 	for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3425 		struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3426 		unsigned int clock1, clock2;
3427 
3428 		/* Check both 60Hz and 59.94Hz */
3429 		clock1 = cea_mode.clock;
3430 		clock2 = cea_mode_alternate_clock(&cea_mode);
3431 
3432 		if (abs(to_match->clock - clock1) > clock_tolerance &&
3433 		    abs(to_match->clock - clock2) > clock_tolerance)
3434 			continue;
3435 
3436 		do {
3437 			if (drm_mode_match(to_match, &cea_mode, match_flags))
3438 				return vic;
3439 		} while (cea_mode_alternate_timings(vic, &cea_mode));
3440 	}
3441 
3442 	return 0;
3443 }
3444 
3445 /**
3446  * drm_match_cea_mode - look for a CEA mode matching given mode
3447  * @to_match: display mode
3448  *
3449  * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
3450  * mode.
3451  */
3452 u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
3453 {
3454 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3455 	u8 vic;
3456 
3457 	if (!to_match->clock)
3458 		return 0;
3459 
3460 	if (to_match->picture_aspect_ratio)
3461 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3462 
3463 	for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3464 		struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3465 		unsigned int clock1, clock2;
3466 
3467 		/* Check both 60Hz and 59.94Hz */
3468 		clock1 = cea_mode.clock;
3469 		clock2 = cea_mode_alternate_clock(&cea_mode);
3470 
3471 		if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) &&
3472 		    KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2))
3473 			continue;
3474 
3475 		do {
3476 			if (drm_mode_match(to_match, &cea_mode, match_flags))
3477 				return vic;
3478 		} while (cea_mode_alternate_timings(vic, &cea_mode));
3479 	}
3480 
3481 	return 0;
3482 }
3483 EXPORT_SYMBOL(drm_match_cea_mode);
3484 
3485 static bool drm_valid_cea_vic(u8 vic)
3486 {
3487 	return cea_mode_for_vic(vic) != NULL;
3488 }
3489 
3490 static enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code)
3491 {
3492 	const struct drm_display_mode *mode = cea_mode_for_vic(video_code);
3493 
3494 	if (mode)
3495 		return mode->picture_aspect_ratio;
3496 
3497 	return HDMI_PICTURE_ASPECT_NONE;
3498 }
3499 
3500 static enum hdmi_picture_aspect drm_get_hdmi_aspect_ratio(const u8 video_code)
3501 {
3502 	return edid_4k_modes[video_code].picture_aspect_ratio;
3503 }
3504 
3505 /*
3506  * Calculate the alternate clock for HDMI modes (those from the HDMI vendor
3507  * specific block).
3508  */
3509 static unsigned int
3510 hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode)
3511 {
3512 	return cea_mode_alternate_clock(hdmi_mode);
3513 }
3514 
3515 static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match,
3516 					      unsigned int clock_tolerance)
3517 {
3518 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3519 	u8 vic;
3520 
3521 	if (!to_match->clock)
3522 		return 0;
3523 
3524 	if (to_match->picture_aspect_ratio)
3525 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3526 
3527 	for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3528 		const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3529 		unsigned int clock1, clock2;
3530 
3531 		/* Make sure to also match alternate clocks */
3532 		clock1 = hdmi_mode->clock;
3533 		clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3534 
3535 		if (abs(to_match->clock - clock1) > clock_tolerance &&
3536 		    abs(to_match->clock - clock2) > clock_tolerance)
3537 			continue;
3538 
3539 		if (drm_mode_match(to_match, hdmi_mode, match_flags))
3540 			return vic;
3541 	}
3542 
3543 	return 0;
3544 }
3545 
3546 /*
3547  * drm_match_hdmi_mode - look for a HDMI mode matching given mode
3548  * @to_match: display mode
3549  *
3550  * An HDMI mode is one defined in the HDMI vendor specific block.
3551  *
3552  * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one.
3553  */
3554 static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match)
3555 {
3556 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3557 	u8 vic;
3558 
3559 	if (!to_match->clock)
3560 		return 0;
3561 
3562 	if (to_match->picture_aspect_ratio)
3563 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3564 
3565 	for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3566 		const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3567 		unsigned int clock1, clock2;
3568 
3569 		/* Make sure to also match alternate clocks */
3570 		clock1 = hdmi_mode->clock;
3571 		clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3572 
3573 		if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||
3574 		     KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&
3575 		    drm_mode_match(to_match, hdmi_mode, match_flags))
3576 			return vic;
3577 	}
3578 	return 0;
3579 }
3580 
3581 static bool drm_valid_hdmi_vic(u8 vic)
3582 {
3583 	return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes);
3584 }
3585 
3586 static int
3587 add_alternate_cea_modes(struct drm_connector *connector, struct edid *edid)
3588 {
3589 	struct drm_device *dev = connector->dev;
3590 	struct drm_display_mode *mode, *tmp;
3591 	LIST_HEAD(list);
3592 	int modes = 0;
3593 
3594 	/* Don't add CEA modes if the CEA extension block is missing */
3595 	if (!drm_find_cea_extension(edid))
3596 		return 0;
3597 
3598 	/*
3599 	 * Go through all probed modes and create a new mode
3600 	 * with the alternate clock for certain CEA modes.
3601 	 */
3602 	list_for_each_entry(mode, &connector->probed_modes, head) {
3603 		const struct drm_display_mode *cea_mode = NULL;
3604 		struct drm_display_mode *newmode;
3605 		u8 vic = drm_match_cea_mode(mode);
3606 		unsigned int clock1, clock2;
3607 
3608 		if (drm_valid_cea_vic(vic)) {
3609 			cea_mode = cea_mode_for_vic(vic);
3610 			clock2 = cea_mode_alternate_clock(cea_mode);
3611 		} else {
3612 			vic = drm_match_hdmi_mode(mode);
3613 			if (drm_valid_hdmi_vic(vic)) {
3614 				cea_mode = &edid_4k_modes[vic];
3615 				clock2 = hdmi_mode_alternate_clock(cea_mode);
3616 			}
3617 		}
3618 
3619 		if (!cea_mode)
3620 			continue;
3621 
3622 		clock1 = cea_mode->clock;
3623 
3624 		if (clock1 == clock2)
3625 			continue;
3626 
3627 		if (mode->clock != clock1 && mode->clock != clock2)
3628 			continue;
3629 
3630 		newmode = drm_mode_duplicate(dev, cea_mode);
3631 		if (!newmode)
3632 			continue;
3633 
3634 		/* Carry over the stereo flags */
3635 		newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK;
3636 
3637 		/*
3638 		 * The current mode could be either variant. Make
3639 		 * sure to pick the "other" clock for the new mode.
3640 		 */
3641 		if (mode->clock != clock1)
3642 			newmode->clock = clock1;
3643 		else
3644 			newmode->clock = clock2;
3645 
3646 		list_add_tail(&newmode->head, &list);
3647 	}
3648 
3649 	list_for_each_entry_safe(mode, tmp, &list, head) {
3650 		list_del(&mode->head);
3651 		drm_mode_probed_add(connector, mode);
3652 		modes++;
3653 	}
3654 
3655 	return modes;
3656 }
3657 
3658 static u8 svd_to_vic(u8 svd)
3659 {
3660 	/* 0-6 bit vic, 7th bit native mode indicator */
3661 	if ((svd >= 1 &&  svd <= 64) || (svd >= 129 && svd <= 192))
3662 		return svd & 127;
3663 
3664 	return svd;
3665 }
3666 
3667 static struct drm_display_mode *
3668 drm_display_mode_from_vic_index(struct drm_connector *connector,
3669 				const u8 *video_db, u8 video_len,
3670 				u8 video_index)
3671 {
3672 	struct drm_device *dev = connector->dev;
3673 	struct drm_display_mode *newmode;
3674 	u8 vic;
3675 
3676 	if (video_db == NULL || video_index >= video_len)
3677 		return NULL;
3678 
3679 	/* CEA modes are numbered 1..127 */
3680 	vic = svd_to_vic(video_db[video_index]);
3681 	if (!drm_valid_cea_vic(vic))
3682 		return NULL;
3683 
3684 	newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3685 	if (!newmode)
3686 		return NULL;
3687 
3688 	return newmode;
3689 }
3690 
3691 /*
3692  * do_y420vdb_modes - Parse YCBCR 420 only modes
3693  * @connector: connector corresponding to the HDMI sink
3694  * @svds: start of the data block of CEA YCBCR 420 VDB
3695  * @len: length of the CEA YCBCR 420 VDB
3696  *
3697  * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB)
3698  * which contains modes which can be supported in YCBCR 420
3699  * output format only.
3700  */
3701 static int do_y420vdb_modes(struct drm_connector *connector,
3702 			    const u8 *svds, u8 svds_len)
3703 {
3704 	int modes = 0, i;
3705 	struct drm_device *dev = connector->dev;
3706 	struct drm_display_info *info = &connector->display_info;
3707 	struct drm_hdmi_info *hdmi = &info->hdmi;
3708 
3709 	for (i = 0; i < svds_len; i++) {
3710 		u8 vic = svd_to_vic(svds[i]);
3711 		struct drm_display_mode *newmode;
3712 
3713 		if (!drm_valid_cea_vic(vic))
3714 			continue;
3715 
3716 		newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3717 		if (!newmode)
3718 			break;
3719 		bitmap_set(hdmi->y420_vdb_modes, vic, 1);
3720 		drm_mode_probed_add(connector, newmode);
3721 		modes++;
3722 	}
3723 
3724 	if (modes > 0)
3725 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
3726 	return modes;
3727 }
3728 
3729 /*
3730  * drm_add_cmdb_modes - Add a YCBCR 420 mode into bitmap
3731  * @connector: connector corresponding to the HDMI sink
3732  * @vic: CEA vic for the video mode to be added in the map
3733  *
3734  * Makes an entry for a videomode in the YCBCR 420 bitmap
3735  */
3736 static void
3737 drm_add_cmdb_modes(struct drm_connector *connector, u8 svd)
3738 {
3739 	u8 vic = svd_to_vic(svd);
3740 	struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3741 
3742 	if (!drm_valid_cea_vic(vic))
3743 		return;
3744 
3745 	bitmap_set(hdmi->y420_cmdb_modes, vic, 1);
3746 }
3747 
3748 /**
3749  * drm_display_mode_from_cea_vic() - return a mode for CEA VIC
3750  * @dev: DRM device
3751  * @video_code: CEA VIC of the mode
3752  *
3753  * Creates a new mode matching the specified CEA VIC.
3754  *
3755  * Returns: A new drm_display_mode on success or NULL on failure
3756  */
3757 struct drm_display_mode *
3758 drm_display_mode_from_cea_vic(struct drm_device *dev,
3759 			      u8 video_code)
3760 {
3761 	const struct drm_display_mode *cea_mode;
3762 	struct drm_display_mode *newmode;
3763 
3764 	cea_mode = cea_mode_for_vic(video_code);
3765 	if (!cea_mode)
3766 		return NULL;
3767 
3768 	newmode = drm_mode_duplicate(dev, cea_mode);
3769 	if (!newmode)
3770 		return NULL;
3771 
3772 	return newmode;
3773 }
3774 EXPORT_SYMBOL(drm_display_mode_from_cea_vic);
3775 
3776 static int
3777 do_cea_modes(struct drm_connector *connector, const u8 *db, u8 len)
3778 {
3779 	int i, modes = 0;
3780 	struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3781 
3782 	for (i = 0; i < len; i++) {
3783 		struct drm_display_mode *mode;
3784 
3785 		mode = drm_display_mode_from_vic_index(connector, db, len, i);
3786 		if (mode) {
3787 			/*
3788 			 * YCBCR420 capability block contains a bitmap which
3789 			 * gives the index of CEA modes from CEA VDB, which
3790 			 * can support YCBCR 420 sampling output also (apart
3791 			 * from RGB/YCBCR444 etc).
3792 			 * For example, if the bit 0 in bitmap is set,
3793 			 * first mode in VDB can support YCBCR420 output too.
3794 			 * Add YCBCR420 modes only if sink is HDMI 2.0 capable.
3795 			 */
3796 			if (i < 64 && hdmi->y420_cmdb_map & (1ULL << i))
3797 				drm_add_cmdb_modes(connector, db[i]);
3798 
3799 			drm_mode_probed_add(connector, mode);
3800 			modes++;
3801 		}
3802 	}
3803 
3804 	return modes;
3805 }
3806 
3807 struct stereo_mandatory_mode {
3808 	int width, height, vrefresh;
3809 	unsigned int flags;
3810 };
3811 
3812 static const struct stereo_mandatory_mode stereo_mandatory_modes[] = {
3813 	{ 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3814 	{ 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING },
3815 	{ 1920, 1080, 50,
3816 	  DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3817 	{ 1920, 1080, 60,
3818 	  DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3819 	{ 1280, 720,  50, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3820 	{ 1280, 720,  50, DRM_MODE_FLAG_3D_FRAME_PACKING },
3821 	{ 1280, 720,  60, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3822 	{ 1280, 720,  60, DRM_MODE_FLAG_3D_FRAME_PACKING }
3823 };
3824 
3825 static bool
3826 stereo_match_mandatory(const struct drm_display_mode *mode,
3827 		       const struct stereo_mandatory_mode *stereo_mode)
3828 {
3829 	unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;
3830 
3831 	return mode->hdisplay == stereo_mode->width &&
3832 	       mode->vdisplay == stereo_mode->height &&
3833 	       interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) &&
3834 	       drm_mode_vrefresh(mode) == stereo_mode->vrefresh;
3835 }
3836 
3837 static int add_hdmi_mandatory_stereo_modes(struct drm_connector *connector)
3838 {
3839 	struct drm_device *dev = connector->dev;
3840 	const struct drm_display_mode *mode;
3841 	struct list_head stereo_modes;
3842 	int modes = 0, i;
3843 
3844 	INIT_LIST_HEAD(&stereo_modes);
3845 
3846 	list_for_each_entry(mode, &connector->probed_modes, head) {
3847 		for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) {
3848 			const struct stereo_mandatory_mode *mandatory;
3849 			struct drm_display_mode *new_mode;
3850 
3851 			if (!stereo_match_mandatory(mode,
3852 						    &stereo_mandatory_modes[i]))
3853 				continue;
3854 
3855 			mandatory = &stereo_mandatory_modes[i];
3856 			new_mode = drm_mode_duplicate(dev, mode);
3857 			if (!new_mode)
3858 				continue;
3859 
3860 			new_mode->flags |= mandatory->flags;
3861 			list_add_tail(&new_mode->head, &stereo_modes);
3862 			modes++;
3863 		}
3864 	}
3865 
3866 	list_splice_tail(&stereo_modes, &connector->probed_modes);
3867 
3868 	return modes;
3869 }
3870 
3871 static int add_hdmi_mode(struct drm_connector *connector, u8 vic)
3872 {
3873 	struct drm_device *dev = connector->dev;
3874 	struct drm_display_mode *newmode;
3875 
3876 	if (!drm_valid_hdmi_vic(vic)) {
3877 		DRM_ERROR("Unknown HDMI VIC: %d\n", vic);
3878 		return 0;
3879 	}
3880 
3881 	newmode = drm_mode_duplicate(dev, &edid_4k_modes[vic]);
3882 	if (!newmode)
3883 		return 0;
3884 
3885 	drm_mode_probed_add(connector, newmode);
3886 
3887 	return 1;
3888 }
3889 
3890 static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
3891 			       const u8 *video_db, u8 video_len, u8 video_index)
3892 {
3893 	struct drm_display_mode *newmode;
3894 	int modes = 0;
3895 
3896 	if (structure & (1 << 0)) {
3897 		newmode = drm_display_mode_from_vic_index(connector, video_db,
3898 							  video_len,
3899 							  video_index);
3900 		if (newmode) {
3901 			newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING;
3902 			drm_mode_probed_add(connector, newmode);
3903 			modes++;
3904 		}
3905 	}
3906 	if (structure & (1 << 6)) {
3907 		newmode = drm_display_mode_from_vic_index(connector, video_db,
3908 							  video_len,
3909 							  video_index);
3910 		if (newmode) {
3911 			newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
3912 			drm_mode_probed_add(connector, newmode);
3913 			modes++;
3914 		}
3915 	}
3916 	if (structure & (1 << 8)) {
3917 		newmode = drm_display_mode_from_vic_index(connector, video_db,
3918 							  video_len,
3919 							  video_index);
3920 		if (newmode) {
3921 			newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3922 			drm_mode_probed_add(connector, newmode);
3923 			modes++;
3924 		}
3925 	}
3926 
3927 	return modes;
3928 }
3929 
3930 /*
3931  * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block
3932  * @connector: connector corresponding to the HDMI sink
3933  * @db: start of the CEA vendor specific block
3934  * @len: length of the CEA block payload, ie. one can access up to db[len]
3935  *
3936  * Parses the HDMI VSDB looking for modes to add to @connector. This function
3937  * also adds the stereo 3d modes when applicable.
3938  */
3939 static int
3940 do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len,
3941 		   const u8 *video_db, u8 video_len)
3942 {
3943 	struct drm_display_info *info = &connector->display_info;
3944 	int modes = 0, offset = 0, i, multi_present = 0, multi_len;
3945 	u8 vic_len, hdmi_3d_len = 0;
3946 	u16 mask;
3947 	u16 structure_all;
3948 
3949 	if (len < 8)
3950 		goto out;
3951 
3952 	/* no HDMI_Video_Present */
3953 	if (!(db[8] & (1 << 5)))
3954 		goto out;
3955 
3956 	/* Latency_Fields_Present */
3957 	if (db[8] & (1 << 7))
3958 		offset += 2;
3959 
3960 	/* I_Latency_Fields_Present */
3961 	if (db[8] & (1 << 6))
3962 		offset += 2;
3963 
3964 	/* the declared length is not long enough for the 2 first bytes
3965 	 * of additional video format capabilities */
3966 	if (len < (8 + offset + 2))
3967 		goto out;
3968 
3969 	/* 3D_Present */
3970 	offset++;
3971 	if (db[8 + offset] & (1 << 7)) {
3972 		modes += add_hdmi_mandatory_stereo_modes(connector);
3973 
3974 		/* 3D_Multi_present */
3975 		multi_present = (db[8 + offset] & 0x60) >> 5;
3976 	}
3977 
3978 	offset++;
3979 	vic_len = db[8 + offset] >> 5;
3980 	hdmi_3d_len = db[8 + offset] & 0x1f;
3981 
3982 	for (i = 0; i < vic_len && len >= (9 + offset + i); i++) {
3983 		u8 vic;
3984 
3985 		vic = db[9 + offset + i];
3986 		modes += add_hdmi_mode(connector, vic);
3987 	}
3988 	offset += 1 + vic_len;
3989 
3990 	if (multi_present == 1)
3991 		multi_len = 2;
3992 	else if (multi_present == 2)
3993 		multi_len = 4;
3994 	else
3995 		multi_len = 0;
3996 
3997 	if (len < (8 + offset + hdmi_3d_len - 1))
3998 		goto out;
3999 
4000 	if (hdmi_3d_len < multi_len)
4001 		goto out;
4002 
4003 	if (multi_present == 1 || multi_present == 2) {
4004 		/* 3D_Structure_ALL */
4005 		structure_all = (db[8 + offset] << 8) | db[9 + offset];
4006 
4007 		/* check if 3D_MASK is present */
4008 		if (multi_present == 2)
4009 			mask = (db[10 + offset] << 8) | db[11 + offset];
4010 		else
4011 			mask = 0xffff;
4012 
4013 		for (i = 0; i < 16; i++) {
4014 			if (mask & (1 << i))
4015 				modes += add_3d_struct_modes(connector,
4016 						structure_all,
4017 						video_db,
4018 						video_len, i);
4019 		}
4020 	}
4021 
4022 	offset += multi_len;
4023 
4024 	for (i = 0; i < (hdmi_3d_len - multi_len); i++) {
4025 		int vic_index;
4026 		struct drm_display_mode *newmode = NULL;
4027 		unsigned int newflag = 0;
4028 		bool detail_present;
4029 
4030 		detail_present = ((db[8 + offset + i] & 0x0f) > 7);
4031 
4032 		if (detail_present && (i + 1 == hdmi_3d_len - multi_len))
4033 			break;
4034 
4035 		/* 2D_VIC_order_X */
4036 		vic_index = db[8 + offset + i] >> 4;
4037 
4038 		/* 3D_Structure_X */
4039 		switch (db[8 + offset + i] & 0x0f) {
4040 		case 0:
4041 			newflag = DRM_MODE_FLAG_3D_FRAME_PACKING;
4042 			break;
4043 		case 6:
4044 			newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
4045 			break;
4046 		case 8:
4047 			/* 3D_Detail_X */
4048 			if ((db[9 + offset + i] >> 4) == 1)
4049 				newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
4050 			break;
4051 		}
4052 
4053 		if (newflag != 0) {
4054 			newmode = drm_display_mode_from_vic_index(connector,
4055 								  video_db,
4056 								  video_len,
4057 								  vic_index);
4058 
4059 			if (newmode) {
4060 				newmode->flags |= newflag;
4061 				drm_mode_probed_add(connector, newmode);
4062 				modes++;
4063 			}
4064 		}
4065 
4066 		if (detail_present)
4067 			i++;
4068 	}
4069 
4070 out:
4071 	if (modes > 0)
4072 		info->has_hdmi_infoframe = true;
4073 	return modes;
4074 }
4075 
4076 static int
4077 cea_db_payload_len(const u8 *db)
4078 {
4079 	return db[0] & 0x1f;
4080 }
4081 
4082 static int
4083 cea_db_extended_tag(const u8 *db)
4084 {
4085 	return db[1];
4086 }
4087 
4088 static int
4089 cea_db_tag(const u8 *db)
4090 {
4091 	return db[0] >> 5;
4092 }
4093 
4094 static int
4095 cea_revision(const u8 *cea)
4096 {
4097 	/*
4098 	 * FIXME is this correct for the DispID variant?
4099 	 * The DispID spec doesn't really specify whether
4100 	 * this is the revision of the CEA extension or
4101 	 * the DispID CEA data block. And the only value
4102 	 * given as an example is 0.
4103 	 */
4104 	return cea[1];
4105 }
4106 
4107 static int
4108 cea_db_offsets(const u8 *cea, int *start, int *end)
4109 {
4110 	/* DisplayID CTA extension blocks and top-level CEA EDID
4111 	 * block header definitions differ in the following bytes:
4112 	 *   1) Byte 2 of the header specifies length differently,
4113 	 *   2) Byte 3 is only present in the CEA top level block.
4114 	 *
4115 	 * The different definitions for byte 2 follow.
4116 	 *
4117 	 * DisplayID CTA extension block defines byte 2 as:
4118 	 *   Number of payload bytes
4119 	 *
4120 	 * CEA EDID block defines byte 2 as:
4121 	 *   Byte number (decimal) within this block where the 18-byte
4122 	 *   DTDs begin. If no non-DTD data is present in this extension
4123 	 *   block, the value should be set to 04h (the byte after next).
4124 	 *   If set to 00h, there are no DTDs present in this block and
4125 	 *   no non-DTD data.
4126 	 */
4127 	if (cea[0] == DATA_BLOCK_CTA) {
4128 		/*
4129 		 * for_each_displayid_db() has already verified
4130 		 * that these stay within expected bounds.
4131 		 */
4132 		*start = 3;
4133 		*end = *start + cea[2];
4134 	} else if (cea[0] == CEA_EXT) {
4135 		/* Data block offset in CEA extension block */
4136 		*start = 4;
4137 		*end = cea[2];
4138 		if (*end == 0)
4139 			*end = 127;
4140 		if (*end < 4 || *end > 127)
4141 			return -ERANGE;
4142 	} else {
4143 		return -EOPNOTSUPP;
4144 	}
4145 
4146 	return 0;
4147 }
4148 
4149 static bool cea_db_is_hdmi_vsdb(const u8 *db)
4150 {
4151 	int hdmi_id;
4152 
4153 	if (cea_db_tag(db) != VENDOR_BLOCK)
4154 		return false;
4155 
4156 	if (cea_db_payload_len(db) < 5)
4157 		return false;
4158 
4159 	hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16);
4160 
4161 	return hdmi_id == HDMI_IEEE_OUI;
4162 }
4163 
4164 static bool cea_db_is_hdmi_forum_vsdb(const u8 *db)
4165 {
4166 	unsigned int oui;
4167 
4168 	if (cea_db_tag(db) != VENDOR_BLOCK)
4169 		return false;
4170 
4171 	if (cea_db_payload_len(db) < 7)
4172 		return false;
4173 
4174 	oui = db[3] << 16 | db[2] << 8 | db[1];
4175 
4176 	return oui == HDMI_FORUM_IEEE_OUI;
4177 }
4178 
4179 static bool cea_db_is_vcdb(const u8 *db)
4180 {
4181 	if (cea_db_tag(db) != USE_EXTENDED_TAG)
4182 		return false;
4183 
4184 	if (cea_db_payload_len(db) != 2)
4185 		return false;
4186 
4187 	if (cea_db_extended_tag(db) != EXT_VIDEO_CAPABILITY_BLOCK)
4188 		return false;
4189 
4190 	return true;
4191 }
4192 
4193 static bool cea_db_is_y420cmdb(const u8 *db)
4194 {
4195 	if (cea_db_tag(db) != USE_EXTENDED_TAG)
4196 		return false;
4197 
4198 	if (!cea_db_payload_len(db))
4199 		return false;
4200 
4201 	if (cea_db_extended_tag(db) != EXT_VIDEO_CAP_BLOCK_Y420CMDB)
4202 		return false;
4203 
4204 	return true;
4205 }
4206 
4207 static bool cea_db_is_y420vdb(const u8 *db)
4208 {
4209 	if (cea_db_tag(db) != USE_EXTENDED_TAG)
4210 		return false;
4211 
4212 	if (!cea_db_payload_len(db))
4213 		return false;
4214 
4215 	if (cea_db_extended_tag(db) != EXT_VIDEO_DATA_BLOCK_420)
4216 		return false;
4217 
4218 	return true;
4219 }
4220 
4221 #define for_each_cea_db(cea, i, start, end) \
4222 	for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1)
4223 
4224 static void drm_parse_y420cmdb_bitmap(struct drm_connector *connector,
4225 				      const u8 *db)
4226 {
4227 	struct drm_display_info *info = &connector->display_info;
4228 	struct drm_hdmi_info *hdmi = &info->hdmi;
4229 	u8 map_len = cea_db_payload_len(db) - 1;
4230 	u8 count;
4231 	u64 map = 0;
4232 
4233 	if (map_len == 0) {
4234 		/* All CEA modes support ycbcr420 sampling also.*/
4235 		hdmi->y420_cmdb_map = U64_MAX;
4236 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4237 		return;
4238 	}
4239 
4240 	/*
4241 	 * This map indicates which of the existing CEA block modes
4242 	 * from VDB can support YCBCR420 output too. So if bit=0 is
4243 	 * set, first mode from VDB can support YCBCR420 output too.
4244 	 * We will parse and keep this map, before parsing VDB itself
4245 	 * to avoid going through the same block again and again.
4246 	 *
4247 	 * Spec is not clear about max possible size of this block.
4248 	 * Clamping max bitmap block size at 8 bytes. Every byte can
4249 	 * address 8 CEA modes, in this way this map can address
4250 	 * 8*8 = first 64 SVDs.
4251 	 */
4252 	if (WARN_ON_ONCE(map_len > 8))
4253 		map_len = 8;
4254 
4255 	for (count = 0; count < map_len; count++)
4256 		map |= (u64)db[2 + count] << (8 * count);
4257 
4258 	if (map)
4259 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4260 
4261 	hdmi->y420_cmdb_map = map;
4262 }
4263 
4264 static int
4265 add_cea_modes(struct drm_connector *connector, struct edid *edid)
4266 {
4267 	const u8 *cea = drm_find_cea_extension(edid);
4268 	const u8 *db, *hdmi = NULL, *video = NULL;
4269 	u8 dbl, hdmi_len, video_len = 0;
4270 	int modes = 0;
4271 
4272 	if (cea && cea_revision(cea) >= 3) {
4273 		int i, start, end;
4274 
4275 		if (cea_db_offsets(cea, &start, &end))
4276 			return 0;
4277 
4278 		for_each_cea_db(cea, i, start, end) {
4279 			db = &cea[i];
4280 			dbl = cea_db_payload_len(db);
4281 
4282 			if (cea_db_tag(db) == VIDEO_BLOCK) {
4283 				video = db + 1;
4284 				video_len = dbl;
4285 				modes += do_cea_modes(connector, video, dbl);
4286 			} else if (cea_db_is_hdmi_vsdb(db)) {
4287 				hdmi = db;
4288 				hdmi_len = dbl;
4289 			} else if (cea_db_is_y420vdb(db)) {
4290 				const u8 *vdb420 = &db[2];
4291 
4292 				/* Add 4:2:0(only) modes present in EDID */
4293 				modes += do_y420vdb_modes(connector,
4294 							  vdb420,
4295 							  dbl - 1);
4296 			}
4297 		}
4298 	}
4299 
4300 	/*
4301 	 * We parse the HDMI VSDB after having added the cea modes as we will
4302 	 * be patching their flags when the sink supports stereo 3D.
4303 	 */
4304 	if (hdmi)
4305 		modes += do_hdmi_vsdb_modes(connector, hdmi, hdmi_len, video,
4306 					    video_len);
4307 
4308 	return modes;
4309 }
4310 
4311 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode)
4312 {
4313 	const struct drm_display_mode *cea_mode;
4314 	int clock1, clock2, clock;
4315 	u8 vic;
4316 	const char *type;
4317 
4318 	/*
4319 	 * allow 5kHz clock difference either way to account for
4320 	 * the 10kHz clock resolution limit of detailed timings.
4321 	 */
4322 	vic = drm_match_cea_mode_clock_tolerance(mode, 5);
4323 	if (drm_valid_cea_vic(vic)) {
4324 		type = "CEA";
4325 		cea_mode = cea_mode_for_vic(vic);
4326 		clock1 = cea_mode->clock;
4327 		clock2 = cea_mode_alternate_clock(cea_mode);
4328 	} else {
4329 		vic = drm_match_hdmi_mode_clock_tolerance(mode, 5);
4330 		if (drm_valid_hdmi_vic(vic)) {
4331 			type = "HDMI";
4332 			cea_mode = &edid_4k_modes[vic];
4333 			clock1 = cea_mode->clock;
4334 			clock2 = hdmi_mode_alternate_clock(cea_mode);
4335 		} else {
4336 			return;
4337 		}
4338 	}
4339 
4340 	/* pick whichever is closest */
4341 	if (abs(mode->clock - clock1) < abs(mode->clock - clock2))
4342 		clock = clock1;
4343 	else
4344 		clock = clock2;
4345 
4346 	if (mode->clock == clock)
4347 		return;
4348 
4349 	DRM_DEBUG("detailed mode matches %s VIC %d, adjusting clock %d -> %d\n",
4350 		  type, vic, mode->clock, clock);
4351 	mode->clock = clock;
4352 }
4353 
4354 static bool cea_db_is_hdmi_hdr_metadata_block(const u8 *db)
4355 {
4356 	if (cea_db_tag(db) != USE_EXTENDED_TAG)
4357 		return false;
4358 
4359 	if (db[1] != HDR_STATIC_METADATA_BLOCK)
4360 		return false;
4361 
4362 	if (cea_db_payload_len(db) < 3)
4363 		return false;
4364 
4365 	return true;
4366 }
4367 
4368 static uint8_t eotf_supported(const u8 *edid_ext)
4369 {
4370 	return edid_ext[2] &
4371 		(BIT(HDMI_EOTF_TRADITIONAL_GAMMA_SDR) |
4372 		 BIT(HDMI_EOTF_TRADITIONAL_GAMMA_HDR) |
4373 		 BIT(HDMI_EOTF_SMPTE_ST2084) |
4374 		 BIT(HDMI_EOTF_BT_2100_HLG));
4375 }
4376 
4377 static uint8_t hdr_metadata_type(const u8 *edid_ext)
4378 {
4379 	return edid_ext[3] &
4380 		BIT(HDMI_STATIC_METADATA_TYPE1);
4381 }
4382 
4383 static void
4384 drm_parse_hdr_metadata_block(struct drm_connector *connector, const u8 *db)
4385 {
4386 	u16 len;
4387 
4388 	len = cea_db_payload_len(db);
4389 
4390 	connector->hdr_sink_metadata.hdmi_type1.eotf =
4391 						eotf_supported(db);
4392 	connector->hdr_sink_metadata.hdmi_type1.metadata_type =
4393 						hdr_metadata_type(db);
4394 
4395 	if (len >= 4)
4396 		connector->hdr_sink_metadata.hdmi_type1.max_cll = db[4];
4397 	if (len >= 5)
4398 		connector->hdr_sink_metadata.hdmi_type1.max_fall = db[5];
4399 	if (len >= 6)
4400 		connector->hdr_sink_metadata.hdmi_type1.min_cll = db[6];
4401 }
4402 
4403 static void
4404 drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db)
4405 {
4406 	u8 len = cea_db_payload_len(db);
4407 
4408 	if (len >= 6 && (db[6] & (1 << 7)))
4409 		connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI;
4410 	if (len >= 8) {
4411 		connector->latency_present[0] = db[8] >> 7;
4412 		connector->latency_present[1] = (db[8] >> 6) & 1;
4413 	}
4414 	if (len >= 9)
4415 		connector->video_latency[0] = db[9];
4416 	if (len >= 10)
4417 		connector->audio_latency[0] = db[10];
4418 	if (len >= 11)
4419 		connector->video_latency[1] = db[11];
4420 	if (len >= 12)
4421 		connector->audio_latency[1] = db[12];
4422 
4423 	DRM_DEBUG_KMS("HDMI: latency present %d %d, "
4424 		      "video latency %d %d, "
4425 		      "audio latency %d %d\n",
4426 		      connector->latency_present[0],
4427 		      connector->latency_present[1],
4428 		      connector->video_latency[0],
4429 		      connector->video_latency[1],
4430 		      connector->audio_latency[0],
4431 		      connector->audio_latency[1]);
4432 }
4433 
4434 static void
4435 monitor_name(struct detailed_timing *t, void *data)
4436 {
4437 	if (!is_display_descriptor((const u8 *)t, EDID_DETAIL_MONITOR_NAME))
4438 		return;
4439 
4440 	*(u8 **)data = t->data.other_data.data.str.str;
4441 }
4442 
4443 static int get_monitor_name(struct edid *edid, char name[13])
4444 {
4445 	char *edid_name = NULL;
4446 	int mnl;
4447 
4448 	if (!edid || !name)
4449 		return 0;
4450 
4451 	drm_for_each_detailed_block((u8 *)edid, monitor_name, &edid_name);
4452 	for (mnl = 0; edid_name && mnl < 13; mnl++) {
4453 		if (edid_name[mnl] == 0x0a)
4454 			break;
4455 
4456 		name[mnl] = edid_name[mnl];
4457 	}
4458 
4459 	return mnl;
4460 }
4461 
4462 /**
4463  * drm_edid_get_monitor_name - fetch the monitor name from the edid
4464  * @edid: monitor EDID information
4465  * @name: pointer to a character array to hold the name of the monitor
4466  * @bufsize: The size of the name buffer (should be at least 14 chars.)
4467  *
4468  */
4469 void drm_edid_get_monitor_name(struct edid *edid, char *name, int bufsize)
4470 {
4471 	int name_length;
4472 	char buf[13];
4473 
4474 	if (bufsize <= 0)
4475 		return;
4476 
4477 	name_length = min(get_monitor_name(edid, buf), bufsize - 1);
4478 	memcpy(name, buf, name_length);
4479 	name[name_length] = '\0';
4480 }
4481 EXPORT_SYMBOL(drm_edid_get_monitor_name);
4482 
4483 static void clear_eld(struct drm_connector *connector)
4484 {
4485 	memset(connector->eld, 0, sizeof(connector->eld));
4486 
4487 	connector->latency_present[0] = false;
4488 	connector->latency_present[1] = false;
4489 	connector->video_latency[0] = 0;
4490 	connector->audio_latency[0] = 0;
4491 	connector->video_latency[1] = 0;
4492 	connector->audio_latency[1] = 0;
4493 }
4494 
4495 /*
4496  * drm_edid_to_eld - build ELD from EDID
4497  * @connector: connector corresponding to the HDMI/DP sink
4498  * @edid: EDID to parse
4499  *
4500  * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
4501  * HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
4502  */
4503 static void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
4504 {
4505 	uint8_t *eld = connector->eld;
4506 	u8 *cea;
4507 	u8 *db;
4508 	int total_sad_count = 0;
4509 	int mnl;
4510 	int dbl;
4511 
4512 	clear_eld(connector);
4513 
4514 	if (!edid)
4515 		return;
4516 
4517 	cea = drm_find_cea_extension(edid);
4518 	if (!cea) {
4519 		DRM_DEBUG_KMS("ELD: no CEA Extension found\n");
4520 		return;
4521 	}
4522 
4523 	mnl = get_monitor_name(edid, &eld[DRM_ELD_MONITOR_NAME_STRING]);
4524 	DRM_DEBUG_KMS("ELD monitor %s\n", &eld[DRM_ELD_MONITOR_NAME_STRING]);
4525 
4526 	eld[DRM_ELD_CEA_EDID_VER_MNL] = cea[1] << DRM_ELD_CEA_EDID_VER_SHIFT;
4527 	eld[DRM_ELD_CEA_EDID_VER_MNL] |= mnl;
4528 
4529 	eld[DRM_ELD_VER] = DRM_ELD_VER_CEA861D;
4530 
4531 	eld[DRM_ELD_MANUFACTURER_NAME0] = edid->mfg_id[0];
4532 	eld[DRM_ELD_MANUFACTURER_NAME1] = edid->mfg_id[1];
4533 	eld[DRM_ELD_PRODUCT_CODE0] = edid->prod_code[0];
4534 	eld[DRM_ELD_PRODUCT_CODE1] = edid->prod_code[1];
4535 
4536 	if (cea_revision(cea) >= 3) {
4537 		int i, start, end;
4538 		int sad_count;
4539 
4540 		if (cea_db_offsets(cea, &start, &end)) {
4541 			start = 0;
4542 			end = 0;
4543 		}
4544 
4545 		for_each_cea_db(cea, i, start, end) {
4546 			db = &cea[i];
4547 			dbl = cea_db_payload_len(db);
4548 
4549 			switch (cea_db_tag(db)) {
4550 			case AUDIO_BLOCK:
4551 				/* Audio Data Block, contains SADs */
4552 				sad_count = min(dbl / 3, 15 - total_sad_count);
4553 				if (sad_count >= 1)
4554 					memcpy(&eld[DRM_ELD_CEA_SAD(mnl, total_sad_count)],
4555 					       &db[1], sad_count * 3);
4556 				total_sad_count += sad_count;
4557 				break;
4558 			case SPEAKER_BLOCK:
4559 				/* Speaker Allocation Data Block */
4560 				if (dbl >= 1)
4561 					eld[DRM_ELD_SPEAKER] = db[1];
4562 				break;
4563 			case VENDOR_BLOCK:
4564 				/* HDMI Vendor-Specific Data Block */
4565 				if (cea_db_is_hdmi_vsdb(db))
4566 					drm_parse_hdmi_vsdb_audio(connector, db);
4567 				break;
4568 			default:
4569 				break;
4570 			}
4571 		}
4572 	}
4573 	eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= total_sad_count << DRM_ELD_SAD_COUNT_SHIFT;
4574 
4575 	if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
4576 	    connector->connector_type == DRM_MODE_CONNECTOR_eDP)
4577 		eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_DP;
4578 	else
4579 		eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_HDMI;
4580 
4581 	eld[DRM_ELD_BASELINE_ELD_LEN] =
4582 		DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4);
4583 
4584 	DRM_DEBUG_KMS("ELD size %d, SAD count %d\n",
4585 		      drm_eld_size(eld), total_sad_count);
4586 }
4587 
4588 /**
4589  * drm_edid_to_sad - extracts SADs from EDID
4590  * @edid: EDID to parse
4591  * @sads: pointer that will be set to the extracted SADs
4592  *
4593  * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it.
4594  *
4595  * Note: The returned pointer needs to be freed using kfree().
4596  *
4597  * Return: The number of found SADs or negative number on error.
4598  */
4599 int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads)
4600 {
4601 	int count = 0;
4602 	int i, start, end, dbl;
4603 	u8 *cea;
4604 
4605 	cea = drm_find_cea_extension(edid);
4606 	if (!cea) {
4607 		DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4608 		return 0;
4609 	}
4610 
4611 	if (cea_revision(cea) < 3) {
4612 		DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4613 		return 0;
4614 	}
4615 
4616 	if (cea_db_offsets(cea, &start, &end)) {
4617 		DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4618 		return -EPROTO;
4619 	}
4620 
4621 	for_each_cea_db(cea, i, start, end) {
4622 		u8 *db = &cea[i];
4623 
4624 		if (cea_db_tag(db) == AUDIO_BLOCK) {
4625 			int j;
4626 
4627 			dbl = cea_db_payload_len(db);
4628 
4629 			count = dbl / 3; /* SAD is 3B */
4630 			*sads = kcalloc(count, sizeof(**sads), GFP_KERNEL);
4631 			if (!*sads)
4632 				return -ENOMEM;
4633 			for (j = 0; j < count; j++) {
4634 				u8 *sad = &db[1 + j * 3];
4635 
4636 				(*sads)[j].format = (sad[0] & 0x78) >> 3;
4637 				(*sads)[j].channels = sad[0] & 0x7;
4638 				(*sads)[j].freq = sad[1] & 0x7F;
4639 				(*sads)[j].byte2 = sad[2];
4640 			}
4641 			break;
4642 		}
4643 	}
4644 
4645 	return count;
4646 }
4647 EXPORT_SYMBOL(drm_edid_to_sad);
4648 
4649 /**
4650  * drm_edid_to_speaker_allocation - extracts Speaker Allocation Data Blocks from EDID
4651  * @edid: EDID to parse
4652  * @sadb: pointer to the speaker block
4653  *
4654  * Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it.
4655  *
4656  * Note: The returned pointer needs to be freed using kfree().
4657  *
4658  * Return: The number of found Speaker Allocation Blocks or negative number on
4659  * error.
4660  */
4661 int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb)
4662 {
4663 	int count = 0;
4664 	int i, start, end, dbl;
4665 	const u8 *cea;
4666 
4667 	cea = drm_find_cea_extension(edid);
4668 	if (!cea) {
4669 		DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4670 		return 0;
4671 	}
4672 
4673 	if (cea_revision(cea) < 3) {
4674 		DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4675 		return 0;
4676 	}
4677 
4678 	if (cea_db_offsets(cea, &start, &end)) {
4679 		DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4680 		return -EPROTO;
4681 	}
4682 
4683 	for_each_cea_db(cea, i, start, end) {
4684 		const u8 *db = &cea[i];
4685 
4686 		if (cea_db_tag(db) == SPEAKER_BLOCK) {
4687 			dbl = cea_db_payload_len(db);
4688 
4689 			/* Speaker Allocation Data Block */
4690 			if (dbl == 3) {
4691 				*sadb = kmemdup(&db[1], dbl, GFP_KERNEL);
4692 				if (!*sadb)
4693 					return -ENOMEM;
4694 				count = dbl;
4695 				break;
4696 			}
4697 		}
4698 	}
4699 
4700 	return count;
4701 }
4702 EXPORT_SYMBOL(drm_edid_to_speaker_allocation);
4703 
4704 /**
4705  * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay
4706  * @connector: connector associated with the HDMI/DP sink
4707  * @mode: the display mode
4708  *
4709  * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if
4710  * the sink doesn't support audio or video.
4711  */
4712 int drm_av_sync_delay(struct drm_connector *connector,
4713 		      const struct drm_display_mode *mode)
4714 {
4715 	int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
4716 	int a, v;
4717 
4718 	if (!connector->latency_present[0])
4719 		return 0;
4720 	if (!connector->latency_present[1])
4721 		i = 0;
4722 
4723 	a = connector->audio_latency[i];
4724 	v = connector->video_latency[i];
4725 
4726 	/*
4727 	 * HDMI/DP sink doesn't support audio or video?
4728 	 */
4729 	if (a == 255 || v == 255)
4730 		return 0;
4731 
4732 	/*
4733 	 * Convert raw EDID values to millisecond.
4734 	 * Treat unknown latency as 0ms.
4735 	 */
4736 	if (a)
4737 		a = min(2 * (a - 1), 500);
4738 	if (v)
4739 		v = min(2 * (v - 1), 500);
4740 
4741 	return max(v - a, 0);
4742 }
4743 EXPORT_SYMBOL(drm_av_sync_delay);
4744 
4745 /**
4746  * drm_detect_hdmi_monitor - detect whether monitor is HDMI
4747  * @edid: monitor EDID information
4748  *
4749  * Parse the CEA extension according to CEA-861-B.
4750  *
4751  * Drivers that have added the modes parsed from EDID to drm_display_info
4752  * should use &drm_display_info.is_hdmi instead of calling this function.
4753  *
4754  * Return: True if the monitor is HDMI, false if not or unknown.
4755  */
4756 bool drm_detect_hdmi_monitor(struct edid *edid)
4757 {
4758 	u8 *edid_ext;
4759 	int i;
4760 	int start_offset, end_offset;
4761 
4762 	edid_ext = drm_find_cea_extension(edid);
4763 	if (!edid_ext)
4764 		return false;
4765 
4766 	if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4767 		return false;
4768 
4769 	/*
4770 	 * Because HDMI identifier is in Vendor Specific Block,
4771 	 * search it from all data blocks of CEA extension.
4772 	 */
4773 	for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4774 		if (cea_db_is_hdmi_vsdb(&edid_ext[i]))
4775 			return true;
4776 	}
4777 
4778 	return false;
4779 }
4780 EXPORT_SYMBOL(drm_detect_hdmi_monitor);
4781 
4782 /**
4783  * drm_detect_monitor_audio - check monitor audio capability
4784  * @edid: EDID block to scan
4785  *
4786  * Monitor should have CEA extension block.
4787  * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic
4788  * audio' only. If there is any audio extension block and supported
4789  * audio format, assume at least 'basic audio' support, even if 'basic
4790  * audio' is not defined in EDID.
4791  *
4792  * Return: True if the monitor supports audio, false otherwise.
4793  */
4794 bool drm_detect_monitor_audio(struct edid *edid)
4795 {
4796 	u8 *edid_ext;
4797 	int i, j;
4798 	bool has_audio = false;
4799 	int start_offset, end_offset;
4800 
4801 	edid_ext = drm_find_cea_extension(edid);
4802 	if (!edid_ext)
4803 		goto end;
4804 
4805 	has_audio = ((edid_ext[3] & EDID_BASIC_AUDIO) != 0);
4806 
4807 	if (has_audio) {
4808 		DRM_DEBUG_KMS("Monitor has basic audio support\n");
4809 		goto end;
4810 	}
4811 
4812 	if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4813 		goto end;
4814 
4815 	for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4816 		if (cea_db_tag(&edid_ext[i]) == AUDIO_BLOCK) {
4817 			has_audio = true;
4818 			for (j = 1; j < cea_db_payload_len(&edid_ext[i]) + 1; j += 3)
4819 				DRM_DEBUG_KMS("CEA audio format %d\n",
4820 					      (edid_ext[i + j] >> 3) & 0xf);
4821 			goto end;
4822 		}
4823 	}
4824 end:
4825 	return has_audio;
4826 }
4827 EXPORT_SYMBOL(drm_detect_monitor_audio);
4828 
4829 
4830 /**
4831  * drm_default_rgb_quant_range - default RGB quantization range
4832  * @mode: display mode
4833  *
4834  * Determine the default RGB quantization range for the mode,
4835  * as specified in CEA-861.
4836  *
4837  * Return: The default RGB quantization range for the mode
4838  */
4839 enum hdmi_quantization_range
4840 drm_default_rgb_quant_range(const struct drm_display_mode *mode)
4841 {
4842 	/* All CEA modes other than VIC 1 use limited quantization range. */
4843 	return drm_match_cea_mode(mode) > 1 ?
4844 		HDMI_QUANTIZATION_RANGE_LIMITED :
4845 		HDMI_QUANTIZATION_RANGE_FULL;
4846 }
4847 EXPORT_SYMBOL(drm_default_rgb_quant_range);
4848 
4849 static void drm_parse_vcdb(struct drm_connector *connector, const u8 *db)
4850 {
4851 	struct drm_display_info *info = &connector->display_info;
4852 
4853 	DRM_DEBUG_KMS("CEA VCDB 0x%02x\n", db[2]);
4854 
4855 	if (db[2] & EDID_CEA_VCDB_QS)
4856 		info->rgb_quant_range_selectable = true;
4857 }
4858 
4859 static
4860 void drm_get_max_frl_rate(int max_frl_rate, u8 *max_lanes, u8 *max_rate_per_lane)
4861 {
4862 	switch (max_frl_rate) {
4863 	case 1:
4864 		*max_lanes = 3;
4865 		*max_rate_per_lane = 3;
4866 		break;
4867 	case 2:
4868 		*max_lanes = 3;
4869 		*max_rate_per_lane = 6;
4870 		break;
4871 	case 3:
4872 		*max_lanes = 4;
4873 		*max_rate_per_lane = 6;
4874 		break;
4875 	case 4:
4876 		*max_lanes = 4;
4877 		*max_rate_per_lane = 8;
4878 		break;
4879 	case 5:
4880 		*max_lanes = 4;
4881 		*max_rate_per_lane = 10;
4882 		break;
4883 	case 6:
4884 		*max_lanes = 4;
4885 		*max_rate_per_lane = 12;
4886 		break;
4887 	case 0:
4888 	default:
4889 		*max_lanes = 0;
4890 		*max_rate_per_lane = 0;
4891 	}
4892 }
4893 
4894 static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector,
4895 					       const u8 *db)
4896 {
4897 	u8 dc_mask;
4898 	struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
4899 
4900 	dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK;
4901 	hdmi->y420_dc_modes = dc_mask;
4902 }
4903 
4904 static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector,
4905 				 const u8 *hf_vsdb)
4906 {
4907 	struct drm_display_info *display = &connector->display_info;
4908 	struct drm_hdmi_info *hdmi = &display->hdmi;
4909 
4910 	display->has_hdmi_infoframe = true;
4911 
4912 	if (hf_vsdb[6] & 0x80) {
4913 		hdmi->scdc.supported = true;
4914 		if (hf_vsdb[6] & 0x40)
4915 			hdmi->scdc.read_request = true;
4916 	}
4917 
4918 	/*
4919 	 * All HDMI 2.0 monitors must support scrambling at rates > 340 MHz.
4920 	 * And as per the spec, three factors confirm this:
4921 	 * * Availability of a HF-VSDB block in EDID (check)
4922 	 * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check)
4923 	 * * SCDC support available (let's check)
4924 	 * Lets check it out.
4925 	 */
4926 
4927 	if (hf_vsdb[5]) {
4928 		/* max clock is 5000 KHz times block value */
4929 		u32 max_tmds_clock = hf_vsdb[5] * 5000;
4930 		struct drm_scdc *scdc = &hdmi->scdc;
4931 
4932 		if (max_tmds_clock > 340000) {
4933 			display->max_tmds_clock = max_tmds_clock;
4934 			DRM_DEBUG_KMS("HF-VSDB: max TMDS clock %d kHz\n",
4935 				display->max_tmds_clock);
4936 		}
4937 
4938 		if (scdc->supported) {
4939 			scdc->scrambling.supported = true;
4940 
4941 			/* Few sinks support scrambling for clocks < 340M */
4942 			if ((hf_vsdb[6] & 0x8))
4943 				scdc->scrambling.low_rates = true;
4944 		}
4945 	}
4946 
4947 	if (hf_vsdb[7]) {
4948 		u8 max_frl_rate;
4949 		u8 dsc_max_frl_rate;
4950 		u8 dsc_max_slices;
4951 		struct drm_hdmi_dsc_cap *hdmi_dsc = &hdmi->dsc_cap;
4952 
4953 		DRM_DEBUG_KMS("hdmi_21 sink detected. parsing edid\n");
4954 		max_frl_rate = (hf_vsdb[7] & DRM_EDID_MAX_FRL_RATE_MASK) >> 4;
4955 		drm_get_max_frl_rate(max_frl_rate, &hdmi->max_lanes,
4956 				     &hdmi->max_frl_rate_per_lane);
4957 		hdmi_dsc->v_1p2 = hf_vsdb[11] & DRM_EDID_DSC_1P2;
4958 
4959 		if (hdmi_dsc->v_1p2) {
4960 			hdmi_dsc->native_420 = hf_vsdb[11] & DRM_EDID_DSC_NATIVE_420;
4961 			hdmi_dsc->all_bpp = hf_vsdb[11] & DRM_EDID_DSC_ALL_BPP;
4962 
4963 			if (hf_vsdb[11] & DRM_EDID_DSC_16BPC)
4964 				hdmi_dsc->bpc_supported = 16;
4965 			else if (hf_vsdb[11] & DRM_EDID_DSC_12BPC)
4966 				hdmi_dsc->bpc_supported = 12;
4967 			else if (hf_vsdb[11] & DRM_EDID_DSC_10BPC)
4968 				hdmi_dsc->bpc_supported = 10;
4969 			else
4970 				hdmi_dsc->bpc_supported = 0;
4971 
4972 			dsc_max_frl_rate = (hf_vsdb[12] & DRM_EDID_DSC_MAX_FRL_RATE_MASK) >> 4;
4973 			drm_get_max_frl_rate(dsc_max_frl_rate, &hdmi_dsc->max_lanes,
4974 					     &hdmi_dsc->max_frl_rate_per_lane);
4975 			hdmi_dsc->total_chunk_kbytes = hf_vsdb[13] & DRM_EDID_DSC_TOTAL_CHUNK_KBYTES;
4976 
4977 			dsc_max_slices = hf_vsdb[12] & DRM_EDID_DSC_MAX_SLICES;
4978 			switch (dsc_max_slices) {
4979 			case 1:
4980 				hdmi_dsc->max_slices = 1;
4981 				hdmi_dsc->clk_per_slice = 340;
4982 				break;
4983 			case 2:
4984 				hdmi_dsc->max_slices = 2;
4985 				hdmi_dsc->clk_per_slice = 340;
4986 				break;
4987 			case 3:
4988 				hdmi_dsc->max_slices = 4;
4989 				hdmi_dsc->clk_per_slice = 340;
4990 				break;
4991 			case 4:
4992 				hdmi_dsc->max_slices = 8;
4993 				hdmi_dsc->clk_per_slice = 340;
4994 				break;
4995 			case 5:
4996 				hdmi_dsc->max_slices = 8;
4997 				hdmi_dsc->clk_per_slice = 400;
4998 				break;
4999 			case 6:
5000 				hdmi_dsc->max_slices = 12;
5001 				hdmi_dsc->clk_per_slice = 400;
5002 				break;
5003 			case 7:
5004 				hdmi_dsc->max_slices = 16;
5005 				hdmi_dsc->clk_per_slice = 400;
5006 				break;
5007 			case 0:
5008 			default:
5009 				hdmi_dsc->max_slices = 0;
5010 				hdmi_dsc->clk_per_slice = 0;
5011 			}
5012 		}
5013 	}
5014 
5015 	drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb);
5016 }
5017 
5018 static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector,
5019 					   const u8 *hdmi)
5020 {
5021 	struct drm_display_info *info = &connector->display_info;
5022 	unsigned int dc_bpc = 0;
5023 
5024 	/* HDMI supports at least 8 bpc */
5025 	info->bpc = 8;
5026 
5027 	if (cea_db_payload_len(hdmi) < 6)
5028 		return;
5029 
5030 	if (hdmi[6] & DRM_EDID_HDMI_DC_30) {
5031 		dc_bpc = 10;
5032 		info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_30;
5033 		DRM_DEBUG("%s: HDMI sink does deep color 30.\n",
5034 			  connector->name);
5035 	}
5036 
5037 	if (hdmi[6] & DRM_EDID_HDMI_DC_36) {
5038 		dc_bpc = 12;
5039 		info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_36;
5040 		DRM_DEBUG("%s: HDMI sink does deep color 36.\n",
5041 			  connector->name);
5042 	}
5043 
5044 	if (hdmi[6] & DRM_EDID_HDMI_DC_48) {
5045 		dc_bpc = 16;
5046 		info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_48;
5047 		DRM_DEBUG("%s: HDMI sink does deep color 48.\n",
5048 			  connector->name);
5049 	}
5050 
5051 	if (dc_bpc == 0) {
5052 		DRM_DEBUG("%s: No deep color support on this HDMI sink.\n",
5053 			  connector->name);
5054 		return;
5055 	}
5056 
5057 	DRM_DEBUG("%s: Assigning HDMI sink color depth as %d bpc.\n",
5058 		  connector->name, dc_bpc);
5059 	info->bpc = dc_bpc;
5060 
5061 	/*
5062 	 * Deep color support mandates RGB444 support for all video
5063 	 * modes and forbids YCRCB422 support for all video modes per
5064 	 * HDMI 1.3 spec.
5065 	 */
5066 	info->color_formats = DRM_COLOR_FORMAT_RGB444;
5067 
5068 	/* YCRCB444 is optional according to spec. */
5069 	if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) {
5070 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5071 		DRM_DEBUG("%s: HDMI sink does YCRCB444 in deep color.\n",
5072 			  connector->name);
5073 	}
5074 
5075 	/*
5076 	 * Spec says that if any deep color mode is supported at all,
5077 	 * then deep color 36 bit must be supported.
5078 	 */
5079 	if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) {
5080 		DRM_DEBUG("%s: HDMI sink should do DC_36, but does not!\n",
5081 			  connector->name);
5082 	}
5083 }
5084 
5085 static void
5086 drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db)
5087 {
5088 	struct drm_display_info *info = &connector->display_info;
5089 	u8 len = cea_db_payload_len(db);
5090 
5091 	info->is_hdmi = true;
5092 
5093 	if (len >= 6)
5094 		info->dvi_dual = db[6] & 1;
5095 	if (len >= 7)
5096 		info->max_tmds_clock = db[7] * 5000;
5097 
5098 	DRM_DEBUG_KMS("HDMI: DVI dual %d, "
5099 		      "max TMDS clock %d kHz\n",
5100 		      info->dvi_dual,
5101 		      info->max_tmds_clock);
5102 
5103 	drm_parse_hdmi_deep_color_info(connector, db);
5104 }
5105 
5106 static void drm_parse_cea_ext(struct drm_connector *connector,
5107 			      const struct edid *edid)
5108 {
5109 	struct drm_display_info *info = &connector->display_info;
5110 	const u8 *edid_ext;
5111 	int i, start, end;
5112 
5113 	edid_ext = drm_find_cea_extension(edid);
5114 	if (!edid_ext)
5115 		return;
5116 
5117 	info->cea_rev = edid_ext[1];
5118 
5119 	/* The existence of a CEA block should imply RGB support */
5120 	info->color_formats = DRM_COLOR_FORMAT_RGB444;
5121 	if (edid_ext[3] & EDID_CEA_YCRCB444)
5122 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5123 	if (edid_ext[3] & EDID_CEA_YCRCB422)
5124 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
5125 
5126 	if (cea_db_offsets(edid_ext, &start, &end))
5127 		return;
5128 
5129 	for_each_cea_db(edid_ext, i, start, end) {
5130 		const u8 *db = &edid_ext[i];
5131 
5132 		if (cea_db_is_hdmi_vsdb(db))
5133 			drm_parse_hdmi_vsdb_video(connector, db);
5134 		if (cea_db_is_hdmi_forum_vsdb(db))
5135 			drm_parse_hdmi_forum_vsdb(connector, db);
5136 		if (cea_db_is_y420cmdb(db))
5137 			drm_parse_y420cmdb_bitmap(connector, db);
5138 		if (cea_db_is_vcdb(db))
5139 			drm_parse_vcdb(connector, db);
5140 		if (cea_db_is_hdmi_hdr_metadata_block(db))
5141 			drm_parse_hdr_metadata_block(connector, db);
5142 	}
5143 }
5144 
5145 static
5146 void get_monitor_range(struct detailed_timing *timing,
5147 		       void *info_monitor_range)
5148 {
5149 	struct drm_monitor_range_info *monitor_range = info_monitor_range;
5150 	const struct detailed_non_pixel *data = &timing->data.other_data;
5151 	const struct detailed_data_monitor_range *range = &data->data.range;
5152 
5153 	if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
5154 		return;
5155 
5156 	/*
5157 	 * Check for flag range limits only. If flag == 1 then
5158 	 * no additional timing information provided.
5159 	 * Default GTF, GTF Secondary curve and CVT are not
5160 	 * supported
5161 	 */
5162 	if (range->flags != DRM_EDID_RANGE_LIMITS_ONLY_FLAG)
5163 		return;
5164 
5165 	monitor_range->min_vfreq = range->min_vfreq;
5166 	monitor_range->max_vfreq = range->max_vfreq;
5167 }
5168 
5169 static
5170 void drm_get_monitor_range(struct drm_connector *connector,
5171 			   const struct edid *edid)
5172 {
5173 	struct drm_display_info *info = &connector->display_info;
5174 
5175 	if (!version_greater(edid, 1, 1))
5176 		return;
5177 
5178 	drm_for_each_detailed_block((u8 *)edid, get_monitor_range,
5179 				    &info->monitor_range);
5180 
5181 	DRM_DEBUG_KMS("Supported Monitor Refresh rate range is %d Hz - %d Hz\n",
5182 		      info->monitor_range.min_vfreq,
5183 		      info->monitor_range.max_vfreq);
5184 }
5185 
5186 /* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset
5187  * all of the values which would have been set from EDID
5188  */
5189 void
5190 drm_reset_display_info(struct drm_connector *connector)
5191 {
5192 	struct drm_display_info *info = &connector->display_info;
5193 
5194 	info->width_mm = 0;
5195 	info->height_mm = 0;
5196 
5197 	info->bpc = 0;
5198 	info->color_formats = 0;
5199 	info->cea_rev = 0;
5200 	info->max_tmds_clock = 0;
5201 	info->dvi_dual = false;
5202 	info->is_hdmi = false;
5203 	info->has_hdmi_infoframe = false;
5204 	info->rgb_quant_range_selectable = false;
5205 	memset(&info->hdmi, 0, sizeof(info->hdmi));
5206 
5207 	info->non_desktop = 0;
5208 	memset(&info->monitor_range, 0, sizeof(info->monitor_range));
5209 }
5210 
5211 u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid)
5212 {
5213 	struct drm_display_info *info = &connector->display_info;
5214 
5215 	u32 quirks = edid_get_quirks(edid);
5216 
5217 	drm_reset_display_info(connector);
5218 
5219 	info->width_mm = edid->width_cm * 10;
5220 	info->height_mm = edid->height_cm * 10;
5221 
5222 	info->non_desktop = !!(quirks & EDID_QUIRK_NON_DESKTOP);
5223 
5224 	drm_get_monitor_range(connector, edid);
5225 
5226 	DRM_DEBUG_KMS("non_desktop set to %d\n", info->non_desktop);
5227 
5228 	if (edid->revision < 3)
5229 		return quirks;
5230 
5231 	if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
5232 		return quirks;
5233 
5234 	drm_parse_cea_ext(connector, edid);
5235 
5236 	/*
5237 	 * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3?
5238 	 *
5239 	 * For such displays, the DFP spec 1.0, section 3.10 "EDID support"
5240 	 * tells us to assume 8 bpc color depth if the EDID doesn't have
5241 	 * extensions which tell otherwise.
5242 	 */
5243 	if (info->bpc == 0 && edid->revision == 3 &&
5244 	    edid->input & DRM_EDID_DIGITAL_DFP_1_X) {
5245 		info->bpc = 8;
5246 		DRM_DEBUG("%s: Assigning DFP sink color depth as %d bpc.\n",
5247 			  connector->name, info->bpc);
5248 	}
5249 
5250 	/* Only defined for 1.4 with digital displays */
5251 	if (edid->revision < 4)
5252 		return quirks;
5253 
5254 	switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {
5255 	case DRM_EDID_DIGITAL_DEPTH_6:
5256 		info->bpc = 6;
5257 		break;
5258 	case DRM_EDID_DIGITAL_DEPTH_8:
5259 		info->bpc = 8;
5260 		break;
5261 	case DRM_EDID_DIGITAL_DEPTH_10:
5262 		info->bpc = 10;
5263 		break;
5264 	case DRM_EDID_DIGITAL_DEPTH_12:
5265 		info->bpc = 12;
5266 		break;
5267 	case DRM_EDID_DIGITAL_DEPTH_14:
5268 		info->bpc = 14;
5269 		break;
5270 	case DRM_EDID_DIGITAL_DEPTH_16:
5271 		info->bpc = 16;
5272 		break;
5273 	case DRM_EDID_DIGITAL_DEPTH_UNDEF:
5274 	default:
5275 		info->bpc = 0;
5276 		break;
5277 	}
5278 
5279 	DRM_DEBUG("%s: Assigning EDID-1.4 digital sink color depth as %d bpc.\n",
5280 			  connector->name, info->bpc);
5281 
5282 	info->color_formats |= DRM_COLOR_FORMAT_RGB444;
5283 	if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)
5284 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5285 	if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)
5286 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
5287 	return quirks;
5288 }
5289 
5290 static int validate_displayid(u8 *displayid, int length, int idx)
5291 {
5292 	int i, dispid_length;
5293 	u8 csum = 0;
5294 	struct displayid_hdr *base;
5295 
5296 	base = (struct displayid_hdr *)&displayid[idx];
5297 
5298 	DRM_DEBUG_KMS("base revision 0x%x, length %d, %d %d\n",
5299 		      base->rev, base->bytes, base->prod_id, base->ext_count);
5300 
5301 	/* +1 for DispID checksum */
5302 	dispid_length = sizeof(*base) + base->bytes + 1;
5303 	if (dispid_length > length - idx)
5304 		return -EINVAL;
5305 
5306 	for (i = 0; i < dispid_length; i++)
5307 		csum += displayid[idx + i];
5308 	if (csum) {
5309 		DRM_NOTE("DisplayID checksum invalid, remainder is %d\n", csum);
5310 		return -EINVAL;
5311 	}
5312 
5313 	return 0;
5314 }
5315 
5316 static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev,
5317 							    struct displayid_detailed_timings_1 *timings)
5318 {
5319 	struct drm_display_mode *mode;
5320 	unsigned pixel_clock = (timings->pixel_clock[0] |
5321 				(timings->pixel_clock[1] << 8) |
5322 				(timings->pixel_clock[2] << 16)) + 1;
5323 	unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;
5324 	unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;
5325 	unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1;
5326 	unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1;
5327 	unsigned vactive = (timings->vactive[0] | timings->vactive[1] << 8) + 1;
5328 	unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1;
5329 	unsigned vsync = (timings->vsync[0] | (timings->vsync[1] & 0x7f) << 8) + 1;
5330 	unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1;
5331 	bool hsync_positive = (timings->hsync[1] >> 7) & 0x1;
5332 	bool vsync_positive = (timings->vsync[1] >> 7) & 0x1;
5333 
5334 	mode = drm_mode_create(dev);
5335 	if (!mode)
5336 		return NULL;
5337 
5338 	mode->clock = pixel_clock * 10;
5339 	mode->hdisplay = hactive;
5340 	mode->hsync_start = mode->hdisplay + hsync;
5341 	mode->hsync_end = mode->hsync_start + hsync_width;
5342 	mode->htotal = mode->hdisplay + hblank;
5343 
5344 	mode->vdisplay = vactive;
5345 	mode->vsync_start = mode->vdisplay + vsync;
5346 	mode->vsync_end = mode->vsync_start + vsync_width;
5347 	mode->vtotal = mode->vdisplay + vblank;
5348 
5349 	mode->flags = 0;
5350 	mode->flags |= hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
5351 	mode->flags |= vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
5352 	mode->type = DRM_MODE_TYPE_DRIVER;
5353 
5354 	if (timings->flags & 0x80)
5355 		mode->type |= DRM_MODE_TYPE_PREFERRED;
5356 	drm_mode_set_name(mode);
5357 
5358 	return mode;
5359 }
5360 
5361 static int add_displayid_detailed_1_modes(struct drm_connector *connector,
5362 					  struct displayid_block *block)
5363 {
5364 	struct displayid_detailed_timing_block *det = (struct displayid_detailed_timing_block *)block;
5365 	int i;
5366 	int num_timings;
5367 	struct drm_display_mode *newmode;
5368 	int num_modes = 0;
5369 	/* blocks must be multiple of 20 bytes length */
5370 	if (block->num_bytes % 20)
5371 		return 0;
5372 
5373 	num_timings = block->num_bytes / 20;
5374 	for (i = 0; i < num_timings; i++) {
5375 		struct displayid_detailed_timings_1 *timings = &det->timings[i];
5376 
5377 		newmode = drm_mode_displayid_detailed(connector->dev, timings);
5378 		if (!newmode)
5379 			continue;
5380 
5381 		drm_mode_probed_add(connector, newmode);
5382 		num_modes++;
5383 	}
5384 	return num_modes;
5385 }
5386 
5387 static int add_displayid_detailed_modes(struct drm_connector *connector,
5388 					struct edid *edid)
5389 {
5390 	u8 *displayid;
5391 	int length, idx;
5392 	struct displayid_block *block;
5393 	int num_modes = 0;
5394 	int ext_index = 0;
5395 
5396 	for (;;) {
5397 		displayid = drm_find_displayid_extension(edid, &length, &idx,
5398 							 &ext_index);
5399 		if (!displayid)
5400 			break;
5401 
5402 		idx += sizeof(struct displayid_hdr);
5403 		for_each_displayid_db(displayid, block, idx, length) {
5404 			switch (block->tag) {
5405 			case DATA_BLOCK_TYPE_1_DETAILED_TIMING:
5406 				num_modes += add_displayid_detailed_1_modes(connector, block);
5407 				break;
5408 			}
5409 		}
5410 	}
5411 
5412 	return num_modes;
5413 }
5414 
5415 /**
5416  * drm_add_edid_modes - add modes from EDID data, if available
5417  * @connector: connector we're probing
5418  * @edid: EDID data
5419  *
5420  * Add the specified modes to the connector's mode list. Also fills out the
5421  * &drm_display_info structure and ELD in @connector with any information which
5422  * can be derived from the edid.
5423  *
5424  * Return: The number of modes added or 0 if we couldn't find any.
5425  */
5426 int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
5427 {
5428 	int num_modes = 0;
5429 	u32 quirks;
5430 
5431 	if (edid == NULL) {
5432 		clear_eld(connector);
5433 		return 0;
5434 	}
5435 	if (!drm_edid_is_valid(edid)) {
5436 		clear_eld(connector);
5437 		drm_warn(connector->dev, "%s: EDID invalid.\n",
5438 			 connector->name);
5439 		return 0;
5440 	}
5441 
5442 	drm_edid_to_eld(connector, edid);
5443 
5444 	/*
5445 	 * CEA-861-F adds ycbcr capability map block, for HDMI 2.0 sinks.
5446 	 * To avoid multiple parsing of same block, lets parse that map
5447 	 * from sink info, before parsing CEA modes.
5448 	 */
5449 	quirks = drm_add_display_info(connector, edid);
5450 
5451 	/*
5452 	 * EDID spec says modes should be preferred in this order:
5453 	 * - preferred detailed mode
5454 	 * - other detailed modes from base block
5455 	 * - detailed modes from extension blocks
5456 	 * - CVT 3-byte code modes
5457 	 * - standard timing codes
5458 	 * - established timing codes
5459 	 * - modes inferred from GTF or CVT range information
5460 	 *
5461 	 * We get this pretty much right.
5462 	 *
5463 	 * XXX order for additional mode types in extension blocks?
5464 	 */
5465 	num_modes += add_detailed_modes(connector, edid, quirks);
5466 	num_modes += add_cvt_modes(connector, edid);
5467 	num_modes += add_standard_modes(connector, edid);
5468 	num_modes += add_established_modes(connector, edid);
5469 	num_modes += add_cea_modes(connector, edid);
5470 	num_modes += add_alternate_cea_modes(connector, edid);
5471 	num_modes += add_displayid_detailed_modes(connector, edid);
5472 	if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
5473 		num_modes += add_inferred_modes(connector, edid);
5474 
5475 	if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
5476 		edid_fixup_preferred(connector, quirks);
5477 
5478 	if (quirks & EDID_QUIRK_FORCE_6BPC)
5479 		connector->display_info.bpc = 6;
5480 
5481 	if (quirks & EDID_QUIRK_FORCE_8BPC)
5482 		connector->display_info.bpc = 8;
5483 
5484 	if (quirks & EDID_QUIRK_FORCE_10BPC)
5485 		connector->display_info.bpc = 10;
5486 
5487 	if (quirks & EDID_QUIRK_FORCE_12BPC)
5488 		connector->display_info.bpc = 12;
5489 
5490 	return num_modes;
5491 }
5492 EXPORT_SYMBOL(drm_add_edid_modes);
5493 
5494 /**
5495  * drm_add_modes_noedid - add modes for the connectors without EDID
5496  * @connector: connector we're probing
5497  * @hdisplay: the horizontal display limit
5498  * @vdisplay: the vertical display limit
5499  *
5500  * Add the specified modes to the connector's mode list. Only when the
5501  * hdisplay/vdisplay is not beyond the given limit, it will be added.
5502  *
5503  * Return: The number of modes added or 0 if we couldn't find any.
5504  */
5505 int drm_add_modes_noedid(struct drm_connector *connector,
5506 			int hdisplay, int vdisplay)
5507 {
5508 	int i, count, num_modes = 0;
5509 	struct drm_display_mode *mode;
5510 	struct drm_device *dev = connector->dev;
5511 
5512 	count = ARRAY_SIZE(drm_dmt_modes);
5513 	if (hdisplay < 0)
5514 		hdisplay = 0;
5515 	if (vdisplay < 0)
5516 		vdisplay = 0;
5517 
5518 	for (i = 0; i < count; i++) {
5519 		const struct drm_display_mode *ptr = &drm_dmt_modes[i];
5520 
5521 		if (hdisplay && vdisplay) {
5522 			/*
5523 			 * Only when two are valid, they will be used to check
5524 			 * whether the mode should be added to the mode list of
5525 			 * the connector.
5526 			 */
5527 			if (ptr->hdisplay > hdisplay ||
5528 					ptr->vdisplay > vdisplay)
5529 				continue;
5530 		}
5531 		if (drm_mode_vrefresh(ptr) > 61)
5532 			continue;
5533 		mode = drm_mode_duplicate(dev, ptr);
5534 		if (mode) {
5535 			drm_mode_probed_add(connector, mode);
5536 			num_modes++;
5537 		}
5538 	}
5539 	return num_modes;
5540 }
5541 EXPORT_SYMBOL(drm_add_modes_noedid);
5542 
5543 /**
5544  * drm_set_preferred_mode - Sets the preferred mode of a connector
5545  * @connector: connector whose mode list should be processed
5546  * @hpref: horizontal resolution of preferred mode
5547  * @vpref: vertical resolution of preferred mode
5548  *
5549  * Marks a mode as preferred if it matches the resolution specified by @hpref
5550  * and @vpref.
5551  */
5552 void drm_set_preferred_mode(struct drm_connector *connector,
5553 			   int hpref, int vpref)
5554 {
5555 	struct drm_display_mode *mode;
5556 
5557 	list_for_each_entry(mode, &connector->probed_modes, head) {
5558 		if (mode->hdisplay == hpref &&
5559 		    mode->vdisplay == vpref)
5560 			mode->type |= DRM_MODE_TYPE_PREFERRED;
5561 	}
5562 }
5563 EXPORT_SYMBOL(drm_set_preferred_mode);
5564 
5565 static bool is_hdmi2_sink(const struct drm_connector *connector)
5566 {
5567 	/*
5568 	 * FIXME: sil-sii8620 doesn't have a connector around when
5569 	 * we need one, so we have to be prepared for a NULL connector.
5570 	 */
5571 	if (!connector)
5572 		return true;
5573 
5574 	return connector->display_info.hdmi.scdc.supported ||
5575 		connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB420;
5576 }
5577 
5578 static inline bool is_eotf_supported(u8 output_eotf, u8 sink_eotf)
5579 {
5580 	return sink_eotf & BIT(output_eotf);
5581 }
5582 
5583 /**
5584  * drm_hdmi_infoframe_set_hdr_metadata() - fill an HDMI DRM infoframe with
5585  *                                         HDR metadata from userspace
5586  * @frame: HDMI DRM infoframe
5587  * @conn_state: Connector state containing HDR metadata
5588  *
5589  * Return: 0 on success or a negative error code on failure.
5590  */
5591 int
5592 drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
5593 				    const struct drm_connector_state *conn_state)
5594 {
5595 	struct drm_connector *connector;
5596 	struct hdr_output_metadata *hdr_metadata;
5597 	int err;
5598 
5599 	if (!frame || !conn_state)
5600 		return -EINVAL;
5601 
5602 	connector = conn_state->connector;
5603 
5604 	if (!conn_state->hdr_output_metadata)
5605 		return -EINVAL;
5606 
5607 	hdr_metadata = conn_state->hdr_output_metadata->data;
5608 
5609 	if (!hdr_metadata || !connector)
5610 		return -EINVAL;
5611 
5612 	/* Sink EOTF is Bit map while infoframe is absolute values */
5613 	if (!is_eotf_supported(hdr_metadata->hdmi_metadata_type1.eotf,
5614 	    connector->hdr_sink_metadata.hdmi_type1.eotf)) {
5615 		DRM_DEBUG_KMS("EOTF Not Supported\n");
5616 		return -EINVAL;
5617 	}
5618 
5619 	err = hdmi_drm_infoframe_init(frame);
5620 	if (err < 0)
5621 		return err;
5622 
5623 	frame->eotf = hdr_metadata->hdmi_metadata_type1.eotf;
5624 	frame->metadata_type = hdr_metadata->hdmi_metadata_type1.metadata_type;
5625 
5626 	BUILD_BUG_ON(sizeof(frame->display_primaries) !=
5627 		     sizeof(hdr_metadata->hdmi_metadata_type1.display_primaries));
5628 	BUILD_BUG_ON(sizeof(frame->white_point) !=
5629 		     sizeof(hdr_metadata->hdmi_metadata_type1.white_point));
5630 
5631 	memcpy(&frame->display_primaries,
5632 	       &hdr_metadata->hdmi_metadata_type1.display_primaries,
5633 	       sizeof(frame->display_primaries));
5634 
5635 	memcpy(&frame->white_point,
5636 	       &hdr_metadata->hdmi_metadata_type1.white_point,
5637 	       sizeof(frame->white_point));
5638 
5639 	frame->max_display_mastering_luminance =
5640 		hdr_metadata->hdmi_metadata_type1.max_display_mastering_luminance;
5641 	frame->min_display_mastering_luminance =
5642 		hdr_metadata->hdmi_metadata_type1.min_display_mastering_luminance;
5643 	frame->max_fall = hdr_metadata->hdmi_metadata_type1.max_fall;
5644 	frame->max_cll = hdr_metadata->hdmi_metadata_type1.max_cll;
5645 
5646 	return 0;
5647 }
5648 EXPORT_SYMBOL(drm_hdmi_infoframe_set_hdr_metadata);
5649 
5650 static u8 drm_mode_hdmi_vic(const struct drm_connector *connector,
5651 			    const struct drm_display_mode *mode)
5652 {
5653 	bool has_hdmi_infoframe = connector ?
5654 		connector->display_info.has_hdmi_infoframe : false;
5655 
5656 	if (!has_hdmi_infoframe)
5657 		return 0;
5658 
5659 	/* No HDMI VIC when signalling 3D video format */
5660 	if (mode->flags & DRM_MODE_FLAG_3D_MASK)
5661 		return 0;
5662 
5663 	return drm_match_hdmi_mode(mode);
5664 }
5665 
5666 static u8 drm_mode_cea_vic(const struct drm_connector *connector,
5667 			   const struct drm_display_mode *mode)
5668 {
5669 	u8 vic;
5670 
5671 	/*
5672 	 * HDMI spec says if a mode is found in HDMI 1.4b 4K modes
5673 	 * we should send its VIC in vendor infoframes, else send the
5674 	 * VIC in AVI infoframes. Lets check if this mode is present in
5675 	 * HDMI 1.4b 4K modes
5676 	 */
5677 	if (drm_mode_hdmi_vic(connector, mode))
5678 		return 0;
5679 
5680 	vic = drm_match_cea_mode(mode);
5681 
5682 	/*
5683 	 * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but
5684 	 * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we
5685 	 * have to make sure we dont break HDMI 1.4 sinks.
5686 	 */
5687 	if (!is_hdmi2_sink(connector) && vic > 64)
5688 		return 0;
5689 
5690 	return vic;
5691 }
5692 
5693 /**
5694  * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with
5695  *                                              data from a DRM display mode
5696  * @frame: HDMI AVI infoframe
5697  * @connector: the connector
5698  * @mode: DRM display mode
5699  *
5700  * Return: 0 on success or a negative error code on failure.
5701  */
5702 int
5703 drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
5704 					 const struct drm_connector *connector,
5705 					 const struct drm_display_mode *mode)
5706 {
5707 	enum hdmi_picture_aspect picture_aspect;
5708 	u8 vic, hdmi_vic;
5709 
5710 	if (!frame || !mode)
5711 		return -EINVAL;
5712 
5713 	hdmi_avi_infoframe_init(frame);
5714 
5715 	if (mode->flags & DRM_MODE_FLAG_DBLCLK)
5716 		frame->pixel_repeat = 1;
5717 
5718 	vic = drm_mode_cea_vic(connector, mode);
5719 	hdmi_vic = drm_mode_hdmi_vic(connector, mode);
5720 
5721 	frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5722 
5723 	/*
5724 	 * As some drivers don't support atomic, we can't use connector state.
5725 	 * So just initialize the frame with default values, just the same way
5726 	 * as it's done with other properties here.
5727 	 */
5728 	frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
5729 	frame->itc = 0;
5730 
5731 	/*
5732 	 * Populate picture aspect ratio from either
5733 	 * user input (if specified) or from the CEA/HDMI mode lists.
5734 	 */
5735 	picture_aspect = mode->picture_aspect_ratio;
5736 	if (picture_aspect == HDMI_PICTURE_ASPECT_NONE) {
5737 		if (vic)
5738 			picture_aspect = drm_get_cea_aspect_ratio(vic);
5739 		else if (hdmi_vic)
5740 			picture_aspect = drm_get_hdmi_aspect_ratio(hdmi_vic);
5741 	}
5742 
5743 	/*
5744 	 * The infoframe can't convey anything but none, 4:3
5745 	 * and 16:9, so if the user has asked for anything else
5746 	 * we can only satisfy it by specifying the right VIC.
5747 	 */
5748 	if (picture_aspect > HDMI_PICTURE_ASPECT_16_9) {
5749 		if (vic) {
5750 			if (picture_aspect != drm_get_cea_aspect_ratio(vic))
5751 				return -EINVAL;
5752 		} else if (hdmi_vic) {
5753 			if (picture_aspect != drm_get_hdmi_aspect_ratio(hdmi_vic))
5754 				return -EINVAL;
5755 		} else {
5756 			return -EINVAL;
5757 		}
5758 
5759 		picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5760 	}
5761 
5762 	frame->video_code = vic;
5763 	frame->picture_aspect = picture_aspect;
5764 	frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
5765 	frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
5766 
5767 	return 0;
5768 }
5769 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode);
5770 
5771 /* HDMI Colorspace Spec Definitions */
5772 #define FULL_COLORIMETRY_MASK		0x1FF
5773 #define NORMAL_COLORIMETRY_MASK		0x3
5774 #define EXTENDED_COLORIMETRY_MASK	0x7
5775 #define EXTENDED_ACE_COLORIMETRY_MASK	0xF
5776 
5777 #define C(x) ((x) << 0)
5778 #define EC(x) ((x) << 2)
5779 #define ACE(x) ((x) << 5)
5780 
5781 #define HDMI_COLORIMETRY_NO_DATA		0x0
5782 #define HDMI_COLORIMETRY_SMPTE_170M_YCC		(C(1) | EC(0) | ACE(0))
5783 #define HDMI_COLORIMETRY_BT709_YCC		(C(2) | EC(0) | ACE(0))
5784 #define HDMI_COLORIMETRY_XVYCC_601		(C(3) | EC(0) | ACE(0))
5785 #define HDMI_COLORIMETRY_XVYCC_709		(C(3) | EC(1) | ACE(0))
5786 #define HDMI_COLORIMETRY_SYCC_601		(C(3) | EC(2) | ACE(0))
5787 #define HDMI_COLORIMETRY_OPYCC_601		(C(3) | EC(3) | ACE(0))
5788 #define HDMI_COLORIMETRY_OPRGB			(C(3) | EC(4) | ACE(0))
5789 #define HDMI_COLORIMETRY_BT2020_CYCC		(C(3) | EC(5) | ACE(0))
5790 #define HDMI_COLORIMETRY_BT2020_RGB		(C(3) | EC(6) | ACE(0))
5791 #define HDMI_COLORIMETRY_BT2020_YCC		(C(3) | EC(6) | ACE(0))
5792 #define HDMI_COLORIMETRY_DCI_P3_RGB_D65		(C(3) | EC(7) | ACE(0))
5793 #define HDMI_COLORIMETRY_DCI_P3_RGB_THEATER	(C(3) | EC(7) | ACE(1))
5794 
5795 static const u32 hdmi_colorimetry_val[] = {
5796 	[DRM_MODE_COLORIMETRY_NO_DATA] = HDMI_COLORIMETRY_NO_DATA,
5797 	[DRM_MODE_COLORIMETRY_SMPTE_170M_YCC] = HDMI_COLORIMETRY_SMPTE_170M_YCC,
5798 	[DRM_MODE_COLORIMETRY_BT709_YCC] = HDMI_COLORIMETRY_BT709_YCC,
5799 	[DRM_MODE_COLORIMETRY_XVYCC_601] = HDMI_COLORIMETRY_XVYCC_601,
5800 	[DRM_MODE_COLORIMETRY_XVYCC_709] = HDMI_COLORIMETRY_XVYCC_709,
5801 	[DRM_MODE_COLORIMETRY_SYCC_601] = HDMI_COLORIMETRY_SYCC_601,
5802 	[DRM_MODE_COLORIMETRY_OPYCC_601] = HDMI_COLORIMETRY_OPYCC_601,
5803 	[DRM_MODE_COLORIMETRY_OPRGB] = HDMI_COLORIMETRY_OPRGB,
5804 	[DRM_MODE_COLORIMETRY_BT2020_CYCC] = HDMI_COLORIMETRY_BT2020_CYCC,
5805 	[DRM_MODE_COLORIMETRY_BT2020_RGB] = HDMI_COLORIMETRY_BT2020_RGB,
5806 	[DRM_MODE_COLORIMETRY_BT2020_YCC] = HDMI_COLORIMETRY_BT2020_YCC,
5807 };
5808 
5809 #undef C
5810 #undef EC
5811 #undef ACE
5812 
5813 /**
5814  * drm_hdmi_avi_infoframe_colorspace() - fill the HDMI AVI infoframe
5815  *                                       colorspace information
5816  * @frame: HDMI AVI infoframe
5817  * @conn_state: connector state
5818  */
5819 void
5820 drm_hdmi_avi_infoframe_colorspace(struct hdmi_avi_infoframe *frame,
5821 				  const struct drm_connector_state *conn_state)
5822 {
5823 	u32 colorimetry_val;
5824 	u32 colorimetry_index = conn_state->colorspace & FULL_COLORIMETRY_MASK;
5825 
5826 	if (colorimetry_index >= ARRAY_SIZE(hdmi_colorimetry_val))
5827 		colorimetry_val = HDMI_COLORIMETRY_NO_DATA;
5828 	else
5829 		colorimetry_val = hdmi_colorimetry_val[colorimetry_index];
5830 
5831 	frame->colorimetry = colorimetry_val & NORMAL_COLORIMETRY_MASK;
5832 	/*
5833 	 * ToDo: Extend it for ACE formats as well. Modify the infoframe
5834 	 * structure and extend it in drivers/video/hdmi
5835 	 */
5836 	frame->extended_colorimetry = (colorimetry_val >> 2) &
5837 					EXTENDED_COLORIMETRY_MASK;
5838 }
5839 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_colorspace);
5840 
5841 /**
5842  * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
5843  *                                        quantization range information
5844  * @frame: HDMI AVI infoframe
5845  * @connector: the connector
5846  * @mode: DRM display mode
5847  * @rgb_quant_range: RGB quantization range (Q)
5848  */
5849 void
5850 drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
5851 				   const struct drm_connector *connector,
5852 				   const struct drm_display_mode *mode,
5853 				   enum hdmi_quantization_range rgb_quant_range)
5854 {
5855 	const struct drm_display_info *info = &connector->display_info;
5856 
5857 	/*
5858 	 * CEA-861:
5859 	 * "A Source shall not send a non-zero Q value that does not correspond
5860 	 *  to the default RGB Quantization Range for the transmitted Picture
5861 	 *  unless the Sink indicates support for the Q bit in a Video
5862 	 *  Capabilities Data Block."
5863 	 *
5864 	 * HDMI 2.0 recommends sending non-zero Q when it does match the
5865 	 * default RGB quantization range for the mode, even when QS=0.
5866 	 */
5867 	if (info->rgb_quant_range_selectable ||
5868 	    rgb_quant_range == drm_default_rgb_quant_range(mode))
5869 		frame->quantization_range = rgb_quant_range;
5870 	else
5871 		frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
5872 
5873 	/*
5874 	 * CEA-861-F:
5875 	 * "When transmitting any RGB colorimetry, the Source should set the
5876 	 *  YQ-field to match the RGB Quantization Range being transmitted
5877 	 *  (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB,
5878 	 *  set YQ=1) and the Sink shall ignore the YQ-field."
5879 	 *
5880 	 * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused
5881 	 * by non-zero YQ when receiving RGB. There doesn't seem to be any
5882 	 * good way to tell which version of CEA-861 the sink supports, so
5883 	 * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based
5884 	 * on on CEA-861-F.
5885 	 */
5886 	if (!is_hdmi2_sink(connector) ||
5887 	    rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
5888 		frame->ycc_quantization_range =
5889 			HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
5890 	else
5891 		frame->ycc_quantization_range =
5892 			HDMI_YCC_QUANTIZATION_RANGE_FULL;
5893 }
5894 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);
5895 
5896 /**
5897  * drm_hdmi_avi_infoframe_bars() - fill the HDMI AVI infoframe
5898  *                                 bar information
5899  * @frame: HDMI AVI infoframe
5900  * @conn_state: connector state
5901  */
5902 void
5903 drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
5904 			    const struct drm_connector_state *conn_state)
5905 {
5906 	frame->right_bar = conn_state->tv.margins.right;
5907 	frame->left_bar = conn_state->tv.margins.left;
5908 	frame->top_bar = conn_state->tv.margins.top;
5909 	frame->bottom_bar = conn_state->tv.margins.bottom;
5910 }
5911 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_bars);
5912 
5913 static enum hdmi_3d_structure
5914 s3d_structure_from_display_mode(const struct drm_display_mode *mode)
5915 {
5916 	u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK;
5917 
5918 	switch (layout) {
5919 	case DRM_MODE_FLAG_3D_FRAME_PACKING:
5920 		return HDMI_3D_STRUCTURE_FRAME_PACKING;
5921 	case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:
5922 		return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE;
5923 	case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:
5924 		return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE;
5925 	case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:
5926 		return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL;
5927 	case DRM_MODE_FLAG_3D_L_DEPTH:
5928 		return HDMI_3D_STRUCTURE_L_DEPTH;
5929 	case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:
5930 		return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH;
5931 	case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
5932 		return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM;
5933 	case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
5934 		return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF;
5935 	default:
5936 		return HDMI_3D_STRUCTURE_INVALID;
5937 	}
5938 }
5939 
5940 /**
5941  * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with
5942  * data from a DRM display mode
5943  * @frame: HDMI vendor infoframe
5944  * @connector: the connector
5945  * @mode: DRM display mode
5946  *
5947  * Note that there's is a need to send HDMI vendor infoframes only when using a
5948  * 4k or stereoscopic 3D mode. So when giving any other mode as input this
5949  * function will return -EINVAL, error that can be safely ignored.
5950  *
5951  * Return: 0 on success or a negative error code on failure.
5952  */
5953 int
5954 drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
5955 					    const struct drm_connector *connector,
5956 					    const struct drm_display_mode *mode)
5957 {
5958 	/*
5959 	 * FIXME: sil-sii8620 doesn't have a connector around when
5960 	 * we need one, so we have to be prepared for a NULL connector.
5961 	 */
5962 	bool has_hdmi_infoframe = connector ?
5963 		connector->display_info.has_hdmi_infoframe : false;
5964 	int err;
5965 
5966 	if (!frame || !mode)
5967 		return -EINVAL;
5968 
5969 	if (!has_hdmi_infoframe)
5970 		return -EINVAL;
5971 
5972 	err = hdmi_vendor_infoframe_init(frame);
5973 	if (err < 0)
5974 		return err;
5975 
5976 	/*
5977 	 * Even if it's not absolutely necessary to send the infoframe
5978 	 * (ie.vic==0 and s3d_struct==0) we will still send it if we
5979 	 * know that the sink can handle it. This is based on a
5980 	 * suggestion in HDMI 2.0 Appendix F. Apparently some sinks
5981 	 * have trouble realizing that they shuld switch from 3D to 2D
5982 	 * mode if the source simply stops sending the infoframe when
5983 	 * it wants to switch from 3D to 2D.
5984 	 */
5985 	frame->vic = drm_mode_hdmi_vic(connector, mode);
5986 	frame->s3d_struct = s3d_structure_from_display_mode(mode);
5987 
5988 	return 0;
5989 }
5990 EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode);
5991 
5992 static void drm_parse_tiled_block(struct drm_connector *connector,
5993 				  const struct displayid_block *block)
5994 {
5995 	const struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block;
5996 	u16 w, h;
5997 	u8 tile_v_loc, tile_h_loc;
5998 	u8 num_v_tile, num_h_tile;
5999 	struct drm_tile_group *tg;
6000 
6001 	w = tile->tile_size[0] | tile->tile_size[1] << 8;
6002 	h = tile->tile_size[2] | tile->tile_size[3] << 8;
6003 
6004 	num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30);
6005 	num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30);
6006 	tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4);
6007 	tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4);
6008 
6009 	connector->has_tile = true;
6010 	if (tile->tile_cap & 0x80)
6011 		connector->tile_is_single_monitor = true;
6012 
6013 	connector->num_h_tile = num_h_tile + 1;
6014 	connector->num_v_tile = num_v_tile + 1;
6015 	connector->tile_h_loc = tile_h_loc;
6016 	connector->tile_v_loc = tile_v_loc;
6017 	connector->tile_h_size = w + 1;
6018 	connector->tile_v_size = h + 1;
6019 
6020 	DRM_DEBUG_KMS("tile cap 0x%x\n", tile->tile_cap);
6021 	DRM_DEBUG_KMS("tile_size %d x %d\n", w + 1, h + 1);
6022 	DRM_DEBUG_KMS("topo num tiles %dx%d, location %dx%d\n",
6023 		      num_h_tile + 1, num_v_tile + 1, tile_h_loc, tile_v_loc);
6024 	DRM_DEBUG_KMS("vend %c%c%c\n", tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]);
6025 
6026 	tg = drm_mode_get_tile_group(connector->dev, tile->topology_id);
6027 	if (!tg)
6028 		tg = drm_mode_create_tile_group(connector->dev, tile->topology_id);
6029 	if (!tg)
6030 		return;
6031 
6032 	if (connector->tile_group != tg) {
6033 		/* if we haven't got a pointer,
6034 		   take the reference, drop ref to old tile group */
6035 		if (connector->tile_group)
6036 			drm_mode_put_tile_group(connector->dev, connector->tile_group);
6037 		connector->tile_group = tg;
6038 	} else {
6039 		/* if same tile group, then release the ref we just took. */
6040 		drm_mode_put_tile_group(connector->dev, tg);
6041 	}
6042 }
6043 
6044 static void drm_displayid_parse_tiled(struct drm_connector *connector,
6045 				      const u8 *displayid, int length, int idx)
6046 {
6047 	const struct displayid_block *block;
6048 
6049 	idx += sizeof(struct displayid_hdr);
6050 	for_each_displayid_db(displayid, block, idx, length) {
6051 		DRM_DEBUG_KMS("block id 0x%x, rev %d, len %d\n",
6052 			      block->tag, block->rev, block->num_bytes);
6053 
6054 		switch (block->tag) {
6055 		case DATA_BLOCK_TILED_DISPLAY:
6056 			drm_parse_tiled_block(connector, block);
6057 			break;
6058 		default:
6059 			DRM_DEBUG_KMS("found DisplayID tag 0x%x, unhandled\n", block->tag);
6060 			break;
6061 		}
6062 	}
6063 }
6064 
6065 void drm_update_tile_info(struct drm_connector *connector,
6066 			  const struct edid *edid)
6067 {
6068 	const void *displayid = NULL;
6069 	int ext_index = 0;
6070 	int length, idx;
6071 
6072 	connector->has_tile = false;
6073 	for (;;) {
6074 		displayid = drm_find_displayid_extension(edid, &length, &idx,
6075 							 &ext_index);
6076 		if (!displayid)
6077 			break;
6078 
6079 		drm_displayid_parse_tiled(connector, displayid, length, idx);
6080 	}
6081 
6082 	if (!connector->has_tile && connector->tile_group) {
6083 		drm_mode_put_tile_group(connector->dev, connector->tile_group);
6084 		connector->tile_group = NULL;
6085 	}
6086 }
6087