xref: /openbmc/linux/drivers/gpu/drm/drm_edid.c (revision 76ce0265)
1 /*
2  * Copyright (c) 2006 Luc Verhaegen (quirks list)
3  * Copyright (c) 2007-2008 Intel Corporation
4  *   Jesse Barnes <jesse.barnes@intel.com>
5  * Copyright 2010 Red Hat, Inc.
6  *
7  * DDC probing routines (drm_ddc_read & drm_do_probe_ddc_edid) originally from
8  * FB layer.
9  *   Copyright (C) 2006 Dennis Munsie <dmunsie@cecropia.com>
10  *
11  * Permission is hereby granted, free of charge, to any person obtaining a
12  * copy of this software and associated documentation files (the "Software"),
13  * to deal in the Software without restriction, including without limitation
14  * the rights to use, copy, modify, merge, publish, distribute, sub license,
15  * and/or sell copies of the Software, and to permit persons to whom the
16  * Software is furnished to do so, subject to the following conditions:
17  *
18  * The above copyright notice and this permission notice (including the
19  * next paragraph) shall be included in all copies or substantial portions
20  * of the Software.
21  *
22  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
23  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
25  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
26  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
27  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
28  * DEALINGS IN THE SOFTWARE.
29  */
30 
31 #include <linux/hdmi.h>
32 #include <linux/i2c.h>
33 #include <linux/kernel.h>
34 #include <linux/module.h>
35 #include <linux/slab.h>
36 #include <linux/vga_switcheroo.h>
37 
38 #include <drm/drm_displayid.h>
39 #include <drm/drm_drv.h>
40 #include <drm/drm_edid.h>
41 #include <drm/drm_encoder.h>
42 #include <drm/drm_print.h>
43 #include <drm/drm_scdc_helper.h>
44 
45 #include "drm_crtc_internal.h"
46 
47 #define version_greater(edid, maj, min) \
48 	(((edid)->version > (maj)) || \
49 	 ((edid)->version == (maj) && (edid)->revision > (min)))
50 
51 #define EDID_EST_TIMINGS 16
52 #define EDID_STD_TIMINGS 8
53 #define EDID_DETAILED_TIMINGS 4
54 
55 /*
56  * EDID blocks out in the wild have a variety of bugs, try to collect
57  * them here (note that userspace may work around broken monitors first,
58  * but fixes should make their way here so that the kernel "just works"
59  * on as many displays as possible).
60  */
61 
62 /* First detailed mode wrong, use largest 60Hz mode */
63 #define EDID_QUIRK_PREFER_LARGE_60		(1 << 0)
64 /* Reported 135MHz pixel clock is too high, needs adjustment */
65 #define EDID_QUIRK_135_CLOCK_TOO_HIGH		(1 << 1)
66 /* Prefer the largest mode at 75 Hz */
67 #define EDID_QUIRK_PREFER_LARGE_75		(1 << 2)
68 /* Detail timing is in cm not mm */
69 #define EDID_QUIRK_DETAILED_IN_CM		(1 << 3)
70 /* Detailed timing descriptors have bogus size values, so just take the
71  * maximum size and use that.
72  */
73 #define EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE	(1 << 4)
74 /* use +hsync +vsync for detailed mode */
75 #define EDID_QUIRK_DETAILED_SYNC_PP		(1 << 6)
76 /* Force reduced-blanking timings for detailed modes */
77 #define EDID_QUIRK_FORCE_REDUCED_BLANKING	(1 << 7)
78 /* Force 8bpc */
79 #define EDID_QUIRK_FORCE_8BPC			(1 << 8)
80 /* Force 12bpc */
81 #define EDID_QUIRK_FORCE_12BPC			(1 << 9)
82 /* Force 6bpc */
83 #define EDID_QUIRK_FORCE_6BPC			(1 << 10)
84 /* Force 10bpc */
85 #define EDID_QUIRK_FORCE_10BPC			(1 << 11)
86 /* Non desktop display (i.e. HMD) */
87 #define EDID_QUIRK_NON_DESKTOP			(1 << 12)
88 
89 struct detailed_mode_closure {
90 	struct drm_connector *connector;
91 	struct edid *edid;
92 	bool preferred;
93 	u32 quirks;
94 	int modes;
95 };
96 
97 #define LEVEL_DMT	0
98 #define LEVEL_GTF	1
99 #define LEVEL_GTF2	2
100 #define LEVEL_CVT	3
101 
102 static const struct edid_quirk {
103 	char vendor[4];
104 	int product_id;
105 	u32 quirks;
106 } edid_quirk_list[] = {
107 	/* Acer AL1706 */
108 	{ "ACR", 44358, EDID_QUIRK_PREFER_LARGE_60 },
109 	/* Acer F51 */
110 	{ "API", 0x7602, EDID_QUIRK_PREFER_LARGE_60 },
111 
112 	/* AEO model 0 reports 8 bpc, but is a 6 bpc panel */
113 	{ "AEO", 0, EDID_QUIRK_FORCE_6BPC },
114 
115 	/* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */
116 	{ "BOE", 0x78b, EDID_QUIRK_FORCE_6BPC },
117 
118 	/* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */
119 	{ "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC },
120 
121 	/* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */
122 	{ "SDC", 0x3652, EDID_QUIRK_FORCE_6BPC },
123 
124 	/* BOE model 0x0771 reports 8 bpc, but is a 6 bpc panel */
125 	{ "BOE", 0x0771, EDID_QUIRK_FORCE_6BPC },
126 
127 	/* Belinea 10 15 55 */
128 	{ "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 },
129 	{ "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 },
130 
131 	/* Envision Peripherals, Inc. EN-7100e */
132 	{ "EPI", 59264, EDID_QUIRK_135_CLOCK_TOO_HIGH },
133 	/* Envision EN2028 */
134 	{ "EPI", 8232, EDID_QUIRK_PREFER_LARGE_60 },
135 
136 	/* Funai Electronics PM36B */
137 	{ "FCM", 13600, EDID_QUIRK_PREFER_LARGE_75 |
138 	  EDID_QUIRK_DETAILED_IN_CM },
139 
140 	/* LGD panel of HP zBook 17 G2, eDP 10 bpc, but reports unknown bpc */
141 	{ "LGD", 764, EDID_QUIRK_FORCE_10BPC },
142 
143 	/* LG Philips LCD LP154W01-A5 */
144 	{ "LPL", 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
145 	{ "LPL", 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
146 
147 	/* Samsung SyncMaster 205BW.  Note: irony */
148 	{ "SAM", 541, EDID_QUIRK_DETAILED_SYNC_PP },
149 	/* Samsung SyncMaster 22[5-6]BW */
150 	{ "SAM", 596, EDID_QUIRK_PREFER_LARGE_60 },
151 	{ "SAM", 638, EDID_QUIRK_PREFER_LARGE_60 },
152 
153 	/* Sony PVM-2541A does up to 12 bpc, but only reports max 8 bpc */
154 	{ "SNY", 0x2541, EDID_QUIRK_FORCE_12BPC },
155 
156 	/* ViewSonic VA2026w */
157 	{ "VSC", 5020, EDID_QUIRK_FORCE_REDUCED_BLANKING },
158 
159 	/* Medion MD 30217 PG */
160 	{ "MED", 0x7b8, EDID_QUIRK_PREFER_LARGE_75 },
161 
162 	/* Lenovo G50 */
163 	{ "SDC", 18514, EDID_QUIRK_FORCE_6BPC },
164 
165 	/* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */
166 	{ "SEC", 0xd033, EDID_QUIRK_FORCE_8BPC },
167 
168 	/* Rotel RSX-1058 forwards sink's EDID but only does HDMI 1.1*/
169 	{ "ETR", 13896, EDID_QUIRK_FORCE_8BPC },
170 
171 	/* Valve Index Headset */
172 	{ "VLV", 0x91a8, EDID_QUIRK_NON_DESKTOP },
173 	{ "VLV", 0x91b0, EDID_QUIRK_NON_DESKTOP },
174 	{ "VLV", 0x91b1, EDID_QUIRK_NON_DESKTOP },
175 	{ "VLV", 0x91b2, EDID_QUIRK_NON_DESKTOP },
176 	{ "VLV", 0x91b3, EDID_QUIRK_NON_DESKTOP },
177 	{ "VLV", 0x91b4, EDID_QUIRK_NON_DESKTOP },
178 	{ "VLV", 0x91b5, EDID_QUIRK_NON_DESKTOP },
179 	{ "VLV", 0x91b6, EDID_QUIRK_NON_DESKTOP },
180 	{ "VLV", 0x91b7, EDID_QUIRK_NON_DESKTOP },
181 	{ "VLV", 0x91b8, EDID_QUIRK_NON_DESKTOP },
182 	{ "VLV", 0x91b9, EDID_QUIRK_NON_DESKTOP },
183 	{ "VLV", 0x91ba, EDID_QUIRK_NON_DESKTOP },
184 	{ "VLV", 0x91bb, EDID_QUIRK_NON_DESKTOP },
185 	{ "VLV", 0x91bc, EDID_QUIRK_NON_DESKTOP },
186 	{ "VLV", 0x91bd, EDID_QUIRK_NON_DESKTOP },
187 	{ "VLV", 0x91be, EDID_QUIRK_NON_DESKTOP },
188 	{ "VLV", 0x91bf, EDID_QUIRK_NON_DESKTOP },
189 
190 	/* HTC Vive and Vive Pro VR Headsets */
191 	{ "HVR", 0xaa01, EDID_QUIRK_NON_DESKTOP },
192 	{ "HVR", 0xaa02, EDID_QUIRK_NON_DESKTOP },
193 
194 	/* Oculus Rift DK1, DK2, and CV1 VR Headsets */
195 	{ "OVR", 0x0001, EDID_QUIRK_NON_DESKTOP },
196 	{ "OVR", 0x0003, EDID_QUIRK_NON_DESKTOP },
197 	{ "OVR", 0x0004, EDID_QUIRK_NON_DESKTOP },
198 
199 	/* Windows Mixed Reality Headsets */
200 	{ "ACR", 0x7fce, EDID_QUIRK_NON_DESKTOP },
201 	{ "HPN", 0x3515, EDID_QUIRK_NON_DESKTOP },
202 	{ "LEN", 0x0408, EDID_QUIRK_NON_DESKTOP },
203 	{ "LEN", 0xb800, EDID_QUIRK_NON_DESKTOP },
204 	{ "FUJ", 0x1970, EDID_QUIRK_NON_DESKTOP },
205 	{ "DEL", 0x7fce, EDID_QUIRK_NON_DESKTOP },
206 	{ "SEC", 0x144a, EDID_QUIRK_NON_DESKTOP },
207 	{ "AUS", 0xc102, EDID_QUIRK_NON_DESKTOP },
208 
209 	/* Sony PlayStation VR Headset */
210 	{ "SNY", 0x0704, EDID_QUIRK_NON_DESKTOP },
211 
212 	/* Sensics VR Headsets */
213 	{ "SEN", 0x1019, EDID_QUIRK_NON_DESKTOP },
214 
215 	/* OSVR HDK and HDK2 VR Headsets */
216 	{ "SVR", 0x1019, EDID_QUIRK_NON_DESKTOP },
217 };
218 
219 /*
220  * Autogenerated from the DMT spec.
221  * This table is copied from xfree86/modes/xf86EdidModes.c.
222  */
223 static const struct drm_display_mode drm_dmt_modes[] = {
224 	/* 0x01 - 640x350@85Hz */
225 	{ DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
226 		   736, 832, 0, 350, 382, 385, 445, 0,
227 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
228 	/* 0x02 - 640x400@85Hz */
229 	{ DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
230 		   736, 832, 0, 400, 401, 404, 445, 0,
231 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
232 	/* 0x03 - 720x400@85Hz */
233 	{ DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 756,
234 		   828, 936, 0, 400, 401, 404, 446, 0,
235 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
236 	/* 0x04 - 640x480@60Hz */
237 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
238 		   752, 800, 0, 480, 490, 492, 525, 0,
239 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
240 	/* 0x05 - 640x480@72Hz */
241 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
242 		   704, 832, 0, 480, 489, 492, 520, 0,
243 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
244 	/* 0x06 - 640x480@75Hz */
245 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
246 		   720, 840, 0, 480, 481, 484, 500, 0,
247 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
248 	/* 0x07 - 640x480@85Hz */
249 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 36000, 640, 696,
250 		   752, 832, 0, 480, 481, 484, 509, 0,
251 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
252 	/* 0x08 - 800x600@56Hz */
253 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
254 		   896, 1024, 0, 600, 601, 603, 625, 0,
255 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
256 	/* 0x09 - 800x600@60Hz */
257 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
258 		   968, 1056, 0, 600, 601, 605, 628, 0,
259 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
260 	/* 0x0a - 800x600@72Hz */
261 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
262 		   976, 1040, 0, 600, 637, 643, 666, 0,
263 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
264 	/* 0x0b - 800x600@75Hz */
265 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
266 		   896, 1056, 0, 600, 601, 604, 625, 0,
267 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
268 	/* 0x0c - 800x600@85Hz */
269 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 56250, 800, 832,
270 		   896, 1048, 0, 600, 601, 604, 631, 0,
271 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
272 	/* 0x0d - 800x600@120Hz RB */
273 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 73250, 800, 848,
274 		   880, 960, 0, 600, 603, 607, 636, 0,
275 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
276 	/* 0x0e - 848x480@60Hz */
277 	{ DRM_MODE("848x480", DRM_MODE_TYPE_DRIVER, 33750, 848, 864,
278 		   976, 1088, 0, 480, 486, 494, 517, 0,
279 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
280 	/* 0x0f - 1024x768@43Hz, interlace */
281 	{ DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032,
282 		   1208, 1264, 0, 768, 768, 776, 817, 0,
283 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
284 		   DRM_MODE_FLAG_INTERLACE) },
285 	/* 0x10 - 1024x768@60Hz */
286 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
287 		   1184, 1344, 0, 768, 771, 777, 806, 0,
288 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
289 	/* 0x11 - 1024x768@70Hz */
290 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
291 		   1184, 1328, 0, 768, 771, 777, 806, 0,
292 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
293 	/* 0x12 - 1024x768@75Hz */
294 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
295 		   1136, 1312, 0, 768, 769, 772, 800, 0,
296 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
297 	/* 0x13 - 1024x768@85Hz */
298 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 94500, 1024, 1072,
299 		   1168, 1376, 0, 768, 769, 772, 808, 0,
300 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
301 	/* 0x14 - 1024x768@120Hz RB */
302 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 115500, 1024, 1072,
303 		   1104, 1184, 0, 768, 771, 775, 813, 0,
304 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
305 	/* 0x15 - 1152x864@75Hz */
306 	{ DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
307 		   1344, 1600, 0, 864, 865, 868, 900, 0,
308 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
309 	/* 0x55 - 1280x720@60Hz */
310 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
311 		   1430, 1650, 0, 720, 725, 730, 750, 0,
312 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
313 	/* 0x16 - 1280x768@60Hz RB */
314 	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 68250, 1280, 1328,
315 		   1360, 1440, 0, 768, 771, 778, 790, 0,
316 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
317 	/* 0x17 - 1280x768@60Hz */
318 	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
319 		   1472, 1664, 0, 768, 771, 778, 798, 0,
320 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
321 	/* 0x18 - 1280x768@75Hz */
322 	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 102250, 1280, 1360,
323 		   1488, 1696, 0, 768, 771, 778, 805, 0,
324 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
325 	/* 0x19 - 1280x768@85Hz */
326 	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 117500, 1280, 1360,
327 		   1496, 1712, 0, 768, 771, 778, 809, 0,
328 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
329 	/* 0x1a - 1280x768@120Hz RB */
330 	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 140250, 1280, 1328,
331 		   1360, 1440, 0, 768, 771, 778, 813, 0,
332 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
333 	/* 0x1b - 1280x800@60Hz RB */
334 	{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 71000, 1280, 1328,
335 		   1360, 1440, 0, 800, 803, 809, 823, 0,
336 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
337 	/* 0x1c - 1280x800@60Hz */
338 	{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
339 		   1480, 1680, 0, 800, 803, 809, 831, 0,
340 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
341 	/* 0x1d - 1280x800@75Hz */
342 	{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 106500, 1280, 1360,
343 		   1488, 1696, 0, 800, 803, 809, 838, 0,
344 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
345 	/* 0x1e - 1280x800@85Hz */
346 	{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 122500, 1280, 1360,
347 		   1496, 1712, 0, 800, 803, 809, 843, 0,
348 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
349 	/* 0x1f - 1280x800@120Hz RB */
350 	{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 146250, 1280, 1328,
351 		   1360, 1440, 0, 800, 803, 809, 847, 0,
352 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
353 	/* 0x20 - 1280x960@60Hz */
354 	{ DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
355 		   1488, 1800, 0, 960, 961, 964, 1000, 0,
356 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
357 	/* 0x21 - 1280x960@85Hz */
358 	{ DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1344,
359 		   1504, 1728, 0, 960, 961, 964, 1011, 0,
360 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
361 	/* 0x22 - 1280x960@120Hz RB */
362 	{ DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 175500, 1280, 1328,
363 		   1360, 1440, 0, 960, 963, 967, 1017, 0,
364 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
365 	/* 0x23 - 1280x1024@60Hz */
366 	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
367 		   1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
368 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
369 	/* 0x24 - 1280x1024@75Hz */
370 	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
371 		   1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
372 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
373 	/* 0x25 - 1280x1024@85Hz */
374 	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 157500, 1280, 1344,
375 		   1504, 1728, 0, 1024, 1025, 1028, 1072, 0,
376 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
377 	/* 0x26 - 1280x1024@120Hz RB */
378 	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 187250, 1280, 1328,
379 		   1360, 1440, 0, 1024, 1027, 1034, 1084, 0,
380 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
381 	/* 0x27 - 1360x768@60Hz */
382 	{ DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
383 		   1536, 1792, 0, 768, 771, 777, 795, 0,
384 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
385 	/* 0x28 - 1360x768@120Hz RB */
386 	{ DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 148250, 1360, 1408,
387 		   1440, 1520, 0, 768, 771, 776, 813, 0,
388 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
389 	/* 0x51 - 1366x768@60Hz */
390 	{ DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 85500, 1366, 1436,
391 		   1579, 1792, 0, 768, 771, 774, 798, 0,
392 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
393 	/* 0x56 - 1366x768@60Hz */
394 	{ DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 72000, 1366, 1380,
395 		   1436, 1500, 0, 768, 769, 772, 800, 0,
396 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
397 	/* 0x29 - 1400x1050@60Hz RB */
398 	{ DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 101000, 1400, 1448,
399 		   1480, 1560, 0, 1050, 1053, 1057, 1080, 0,
400 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
401 	/* 0x2a - 1400x1050@60Hz */
402 	{ DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
403 		   1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
404 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
405 	/* 0x2b - 1400x1050@75Hz */
406 	{ DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 156000, 1400, 1504,
407 		   1648, 1896, 0, 1050, 1053, 1057, 1099, 0,
408 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
409 	/* 0x2c - 1400x1050@85Hz */
410 	{ DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 179500, 1400, 1504,
411 		   1656, 1912, 0, 1050, 1053, 1057, 1105, 0,
412 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
413 	/* 0x2d - 1400x1050@120Hz RB */
414 	{ DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 208000, 1400, 1448,
415 		   1480, 1560, 0, 1050, 1053, 1057, 1112, 0,
416 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
417 	/* 0x2e - 1440x900@60Hz RB */
418 	{ DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 88750, 1440, 1488,
419 		   1520, 1600, 0, 900, 903, 909, 926, 0,
420 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
421 	/* 0x2f - 1440x900@60Hz */
422 	{ DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
423 		   1672, 1904, 0, 900, 903, 909, 934, 0,
424 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
425 	/* 0x30 - 1440x900@75Hz */
426 	{ DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 136750, 1440, 1536,
427 		   1688, 1936, 0, 900, 903, 909, 942, 0,
428 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
429 	/* 0x31 - 1440x900@85Hz */
430 	{ DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 157000, 1440, 1544,
431 		   1696, 1952, 0, 900, 903, 909, 948, 0,
432 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
433 	/* 0x32 - 1440x900@120Hz RB */
434 	{ DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 182750, 1440, 1488,
435 		   1520, 1600, 0, 900, 903, 909, 953, 0,
436 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
437 	/* 0x53 - 1600x900@60Hz */
438 	{ DRM_MODE("1600x900", DRM_MODE_TYPE_DRIVER, 108000, 1600, 1624,
439 		   1704, 1800, 0, 900, 901, 904, 1000, 0,
440 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
441 	/* 0x33 - 1600x1200@60Hz */
442 	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
443 		   1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
444 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
445 	/* 0x34 - 1600x1200@65Hz */
446 	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 175500, 1600, 1664,
447 		   1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
448 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
449 	/* 0x35 - 1600x1200@70Hz */
450 	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 189000, 1600, 1664,
451 		   1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
452 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
453 	/* 0x36 - 1600x1200@75Hz */
454 	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 202500, 1600, 1664,
455 		   1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
456 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
457 	/* 0x37 - 1600x1200@85Hz */
458 	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 229500, 1600, 1664,
459 		   1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
460 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
461 	/* 0x38 - 1600x1200@120Hz RB */
462 	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 268250, 1600, 1648,
463 		   1680, 1760, 0, 1200, 1203, 1207, 1271, 0,
464 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
465 	/* 0x39 - 1680x1050@60Hz RB */
466 	{ DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 119000, 1680, 1728,
467 		   1760, 1840, 0, 1050, 1053, 1059, 1080, 0,
468 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
469 	/* 0x3a - 1680x1050@60Hz */
470 	{ DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
471 		   1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
472 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
473 	/* 0x3b - 1680x1050@75Hz */
474 	{ DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 187000, 1680, 1800,
475 		   1976, 2272, 0, 1050, 1053, 1059, 1099, 0,
476 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
477 	/* 0x3c - 1680x1050@85Hz */
478 	{ DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 214750, 1680, 1808,
479 		   1984, 2288, 0, 1050, 1053, 1059, 1105, 0,
480 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
481 	/* 0x3d - 1680x1050@120Hz RB */
482 	{ DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 245500, 1680, 1728,
483 		   1760, 1840, 0, 1050, 1053, 1059, 1112, 0,
484 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
485 	/* 0x3e - 1792x1344@60Hz */
486 	{ DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
487 		   2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
488 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
489 	/* 0x3f - 1792x1344@75Hz */
490 	{ DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 261000, 1792, 1888,
491 		   2104, 2456, 0, 1344, 1345, 1348, 1417, 0,
492 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
493 	/* 0x40 - 1792x1344@120Hz RB */
494 	{ DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 333250, 1792, 1840,
495 		   1872, 1952, 0, 1344, 1347, 1351, 1423, 0,
496 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
497 	/* 0x41 - 1856x1392@60Hz */
498 	{ DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
499 		   2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
500 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
501 	/* 0x42 - 1856x1392@75Hz */
502 	{ DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 288000, 1856, 1984,
503 		   2208, 2560, 0, 1392, 1393, 1396, 1500, 0,
504 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
505 	/* 0x43 - 1856x1392@120Hz RB */
506 	{ DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 356500, 1856, 1904,
507 		   1936, 2016, 0, 1392, 1395, 1399, 1474, 0,
508 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
509 	/* 0x52 - 1920x1080@60Hz */
510 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
511 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
512 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
513 	/* 0x44 - 1920x1200@60Hz RB */
514 	{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 154000, 1920, 1968,
515 		   2000, 2080, 0, 1200, 1203, 1209, 1235, 0,
516 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
517 	/* 0x45 - 1920x1200@60Hz */
518 	{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
519 		   2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
520 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
521 	/* 0x46 - 1920x1200@75Hz */
522 	{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 245250, 1920, 2056,
523 		   2264, 2608, 0, 1200, 1203, 1209, 1255, 0,
524 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
525 	/* 0x47 - 1920x1200@85Hz */
526 	{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 281250, 1920, 2064,
527 		   2272, 2624, 0, 1200, 1203, 1209, 1262, 0,
528 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
529 	/* 0x48 - 1920x1200@120Hz RB */
530 	{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 317000, 1920, 1968,
531 		   2000, 2080, 0, 1200, 1203, 1209, 1271, 0,
532 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
533 	/* 0x49 - 1920x1440@60Hz */
534 	{ DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
535 		   2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
536 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
537 	/* 0x4a - 1920x1440@75Hz */
538 	{ DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2064,
539 		   2288, 2640, 0, 1440, 1441, 1444, 1500, 0,
540 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
541 	/* 0x4b - 1920x1440@120Hz RB */
542 	{ DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 380500, 1920, 1968,
543 		   2000, 2080, 0, 1440, 1443, 1447, 1525, 0,
544 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
545 	/* 0x54 - 2048x1152@60Hz */
546 	{ DRM_MODE("2048x1152", DRM_MODE_TYPE_DRIVER, 162000, 2048, 2074,
547 		   2154, 2250, 0, 1152, 1153, 1156, 1200, 0,
548 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
549 	/* 0x4c - 2560x1600@60Hz RB */
550 	{ DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 268500, 2560, 2608,
551 		   2640, 2720, 0, 1600, 1603, 1609, 1646, 0,
552 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
553 	/* 0x4d - 2560x1600@60Hz */
554 	{ DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
555 		   3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
556 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
557 	/* 0x4e - 2560x1600@75Hz */
558 	{ DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 443250, 2560, 2768,
559 		   3048, 3536, 0, 1600, 1603, 1609, 1672, 0,
560 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
561 	/* 0x4f - 2560x1600@85Hz */
562 	{ DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 505250, 2560, 2768,
563 		   3048, 3536, 0, 1600, 1603, 1609, 1682, 0,
564 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
565 	/* 0x50 - 2560x1600@120Hz RB */
566 	{ DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 552750, 2560, 2608,
567 		   2640, 2720, 0, 1600, 1603, 1609, 1694, 0,
568 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
569 	/* 0x57 - 4096x2160@60Hz RB */
570 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556744, 4096, 4104,
571 		   4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
572 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
573 	/* 0x58 - 4096x2160@59.94Hz RB */
574 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556188, 4096, 4104,
575 		   4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
576 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
577 };
578 
579 /*
580  * These more or less come from the DMT spec.  The 720x400 modes are
581  * inferred from historical 80x25 practice.  The 640x480@67 and 832x624@75
582  * modes are old-school Mac modes.  The EDID spec says the 1152x864@75 mode
583  * should be 1152x870, again for the Mac, but instead we use the x864 DMT
584  * mode.
585  *
586  * The DMT modes have been fact-checked; the rest are mild guesses.
587  */
588 static const struct drm_display_mode edid_est_modes[] = {
589 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
590 		   968, 1056, 0, 600, 601, 605, 628, 0,
591 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@60Hz */
592 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
593 		   896, 1024, 0, 600, 601, 603,  625, 0,
594 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@56Hz */
595 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
596 		   720, 840, 0, 480, 481, 484, 500, 0,
597 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */
598 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
599 		   704,  832, 0, 480, 489, 492, 520, 0,
600 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */
601 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704,
602 		   768,  864, 0, 480, 483, 486, 525, 0,
603 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */
604 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
605 		   752, 800, 0, 480, 490, 492, 525, 0,
606 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */
607 	{ DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738,
608 		   846, 900, 0, 400, 421, 423,  449, 0,
609 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 720x400@88Hz */
610 	{ DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738,
611 		   846,  900, 0, 400, 412, 414, 449, 0,
612 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 720x400@70Hz */
613 	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
614 		   1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
615 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */
616 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
617 		   1136, 1312, 0,  768, 769, 772, 800, 0,
618 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */
619 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
620 		   1184, 1328, 0,  768, 771, 777, 806, 0,
621 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@70Hz */
622 	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
623 		   1184, 1344, 0,  768, 771, 777, 806, 0,
624 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@60Hz */
625 	{ DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032,
626 		   1208, 1264, 0, 768, 768, 776, 817, 0,
627 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 1024x768@43Hz */
628 	{ DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864,
629 		   928, 1152, 0, 624, 625, 628, 667, 0,
630 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 832x624@75Hz */
631 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
632 		   896, 1056, 0, 600, 601, 604,  625, 0,
633 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@75Hz */
634 	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
635 		   976, 1040, 0, 600, 637, 643, 666, 0,
636 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@72Hz */
637 	{ DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
638 		   1344, 1600, 0,  864, 865, 868, 900, 0,
639 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */
640 };
641 
642 struct minimode {
643 	short w;
644 	short h;
645 	short r;
646 	short rb;
647 };
648 
649 static const struct minimode est3_modes[] = {
650 	/* byte 6 */
651 	{ 640, 350, 85, 0 },
652 	{ 640, 400, 85, 0 },
653 	{ 720, 400, 85, 0 },
654 	{ 640, 480, 85, 0 },
655 	{ 848, 480, 60, 0 },
656 	{ 800, 600, 85, 0 },
657 	{ 1024, 768, 85, 0 },
658 	{ 1152, 864, 75, 0 },
659 	/* byte 7 */
660 	{ 1280, 768, 60, 1 },
661 	{ 1280, 768, 60, 0 },
662 	{ 1280, 768, 75, 0 },
663 	{ 1280, 768, 85, 0 },
664 	{ 1280, 960, 60, 0 },
665 	{ 1280, 960, 85, 0 },
666 	{ 1280, 1024, 60, 0 },
667 	{ 1280, 1024, 85, 0 },
668 	/* byte 8 */
669 	{ 1360, 768, 60, 0 },
670 	{ 1440, 900, 60, 1 },
671 	{ 1440, 900, 60, 0 },
672 	{ 1440, 900, 75, 0 },
673 	{ 1440, 900, 85, 0 },
674 	{ 1400, 1050, 60, 1 },
675 	{ 1400, 1050, 60, 0 },
676 	{ 1400, 1050, 75, 0 },
677 	/* byte 9 */
678 	{ 1400, 1050, 85, 0 },
679 	{ 1680, 1050, 60, 1 },
680 	{ 1680, 1050, 60, 0 },
681 	{ 1680, 1050, 75, 0 },
682 	{ 1680, 1050, 85, 0 },
683 	{ 1600, 1200, 60, 0 },
684 	{ 1600, 1200, 65, 0 },
685 	{ 1600, 1200, 70, 0 },
686 	/* byte 10 */
687 	{ 1600, 1200, 75, 0 },
688 	{ 1600, 1200, 85, 0 },
689 	{ 1792, 1344, 60, 0 },
690 	{ 1792, 1344, 75, 0 },
691 	{ 1856, 1392, 60, 0 },
692 	{ 1856, 1392, 75, 0 },
693 	{ 1920, 1200, 60, 1 },
694 	{ 1920, 1200, 60, 0 },
695 	/* byte 11 */
696 	{ 1920, 1200, 75, 0 },
697 	{ 1920, 1200, 85, 0 },
698 	{ 1920, 1440, 60, 0 },
699 	{ 1920, 1440, 75, 0 },
700 };
701 
702 static const struct minimode extra_modes[] = {
703 	{ 1024, 576,  60, 0 },
704 	{ 1366, 768,  60, 0 },
705 	{ 1600, 900,  60, 0 },
706 	{ 1680, 945,  60, 0 },
707 	{ 1920, 1080, 60, 0 },
708 	{ 2048, 1152, 60, 0 },
709 	{ 2048, 1536, 60, 0 },
710 };
711 
712 /*
713  * From CEA/CTA-861 spec.
714  *
715  * Do not access directly, instead always use cea_mode_for_vic().
716  */
717 static const struct drm_display_mode edid_cea_modes_1[] = {
718 	/* 1 - 640x480@60Hz 4:3 */
719 	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
720 		   752, 800, 0, 480, 490, 492, 525, 0,
721 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
722 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
723 	/* 2 - 720x480@60Hz 4:3 */
724 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
725 		   798, 858, 0, 480, 489, 495, 525, 0,
726 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
727 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
728 	/* 3 - 720x480@60Hz 16:9 */
729 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
730 		   798, 858, 0, 480, 489, 495, 525, 0,
731 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
732 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
733 	/* 4 - 1280x720@60Hz 16:9 */
734 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
735 		   1430, 1650, 0, 720, 725, 730, 750, 0,
736 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
737 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
738 	/* 5 - 1920x1080i@60Hz 16:9 */
739 	{ DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
740 		   2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
741 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
742 		   DRM_MODE_FLAG_INTERLACE),
743 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
744 	/* 6 - 720(1440)x480i@60Hz 4:3 */
745 	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
746 		   801, 858, 0, 480, 488, 494, 525, 0,
747 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
748 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
749 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
750 	/* 7 - 720(1440)x480i@60Hz 16:9 */
751 	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
752 		   801, 858, 0, 480, 488, 494, 525, 0,
753 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
754 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
755 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
756 	/* 8 - 720(1440)x240@60Hz 4:3 */
757 	{ DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
758 		   801, 858, 0, 240, 244, 247, 262, 0,
759 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
760 		   DRM_MODE_FLAG_DBLCLK),
761 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
762 	/* 9 - 720(1440)x240@60Hz 16:9 */
763 	{ DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
764 		   801, 858, 0, 240, 244, 247, 262, 0,
765 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
766 		   DRM_MODE_FLAG_DBLCLK),
767 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
768 	/* 10 - 2880x480i@60Hz 4:3 */
769 	{ DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
770 		   3204, 3432, 0, 480, 488, 494, 525, 0,
771 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
772 		   DRM_MODE_FLAG_INTERLACE),
773 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
774 	/* 11 - 2880x480i@60Hz 16:9 */
775 	{ DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
776 		   3204, 3432, 0, 480, 488, 494, 525, 0,
777 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
778 		   DRM_MODE_FLAG_INTERLACE),
779 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
780 	/* 12 - 2880x240@60Hz 4:3 */
781 	{ DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
782 		   3204, 3432, 0, 240, 244, 247, 262, 0,
783 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
784 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
785 	/* 13 - 2880x240@60Hz 16:9 */
786 	{ DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
787 		   3204, 3432, 0, 240, 244, 247, 262, 0,
788 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
789 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
790 	/* 14 - 1440x480@60Hz 4:3 */
791 	{ DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
792 		   1596, 1716, 0, 480, 489, 495, 525, 0,
793 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
794 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
795 	/* 15 - 1440x480@60Hz 16:9 */
796 	{ DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
797 		   1596, 1716, 0, 480, 489, 495, 525, 0,
798 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
799 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
800 	/* 16 - 1920x1080@60Hz 16:9 */
801 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
802 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
803 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
804 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
805 	/* 17 - 720x576@50Hz 4:3 */
806 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
807 		   796, 864, 0, 576, 581, 586, 625, 0,
808 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
809 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
810 	/* 18 - 720x576@50Hz 16:9 */
811 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
812 		   796, 864, 0, 576, 581, 586, 625, 0,
813 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
814 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
815 	/* 19 - 1280x720@50Hz 16:9 */
816 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
817 		   1760, 1980, 0, 720, 725, 730, 750, 0,
818 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
819 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
820 	/* 20 - 1920x1080i@50Hz 16:9 */
821 	{ DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
822 		   2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
823 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
824 		   DRM_MODE_FLAG_INTERLACE),
825 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
826 	/* 21 - 720(1440)x576i@50Hz 4:3 */
827 	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
828 		   795, 864, 0, 576, 580, 586, 625, 0,
829 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
830 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
831 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
832 	/* 22 - 720(1440)x576i@50Hz 16:9 */
833 	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
834 		   795, 864, 0, 576, 580, 586, 625, 0,
835 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
836 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
837 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
838 	/* 23 - 720(1440)x288@50Hz 4:3 */
839 	{ DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
840 		   795, 864, 0, 288, 290, 293, 312, 0,
841 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
842 		   DRM_MODE_FLAG_DBLCLK),
843 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
844 	/* 24 - 720(1440)x288@50Hz 16:9 */
845 	{ DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
846 		   795, 864, 0, 288, 290, 293, 312, 0,
847 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
848 		   DRM_MODE_FLAG_DBLCLK),
849 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
850 	/* 25 - 2880x576i@50Hz 4:3 */
851 	{ DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
852 		   3180, 3456, 0, 576, 580, 586, 625, 0,
853 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
854 		   DRM_MODE_FLAG_INTERLACE),
855 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
856 	/* 26 - 2880x576i@50Hz 16:9 */
857 	{ DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
858 		   3180, 3456, 0, 576, 580, 586, 625, 0,
859 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
860 		   DRM_MODE_FLAG_INTERLACE),
861 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
862 	/* 27 - 2880x288@50Hz 4:3 */
863 	{ DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
864 		   3180, 3456, 0, 288, 290, 293, 312, 0,
865 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
866 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
867 	/* 28 - 2880x288@50Hz 16:9 */
868 	{ DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
869 		   3180, 3456, 0, 288, 290, 293, 312, 0,
870 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
871 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
872 	/* 29 - 1440x576@50Hz 4:3 */
873 	{ DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
874 		   1592, 1728, 0, 576, 581, 586, 625, 0,
875 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
876 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
877 	/* 30 - 1440x576@50Hz 16:9 */
878 	{ DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
879 		   1592, 1728, 0, 576, 581, 586, 625, 0,
880 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
881 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
882 	/* 31 - 1920x1080@50Hz 16:9 */
883 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
884 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
885 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
886 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
887 	/* 32 - 1920x1080@24Hz 16:9 */
888 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
889 		   2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
890 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
891 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
892 	/* 33 - 1920x1080@25Hz 16:9 */
893 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
894 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
895 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
896 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
897 	/* 34 - 1920x1080@30Hz 16:9 */
898 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
899 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
900 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
901 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
902 	/* 35 - 2880x480@60Hz 4:3 */
903 	{ DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
904 		   3192, 3432, 0, 480, 489, 495, 525, 0,
905 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
906 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
907 	/* 36 - 2880x480@60Hz 16:9 */
908 	{ DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
909 		   3192, 3432, 0, 480, 489, 495, 525, 0,
910 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
911 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
912 	/* 37 - 2880x576@50Hz 4:3 */
913 	{ DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
914 		   3184, 3456, 0, 576, 581, 586, 625, 0,
915 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
916 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
917 	/* 38 - 2880x576@50Hz 16:9 */
918 	{ DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
919 		   3184, 3456, 0, 576, 581, 586, 625, 0,
920 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
921 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
922 	/* 39 - 1920x1080i@50Hz 16:9 */
923 	{ DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 72000, 1920, 1952,
924 		   2120, 2304, 0, 1080, 1126, 1136, 1250, 0,
925 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC |
926 		   DRM_MODE_FLAG_INTERLACE),
927 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
928 	/* 40 - 1920x1080i@100Hz 16:9 */
929 	{ DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
930 		   2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
931 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
932 		   DRM_MODE_FLAG_INTERLACE),
933 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
934 	/* 41 - 1280x720@100Hz 16:9 */
935 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
936 		   1760, 1980, 0, 720, 725, 730, 750, 0,
937 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
938 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
939 	/* 42 - 720x576@100Hz 4:3 */
940 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
941 		   796, 864, 0, 576, 581, 586, 625, 0,
942 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
943 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
944 	/* 43 - 720x576@100Hz 16:9 */
945 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
946 		   796, 864, 0, 576, 581, 586, 625, 0,
947 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
948 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
949 	/* 44 - 720(1440)x576i@100Hz 4:3 */
950 	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
951 		   795, 864, 0, 576, 580, 586, 625, 0,
952 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
953 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
954 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
955 	/* 45 - 720(1440)x576i@100Hz 16:9 */
956 	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
957 		   795, 864, 0, 576, 580, 586, 625, 0,
958 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
959 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
960 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
961 	/* 46 - 1920x1080i@120Hz 16:9 */
962 	{ DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
963 		   2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
964 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
965 		   DRM_MODE_FLAG_INTERLACE),
966 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
967 	/* 47 - 1280x720@120Hz 16:9 */
968 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
969 		   1430, 1650, 0, 720, 725, 730, 750, 0,
970 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
971 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
972 	/* 48 - 720x480@120Hz 4:3 */
973 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
974 		   798, 858, 0, 480, 489, 495, 525, 0,
975 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
976 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
977 	/* 49 - 720x480@120Hz 16:9 */
978 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
979 		   798, 858, 0, 480, 489, 495, 525, 0,
980 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
981 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
982 	/* 50 - 720(1440)x480i@120Hz 4:3 */
983 	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
984 		   801, 858, 0, 480, 488, 494, 525, 0,
985 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
986 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
987 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
988 	/* 51 - 720(1440)x480i@120Hz 16:9 */
989 	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
990 		   801, 858, 0, 480, 488, 494, 525, 0,
991 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
992 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
993 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
994 	/* 52 - 720x576@200Hz 4:3 */
995 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
996 		   796, 864, 0, 576, 581, 586, 625, 0,
997 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
998 	  .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
999 	/* 53 - 720x576@200Hz 16:9 */
1000 	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
1001 		   796, 864, 0, 576, 581, 586, 625, 0,
1002 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1003 	  .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1004 	/* 54 - 720(1440)x576i@200Hz 4:3 */
1005 	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1006 		   795, 864, 0, 576, 580, 586, 625, 0,
1007 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1008 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1009 	  .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1010 	/* 55 - 720(1440)x576i@200Hz 16:9 */
1011 	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1012 		   795, 864, 0, 576, 580, 586, 625, 0,
1013 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1014 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1015 	  .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1016 	/* 56 - 720x480@240Hz 4:3 */
1017 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1018 		   798, 858, 0, 480, 489, 495, 525, 0,
1019 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1020 	  .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1021 	/* 57 - 720x480@240Hz 16:9 */
1022 	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1023 		   798, 858, 0, 480, 489, 495, 525, 0,
1024 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1025 	  .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1026 	/* 58 - 720(1440)x480i@240Hz 4:3 */
1027 	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1028 		   801, 858, 0, 480, 488, 494, 525, 0,
1029 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1030 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1031 	  .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1032 	/* 59 - 720(1440)x480i@240Hz 16:9 */
1033 	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1034 		   801, 858, 0, 480, 488, 494, 525, 0,
1035 		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1036 		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1037 	  .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1038 	/* 60 - 1280x720@24Hz 16:9 */
1039 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1040 		   3080, 3300, 0, 720, 725, 730, 750, 0,
1041 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1042 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1043 	/* 61 - 1280x720@25Hz 16:9 */
1044 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1045 		   3740, 3960, 0, 720, 725, 730, 750, 0,
1046 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1047 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1048 	/* 62 - 1280x720@30Hz 16:9 */
1049 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1050 		   3080, 3300, 0, 720, 725, 730, 750, 0,
1051 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1052 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1053 	/* 63 - 1920x1080@120Hz 16:9 */
1054 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1055 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1056 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1057 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1058 	/* 64 - 1920x1080@100Hz 16:9 */
1059 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1060 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1061 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1062 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1063 	/* 65 - 1280x720@24Hz 64:27 */
1064 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1065 		   3080, 3300, 0, 720, 725, 730, 750, 0,
1066 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1067 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1068 	/* 66 - 1280x720@25Hz 64:27 */
1069 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1070 		   3740, 3960, 0, 720, 725, 730, 750, 0,
1071 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1072 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1073 	/* 67 - 1280x720@30Hz 64:27 */
1074 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1075 		   3080, 3300, 0, 720, 725, 730, 750, 0,
1076 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1077 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1078 	/* 68 - 1280x720@50Hz 64:27 */
1079 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
1080 		   1760, 1980, 0, 720, 725, 730, 750, 0,
1081 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1082 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1083 	/* 69 - 1280x720@60Hz 64:27 */
1084 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
1085 		   1430, 1650, 0, 720, 725, 730, 750, 0,
1086 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1087 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1088 	/* 70 - 1280x720@100Hz 64:27 */
1089 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
1090 		   1760, 1980, 0, 720, 725, 730, 750, 0,
1091 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1092 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1093 	/* 71 - 1280x720@120Hz 64:27 */
1094 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
1095 		   1430, 1650, 0, 720, 725, 730, 750, 0,
1096 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1097 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1098 	/* 72 - 1920x1080@24Hz 64:27 */
1099 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
1100 		   2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1101 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1102 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1103 	/* 73 - 1920x1080@25Hz 64:27 */
1104 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
1105 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1106 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1107 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1108 	/* 74 - 1920x1080@30Hz 64:27 */
1109 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
1110 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1111 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1112 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1113 	/* 75 - 1920x1080@50Hz 64:27 */
1114 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
1115 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1116 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1117 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1118 	/* 76 - 1920x1080@60Hz 64:27 */
1119 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
1120 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1121 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1122 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1123 	/* 77 - 1920x1080@100Hz 64:27 */
1124 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1125 		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1126 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1127 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1128 	/* 78 - 1920x1080@120Hz 64:27 */
1129 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1130 		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1131 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1132 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1133 	/* 79 - 1680x720@24Hz 64:27 */
1134 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 3040,
1135 		   3080, 3300, 0, 720, 725, 730, 750, 0,
1136 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1137 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1138 	/* 80 - 1680x720@25Hz 64:27 */
1139 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2908,
1140 		   2948, 3168, 0, 720, 725, 730, 750, 0,
1141 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1142 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1143 	/* 81 - 1680x720@30Hz 64:27 */
1144 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2380,
1145 		   2420, 2640, 0, 720, 725, 730, 750, 0,
1146 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1147 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1148 	/* 82 - 1680x720@50Hz 64:27 */
1149 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 82500, 1680, 1940,
1150 		   1980, 2200, 0, 720, 725, 730, 750, 0,
1151 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1152 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1153 	/* 83 - 1680x720@60Hz 64:27 */
1154 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 1940,
1155 		   1980, 2200, 0, 720, 725, 730, 750, 0,
1156 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1157 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1158 	/* 84 - 1680x720@100Hz 64:27 */
1159 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 165000, 1680, 1740,
1160 		   1780, 2000, 0, 720, 725, 730, 825, 0,
1161 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1162 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1163 	/* 85 - 1680x720@120Hz 64:27 */
1164 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 198000, 1680, 1740,
1165 		   1780, 2000, 0, 720, 725, 730, 825, 0,
1166 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1167 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1168 	/* 86 - 2560x1080@24Hz 64:27 */
1169 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 99000, 2560, 3558,
1170 		   3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1171 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1172 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1173 	/* 87 - 2560x1080@25Hz 64:27 */
1174 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 90000, 2560, 3008,
1175 		   3052, 3200, 0, 1080, 1084, 1089, 1125, 0,
1176 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1177 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1178 	/* 88 - 2560x1080@30Hz 64:27 */
1179 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 118800, 2560, 3328,
1180 		   3372, 3520, 0, 1080, 1084, 1089, 1125, 0,
1181 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1182 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1183 	/* 89 - 2560x1080@50Hz 64:27 */
1184 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 185625, 2560, 3108,
1185 		   3152, 3300, 0, 1080, 1084, 1089, 1125, 0,
1186 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1187 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1188 	/* 90 - 2560x1080@60Hz 64:27 */
1189 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 2808,
1190 		   2852, 3000, 0, 1080, 1084, 1089, 1100, 0,
1191 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1192 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1193 	/* 91 - 2560x1080@100Hz 64:27 */
1194 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 371250, 2560, 2778,
1195 		   2822, 2970, 0, 1080, 1084, 1089, 1250, 0,
1196 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1197 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1198 	/* 92 - 2560x1080@120Hz 64:27 */
1199 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 495000, 2560, 3108,
1200 		   3152, 3300, 0, 1080, 1084, 1089, 1250, 0,
1201 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1202 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1203 	/* 93 - 3840x2160@24Hz 16:9 */
1204 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1205 		   5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1206 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1207 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1208 	/* 94 - 3840x2160@25Hz 16:9 */
1209 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1210 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1211 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1212 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1213 	/* 95 - 3840x2160@30Hz 16:9 */
1214 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1215 		   4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1216 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1217 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1218 	/* 96 - 3840x2160@50Hz 16:9 */
1219 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1220 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1221 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1222 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1223 	/* 97 - 3840x2160@60Hz 16:9 */
1224 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1225 		   4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1226 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1227 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1228 	/* 98 - 4096x2160@24Hz 256:135 */
1229 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5116,
1230 		   5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1231 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1232 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1233 	/* 99 - 4096x2160@25Hz 256:135 */
1234 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5064,
1235 		   5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1236 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1237 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1238 	/* 100 - 4096x2160@30Hz 256:135 */
1239 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 4184,
1240 		   4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1241 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1242 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1243 	/* 101 - 4096x2160@50Hz 256:135 */
1244 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5064,
1245 		   5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1246 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1247 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1248 	/* 102 - 4096x2160@60Hz 256:135 */
1249 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 4184,
1250 		   4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1251 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1252 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1253 	/* 103 - 3840x2160@24Hz 64:27 */
1254 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1255 		   5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1256 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1257 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1258 	/* 104 - 3840x2160@25Hz 64:27 */
1259 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1260 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1261 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1262 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1263 	/* 105 - 3840x2160@30Hz 64:27 */
1264 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1265 		   4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1266 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1267 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1268 	/* 106 - 3840x2160@50Hz 64:27 */
1269 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1270 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1271 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1272 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1273 	/* 107 - 3840x2160@60Hz 64:27 */
1274 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1275 		   4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1276 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1277 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1278 	/* 108 - 1280x720@48Hz 16:9 */
1279 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1280 		   2280, 2500, 0, 720, 725, 730, 750, 0,
1281 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1282 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1283 	/* 109 - 1280x720@48Hz 64:27 */
1284 	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1285 		   2280, 2500, 0, 720, 725, 730, 750, 0,
1286 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1287 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1288 	/* 110 - 1680x720@48Hz 64:27 */
1289 	{ DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 2490,
1290 		   2530, 2750, 0, 720, 725, 730, 750, 0,
1291 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1292 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1293 	/* 111 - 1920x1080@48Hz 16:9 */
1294 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1295 		   2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1296 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1297 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1298 	/* 112 - 1920x1080@48Hz 64:27 */
1299 	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1300 		   2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1301 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1302 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1303 	/* 113 - 2560x1080@48Hz 64:27 */
1304 	{ DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 3558,
1305 		   3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1306 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1307 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1308 	/* 114 - 3840x2160@48Hz 16:9 */
1309 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1310 		   5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1311 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1312 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1313 	/* 115 - 4096x2160@48Hz 256:135 */
1314 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5116,
1315 		   5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1316 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1317 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1318 	/* 116 - 3840x2160@48Hz 64:27 */
1319 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1320 		   5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1321 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1322 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1323 	/* 117 - 3840x2160@100Hz 16:9 */
1324 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1325 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1326 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1327 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1328 	/* 118 - 3840x2160@120Hz 16:9 */
1329 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1330 		   4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1331 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1332 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1333 	/* 119 - 3840x2160@100Hz 64:27 */
1334 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1335 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1336 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1337 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1338 	/* 120 - 3840x2160@120Hz 64:27 */
1339 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1340 		   4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1341 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1342 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1343 	/* 121 - 5120x2160@24Hz 64:27 */
1344 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 7116,
1345 		   7204, 7500, 0, 2160, 2168, 2178, 2200, 0,
1346 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1347 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1348 	/* 122 - 5120x2160@25Hz 64:27 */
1349 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 6816,
1350 		   6904, 7200, 0, 2160, 2168, 2178, 2200, 0,
1351 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1352 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1353 	/* 123 - 5120x2160@30Hz 64:27 */
1354 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 5784,
1355 		   5872, 6000, 0, 2160, 2168, 2178, 2200, 0,
1356 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1357 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1358 	/* 124 - 5120x2160@48Hz 64:27 */
1359 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5866,
1360 		   5954, 6250, 0, 2160, 2168, 2178, 2475, 0,
1361 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1362 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1363 	/* 125 - 5120x2160@50Hz 64:27 */
1364 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 6216,
1365 		   6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1366 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1367 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1368 	/* 126 - 5120x2160@60Hz 64:27 */
1369 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5284,
1370 		   5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1371 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1372 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1373 	/* 127 - 5120x2160@100Hz 64:27 */
1374 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 6216,
1375 		   6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1376 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1377 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1378 };
1379 
1380 /*
1381  * From CEA/CTA-861 spec.
1382  *
1383  * Do not access directly, instead always use cea_mode_for_vic().
1384  */
1385 static const struct drm_display_mode edid_cea_modes_193[] = {
1386 	/* 193 - 5120x2160@120Hz 64:27 */
1387 	{ DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 5284,
1388 		   5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1389 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1390 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1391 	/* 194 - 7680x4320@24Hz 16:9 */
1392 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1393 		   10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1394 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1395 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1396 	/* 195 - 7680x4320@25Hz 16:9 */
1397 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1398 		   10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1399 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1400 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1401 	/* 196 - 7680x4320@30Hz 16:9 */
1402 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1403 		   8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1404 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1405 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1406 	/* 197 - 7680x4320@48Hz 16:9 */
1407 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1408 		   10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1409 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1410 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1411 	/* 198 - 7680x4320@50Hz 16:9 */
1412 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1413 		   10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1414 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1415 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1416 	/* 199 - 7680x4320@60Hz 16:9 */
1417 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1418 		   8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1419 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1420 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1421 	/* 200 - 7680x4320@100Hz 16:9 */
1422 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1423 		   9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1424 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1425 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1426 	/* 201 - 7680x4320@120Hz 16:9 */
1427 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1428 		   8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1429 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1430 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1431 	/* 202 - 7680x4320@24Hz 64:27 */
1432 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1433 		   10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1434 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1435 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1436 	/* 203 - 7680x4320@25Hz 64:27 */
1437 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1438 		   10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1439 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1440 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1441 	/* 204 - 7680x4320@30Hz 64:27 */
1442 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1443 		   8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1444 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1445 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1446 	/* 205 - 7680x4320@48Hz 64:27 */
1447 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1448 		   10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1449 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1450 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1451 	/* 206 - 7680x4320@50Hz 64:27 */
1452 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1453 		   10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1454 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1455 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1456 	/* 207 - 7680x4320@60Hz 64:27 */
1457 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1458 		   8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1459 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1460 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1461 	/* 208 - 7680x4320@100Hz 64:27 */
1462 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1463 		   9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1464 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1465 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1466 	/* 209 - 7680x4320@120Hz 64:27 */
1467 	{ DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1468 		   8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1469 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1470 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1471 	/* 210 - 10240x4320@24Hz 64:27 */
1472 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 11732,
1473 		   11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1474 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1475 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1476 	/* 211 - 10240x4320@25Hz 64:27 */
1477 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 12732,
1478 		   12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1479 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1480 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1481 	/* 212 - 10240x4320@30Hz 64:27 */
1482 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 10528,
1483 		   10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1484 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1485 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1486 	/* 213 - 10240x4320@48Hz 64:27 */
1487 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 11732,
1488 		   11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1489 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1490 	  .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1491 	/* 214 - 10240x4320@50Hz 64:27 */
1492 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 12732,
1493 		   12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1494 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1495 	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1496 	/* 215 - 10240x4320@60Hz 64:27 */
1497 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 10528,
1498 		   10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1499 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1500 	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1501 	/* 216 - 10240x4320@100Hz 64:27 */
1502 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 12432,
1503 		   12608, 13200, 0, 4320, 4336, 4356, 4500, 0,
1504 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1505 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1506 	/* 217 - 10240x4320@120Hz 64:27 */
1507 	{ DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 10528,
1508 		   10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1509 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1510 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1511 	/* 218 - 4096x2160@100Hz 256:135 */
1512 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4896,
1513 		   4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1514 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1515 	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1516 	/* 219 - 4096x2160@120Hz 256:135 */
1517 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4184,
1518 		   4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1519 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1520 	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1521 };
1522 
1523 /*
1524  * HDMI 1.4 4k modes. Index using the VIC.
1525  */
1526 static const struct drm_display_mode edid_4k_modes[] = {
1527 	/* 0 - dummy, VICs start at 1 */
1528 	{ },
1529 	/* 1 - 3840x2160@30Hz */
1530 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1531 		   3840, 4016, 4104, 4400, 0,
1532 		   2160, 2168, 2178, 2250, 0,
1533 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1534 	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1535 	/* 2 - 3840x2160@25Hz */
1536 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1537 		   3840, 4896, 4984, 5280, 0,
1538 		   2160, 2168, 2178, 2250, 0,
1539 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1540 	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1541 	/* 3 - 3840x2160@24Hz */
1542 	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1543 		   3840, 5116, 5204, 5500, 0,
1544 		   2160, 2168, 2178, 2250, 0,
1545 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1546 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1547 	/* 4 - 4096x2160@24Hz (SMPTE) */
1548 	{ DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000,
1549 		   4096, 5116, 5204, 5500, 0,
1550 		   2160, 2168, 2178, 2250, 0,
1551 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1552 	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1553 };
1554 
1555 /*** DDC fetch and block validation ***/
1556 
1557 static const u8 edid_header[] = {
1558 	0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
1559 };
1560 
1561 /**
1562  * drm_edid_header_is_valid - sanity check the header of the base EDID block
1563  * @raw_edid: pointer to raw base EDID block
1564  *
1565  * Sanity check the header of the base EDID block.
1566  *
1567  * Return: 8 if the header is perfect, down to 0 if it's totally wrong.
1568  */
1569 int drm_edid_header_is_valid(const u8 *raw_edid)
1570 {
1571 	int i, score = 0;
1572 
1573 	for (i = 0; i < sizeof(edid_header); i++)
1574 		if (raw_edid[i] == edid_header[i])
1575 			score++;
1576 
1577 	return score;
1578 }
1579 EXPORT_SYMBOL(drm_edid_header_is_valid);
1580 
1581 static int edid_fixup __read_mostly = 6;
1582 module_param_named(edid_fixup, edid_fixup, int, 0400);
1583 MODULE_PARM_DESC(edid_fixup,
1584 		 "Minimum number of valid EDID header bytes (0-8, default 6)");
1585 
1586 static void drm_get_displayid(struct drm_connector *connector,
1587 			      struct edid *edid);
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;
1594 	for (i = 0; i < EDID_LENGTH; i++)
1595 		csum += raw_edid[i];
1596 
1597 	return csum;
1598 }
1599 
1600 static bool drm_edid_is_zero(const u8 *in_edid, int length)
1601 {
1602 	if (memchr_inv(in_edid, 0, length))
1603 		return false;
1604 
1605 	return true;
1606 }
1607 
1608 /**
1609  * drm_edid_block_valid - Sanity check the EDID block (base or extension)
1610  * @raw_edid: pointer to raw EDID block
1611  * @block: type of block to validate (0 for base, extension otherwise)
1612  * @print_bad_edid: if true, dump bad EDID blocks to the console
1613  * @edid_corrupt: if true, the header or checksum is invalid
1614  *
1615  * Validate a base or extension EDID block and optionally dump bad blocks to
1616  * the console.
1617  *
1618  * Return: True if the block is valid, false otherwise.
1619  */
1620 bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid,
1621 			  bool *edid_corrupt)
1622 {
1623 	u8 csum;
1624 	struct edid *edid = (struct edid *)raw_edid;
1625 
1626 	if (WARN_ON(!raw_edid))
1627 		return false;
1628 
1629 	if (edid_fixup > 8 || edid_fixup < 0)
1630 		edid_fixup = 6;
1631 
1632 	if (block == 0) {
1633 		int score = drm_edid_header_is_valid(raw_edid);
1634 		if (score == 8) {
1635 			if (edid_corrupt)
1636 				*edid_corrupt = false;
1637 		} else if (score >= edid_fixup) {
1638 			/* Displayport Link CTS Core 1.2 rev1.1 test 4.2.2.6
1639 			 * The corrupt flag needs to be set here otherwise, the
1640 			 * fix-up code here will correct the problem, the
1641 			 * checksum is correct and the test fails
1642 			 */
1643 			if (edid_corrupt)
1644 				*edid_corrupt = true;
1645 			DRM_DEBUG("Fixing EDID header, your hardware may be failing\n");
1646 			memcpy(raw_edid, edid_header, sizeof(edid_header));
1647 		} else {
1648 			if (edid_corrupt)
1649 				*edid_corrupt = true;
1650 			goto bad;
1651 		}
1652 	}
1653 
1654 	csum = drm_edid_block_checksum(raw_edid);
1655 	if (csum) {
1656 		if (edid_corrupt)
1657 			*edid_corrupt = true;
1658 
1659 		/* allow CEA to slide through, switches mangle this */
1660 		if (raw_edid[0] == CEA_EXT) {
1661 			DRM_DEBUG("EDID checksum is invalid, remainder is %d\n", csum);
1662 			DRM_DEBUG("Assuming a KVM switch modified the CEA block but left the original checksum\n");
1663 		} else {
1664 			if (print_bad_edid)
1665 				DRM_NOTE("EDID checksum is invalid, remainder is %d\n", csum);
1666 
1667 			goto bad;
1668 		}
1669 	}
1670 
1671 	/* per-block-type checks */
1672 	switch (raw_edid[0]) {
1673 	case 0: /* base */
1674 		if (edid->version != 1) {
1675 			DRM_NOTE("EDID has major version %d, instead of 1\n", edid->version);
1676 			goto bad;
1677 		}
1678 
1679 		if (edid->revision > 4)
1680 			DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n");
1681 		break;
1682 
1683 	default:
1684 		break;
1685 	}
1686 
1687 	return true;
1688 
1689 bad:
1690 	if (print_bad_edid) {
1691 		if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) {
1692 			pr_notice("EDID block is all zeroes\n");
1693 		} else {
1694 			pr_notice("Raw EDID:\n");
1695 			print_hex_dump(KERN_NOTICE,
1696 				       " \t", DUMP_PREFIX_NONE, 16, 1,
1697 				       raw_edid, EDID_LENGTH, false);
1698 		}
1699 	}
1700 	return false;
1701 }
1702 EXPORT_SYMBOL(drm_edid_block_valid);
1703 
1704 /**
1705  * drm_edid_is_valid - sanity check EDID data
1706  * @edid: EDID data
1707  *
1708  * Sanity-check an entire EDID record (including extensions)
1709  *
1710  * Return: True if the EDID data is valid, false otherwise.
1711  */
1712 bool drm_edid_is_valid(struct edid *edid)
1713 {
1714 	int i;
1715 	u8 *raw = (u8 *)edid;
1716 
1717 	if (!edid)
1718 		return false;
1719 
1720 	for (i = 0; i <= edid->extensions; i++)
1721 		if (!drm_edid_block_valid(raw + i * EDID_LENGTH, i, true, NULL))
1722 			return false;
1723 
1724 	return true;
1725 }
1726 EXPORT_SYMBOL(drm_edid_is_valid);
1727 
1728 #define DDC_SEGMENT_ADDR 0x30
1729 /**
1730  * drm_do_probe_ddc_edid() - get EDID information via I2C
1731  * @data: I2C device adapter
1732  * @buf: EDID data buffer to be filled
1733  * @block: 128 byte EDID block to start fetching from
1734  * @len: EDID data buffer length to fetch
1735  *
1736  * Try to fetch EDID information by calling I2C driver functions.
1737  *
1738  * Return: 0 on success or -1 on failure.
1739  */
1740 static int
1741 drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len)
1742 {
1743 	struct i2c_adapter *adapter = data;
1744 	unsigned char start = block * EDID_LENGTH;
1745 	unsigned char segment = block >> 1;
1746 	unsigned char xfers = segment ? 3 : 2;
1747 	int ret, retries = 5;
1748 
1749 	/*
1750 	 * The core I2C driver will automatically retry the transfer if the
1751 	 * adapter reports EAGAIN. However, we find that bit-banging transfers
1752 	 * are susceptible to errors under a heavily loaded machine and
1753 	 * generate spurious NAKs and timeouts. Retrying the transfer
1754 	 * of the individual block a few times seems to overcome this.
1755 	 */
1756 	do {
1757 		struct i2c_msg msgs[] = {
1758 			{
1759 				.addr	= DDC_SEGMENT_ADDR,
1760 				.flags	= 0,
1761 				.len	= 1,
1762 				.buf	= &segment,
1763 			}, {
1764 				.addr	= DDC_ADDR,
1765 				.flags	= 0,
1766 				.len	= 1,
1767 				.buf	= &start,
1768 			}, {
1769 				.addr	= DDC_ADDR,
1770 				.flags	= I2C_M_RD,
1771 				.len	= len,
1772 				.buf	= buf,
1773 			}
1774 		};
1775 
1776 		/*
1777 		 * Avoid sending the segment addr to not upset non-compliant
1778 		 * DDC monitors.
1779 		 */
1780 		ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers);
1781 
1782 		if (ret == -ENXIO) {
1783 			DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n",
1784 					adapter->name);
1785 			break;
1786 		}
1787 	} while (ret != xfers && --retries);
1788 
1789 	return ret == xfers ? 0 : -1;
1790 }
1791 
1792 static void connector_bad_edid(struct drm_connector *connector,
1793 			       u8 *edid, int num_blocks)
1794 {
1795 	int i;
1796 
1797 	if (connector->bad_edid_counter++ && !drm_debug_enabled(DRM_UT_KMS))
1798 		return;
1799 
1800 	dev_warn(connector->dev->dev,
1801 		 "%s: EDID is invalid:\n",
1802 		 connector->name);
1803 	for (i = 0; i < num_blocks; i++) {
1804 		u8 *block = edid + i * EDID_LENGTH;
1805 		char prefix[20];
1806 
1807 		if (drm_edid_is_zero(block, EDID_LENGTH))
1808 			sprintf(prefix, "\t[%02x] ZERO ", i);
1809 		else if (!drm_edid_block_valid(block, i, false, NULL))
1810 			sprintf(prefix, "\t[%02x] BAD  ", i);
1811 		else
1812 			sprintf(prefix, "\t[%02x] GOOD ", i);
1813 
1814 		print_hex_dump(KERN_WARNING,
1815 			       prefix, DUMP_PREFIX_NONE, 16, 1,
1816 			       block, EDID_LENGTH, false);
1817 	}
1818 }
1819 
1820 /* Get override or firmware EDID */
1821 static struct edid *drm_get_override_edid(struct drm_connector *connector)
1822 {
1823 	struct edid *override = NULL;
1824 
1825 	if (connector->override_edid)
1826 		override = drm_edid_duplicate(connector->edid_blob_ptr->data);
1827 
1828 	if (!override)
1829 		override = drm_load_edid_firmware(connector);
1830 
1831 	return IS_ERR(override) ? NULL : override;
1832 }
1833 
1834 /**
1835  * drm_add_override_edid_modes - add modes from override/firmware EDID
1836  * @connector: connector we're probing
1837  *
1838  * Add modes from the override/firmware EDID, if available. Only to be used from
1839  * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe
1840  * failed during drm_get_edid() and caused the override/firmware EDID to be
1841  * skipped.
1842  *
1843  * Return: The number of modes added or 0 if we couldn't find any.
1844  */
1845 int drm_add_override_edid_modes(struct drm_connector *connector)
1846 {
1847 	struct edid *override;
1848 	int num_modes = 0;
1849 
1850 	override = drm_get_override_edid(connector);
1851 	if (override) {
1852 		drm_connector_update_edid_property(connector, override);
1853 		num_modes = drm_add_edid_modes(connector, override);
1854 		kfree(override);
1855 
1856 		DRM_DEBUG_KMS("[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n",
1857 			      connector->base.id, connector->name, num_modes);
1858 	}
1859 
1860 	return num_modes;
1861 }
1862 EXPORT_SYMBOL(drm_add_override_edid_modes);
1863 
1864 /**
1865  * drm_do_get_edid - get EDID data using a custom EDID block read function
1866  * @connector: connector we're probing
1867  * @get_edid_block: EDID block read function
1868  * @data: private data passed to the block read function
1869  *
1870  * When the I2C adapter connected to the DDC bus is hidden behind a device that
1871  * exposes a different interface to read EDID blocks this function can be used
1872  * to get EDID data using a custom block read function.
1873  *
1874  * As in the general case the DDC bus is accessible by the kernel at the I2C
1875  * level, drivers must make all reasonable efforts to expose it as an I2C
1876  * adapter and use drm_get_edid() instead of abusing this function.
1877  *
1878  * The EDID may be overridden using debugfs override_edid or firmare EDID
1879  * (drm_load_edid_firmware() and drm.edid_firmware parameter), in this priority
1880  * order. Having either of them bypasses actual EDID reads.
1881  *
1882  * Return: Pointer to valid EDID or NULL if we couldn't find any.
1883  */
1884 struct edid *drm_do_get_edid(struct drm_connector *connector,
1885 	int (*get_edid_block)(void *data, u8 *buf, unsigned int block,
1886 			      size_t len),
1887 	void *data)
1888 {
1889 	int i, j = 0, valid_extensions = 0;
1890 	u8 *edid, *new;
1891 	struct edid *override;
1892 
1893 	override = drm_get_override_edid(connector);
1894 	if (override)
1895 		return override;
1896 
1897 	if ((edid = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL)
1898 		return NULL;
1899 
1900 	/* base block fetch */
1901 	for (i = 0; i < 4; i++) {
1902 		if (get_edid_block(data, edid, 0, EDID_LENGTH))
1903 			goto out;
1904 		if (drm_edid_block_valid(edid, 0, false,
1905 					 &connector->edid_corrupt))
1906 			break;
1907 		if (i == 0 && drm_edid_is_zero(edid, EDID_LENGTH)) {
1908 			connector->null_edid_counter++;
1909 			goto carp;
1910 		}
1911 	}
1912 	if (i == 4)
1913 		goto carp;
1914 
1915 	/* if there's no extensions, we're done */
1916 	valid_extensions = edid[0x7e];
1917 	if (valid_extensions == 0)
1918 		return (struct edid *)edid;
1919 
1920 	new = krealloc(edid, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL);
1921 	if (!new)
1922 		goto out;
1923 	edid = new;
1924 
1925 	for (j = 1; j <= edid[0x7e]; j++) {
1926 		u8 *block = edid + j * EDID_LENGTH;
1927 
1928 		for (i = 0; i < 4; i++) {
1929 			if (get_edid_block(data, block, j, EDID_LENGTH))
1930 				goto out;
1931 			if (drm_edid_block_valid(block, j, false, NULL))
1932 				break;
1933 		}
1934 
1935 		if (i == 4)
1936 			valid_extensions--;
1937 	}
1938 
1939 	if (valid_extensions != edid[0x7e]) {
1940 		u8 *base;
1941 
1942 		connector_bad_edid(connector, edid, edid[0x7e] + 1);
1943 
1944 		edid[EDID_LENGTH-1] += edid[0x7e] - valid_extensions;
1945 		edid[0x7e] = valid_extensions;
1946 
1947 		new = kmalloc_array(valid_extensions + 1, EDID_LENGTH,
1948 				    GFP_KERNEL);
1949 		if (!new)
1950 			goto out;
1951 
1952 		base = new;
1953 		for (i = 0; i <= edid[0x7e]; i++) {
1954 			u8 *block = edid + i * EDID_LENGTH;
1955 
1956 			if (!drm_edid_block_valid(block, i, false, NULL))
1957 				continue;
1958 
1959 			memcpy(base, block, EDID_LENGTH);
1960 			base += EDID_LENGTH;
1961 		}
1962 
1963 		kfree(edid);
1964 		edid = new;
1965 	}
1966 
1967 	return (struct edid *)edid;
1968 
1969 carp:
1970 	connector_bad_edid(connector, edid, 1);
1971 out:
1972 	kfree(edid);
1973 	return NULL;
1974 }
1975 EXPORT_SYMBOL_GPL(drm_do_get_edid);
1976 
1977 /**
1978  * drm_probe_ddc() - probe DDC presence
1979  * @adapter: I2C adapter to probe
1980  *
1981  * Return: True on success, false on failure.
1982  */
1983 bool
1984 drm_probe_ddc(struct i2c_adapter *adapter)
1985 {
1986 	unsigned char out;
1987 
1988 	return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
1989 }
1990 EXPORT_SYMBOL(drm_probe_ddc);
1991 
1992 /**
1993  * drm_get_edid - get EDID data, if available
1994  * @connector: connector we're probing
1995  * @adapter: I2C adapter to use for DDC
1996  *
1997  * Poke the given I2C channel to grab EDID data if possible.  If found,
1998  * attach it to the connector.
1999  *
2000  * Return: Pointer to valid EDID or NULL if we couldn't find any.
2001  */
2002 struct edid *drm_get_edid(struct drm_connector *connector,
2003 			  struct i2c_adapter *adapter)
2004 {
2005 	struct edid *edid;
2006 
2007 	if (connector->force == DRM_FORCE_OFF)
2008 		return NULL;
2009 
2010 	if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
2011 		return NULL;
2012 
2013 	edid = drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter);
2014 	if (edid)
2015 		drm_get_displayid(connector, edid);
2016 	return edid;
2017 }
2018 EXPORT_SYMBOL(drm_get_edid);
2019 
2020 /**
2021  * drm_get_edid_switcheroo - get EDID data for a vga_switcheroo output
2022  * @connector: connector we're probing
2023  * @adapter: I2C adapter to use for DDC
2024  *
2025  * Wrapper around drm_get_edid() for laptops with dual GPUs using one set of
2026  * outputs. The wrapper adds the requisite vga_switcheroo calls to temporarily
2027  * switch DDC to the GPU which is retrieving EDID.
2028  *
2029  * Return: Pointer to valid EDID or %NULL if we couldn't find any.
2030  */
2031 struct edid *drm_get_edid_switcheroo(struct drm_connector *connector,
2032 				     struct i2c_adapter *adapter)
2033 {
2034 	struct pci_dev *pdev = connector->dev->pdev;
2035 	struct edid *edid;
2036 
2037 	vga_switcheroo_lock_ddc(pdev);
2038 	edid = drm_get_edid(connector, adapter);
2039 	vga_switcheroo_unlock_ddc(pdev);
2040 
2041 	return edid;
2042 }
2043 EXPORT_SYMBOL(drm_get_edid_switcheroo);
2044 
2045 /**
2046  * drm_edid_duplicate - duplicate an EDID and the extensions
2047  * @edid: EDID to duplicate
2048  *
2049  * Return: Pointer to duplicated EDID or NULL on allocation failure.
2050  */
2051 struct edid *drm_edid_duplicate(const struct edid *edid)
2052 {
2053 	return kmemdup(edid, (edid->extensions + 1) * EDID_LENGTH, GFP_KERNEL);
2054 }
2055 EXPORT_SYMBOL(drm_edid_duplicate);
2056 
2057 /*** EDID parsing ***/
2058 
2059 /**
2060  * edid_vendor - match a string against EDID's obfuscated vendor field
2061  * @edid: EDID to match
2062  * @vendor: vendor string
2063  *
2064  * Returns true if @vendor is in @edid, false otherwise
2065  */
2066 static bool edid_vendor(const struct edid *edid, const char *vendor)
2067 {
2068 	char edid_vendor[3];
2069 
2070 	edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@';
2071 	edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) |
2072 			  ((edid->mfg_id[1] & 0xe0) >> 5)) + '@';
2073 	edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@';
2074 
2075 	return !strncmp(edid_vendor, vendor, 3);
2076 }
2077 
2078 /**
2079  * edid_get_quirks - return quirk flags for a given EDID
2080  * @edid: EDID to process
2081  *
2082  * This tells subsequent routines what fixes they need to apply.
2083  */
2084 static u32 edid_get_quirks(const struct edid *edid)
2085 {
2086 	const struct edid_quirk *quirk;
2087 	int i;
2088 
2089 	for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
2090 		quirk = &edid_quirk_list[i];
2091 
2092 		if (edid_vendor(edid, quirk->vendor) &&
2093 		    (EDID_PRODUCT_ID(edid) == quirk->product_id))
2094 			return quirk->quirks;
2095 	}
2096 
2097 	return 0;
2098 }
2099 
2100 #define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
2101 #define MODE_REFRESH_DIFF(c,t) (abs((c) - (t)))
2102 
2103 /**
2104  * edid_fixup_preferred - set preferred modes based on quirk list
2105  * @connector: has mode list to fix up
2106  * @quirks: quirks list
2107  *
2108  * Walk the mode list for @connector, clearing the preferred status
2109  * on existing modes and setting it anew for the right mode ala @quirks.
2110  */
2111 static void edid_fixup_preferred(struct drm_connector *connector,
2112 				 u32 quirks)
2113 {
2114 	struct drm_display_mode *t, *cur_mode, *preferred_mode;
2115 	int target_refresh = 0;
2116 	int cur_vrefresh, preferred_vrefresh;
2117 
2118 	if (list_empty(&connector->probed_modes))
2119 		return;
2120 
2121 	if (quirks & EDID_QUIRK_PREFER_LARGE_60)
2122 		target_refresh = 60;
2123 	if (quirks & EDID_QUIRK_PREFER_LARGE_75)
2124 		target_refresh = 75;
2125 
2126 	preferred_mode = list_first_entry(&connector->probed_modes,
2127 					  struct drm_display_mode, head);
2128 
2129 	list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) {
2130 		cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
2131 
2132 		if (cur_mode == preferred_mode)
2133 			continue;
2134 
2135 		/* Largest mode is preferred */
2136 		if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
2137 			preferred_mode = cur_mode;
2138 
2139 		cur_vrefresh = cur_mode->vrefresh ?
2140 			cur_mode->vrefresh : drm_mode_vrefresh(cur_mode);
2141 		preferred_vrefresh = preferred_mode->vrefresh ?
2142 			preferred_mode->vrefresh : drm_mode_vrefresh(preferred_mode);
2143 		/* At a given size, try to get closest to target refresh */
2144 		if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
2145 		    MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) <
2146 		    MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) {
2147 			preferred_mode = cur_mode;
2148 		}
2149 	}
2150 
2151 	preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
2152 }
2153 
2154 static bool
2155 mode_is_rb(const struct drm_display_mode *mode)
2156 {
2157 	return (mode->htotal - mode->hdisplay == 160) &&
2158 	       (mode->hsync_end - mode->hdisplay == 80) &&
2159 	       (mode->hsync_end - mode->hsync_start == 32) &&
2160 	       (mode->vsync_start - mode->vdisplay == 3);
2161 }
2162 
2163 /*
2164  * drm_mode_find_dmt - Create a copy of a mode if present in DMT
2165  * @dev: Device to duplicate against
2166  * @hsize: Mode width
2167  * @vsize: Mode height
2168  * @fresh: Mode refresh rate
2169  * @rb: Mode reduced-blanking-ness
2170  *
2171  * Walk the DMT mode list looking for a match for the given parameters.
2172  *
2173  * Return: A newly allocated copy of the mode, or NULL if not found.
2174  */
2175 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
2176 					   int hsize, int vsize, int fresh,
2177 					   bool rb)
2178 {
2179 	int i;
2180 
2181 	for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2182 		const struct drm_display_mode *ptr = &drm_dmt_modes[i];
2183 		if (hsize != ptr->hdisplay)
2184 			continue;
2185 		if (vsize != ptr->vdisplay)
2186 			continue;
2187 		if (fresh != drm_mode_vrefresh(ptr))
2188 			continue;
2189 		if (rb != mode_is_rb(ptr))
2190 			continue;
2191 
2192 		return drm_mode_duplicate(dev, ptr);
2193 	}
2194 
2195 	return NULL;
2196 }
2197 EXPORT_SYMBOL(drm_mode_find_dmt);
2198 
2199 typedef void detailed_cb(struct detailed_timing *timing, void *closure);
2200 
2201 static void
2202 cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2203 {
2204 	int i, n = 0;
2205 	u8 d = ext[0x02];
2206 	u8 *det_base = ext + d;
2207 
2208 	n = (127 - d) / 18;
2209 	for (i = 0; i < n; i++)
2210 		cb((struct detailed_timing *)(det_base + 18 * i), closure);
2211 }
2212 
2213 static void
2214 vtb_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2215 {
2216 	unsigned int i, n = min((int)ext[0x02], 6);
2217 	u8 *det_base = ext + 5;
2218 
2219 	if (ext[0x01] != 1)
2220 		return; /* unknown version */
2221 
2222 	for (i = 0; i < n; i++)
2223 		cb((struct detailed_timing *)(det_base + 18 * i), closure);
2224 }
2225 
2226 static void
2227 drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure)
2228 {
2229 	int i;
2230 	struct edid *edid = (struct edid *)raw_edid;
2231 
2232 	if (edid == NULL)
2233 		return;
2234 
2235 	for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
2236 		cb(&(edid->detailed_timings[i]), closure);
2237 
2238 	for (i = 1; i <= raw_edid[0x7e]; i++) {
2239 		u8 *ext = raw_edid + (i * EDID_LENGTH);
2240 		switch (*ext) {
2241 		case CEA_EXT:
2242 			cea_for_each_detailed_block(ext, cb, closure);
2243 			break;
2244 		case VTB_EXT:
2245 			vtb_for_each_detailed_block(ext, cb, closure);
2246 			break;
2247 		default:
2248 			break;
2249 		}
2250 	}
2251 }
2252 
2253 static void
2254 is_rb(struct detailed_timing *t, void *data)
2255 {
2256 	u8 *r = (u8 *)t;
2257 	if (r[3] == EDID_DETAIL_MONITOR_RANGE)
2258 		if (r[15] & 0x10)
2259 			*(bool *)data = true;
2260 }
2261 
2262 /* EDID 1.4 defines this explicitly.  For EDID 1.3, we guess, badly. */
2263 static bool
2264 drm_monitor_supports_rb(struct edid *edid)
2265 {
2266 	if (edid->revision >= 4) {
2267 		bool ret = false;
2268 		drm_for_each_detailed_block((u8 *)edid, is_rb, &ret);
2269 		return ret;
2270 	}
2271 
2272 	return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
2273 }
2274 
2275 static void
2276 find_gtf2(struct detailed_timing *t, void *data)
2277 {
2278 	u8 *r = (u8 *)t;
2279 	if (r[3] == EDID_DETAIL_MONITOR_RANGE && r[10] == 0x02)
2280 		*(u8 **)data = r;
2281 }
2282 
2283 /* Secondary GTF curve kicks in above some break frequency */
2284 static int
2285 drm_gtf2_hbreak(struct edid *edid)
2286 {
2287 	u8 *r = NULL;
2288 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2289 	return r ? (r[12] * 2) : 0;
2290 }
2291 
2292 static int
2293 drm_gtf2_2c(struct edid *edid)
2294 {
2295 	u8 *r = NULL;
2296 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2297 	return r ? r[13] : 0;
2298 }
2299 
2300 static int
2301 drm_gtf2_m(struct edid *edid)
2302 {
2303 	u8 *r = NULL;
2304 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2305 	return r ? (r[15] << 8) + r[14] : 0;
2306 }
2307 
2308 static int
2309 drm_gtf2_k(struct edid *edid)
2310 {
2311 	u8 *r = NULL;
2312 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2313 	return r ? r[16] : 0;
2314 }
2315 
2316 static int
2317 drm_gtf2_2j(struct edid *edid)
2318 {
2319 	u8 *r = NULL;
2320 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2321 	return r ? r[17] : 0;
2322 }
2323 
2324 /**
2325  * standard_timing_level - get std. timing level(CVT/GTF/DMT)
2326  * @edid: EDID block to scan
2327  */
2328 static int standard_timing_level(struct edid *edid)
2329 {
2330 	if (edid->revision >= 2) {
2331 		if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))
2332 			return LEVEL_CVT;
2333 		if (drm_gtf2_hbreak(edid))
2334 			return LEVEL_GTF2;
2335 		if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
2336 			return LEVEL_GTF;
2337 	}
2338 	return LEVEL_DMT;
2339 }
2340 
2341 /*
2342  * 0 is reserved.  The spec says 0x01 fill for unused timings.  Some old
2343  * monitors fill with ascii space (0x20) instead.
2344  */
2345 static int
2346 bad_std_timing(u8 a, u8 b)
2347 {
2348 	return (a == 0x00 && b == 0x00) ||
2349 	       (a == 0x01 && b == 0x01) ||
2350 	       (a == 0x20 && b == 0x20);
2351 }
2352 
2353 /**
2354  * drm_mode_std - convert standard mode info (width, height, refresh) into mode
2355  * @connector: connector of for the EDID block
2356  * @edid: EDID block to scan
2357  * @t: standard timing params
2358  *
2359  * Take the standard timing params (in this case width, aspect, and refresh)
2360  * and convert them into a real mode using CVT/GTF/DMT.
2361  */
2362 static struct drm_display_mode *
2363 drm_mode_std(struct drm_connector *connector, struct edid *edid,
2364 	     struct std_timing *t)
2365 {
2366 	struct drm_device *dev = connector->dev;
2367 	struct drm_display_mode *m, *mode = NULL;
2368 	int hsize, vsize;
2369 	int vrefresh_rate;
2370 	unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
2371 		>> EDID_TIMING_ASPECT_SHIFT;
2372 	unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
2373 		>> EDID_TIMING_VFREQ_SHIFT;
2374 	int timing_level = standard_timing_level(edid);
2375 
2376 	if (bad_std_timing(t->hsize, t->vfreq_aspect))
2377 		return NULL;
2378 
2379 	/* According to the EDID spec, the hdisplay = hsize * 8 + 248 */
2380 	hsize = t->hsize * 8 + 248;
2381 	/* vrefresh_rate = vfreq + 60 */
2382 	vrefresh_rate = vfreq + 60;
2383 	/* the vdisplay is calculated based on the aspect ratio */
2384 	if (aspect_ratio == 0) {
2385 		if (edid->revision < 3)
2386 			vsize = hsize;
2387 		else
2388 			vsize = (hsize * 10) / 16;
2389 	} else if (aspect_ratio == 1)
2390 		vsize = (hsize * 3) / 4;
2391 	else if (aspect_ratio == 2)
2392 		vsize = (hsize * 4) / 5;
2393 	else
2394 		vsize = (hsize * 9) / 16;
2395 
2396 	/* HDTV hack, part 1 */
2397 	if (vrefresh_rate == 60 &&
2398 	    ((hsize == 1360 && vsize == 765) ||
2399 	     (hsize == 1368 && vsize == 769))) {
2400 		hsize = 1366;
2401 		vsize = 768;
2402 	}
2403 
2404 	/*
2405 	 * If this connector already has a mode for this size and refresh
2406 	 * rate (because it came from detailed or CVT info), use that
2407 	 * instead.  This way we don't have to guess at interlace or
2408 	 * reduced blanking.
2409 	 */
2410 	list_for_each_entry(m, &connector->probed_modes, head)
2411 		if (m->hdisplay == hsize && m->vdisplay == vsize &&
2412 		    drm_mode_vrefresh(m) == vrefresh_rate)
2413 			return NULL;
2414 
2415 	/* HDTV hack, part 2 */
2416 	if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
2417 		mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
2418 				    false);
2419 		if (!mode)
2420 			return NULL;
2421 		mode->hdisplay = 1366;
2422 		mode->hsync_start = mode->hsync_start - 1;
2423 		mode->hsync_end = mode->hsync_end - 1;
2424 		return mode;
2425 	}
2426 
2427 	/* check whether it can be found in default mode table */
2428 	if (drm_monitor_supports_rb(edid)) {
2429 		mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate,
2430 					 true);
2431 		if (mode)
2432 			return mode;
2433 	}
2434 	mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, false);
2435 	if (mode)
2436 		return mode;
2437 
2438 	/* okay, generate it */
2439 	switch (timing_level) {
2440 	case LEVEL_DMT:
2441 		break;
2442 	case LEVEL_GTF:
2443 		mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2444 		break;
2445 	case LEVEL_GTF2:
2446 		/*
2447 		 * This is potentially wrong if there's ever a monitor with
2448 		 * more than one ranges section, each claiming a different
2449 		 * secondary GTF curve.  Please don't do that.
2450 		 */
2451 		mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2452 		if (!mode)
2453 			return NULL;
2454 		if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) {
2455 			drm_mode_destroy(dev, mode);
2456 			mode = drm_gtf_mode_complex(dev, hsize, vsize,
2457 						    vrefresh_rate, 0, 0,
2458 						    drm_gtf2_m(edid),
2459 						    drm_gtf2_2c(edid),
2460 						    drm_gtf2_k(edid),
2461 						    drm_gtf2_2j(edid));
2462 		}
2463 		break;
2464 	case LEVEL_CVT:
2465 		mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
2466 				    false);
2467 		break;
2468 	}
2469 	return mode;
2470 }
2471 
2472 /*
2473  * EDID is delightfully ambiguous about how interlaced modes are to be
2474  * encoded.  Our internal representation is of frame height, but some
2475  * HDTV detailed timings are encoded as field height.
2476  *
2477  * The format list here is from CEA, in frame size.  Technically we
2478  * should be checking refresh rate too.  Whatever.
2479  */
2480 static void
2481 drm_mode_do_interlace_quirk(struct drm_display_mode *mode,
2482 			    struct detailed_pixel_timing *pt)
2483 {
2484 	int i;
2485 	static const struct {
2486 		int w, h;
2487 	} cea_interlaced[] = {
2488 		{ 1920, 1080 },
2489 		{  720,  480 },
2490 		{ 1440,  480 },
2491 		{ 2880,  480 },
2492 		{  720,  576 },
2493 		{ 1440,  576 },
2494 		{ 2880,  576 },
2495 	};
2496 
2497 	if (!(pt->misc & DRM_EDID_PT_INTERLACED))
2498 		return;
2499 
2500 	for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) {
2501 		if ((mode->hdisplay == cea_interlaced[i].w) &&
2502 		    (mode->vdisplay == cea_interlaced[i].h / 2)) {
2503 			mode->vdisplay *= 2;
2504 			mode->vsync_start *= 2;
2505 			mode->vsync_end *= 2;
2506 			mode->vtotal *= 2;
2507 			mode->vtotal |= 1;
2508 		}
2509 	}
2510 
2511 	mode->flags |= DRM_MODE_FLAG_INTERLACE;
2512 }
2513 
2514 /**
2515  * drm_mode_detailed - create a new mode from an EDID detailed timing section
2516  * @dev: DRM device (needed to create new mode)
2517  * @edid: EDID block
2518  * @timing: EDID detailed timing info
2519  * @quirks: quirks to apply
2520  *
2521  * An EDID detailed timing block contains enough info for us to create and
2522  * return a new struct drm_display_mode.
2523  */
2524 static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
2525 						  struct edid *edid,
2526 						  struct detailed_timing *timing,
2527 						  u32 quirks)
2528 {
2529 	struct drm_display_mode *mode;
2530 	struct detailed_pixel_timing *pt = &timing->data.pixel_data;
2531 	unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo;
2532 	unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo;
2533 	unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo;
2534 	unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo;
2535 	unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo;
2536 	unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo;
2537 	unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4;
2538 	unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf);
2539 
2540 	/* ignore tiny modes */
2541 	if (hactive < 64 || vactive < 64)
2542 		return NULL;
2543 
2544 	if (pt->misc & DRM_EDID_PT_STEREO) {
2545 		DRM_DEBUG_KMS("stereo mode not supported\n");
2546 		return NULL;
2547 	}
2548 	if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) {
2549 		DRM_DEBUG_KMS("composite sync not supported\n");
2550 	}
2551 
2552 	/* it is incorrect if hsync/vsync width is zero */
2553 	if (!hsync_pulse_width || !vsync_pulse_width) {
2554 		DRM_DEBUG_KMS("Incorrect Detailed timing. "
2555 				"Wrong Hsync/Vsync pulse width\n");
2556 		return NULL;
2557 	}
2558 
2559 	if (quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) {
2560 		mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false);
2561 		if (!mode)
2562 			return NULL;
2563 
2564 		goto set_size;
2565 	}
2566 
2567 	mode = drm_mode_create(dev);
2568 	if (!mode)
2569 		return NULL;
2570 
2571 	if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
2572 		timing->pixel_clock = cpu_to_le16(1088);
2573 
2574 	mode->clock = le16_to_cpu(timing->pixel_clock) * 10;
2575 
2576 	mode->hdisplay = hactive;
2577 	mode->hsync_start = mode->hdisplay + hsync_offset;
2578 	mode->hsync_end = mode->hsync_start + hsync_pulse_width;
2579 	mode->htotal = mode->hdisplay + hblank;
2580 
2581 	mode->vdisplay = vactive;
2582 	mode->vsync_start = mode->vdisplay + vsync_offset;
2583 	mode->vsync_end = mode->vsync_start + vsync_pulse_width;
2584 	mode->vtotal = mode->vdisplay + vblank;
2585 
2586 	/* Some EDIDs have bogus h/vtotal values */
2587 	if (mode->hsync_end > mode->htotal)
2588 		mode->htotal = mode->hsync_end + 1;
2589 	if (mode->vsync_end > mode->vtotal)
2590 		mode->vtotal = mode->vsync_end + 1;
2591 
2592 	drm_mode_do_interlace_quirk(mode, pt);
2593 
2594 	if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
2595 		pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE;
2596 	}
2597 
2598 	mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
2599 		DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
2600 	mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?
2601 		DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
2602 
2603 set_size:
2604 	mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4;
2605 	mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8;
2606 
2607 	if (quirks & EDID_QUIRK_DETAILED_IN_CM) {
2608 		mode->width_mm *= 10;
2609 		mode->height_mm *= 10;
2610 	}
2611 
2612 	if (quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) {
2613 		mode->width_mm = edid->width_cm * 10;
2614 		mode->height_mm = edid->height_cm * 10;
2615 	}
2616 
2617 	mode->type = DRM_MODE_TYPE_DRIVER;
2618 	mode->vrefresh = drm_mode_vrefresh(mode);
2619 	drm_mode_set_name(mode);
2620 
2621 	return mode;
2622 }
2623 
2624 static bool
2625 mode_in_hsync_range(const struct drm_display_mode *mode,
2626 		    struct edid *edid, u8 *t)
2627 {
2628 	int hsync, hmin, hmax;
2629 
2630 	hmin = t[7];
2631 	if (edid->revision >= 4)
2632 	    hmin += ((t[4] & 0x04) ? 255 : 0);
2633 	hmax = t[8];
2634 	if (edid->revision >= 4)
2635 	    hmax += ((t[4] & 0x08) ? 255 : 0);
2636 	hsync = drm_mode_hsync(mode);
2637 
2638 	return (hsync <= hmax && hsync >= hmin);
2639 }
2640 
2641 static bool
2642 mode_in_vsync_range(const struct drm_display_mode *mode,
2643 		    struct edid *edid, u8 *t)
2644 {
2645 	int vsync, vmin, vmax;
2646 
2647 	vmin = t[5];
2648 	if (edid->revision >= 4)
2649 	    vmin += ((t[4] & 0x01) ? 255 : 0);
2650 	vmax = t[6];
2651 	if (edid->revision >= 4)
2652 	    vmax += ((t[4] & 0x02) ? 255 : 0);
2653 	vsync = drm_mode_vrefresh(mode);
2654 
2655 	return (vsync <= vmax && vsync >= vmin);
2656 }
2657 
2658 static u32
2659 range_pixel_clock(struct edid *edid, u8 *t)
2660 {
2661 	/* unspecified */
2662 	if (t[9] == 0 || t[9] == 255)
2663 		return 0;
2664 
2665 	/* 1.4 with CVT support gives us real precision, yay */
2666 	if (edid->revision >= 4 && t[10] == 0x04)
2667 		return (t[9] * 10000) - ((t[12] >> 2) * 250);
2668 
2669 	/* 1.3 is pathetic, so fuzz up a bit */
2670 	return t[9] * 10000 + 5001;
2671 }
2672 
2673 static bool
2674 mode_in_range(const struct drm_display_mode *mode, struct edid *edid,
2675 	      struct detailed_timing *timing)
2676 {
2677 	u32 max_clock;
2678 	u8 *t = (u8 *)timing;
2679 
2680 	if (!mode_in_hsync_range(mode, edid, t))
2681 		return false;
2682 
2683 	if (!mode_in_vsync_range(mode, edid, t))
2684 		return false;
2685 
2686 	if ((max_clock = range_pixel_clock(edid, t)))
2687 		if (mode->clock > max_clock)
2688 			return false;
2689 
2690 	/* 1.4 max horizontal check */
2691 	if (edid->revision >= 4 && t[10] == 0x04)
2692 		if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
2693 			return false;
2694 
2695 	if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid))
2696 		return false;
2697 
2698 	return true;
2699 }
2700 
2701 static bool valid_inferred_mode(const struct drm_connector *connector,
2702 				const struct drm_display_mode *mode)
2703 {
2704 	const struct drm_display_mode *m;
2705 	bool ok = false;
2706 
2707 	list_for_each_entry(m, &connector->probed_modes, head) {
2708 		if (mode->hdisplay == m->hdisplay &&
2709 		    mode->vdisplay == m->vdisplay &&
2710 		    drm_mode_vrefresh(mode) == drm_mode_vrefresh(m))
2711 			return false; /* duplicated */
2712 		if (mode->hdisplay <= m->hdisplay &&
2713 		    mode->vdisplay <= m->vdisplay)
2714 			ok = true;
2715 	}
2716 	return ok;
2717 }
2718 
2719 static int
2720 drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2721 			struct detailed_timing *timing)
2722 {
2723 	int i, modes = 0;
2724 	struct drm_display_mode *newmode;
2725 	struct drm_device *dev = connector->dev;
2726 
2727 	for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2728 		if (mode_in_range(drm_dmt_modes + i, edid, timing) &&
2729 		    valid_inferred_mode(connector, drm_dmt_modes + i)) {
2730 			newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
2731 			if (newmode) {
2732 				drm_mode_probed_add(connector, newmode);
2733 				modes++;
2734 			}
2735 		}
2736 	}
2737 
2738 	return modes;
2739 }
2740 
2741 /* fix up 1366x768 mode from 1368x768;
2742  * GFT/CVT can't express 1366 width which isn't dividable by 8
2743  */
2744 void drm_mode_fixup_1366x768(struct drm_display_mode *mode)
2745 {
2746 	if (mode->hdisplay == 1368 && mode->vdisplay == 768) {
2747 		mode->hdisplay = 1366;
2748 		mode->hsync_start--;
2749 		mode->hsync_end--;
2750 		drm_mode_set_name(mode);
2751 	}
2752 }
2753 
2754 static int
2755 drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid,
2756 			struct detailed_timing *timing)
2757 {
2758 	int i, modes = 0;
2759 	struct drm_display_mode *newmode;
2760 	struct drm_device *dev = connector->dev;
2761 
2762 	for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2763 		const struct minimode *m = &extra_modes[i];
2764 		newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0);
2765 		if (!newmode)
2766 			return modes;
2767 
2768 		drm_mode_fixup_1366x768(newmode);
2769 		if (!mode_in_range(newmode, edid, timing) ||
2770 		    !valid_inferred_mode(connector, newmode)) {
2771 			drm_mode_destroy(dev, newmode);
2772 			continue;
2773 		}
2774 
2775 		drm_mode_probed_add(connector, newmode);
2776 		modes++;
2777 	}
2778 
2779 	return modes;
2780 }
2781 
2782 static int
2783 drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2784 			struct detailed_timing *timing)
2785 {
2786 	int i, modes = 0;
2787 	struct drm_display_mode *newmode;
2788 	struct drm_device *dev = connector->dev;
2789 	bool rb = drm_monitor_supports_rb(edid);
2790 
2791 	for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2792 		const struct minimode *m = &extra_modes[i];
2793 		newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0);
2794 		if (!newmode)
2795 			return modes;
2796 
2797 		drm_mode_fixup_1366x768(newmode);
2798 		if (!mode_in_range(newmode, edid, timing) ||
2799 		    !valid_inferred_mode(connector, newmode)) {
2800 			drm_mode_destroy(dev, newmode);
2801 			continue;
2802 		}
2803 
2804 		drm_mode_probed_add(connector, newmode);
2805 		modes++;
2806 	}
2807 
2808 	return modes;
2809 }
2810 
2811 static void
2812 do_inferred_modes(struct detailed_timing *timing, void *c)
2813 {
2814 	struct detailed_mode_closure *closure = c;
2815 	struct detailed_non_pixel *data = &timing->data.other_data;
2816 	struct detailed_data_monitor_range *range = &data->data.range;
2817 
2818 	if (data->type != EDID_DETAIL_MONITOR_RANGE)
2819 		return;
2820 
2821 	closure->modes += drm_dmt_modes_for_range(closure->connector,
2822 						  closure->edid,
2823 						  timing);
2824 
2825 	if (!version_greater(closure->edid, 1, 1))
2826 		return; /* GTF not defined yet */
2827 
2828 	switch (range->flags) {
2829 	case 0x02: /* secondary gtf, XXX could do more */
2830 	case 0x00: /* default gtf */
2831 		closure->modes += drm_gtf_modes_for_range(closure->connector,
2832 							  closure->edid,
2833 							  timing);
2834 		break;
2835 	case 0x04: /* cvt, only in 1.4+ */
2836 		if (!version_greater(closure->edid, 1, 3))
2837 			break;
2838 
2839 		closure->modes += drm_cvt_modes_for_range(closure->connector,
2840 							  closure->edid,
2841 							  timing);
2842 		break;
2843 	case 0x01: /* just the ranges, no formula */
2844 	default:
2845 		break;
2846 	}
2847 }
2848 
2849 static int
2850 add_inferred_modes(struct drm_connector *connector, struct edid *edid)
2851 {
2852 	struct detailed_mode_closure closure = {
2853 		.connector = connector,
2854 		.edid = edid,
2855 	};
2856 
2857 	if (version_greater(edid, 1, 0))
2858 		drm_for_each_detailed_block((u8 *)edid, do_inferred_modes,
2859 					    &closure);
2860 
2861 	return closure.modes;
2862 }
2863 
2864 static int
2865 drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing)
2866 {
2867 	int i, j, m, modes = 0;
2868 	struct drm_display_mode *mode;
2869 	u8 *est = ((u8 *)timing) + 6;
2870 
2871 	for (i = 0; i < 6; i++) {
2872 		for (j = 7; j >= 0; j--) {
2873 			m = (i * 8) + (7 - j);
2874 			if (m >= ARRAY_SIZE(est3_modes))
2875 				break;
2876 			if (est[i] & (1 << j)) {
2877 				mode = drm_mode_find_dmt(connector->dev,
2878 							 est3_modes[m].w,
2879 							 est3_modes[m].h,
2880 							 est3_modes[m].r,
2881 							 est3_modes[m].rb);
2882 				if (mode) {
2883 					drm_mode_probed_add(connector, mode);
2884 					modes++;
2885 				}
2886 			}
2887 		}
2888 	}
2889 
2890 	return modes;
2891 }
2892 
2893 static void
2894 do_established_modes(struct detailed_timing *timing, void *c)
2895 {
2896 	struct detailed_mode_closure *closure = c;
2897 	struct detailed_non_pixel *data = &timing->data.other_data;
2898 
2899 	if (data->type == EDID_DETAIL_EST_TIMINGS)
2900 		closure->modes += drm_est3_modes(closure->connector, timing);
2901 }
2902 
2903 /**
2904  * add_established_modes - get est. modes from EDID and add them
2905  * @connector: connector to add mode(s) to
2906  * @edid: EDID block to scan
2907  *
2908  * Each EDID block contains a bitmap of the supported "established modes" list
2909  * (defined above).  Tease them out and add them to the global modes list.
2910  */
2911 static int
2912 add_established_modes(struct drm_connector *connector, struct edid *edid)
2913 {
2914 	struct drm_device *dev = connector->dev;
2915 	unsigned long est_bits = edid->established_timings.t1 |
2916 		(edid->established_timings.t2 << 8) |
2917 		((edid->established_timings.mfg_rsvd & 0x80) << 9);
2918 	int i, modes = 0;
2919 	struct detailed_mode_closure closure = {
2920 		.connector = connector,
2921 		.edid = edid,
2922 	};
2923 
2924 	for (i = 0; i <= EDID_EST_TIMINGS; i++) {
2925 		if (est_bits & (1<<i)) {
2926 			struct drm_display_mode *newmode;
2927 			newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
2928 			if (newmode) {
2929 				drm_mode_probed_add(connector, newmode);
2930 				modes++;
2931 			}
2932 		}
2933 	}
2934 
2935 	if (version_greater(edid, 1, 0))
2936 		    drm_for_each_detailed_block((u8 *)edid,
2937 						do_established_modes, &closure);
2938 
2939 	return modes + closure.modes;
2940 }
2941 
2942 static void
2943 do_standard_modes(struct detailed_timing *timing, void *c)
2944 {
2945 	struct detailed_mode_closure *closure = c;
2946 	struct detailed_non_pixel *data = &timing->data.other_data;
2947 	struct drm_connector *connector = closure->connector;
2948 	struct edid *edid = closure->edid;
2949 
2950 	if (data->type == EDID_DETAIL_STD_MODES) {
2951 		int i;
2952 		for (i = 0; i < 6; i++) {
2953 			struct std_timing *std;
2954 			struct drm_display_mode *newmode;
2955 
2956 			std = &data->data.timings[i];
2957 			newmode = drm_mode_std(connector, edid, std);
2958 			if (newmode) {
2959 				drm_mode_probed_add(connector, newmode);
2960 				closure->modes++;
2961 			}
2962 		}
2963 	}
2964 }
2965 
2966 /**
2967  * add_standard_modes - get std. modes from EDID and add them
2968  * @connector: connector to add mode(s) to
2969  * @edid: EDID block to scan
2970  *
2971  * Standard modes can be calculated using the appropriate standard (DMT,
2972  * GTF or CVT. Grab them from @edid and add them to the list.
2973  */
2974 static int
2975 add_standard_modes(struct drm_connector *connector, struct edid *edid)
2976 {
2977 	int i, modes = 0;
2978 	struct detailed_mode_closure closure = {
2979 		.connector = connector,
2980 		.edid = edid,
2981 	};
2982 
2983 	for (i = 0; i < EDID_STD_TIMINGS; i++) {
2984 		struct drm_display_mode *newmode;
2985 
2986 		newmode = drm_mode_std(connector, edid,
2987 				       &edid->standard_timings[i]);
2988 		if (newmode) {
2989 			drm_mode_probed_add(connector, newmode);
2990 			modes++;
2991 		}
2992 	}
2993 
2994 	if (version_greater(edid, 1, 0))
2995 		drm_for_each_detailed_block((u8 *)edid, do_standard_modes,
2996 					    &closure);
2997 
2998 	/* XXX should also look for standard codes in VTB blocks */
2999 
3000 	return modes + closure.modes;
3001 }
3002 
3003 static int drm_cvt_modes(struct drm_connector *connector,
3004 			 struct detailed_timing *timing)
3005 {
3006 	int i, j, modes = 0;
3007 	struct drm_display_mode *newmode;
3008 	struct drm_device *dev = connector->dev;
3009 	struct cvt_timing *cvt;
3010 	const int rates[] = { 60, 85, 75, 60, 50 };
3011 	const u8 empty[3] = { 0, 0, 0 };
3012 
3013 	for (i = 0; i < 4; i++) {
3014 		int uninitialized_var(width), height;
3015 		cvt = &(timing->data.other_data.data.cvt[i]);
3016 
3017 		if (!memcmp(cvt->code, empty, 3))
3018 			continue;
3019 
3020 		height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;
3021 		switch (cvt->code[1] & 0x0c) {
3022 		case 0x00:
3023 			width = height * 4 / 3;
3024 			break;
3025 		case 0x04:
3026 			width = height * 16 / 9;
3027 			break;
3028 		case 0x08:
3029 			width = height * 16 / 10;
3030 			break;
3031 		case 0x0c:
3032 			width = height * 15 / 9;
3033 			break;
3034 		}
3035 
3036 		for (j = 1; j < 5; j++) {
3037 			if (cvt->code[2] & (1 << j)) {
3038 				newmode = drm_cvt_mode(dev, width, height,
3039 						       rates[j], j == 0,
3040 						       false, false);
3041 				if (newmode) {
3042 					drm_mode_probed_add(connector, newmode);
3043 					modes++;
3044 				}
3045 			}
3046 		}
3047 	}
3048 
3049 	return modes;
3050 }
3051 
3052 static void
3053 do_cvt_mode(struct detailed_timing *timing, void *c)
3054 {
3055 	struct detailed_mode_closure *closure = c;
3056 	struct detailed_non_pixel *data = &timing->data.other_data;
3057 
3058 	if (data->type == EDID_DETAIL_CVT_3BYTE)
3059 		closure->modes += drm_cvt_modes(closure->connector, timing);
3060 }
3061 
3062 static int
3063 add_cvt_modes(struct drm_connector *connector, struct edid *edid)
3064 {
3065 	struct detailed_mode_closure closure = {
3066 		.connector = connector,
3067 		.edid = edid,
3068 	};
3069 
3070 	if (version_greater(edid, 1, 2))
3071 		drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure);
3072 
3073 	/* XXX should also look for CVT codes in VTB blocks */
3074 
3075 	return closure.modes;
3076 }
3077 
3078 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode);
3079 
3080 static void
3081 do_detailed_mode(struct detailed_timing *timing, void *c)
3082 {
3083 	struct detailed_mode_closure *closure = c;
3084 	struct drm_display_mode *newmode;
3085 
3086 	if (timing->pixel_clock) {
3087 		newmode = drm_mode_detailed(closure->connector->dev,
3088 					    closure->edid, timing,
3089 					    closure->quirks);
3090 		if (!newmode)
3091 			return;
3092 
3093 		if (closure->preferred)
3094 			newmode->type |= DRM_MODE_TYPE_PREFERRED;
3095 
3096 		/*
3097 		 * Detailed modes are limited to 10kHz pixel clock resolution,
3098 		 * so fix up anything that looks like CEA/HDMI mode, but the clock
3099 		 * is just slightly off.
3100 		 */
3101 		fixup_detailed_cea_mode_clock(newmode);
3102 
3103 		drm_mode_probed_add(closure->connector, newmode);
3104 		closure->modes++;
3105 		closure->preferred = false;
3106 	}
3107 }
3108 
3109 /*
3110  * add_detailed_modes - Add modes from detailed timings
3111  * @connector: attached connector
3112  * @edid: EDID block to scan
3113  * @quirks: quirks to apply
3114  */
3115 static int
3116 add_detailed_modes(struct drm_connector *connector, struct edid *edid,
3117 		   u32 quirks)
3118 {
3119 	struct detailed_mode_closure closure = {
3120 		.connector = connector,
3121 		.edid = edid,
3122 		.preferred = true,
3123 		.quirks = quirks,
3124 	};
3125 
3126 	if (closure.preferred && !version_greater(edid, 1, 3))
3127 		closure.preferred =
3128 		    (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
3129 
3130 	drm_for_each_detailed_block((u8 *)edid, do_detailed_mode, &closure);
3131 
3132 	return closure.modes;
3133 }
3134 
3135 #define AUDIO_BLOCK	0x01
3136 #define VIDEO_BLOCK     0x02
3137 #define VENDOR_BLOCK    0x03
3138 #define SPEAKER_BLOCK	0x04
3139 #define HDR_STATIC_METADATA_BLOCK	0x6
3140 #define USE_EXTENDED_TAG 0x07
3141 #define EXT_VIDEO_CAPABILITY_BLOCK 0x00
3142 #define EXT_VIDEO_DATA_BLOCK_420	0x0E
3143 #define EXT_VIDEO_CAP_BLOCK_Y420CMDB 0x0F
3144 #define EDID_BASIC_AUDIO	(1 << 6)
3145 #define EDID_CEA_YCRCB444	(1 << 5)
3146 #define EDID_CEA_YCRCB422	(1 << 4)
3147 #define EDID_CEA_VCDB_QS	(1 << 6)
3148 
3149 /*
3150  * Search EDID for CEA extension block.
3151  */
3152 static u8 *drm_find_edid_extension(const struct edid *edid, int ext_id)
3153 {
3154 	u8 *edid_ext = NULL;
3155 	int i;
3156 
3157 	/* No EDID or EDID extensions */
3158 	if (edid == NULL || edid->extensions == 0)
3159 		return NULL;
3160 
3161 	/* Find CEA extension */
3162 	for (i = 0; i < edid->extensions; i++) {
3163 		edid_ext = (u8 *)edid + EDID_LENGTH * (i + 1);
3164 		if (edid_ext[0] == ext_id)
3165 			break;
3166 	}
3167 
3168 	if (i == edid->extensions)
3169 		return NULL;
3170 
3171 	return edid_ext;
3172 }
3173 
3174 
3175 static u8 *drm_find_displayid_extension(const struct edid *edid)
3176 {
3177 	return drm_find_edid_extension(edid, DISPLAYID_EXT);
3178 }
3179 
3180 static u8 *drm_find_cea_extension(const struct edid *edid)
3181 {
3182 	int ret;
3183 	int idx = 1;
3184 	int length = EDID_LENGTH;
3185 	struct displayid_block *block;
3186 	u8 *cea;
3187 	u8 *displayid;
3188 
3189 	/* Look for a top level CEA extension block */
3190 	cea = drm_find_edid_extension(edid, CEA_EXT);
3191 	if (cea)
3192 		return cea;
3193 
3194 	/* CEA blocks can also be found embedded in a DisplayID block */
3195 	displayid = drm_find_displayid_extension(edid);
3196 	if (!displayid)
3197 		return NULL;
3198 
3199 	ret = validate_displayid(displayid, length, idx);
3200 	if (ret)
3201 		return NULL;
3202 
3203 	idx += sizeof(struct displayid_hdr);
3204 	for_each_displayid_db(displayid, block, idx, length) {
3205 		if (block->tag == DATA_BLOCK_CTA) {
3206 			cea = (u8 *)block;
3207 			break;
3208 		}
3209 	}
3210 
3211 	return cea;
3212 }
3213 
3214 static __always_inline const struct drm_display_mode *cea_mode_for_vic(u8 vic)
3215 {
3216 	BUILD_BUG_ON(1 + ARRAY_SIZE(edid_cea_modes_1) - 1 != 127);
3217 	BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 219);
3218 
3219 	if (vic >= 1 && vic < 1 + ARRAY_SIZE(edid_cea_modes_1))
3220 		return &edid_cea_modes_1[vic - 1];
3221 	if (vic >= 193 && vic < 193 + ARRAY_SIZE(edid_cea_modes_193))
3222 		return &edid_cea_modes_193[vic - 193];
3223 	return NULL;
3224 }
3225 
3226 static u8 cea_num_vics(void)
3227 {
3228 	return 193 + ARRAY_SIZE(edid_cea_modes_193);
3229 }
3230 
3231 static u8 cea_next_vic(u8 vic)
3232 {
3233 	if (++vic == 1 + ARRAY_SIZE(edid_cea_modes_1))
3234 		vic = 193;
3235 	return vic;
3236 }
3237 
3238 /*
3239  * Calculate the alternate clock for the CEA mode
3240  * (60Hz vs. 59.94Hz etc.)
3241  */
3242 static unsigned int
3243 cea_mode_alternate_clock(const struct drm_display_mode *cea_mode)
3244 {
3245 	unsigned int clock = cea_mode->clock;
3246 
3247 	if (cea_mode->vrefresh % 6 != 0)
3248 		return clock;
3249 
3250 	/*
3251 	 * edid_cea_modes contains the 59.94Hz
3252 	 * variant for 240 and 480 line modes,
3253 	 * and the 60Hz variant otherwise.
3254 	 */
3255 	if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480)
3256 		clock = DIV_ROUND_CLOSEST(clock * 1001, 1000);
3257 	else
3258 		clock = DIV_ROUND_CLOSEST(clock * 1000, 1001);
3259 
3260 	return clock;
3261 }
3262 
3263 static bool
3264 cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode)
3265 {
3266 	/*
3267 	 * For certain VICs the spec allows the vertical
3268 	 * front porch to vary by one or two lines.
3269 	 *
3270 	 * cea_modes[] stores the variant with the shortest
3271 	 * vertical front porch. We can adjust the mode to
3272 	 * get the other variants by simply increasing the
3273 	 * vertical front porch length.
3274 	 */
3275 	BUILD_BUG_ON(cea_mode_for_vic(8)->vtotal != 262 ||
3276 		     cea_mode_for_vic(9)->vtotal != 262 ||
3277 		     cea_mode_for_vic(12)->vtotal != 262 ||
3278 		     cea_mode_for_vic(13)->vtotal != 262 ||
3279 		     cea_mode_for_vic(23)->vtotal != 312 ||
3280 		     cea_mode_for_vic(24)->vtotal != 312 ||
3281 		     cea_mode_for_vic(27)->vtotal != 312 ||
3282 		     cea_mode_for_vic(28)->vtotal != 312);
3283 
3284 	if (((vic == 8 || vic == 9 ||
3285 	      vic == 12 || vic == 13) && mode->vtotal < 263) ||
3286 	    ((vic == 23 || vic == 24 ||
3287 	      vic == 27 || vic == 28) && mode->vtotal < 314)) {
3288 		mode->vsync_start++;
3289 		mode->vsync_end++;
3290 		mode->vtotal++;
3291 
3292 		return true;
3293 	}
3294 
3295 	return false;
3296 }
3297 
3298 static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match,
3299 					     unsigned int clock_tolerance)
3300 {
3301 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3302 	u8 vic;
3303 
3304 	if (!to_match->clock)
3305 		return 0;
3306 
3307 	if (to_match->picture_aspect_ratio)
3308 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3309 
3310 	for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3311 		struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3312 		unsigned int clock1, clock2;
3313 
3314 		/* Check both 60Hz and 59.94Hz */
3315 		clock1 = cea_mode.clock;
3316 		clock2 = cea_mode_alternate_clock(&cea_mode);
3317 
3318 		if (abs(to_match->clock - clock1) > clock_tolerance &&
3319 		    abs(to_match->clock - clock2) > clock_tolerance)
3320 			continue;
3321 
3322 		do {
3323 			if (drm_mode_match(to_match, &cea_mode, match_flags))
3324 				return vic;
3325 		} while (cea_mode_alternate_timings(vic, &cea_mode));
3326 	}
3327 
3328 	return 0;
3329 }
3330 
3331 /**
3332  * drm_match_cea_mode - look for a CEA mode matching given mode
3333  * @to_match: display mode
3334  *
3335  * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
3336  * mode.
3337  */
3338 u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
3339 {
3340 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3341 	u8 vic;
3342 
3343 	if (!to_match->clock)
3344 		return 0;
3345 
3346 	if (to_match->picture_aspect_ratio)
3347 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3348 
3349 	for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3350 		struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3351 		unsigned int clock1, clock2;
3352 
3353 		/* Check both 60Hz and 59.94Hz */
3354 		clock1 = cea_mode.clock;
3355 		clock2 = cea_mode_alternate_clock(&cea_mode);
3356 
3357 		if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) &&
3358 		    KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2))
3359 			continue;
3360 
3361 		do {
3362 			if (drm_mode_match(to_match, &cea_mode, match_flags))
3363 				return vic;
3364 		} while (cea_mode_alternate_timings(vic, &cea_mode));
3365 	}
3366 
3367 	return 0;
3368 }
3369 EXPORT_SYMBOL(drm_match_cea_mode);
3370 
3371 static bool drm_valid_cea_vic(u8 vic)
3372 {
3373 	return cea_mode_for_vic(vic) != NULL;
3374 }
3375 
3376 static enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code)
3377 {
3378 	const struct drm_display_mode *mode = cea_mode_for_vic(video_code);
3379 
3380 	if (mode)
3381 		return mode->picture_aspect_ratio;
3382 
3383 	return HDMI_PICTURE_ASPECT_NONE;
3384 }
3385 
3386 static enum hdmi_picture_aspect drm_get_hdmi_aspect_ratio(const u8 video_code)
3387 {
3388 	return edid_4k_modes[video_code].picture_aspect_ratio;
3389 }
3390 
3391 /*
3392  * Calculate the alternate clock for HDMI modes (those from the HDMI vendor
3393  * specific block).
3394  */
3395 static unsigned int
3396 hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode)
3397 {
3398 	return cea_mode_alternate_clock(hdmi_mode);
3399 }
3400 
3401 static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match,
3402 					      unsigned int clock_tolerance)
3403 {
3404 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3405 	u8 vic;
3406 
3407 	if (!to_match->clock)
3408 		return 0;
3409 
3410 	if (to_match->picture_aspect_ratio)
3411 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3412 
3413 	for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3414 		const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3415 		unsigned int clock1, clock2;
3416 
3417 		/* Make sure to also match alternate clocks */
3418 		clock1 = hdmi_mode->clock;
3419 		clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3420 
3421 		if (abs(to_match->clock - clock1) > clock_tolerance &&
3422 		    abs(to_match->clock - clock2) > clock_tolerance)
3423 			continue;
3424 
3425 		if (drm_mode_match(to_match, hdmi_mode, match_flags))
3426 			return vic;
3427 	}
3428 
3429 	return 0;
3430 }
3431 
3432 /*
3433  * drm_match_hdmi_mode - look for a HDMI mode matching given mode
3434  * @to_match: display mode
3435  *
3436  * An HDMI mode is one defined in the HDMI vendor specific block.
3437  *
3438  * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one.
3439  */
3440 static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match)
3441 {
3442 	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3443 	u8 vic;
3444 
3445 	if (!to_match->clock)
3446 		return 0;
3447 
3448 	if (to_match->picture_aspect_ratio)
3449 		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3450 
3451 	for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3452 		const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3453 		unsigned int clock1, clock2;
3454 
3455 		/* Make sure to also match alternate clocks */
3456 		clock1 = hdmi_mode->clock;
3457 		clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3458 
3459 		if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||
3460 		     KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&
3461 		    drm_mode_match(to_match, hdmi_mode, match_flags))
3462 			return vic;
3463 	}
3464 	return 0;
3465 }
3466 
3467 static bool drm_valid_hdmi_vic(u8 vic)
3468 {
3469 	return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes);
3470 }
3471 
3472 static int
3473 add_alternate_cea_modes(struct drm_connector *connector, struct edid *edid)
3474 {
3475 	struct drm_device *dev = connector->dev;
3476 	struct drm_display_mode *mode, *tmp;
3477 	LIST_HEAD(list);
3478 	int modes = 0;
3479 
3480 	/* Don't add CEA modes if the CEA extension block is missing */
3481 	if (!drm_find_cea_extension(edid))
3482 		return 0;
3483 
3484 	/*
3485 	 * Go through all probed modes and create a new mode
3486 	 * with the alternate clock for certain CEA modes.
3487 	 */
3488 	list_for_each_entry(mode, &connector->probed_modes, head) {
3489 		const struct drm_display_mode *cea_mode = NULL;
3490 		struct drm_display_mode *newmode;
3491 		u8 vic = drm_match_cea_mode(mode);
3492 		unsigned int clock1, clock2;
3493 
3494 		if (drm_valid_cea_vic(vic)) {
3495 			cea_mode = cea_mode_for_vic(vic);
3496 			clock2 = cea_mode_alternate_clock(cea_mode);
3497 		} else {
3498 			vic = drm_match_hdmi_mode(mode);
3499 			if (drm_valid_hdmi_vic(vic)) {
3500 				cea_mode = &edid_4k_modes[vic];
3501 				clock2 = hdmi_mode_alternate_clock(cea_mode);
3502 			}
3503 		}
3504 
3505 		if (!cea_mode)
3506 			continue;
3507 
3508 		clock1 = cea_mode->clock;
3509 
3510 		if (clock1 == clock2)
3511 			continue;
3512 
3513 		if (mode->clock != clock1 && mode->clock != clock2)
3514 			continue;
3515 
3516 		newmode = drm_mode_duplicate(dev, cea_mode);
3517 		if (!newmode)
3518 			continue;
3519 
3520 		/* Carry over the stereo flags */
3521 		newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK;
3522 
3523 		/*
3524 		 * The current mode could be either variant. Make
3525 		 * sure to pick the "other" clock for the new mode.
3526 		 */
3527 		if (mode->clock != clock1)
3528 			newmode->clock = clock1;
3529 		else
3530 			newmode->clock = clock2;
3531 
3532 		list_add_tail(&newmode->head, &list);
3533 	}
3534 
3535 	list_for_each_entry_safe(mode, tmp, &list, head) {
3536 		list_del(&mode->head);
3537 		drm_mode_probed_add(connector, mode);
3538 		modes++;
3539 	}
3540 
3541 	return modes;
3542 }
3543 
3544 static u8 svd_to_vic(u8 svd)
3545 {
3546 	/* 0-6 bit vic, 7th bit native mode indicator */
3547 	if ((svd >= 1 &&  svd <= 64) || (svd >= 129 && svd <= 192))
3548 		return svd & 127;
3549 
3550 	return svd;
3551 }
3552 
3553 static struct drm_display_mode *
3554 drm_display_mode_from_vic_index(struct drm_connector *connector,
3555 				const u8 *video_db, u8 video_len,
3556 				u8 video_index)
3557 {
3558 	struct drm_device *dev = connector->dev;
3559 	struct drm_display_mode *newmode;
3560 	u8 vic;
3561 
3562 	if (video_db == NULL || video_index >= video_len)
3563 		return NULL;
3564 
3565 	/* CEA modes are numbered 1..127 */
3566 	vic = svd_to_vic(video_db[video_index]);
3567 	if (!drm_valid_cea_vic(vic))
3568 		return NULL;
3569 
3570 	newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3571 	if (!newmode)
3572 		return NULL;
3573 
3574 	newmode->vrefresh = 0;
3575 
3576 	return newmode;
3577 }
3578 
3579 /*
3580  * do_y420vdb_modes - Parse YCBCR 420 only modes
3581  * @connector: connector corresponding to the HDMI sink
3582  * @svds: start of the data block of CEA YCBCR 420 VDB
3583  * @len: length of the CEA YCBCR 420 VDB
3584  *
3585  * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB)
3586  * which contains modes which can be supported in YCBCR 420
3587  * output format only.
3588  */
3589 static int do_y420vdb_modes(struct drm_connector *connector,
3590 			    const u8 *svds, u8 svds_len)
3591 {
3592 	int modes = 0, i;
3593 	struct drm_device *dev = connector->dev;
3594 	struct drm_display_info *info = &connector->display_info;
3595 	struct drm_hdmi_info *hdmi = &info->hdmi;
3596 
3597 	for (i = 0; i < svds_len; i++) {
3598 		u8 vic = svd_to_vic(svds[i]);
3599 		struct drm_display_mode *newmode;
3600 
3601 		if (!drm_valid_cea_vic(vic))
3602 			continue;
3603 
3604 		newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3605 		if (!newmode)
3606 			break;
3607 		bitmap_set(hdmi->y420_vdb_modes, vic, 1);
3608 		drm_mode_probed_add(connector, newmode);
3609 		modes++;
3610 	}
3611 
3612 	if (modes > 0)
3613 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
3614 	return modes;
3615 }
3616 
3617 /*
3618  * drm_add_cmdb_modes - Add a YCBCR 420 mode into bitmap
3619  * @connector: connector corresponding to the HDMI sink
3620  * @vic: CEA vic for the video mode to be added in the map
3621  *
3622  * Makes an entry for a videomode in the YCBCR 420 bitmap
3623  */
3624 static void
3625 drm_add_cmdb_modes(struct drm_connector *connector, u8 svd)
3626 {
3627 	u8 vic = svd_to_vic(svd);
3628 	struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3629 
3630 	if (!drm_valid_cea_vic(vic))
3631 		return;
3632 
3633 	bitmap_set(hdmi->y420_cmdb_modes, vic, 1);
3634 }
3635 
3636 static int
3637 do_cea_modes(struct drm_connector *connector, const u8 *db, u8 len)
3638 {
3639 	int i, modes = 0;
3640 	struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3641 
3642 	for (i = 0; i < len; i++) {
3643 		struct drm_display_mode *mode;
3644 		mode = drm_display_mode_from_vic_index(connector, db, len, i);
3645 		if (mode) {
3646 			/*
3647 			 * YCBCR420 capability block contains a bitmap which
3648 			 * gives the index of CEA modes from CEA VDB, which
3649 			 * can support YCBCR 420 sampling output also (apart
3650 			 * from RGB/YCBCR444 etc).
3651 			 * For example, if the bit 0 in bitmap is set,
3652 			 * first mode in VDB can support YCBCR420 output too.
3653 			 * Add YCBCR420 modes only if sink is HDMI 2.0 capable.
3654 			 */
3655 			if (i < 64 && hdmi->y420_cmdb_map & (1ULL << i))
3656 				drm_add_cmdb_modes(connector, db[i]);
3657 
3658 			drm_mode_probed_add(connector, mode);
3659 			modes++;
3660 		}
3661 	}
3662 
3663 	return modes;
3664 }
3665 
3666 struct stereo_mandatory_mode {
3667 	int width, height, vrefresh;
3668 	unsigned int flags;
3669 };
3670 
3671 static const struct stereo_mandatory_mode stereo_mandatory_modes[] = {
3672 	{ 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3673 	{ 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING },
3674 	{ 1920, 1080, 50,
3675 	  DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3676 	{ 1920, 1080, 60,
3677 	  DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3678 	{ 1280, 720,  50, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3679 	{ 1280, 720,  50, DRM_MODE_FLAG_3D_FRAME_PACKING },
3680 	{ 1280, 720,  60, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3681 	{ 1280, 720,  60, DRM_MODE_FLAG_3D_FRAME_PACKING }
3682 };
3683 
3684 static bool
3685 stereo_match_mandatory(const struct drm_display_mode *mode,
3686 		       const struct stereo_mandatory_mode *stereo_mode)
3687 {
3688 	unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;
3689 
3690 	return mode->hdisplay == stereo_mode->width &&
3691 	       mode->vdisplay == stereo_mode->height &&
3692 	       interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) &&
3693 	       drm_mode_vrefresh(mode) == stereo_mode->vrefresh;
3694 }
3695 
3696 static int add_hdmi_mandatory_stereo_modes(struct drm_connector *connector)
3697 {
3698 	struct drm_device *dev = connector->dev;
3699 	const struct drm_display_mode *mode;
3700 	struct list_head stereo_modes;
3701 	int modes = 0, i;
3702 
3703 	INIT_LIST_HEAD(&stereo_modes);
3704 
3705 	list_for_each_entry(mode, &connector->probed_modes, head) {
3706 		for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) {
3707 			const struct stereo_mandatory_mode *mandatory;
3708 			struct drm_display_mode *new_mode;
3709 
3710 			if (!stereo_match_mandatory(mode,
3711 						    &stereo_mandatory_modes[i]))
3712 				continue;
3713 
3714 			mandatory = &stereo_mandatory_modes[i];
3715 			new_mode = drm_mode_duplicate(dev, mode);
3716 			if (!new_mode)
3717 				continue;
3718 
3719 			new_mode->flags |= mandatory->flags;
3720 			list_add_tail(&new_mode->head, &stereo_modes);
3721 			modes++;
3722 		}
3723 	}
3724 
3725 	list_splice_tail(&stereo_modes, &connector->probed_modes);
3726 
3727 	return modes;
3728 }
3729 
3730 static int add_hdmi_mode(struct drm_connector *connector, u8 vic)
3731 {
3732 	struct drm_device *dev = connector->dev;
3733 	struct drm_display_mode *newmode;
3734 
3735 	if (!drm_valid_hdmi_vic(vic)) {
3736 		DRM_ERROR("Unknown HDMI VIC: %d\n", vic);
3737 		return 0;
3738 	}
3739 
3740 	newmode = drm_mode_duplicate(dev, &edid_4k_modes[vic]);
3741 	if (!newmode)
3742 		return 0;
3743 
3744 	drm_mode_probed_add(connector, newmode);
3745 
3746 	return 1;
3747 }
3748 
3749 static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
3750 			       const u8 *video_db, u8 video_len, u8 video_index)
3751 {
3752 	struct drm_display_mode *newmode;
3753 	int modes = 0;
3754 
3755 	if (structure & (1 << 0)) {
3756 		newmode = drm_display_mode_from_vic_index(connector, video_db,
3757 							  video_len,
3758 							  video_index);
3759 		if (newmode) {
3760 			newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING;
3761 			drm_mode_probed_add(connector, newmode);
3762 			modes++;
3763 		}
3764 	}
3765 	if (structure & (1 << 6)) {
3766 		newmode = drm_display_mode_from_vic_index(connector, video_db,
3767 							  video_len,
3768 							  video_index);
3769 		if (newmode) {
3770 			newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
3771 			drm_mode_probed_add(connector, newmode);
3772 			modes++;
3773 		}
3774 	}
3775 	if (structure & (1 << 8)) {
3776 		newmode = drm_display_mode_from_vic_index(connector, video_db,
3777 							  video_len,
3778 							  video_index);
3779 		if (newmode) {
3780 			newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3781 			drm_mode_probed_add(connector, newmode);
3782 			modes++;
3783 		}
3784 	}
3785 
3786 	return modes;
3787 }
3788 
3789 /*
3790  * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block
3791  * @connector: connector corresponding to the HDMI sink
3792  * @db: start of the CEA vendor specific block
3793  * @len: length of the CEA block payload, ie. one can access up to db[len]
3794  *
3795  * Parses the HDMI VSDB looking for modes to add to @connector. This function
3796  * also adds the stereo 3d modes when applicable.
3797  */
3798 static int
3799 do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len,
3800 		   const u8 *video_db, u8 video_len)
3801 {
3802 	struct drm_display_info *info = &connector->display_info;
3803 	int modes = 0, offset = 0, i, multi_present = 0, multi_len;
3804 	u8 vic_len, hdmi_3d_len = 0;
3805 	u16 mask;
3806 	u16 structure_all;
3807 
3808 	if (len < 8)
3809 		goto out;
3810 
3811 	/* no HDMI_Video_Present */
3812 	if (!(db[8] & (1 << 5)))
3813 		goto out;
3814 
3815 	/* Latency_Fields_Present */
3816 	if (db[8] & (1 << 7))
3817 		offset += 2;
3818 
3819 	/* I_Latency_Fields_Present */
3820 	if (db[8] & (1 << 6))
3821 		offset += 2;
3822 
3823 	/* the declared length is not long enough for the 2 first bytes
3824 	 * of additional video format capabilities */
3825 	if (len < (8 + offset + 2))
3826 		goto out;
3827 
3828 	/* 3D_Present */
3829 	offset++;
3830 	if (db[8 + offset] & (1 << 7)) {
3831 		modes += add_hdmi_mandatory_stereo_modes(connector);
3832 
3833 		/* 3D_Multi_present */
3834 		multi_present = (db[8 + offset] & 0x60) >> 5;
3835 	}
3836 
3837 	offset++;
3838 	vic_len = db[8 + offset] >> 5;
3839 	hdmi_3d_len = db[8 + offset] & 0x1f;
3840 
3841 	for (i = 0; i < vic_len && len >= (9 + offset + i); i++) {
3842 		u8 vic;
3843 
3844 		vic = db[9 + offset + i];
3845 		modes += add_hdmi_mode(connector, vic);
3846 	}
3847 	offset += 1 + vic_len;
3848 
3849 	if (multi_present == 1)
3850 		multi_len = 2;
3851 	else if (multi_present == 2)
3852 		multi_len = 4;
3853 	else
3854 		multi_len = 0;
3855 
3856 	if (len < (8 + offset + hdmi_3d_len - 1))
3857 		goto out;
3858 
3859 	if (hdmi_3d_len < multi_len)
3860 		goto out;
3861 
3862 	if (multi_present == 1 || multi_present == 2) {
3863 		/* 3D_Structure_ALL */
3864 		structure_all = (db[8 + offset] << 8) | db[9 + offset];
3865 
3866 		/* check if 3D_MASK is present */
3867 		if (multi_present == 2)
3868 			mask = (db[10 + offset] << 8) | db[11 + offset];
3869 		else
3870 			mask = 0xffff;
3871 
3872 		for (i = 0; i < 16; i++) {
3873 			if (mask & (1 << i))
3874 				modes += add_3d_struct_modes(connector,
3875 						structure_all,
3876 						video_db,
3877 						video_len, i);
3878 		}
3879 	}
3880 
3881 	offset += multi_len;
3882 
3883 	for (i = 0; i < (hdmi_3d_len - multi_len); i++) {
3884 		int vic_index;
3885 		struct drm_display_mode *newmode = NULL;
3886 		unsigned int newflag = 0;
3887 		bool detail_present;
3888 
3889 		detail_present = ((db[8 + offset + i] & 0x0f) > 7);
3890 
3891 		if (detail_present && (i + 1 == hdmi_3d_len - multi_len))
3892 			break;
3893 
3894 		/* 2D_VIC_order_X */
3895 		vic_index = db[8 + offset + i] >> 4;
3896 
3897 		/* 3D_Structure_X */
3898 		switch (db[8 + offset + i] & 0x0f) {
3899 		case 0:
3900 			newflag = DRM_MODE_FLAG_3D_FRAME_PACKING;
3901 			break;
3902 		case 6:
3903 			newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
3904 			break;
3905 		case 8:
3906 			/* 3D_Detail_X */
3907 			if ((db[9 + offset + i] >> 4) == 1)
3908 				newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3909 			break;
3910 		}
3911 
3912 		if (newflag != 0) {
3913 			newmode = drm_display_mode_from_vic_index(connector,
3914 								  video_db,
3915 								  video_len,
3916 								  vic_index);
3917 
3918 			if (newmode) {
3919 				newmode->flags |= newflag;
3920 				drm_mode_probed_add(connector, newmode);
3921 				modes++;
3922 			}
3923 		}
3924 
3925 		if (detail_present)
3926 			i++;
3927 	}
3928 
3929 out:
3930 	if (modes > 0)
3931 		info->has_hdmi_infoframe = true;
3932 	return modes;
3933 }
3934 
3935 static int
3936 cea_db_payload_len(const u8 *db)
3937 {
3938 	return db[0] & 0x1f;
3939 }
3940 
3941 static int
3942 cea_db_extended_tag(const u8 *db)
3943 {
3944 	return db[1];
3945 }
3946 
3947 static int
3948 cea_db_tag(const u8 *db)
3949 {
3950 	return db[0] >> 5;
3951 }
3952 
3953 static int
3954 cea_revision(const u8 *cea)
3955 {
3956 	return cea[1];
3957 }
3958 
3959 static int
3960 cea_db_offsets(const u8 *cea, int *start, int *end)
3961 {
3962 	/* DisplayID CTA extension blocks and top-level CEA EDID
3963 	 * block header definitions differ in the following bytes:
3964 	 *   1) Byte 2 of the header specifies length differently,
3965 	 *   2) Byte 3 is only present in the CEA top level block.
3966 	 *
3967 	 * The different definitions for byte 2 follow.
3968 	 *
3969 	 * DisplayID CTA extension block defines byte 2 as:
3970 	 *   Number of payload bytes
3971 	 *
3972 	 * CEA EDID block defines byte 2 as:
3973 	 *   Byte number (decimal) within this block where the 18-byte
3974 	 *   DTDs begin. If no non-DTD data is present in this extension
3975 	 *   block, the value should be set to 04h (the byte after next).
3976 	 *   If set to 00h, there are no DTDs present in this block and
3977 	 *   no non-DTD data.
3978 	 */
3979 	if (cea[0] == DATA_BLOCK_CTA) {
3980 		*start = 3;
3981 		*end = *start + cea[2];
3982 	} else if (cea[0] == CEA_EXT) {
3983 		/* Data block offset in CEA extension block */
3984 		*start = 4;
3985 		*end = cea[2];
3986 		if (*end == 0)
3987 			*end = 127;
3988 		if (*end < 4 || *end > 127)
3989 			return -ERANGE;
3990 	} else {
3991 		return -EOPNOTSUPP;
3992 	}
3993 
3994 	return 0;
3995 }
3996 
3997 static bool cea_db_is_hdmi_vsdb(const u8 *db)
3998 {
3999 	int hdmi_id;
4000 
4001 	if (cea_db_tag(db) != VENDOR_BLOCK)
4002 		return false;
4003 
4004 	if (cea_db_payload_len(db) < 5)
4005 		return false;
4006 
4007 	hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16);
4008 
4009 	return hdmi_id == HDMI_IEEE_OUI;
4010 }
4011 
4012 static bool cea_db_is_hdmi_forum_vsdb(const u8 *db)
4013 {
4014 	unsigned int oui;
4015 
4016 	if (cea_db_tag(db) != VENDOR_BLOCK)
4017 		return false;
4018 
4019 	if (cea_db_payload_len(db) < 7)
4020 		return false;
4021 
4022 	oui = db[3] << 16 | db[2] << 8 | db[1];
4023 
4024 	return oui == HDMI_FORUM_IEEE_OUI;
4025 }
4026 
4027 static bool cea_db_is_vcdb(const u8 *db)
4028 {
4029 	if (cea_db_tag(db) != USE_EXTENDED_TAG)
4030 		return false;
4031 
4032 	if (cea_db_payload_len(db) != 2)
4033 		return false;
4034 
4035 	if (cea_db_extended_tag(db) != EXT_VIDEO_CAPABILITY_BLOCK)
4036 		return false;
4037 
4038 	return true;
4039 }
4040 
4041 static bool cea_db_is_y420cmdb(const u8 *db)
4042 {
4043 	if (cea_db_tag(db) != USE_EXTENDED_TAG)
4044 		return false;
4045 
4046 	if (!cea_db_payload_len(db))
4047 		return false;
4048 
4049 	if (cea_db_extended_tag(db) != EXT_VIDEO_CAP_BLOCK_Y420CMDB)
4050 		return false;
4051 
4052 	return true;
4053 }
4054 
4055 static bool cea_db_is_y420vdb(const u8 *db)
4056 {
4057 	if (cea_db_tag(db) != USE_EXTENDED_TAG)
4058 		return false;
4059 
4060 	if (!cea_db_payload_len(db))
4061 		return false;
4062 
4063 	if (cea_db_extended_tag(db) != EXT_VIDEO_DATA_BLOCK_420)
4064 		return false;
4065 
4066 	return true;
4067 }
4068 
4069 #define for_each_cea_db(cea, i, start, end) \
4070 	for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1)
4071 
4072 static void drm_parse_y420cmdb_bitmap(struct drm_connector *connector,
4073 				      const u8 *db)
4074 {
4075 	struct drm_display_info *info = &connector->display_info;
4076 	struct drm_hdmi_info *hdmi = &info->hdmi;
4077 	u8 map_len = cea_db_payload_len(db) - 1;
4078 	u8 count;
4079 	u64 map = 0;
4080 
4081 	if (map_len == 0) {
4082 		/* All CEA modes support ycbcr420 sampling also.*/
4083 		hdmi->y420_cmdb_map = U64_MAX;
4084 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4085 		return;
4086 	}
4087 
4088 	/*
4089 	 * This map indicates which of the existing CEA block modes
4090 	 * from VDB can support YCBCR420 output too. So if bit=0 is
4091 	 * set, first mode from VDB can support YCBCR420 output too.
4092 	 * We will parse and keep this map, before parsing VDB itself
4093 	 * to avoid going through the same block again and again.
4094 	 *
4095 	 * Spec is not clear about max possible size of this block.
4096 	 * Clamping max bitmap block size at 8 bytes. Every byte can
4097 	 * address 8 CEA modes, in this way this map can address
4098 	 * 8*8 = first 64 SVDs.
4099 	 */
4100 	if (WARN_ON_ONCE(map_len > 8))
4101 		map_len = 8;
4102 
4103 	for (count = 0; count < map_len; count++)
4104 		map |= (u64)db[2 + count] << (8 * count);
4105 
4106 	if (map)
4107 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4108 
4109 	hdmi->y420_cmdb_map = map;
4110 }
4111 
4112 static int
4113 add_cea_modes(struct drm_connector *connector, struct edid *edid)
4114 {
4115 	const u8 *cea = drm_find_cea_extension(edid);
4116 	const u8 *db, *hdmi = NULL, *video = NULL;
4117 	u8 dbl, hdmi_len, video_len = 0;
4118 	int modes = 0;
4119 
4120 	if (cea && cea_revision(cea) >= 3) {
4121 		int i, start, end;
4122 
4123 		if (cea_db_offsets(cea, &start, &end))
4124 			return 0;
4125 
4126 		for_each_cea_db(cea, i, start, end) {
4127 			db = &cea[i];
4128 			dbl = cea_db_payload_len(db);
4129 
4130 			if (cea_db_tag(db) == VIDEO_BLOCK) {
4131 				video = db + 1;
4132 				video_len = dbl;
4133 				modes += do_cea_modes(connector, video, dbl);
4134 			} else if (cea_db_is_hdmi_vsdb(db)) {
4135 				hdmi = db;
4136 				hdmi_len = dbl;
4137 			} else if (cea_db_is_y420vdb(db)) {
4138 				const u8 *vdb420 = &db[2];
4139 
4140 				/* Add 4:2:0(only) modes present in EDID */
4141 				modes += do_y420vdb_modes(connector,
4142 							  vdb420,
4143 							  dbl - 1);
4144 			}
4145 		}
4146 	}
4147 
4148 	/*
4149 	 * We parse the HDMI VSDB after having added the cea modes as we will
4150 	 * be patching their flags when the sink supports stereo 3D.
4151 	 */
4152 	if (hdmi)
4153 		modes += do_hdmi_vsdb_modes(connector, hdmi, hdmi_len, video,
4154 					    video_len);
4155 
4156 	return modes;
4157 }
4158 
4159 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode)
4160 {
4161 	const struct drm_display_mode *cea_mode;
4162 	int clock1, clock2, clock;
4163 	u8 vic;
4164 	const char *type;
4165 
4166 	/*
4167 	 * allow 5kHz clock difference either way to account for
4168 	 * the 10kHz clock resolution limit of detailed timings.
4169 	 */
4170 	vic = drm_match_cea_mode_clock_tolerance(mode, 5);
4171 	if (drm_valid_cea_vic(vic)) {
4172 		type = "CEA";
4173 		cea_mode = cea_mode_for_vic(vic);
4174 		clock1 = cea_mode->clock;
4175 		clock2 = cea_mode_alternate_clock(cea_mode);
4176 	} else {
4177 		vic = drm_match_hdmi_mode_clock_tolerance(mode, 5);
4178 		if (drm_valid_hdmi_vic(vic)) {
4179 			type = "HDMI";
4180 			cea_mode = &edid_4k_modes[vic];
4181 			clock1 = cea_mode->clock;
4182 			clock2 = hdmi_mode_alternate_clock(cea_mode);
4183 		} else {
4184 			return;
4185 		}
4186 	}
4187 
4188 	/* pick whichever is closest */
4189 	if (abs(mode->clock - clock1) < abs(mode->clock - clock2))
4190 		clock = clock1;
4191 	else
4192 		clock = clock2;
4193 
4194 	if (mode->clock == clock)
4195 		return;
4196 
4197 	DRM_DEBUG("detailed mode matches %s VIC %d, adjusting clock %d -> %d\n",
4198 		  type, vic, mode->clock, clock);
4199 	mode->clock = clock;
4200 }
4201 
4202 static bool cea_db_is_hdmi_hdr_metadata_block(const u8 *db)
4203 {
4204 	if (cea_db_tag(db) != USE_EXTENDED_TAG)
4205 		return false;
4206 
4207 	if (db[1] != HDR_STATIC_METADATA_BLOCK)
4208 		return false;
4209 
4210 	if (cea_db_payload_len(db) < 3)
4211 		return false;
4212 
4213 	return true;
4214 }
4215 
4216 static uint8_t eotf_supported(const u8 *edid_ext)
4217 {
4218 	return edid_ext[2] &
4219 		(BIT(HDMI_EOTF_TRADITIONAL_GAMMA_SDR) |
4220 		 BIT(HDMI_EOTF_TRADITIONAL_GAMMA_HDR) |
4221 		 BIT(HDMI_EOTF_SMPTE_ST2084) |
4222 		 BIT(HDMI_EOTF_BT_2100_HLG));
4223 }
4224 
4225 static uint8_t hdr_metadata_type(const u8 *edid_ext)
4226 {
4227 	return edid_ext[3] &
4228 		BIT(HDMI_STATIC_METADATA_TYPE1);
4229 }
4230 
4231 static void
4232 drm_parse_hdr_metadata_block(struct drm_connector *connector, const u8 *db)
4233 {
4234 	u16 len;
4235 
4236 	len = cea_db_payload_len(db);
4237 
4238 	connector->hdr_sink_metadata.hdmi_type1.eotf =
4239 						eotf_supported(db);
4240 	connector->hdr_sink_metadata.hdmi_type1.metadata_type =
4241 						hdr_metadata_type(db);
4242 
4243 	if (len >= 4)
4244 		connector->hdr_sink_metadata.hdmi_type1.max_cll = db[4];
4245 	if (len >= 5)
4246 		connector->hdr_sink_metadata.hdmi_type1.max_fall = db[5];
4247 	if (len >= 6)
4248 		connector->hdr_sink_metadata.hdmi_type1.min_cll = db[6];
4249 }
4250 
4251 static void
4252 drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db)
4253 {
4254 	u8 len = cea_db_payload_len(db);
4255 
4256 	if (len >= 6 && (db[6] & (1 << 7)))
4257 		connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI;
4258 	if (len >= 8) {
4259 		connector->latency_present[0] = db[8] >> 7;
4260 		connector->latency_present[1] = (db[8] >> 6) & 1;
4261 	}
4262 	if (len >= 9)
4263 		connector->video_latency[0] = db[9];
4264 	if (len >= 10)
4265 		connector->audio_latency[0] = db[10];
4266 	if (len >= 11)
4267 		connector->video_latency[1] = db[11];
4268 	if (len >= 12)
4269 		connector->audio_latency[1] = db[12];
4270 
4271 	DRM_DEBUG_KMS("HDMI: latency present %d %d, "
4272 		      "video latency %d %d, "
4273 		      "audio latency %d %d\n",
4274 		      connector->latency_present[0],
4275 		      connector->latency_present[1],
4276 		      connector->video_latency[0],
4277 		      connector->video_latency[1],
4278 		      connector->audio_latency[0],
4279 		      connector->audio_latency[1]);
4280 }
4281 
4282 static void
4283 monitor_name(struct detailed_timing *t, void *data)
4284 {
4285 	if (t->data.other_data.type == EDID_DETAIL_MONITOR_NAME)
4286 		*(u8 **)data = t->data.other_data.data.str.str;
4287 }
4288 
4289 static int get_monitor_name(struct edid *edid, char name[13])
4290 {
4291 	char *edid_name = NULL;
4292 	int mnl;
4293 
4294 	if (!edid || !name)
4295 		return 0;
4296 
4297 	drm_for_each_detailed_block((u8 *)edid, monitor_name, &edid_name);
4298 	for (mnl = 0; edid_name && mnl < 13; mnl++) {
4299 		if (edid_name[mnl] == 0x0a)
4300 			break;
4301 
4302 		name[mnl] = edid_name[mnl];
4303 	}
4304 
4305 	return mnl;
4306 }
4307 
4308 /**
4309  * drm_edid_get_monitor_name - fetch the monitor name from the edid
4310  * @edid: monitor EDID information
4311  * @name: pointer to a character array to hold the name of the monitor
4312  * @bufsize: The size of the name buffer (should be at least 14 chars.)
4313  *
4314  */
4315 void drm_edid_get_monitor_name(struct edid *edid, char *name, int bufsize)
4316 {
4317 	int name_length;
4318 	char buf[13];
4319 
4320 	if (bufsize <= 0)
4321 		return;
4322 
4323 	name_length = min(get_monitor_name(edid, buf), bufsize - 1);
4324 	memcpy(name, buf, name_length);
4325 	name[name_length] = '\0';
4326 }
4327 EXPORT_SYMBOL(drm_edid_get_monitor_name);
4328 
4329 static void clear_eld(struct drm_connector *connector)
4330 {
4331 	memset(connector->eld, 0, sizeof(connector->eld));
4332 
4333 	connector->latency_present[0] = false;
4334 	connector->latency_present[1] = false;
4335 	connector->video_latency[0] = 0;
4336 	connector->audio_latency[0] = 0;
4337 	connector->video_latency[1] = 0;
4338 	connector->audio_latency[1] = 0;
4339 }
4340 
4341 /*
4342  * drm_edid_to_eld - build ELD from EDID
4343  * @connector: connector corresponding to the HDMI/DP sink
4344  * @edid: EDID to parse
4345  *
4346  * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
4347  * HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
4348  */
4349 static void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
4350 {
4351 	uint8_t *eld = connector->eld;
4352 	u8 *cea;
4353 	u8 *db;
4354 	int total_sad_count = 0;
4355 	int mnl;
4356 	int dbl;
4357 
4358 	clear_eld(connector);
4359 
4360 	if (!edid)
4361 		return;
4362 
4363 	cea = drm_find_cea_extension(edid);
4364 	if (!cea) {
4365 		DRM_DEBUG_KMS("ELD: no CEA Extension found\n");
4366 		return;
4367 	}
4368 
4369 	mnl = get_monitor_name(edid, &eld[DRM_ELD_MONITOR_NAME_STRING]);
4370 	DRM_DEBUG_KMS("ELD monitor %s\n", &eld[DRM_ELD_MONITOR_NAME_STRING]);
4371 
4372 	eld[DRM_ELD_CEA_EDID_VER_MNL] = cea[1] << DRM_ELD_CEA_EDID_VER_SHIFT;
4373 	eld[DRM_ELD_CEA_EDID_VER_MNL] |= mnl;
4374 
4375 	eld[DRM_ELD_VER] = DRM_ELD_VER_CEA861D;
4376 
4377 	eld[DRM_ELD_MANUFACTURER_NAME0] = edid->mfg_id[0];
4378 	eld[DRM_ELD_MANUFACTURER_NAME1] = edid->mfg_id[1];
4379 	eld[DRM_ELD_PRODUCT_CODE0] = edid->prod_code[0];
4380 	eld[DRM_ELD_PRODUCT_CODE1] = edid->prod_code[1];
4381 
4382 	if (cea_revision(cea) >= 3) {
4383 		int i, start, end;
4384 
4385 		if (cea_db_offsets(cea, &start, &end)) {
4386 			start = 0;
4387 			end = 0;
4388 		}
4389 
4390 		for_each_cea_db(cea, i, start, end) {
4391 			db = &cea[i];
4392 			dbl = cea_db_payload_len(db);
4393 
4394 			switch (cea_db_tag(db)) {
4395 				int sad_count;
4396 
4397 			case AUDIO_BLOCK:
4398 				/* Audio Data Block, contains SADs */
4399 				sad_count = min(dbl / 3, 15 - total_sad_count);
4400 				if (sad_count >= 1)
4401 					memcpy(&eld[DRM_ELD_CEA_SAD(mnl, total_sad_count)],
4402 					       &db[1], sad_count * 3);
4403 				total_sad_count += sad_count;
4404 				break;
4405 			case SPEAKER_BLOCK:
4406 				/* Speaker Allocation Data Block */
4407 				if (dbl >= 1)
4408 					eld[DRM_ELD_SPEAKER] = db[1];
4409 				break;
4410 			case VENDOR_BLOCK:
4411 				/* HDMI Vendor-Specific Data Block */
4412 				if (cea_db_is_hdmi_vsdb(db))
4413 					drm_parse_hdmi_vsdb_audio(connector, db);
4414 				break;
4415 			default:
4416 				break;
4417 			}
4418 		}
4419 	}
4420 	eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= total_sad_count << DRM_ELD_SAD_COUNT_SHIFT;
4421 
4422 	if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
4423 	    connector->connector_type == DRM_MODE_CONNECTOR_eDP)
4424 		eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_DP;
4425 	else
4426 		eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_HDMI;
4427 
4428 	eld[DRM_ELD_BASELINE_ELD_LEN] =
4429 		DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4);
4430 
4431 	DRM_DEBUG_KMS("ELD size %d, SAD count %d\n",
4432 		      drm_eld_size(eld), total_sad_count);
4433 }
4434 
4435 /**
4436  * drm_edid_to_sad - extracts SADs from EDID
4437  * @edid: EDID to parse
4438  * @sads: pointer that will be set to the extracted SADs
4439  *
4440  * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it.
4441  *
4442  * Note: The returned pointer needs to be freed using kfree().
4443  *
4444  * Return: The number of found SADs or negative number on error.
4445  */
4446 int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads)
4447 {
4448 	int count = 0;
4449 	int i, start, end, dbl;
4450 	u8 *cea;
4451 
4452 	cea = drm_find_cea_extension(edid);
4453 	if (!cea) {
4454 		DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4455 		return 0;
4456 	}
4457 
4458 	if (cea_revision(cea) < 3) {
4459 		DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4460 		return 0;
4461 	}
4462 
4463 	if (cea_db_offsets(cea, &start, &end)) {
4464 		DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4465 		return -EPROTO;
4466 	}
4467 
4468 	for_each_cea_db(cea, i, start, end) {
4469 		u8 *db = &cea[i];
4470 
4471 		if (cea_db_tag(db) == AUDIO_BLOCK) {
4472 			int j;
4473 			dbl = cea_db_payload_len(db);
4474 
4475 			count = dbl / 3; /* SAD is 3B */
4476 			*sads = kcalloc(count, sizeof(**sads), GFP_KERNEL);
4477 			if (!*sads)
4478 				return -ENOMEM;
4479 			for (j = 0; j < count; j++) {
4480 				u8 *sad = &db[1 + j * 3];
4481 
4482 				(*sads)[j].format = (sad[0] & 0x78) >> 3;
4483 				(*sads)[j].channels = sad[0] & 0x7;
4484 				(*sads)[j].freq = sad[1] & 0x7F;
4485 				(*sads)[j].byte2 = sad[2];
4486 			}
4487 			break;
4488 		}
4489 	}
4490 
4491 	return count;
4492 }
4493 EXPORT_SYMBOL(drm_edid_to_sad);
4494 
4495 /**
4496  * drm_edid_to_speaker_allocation - extracts Speaker Allocation Data Blocks from EDID
4497  * @edid: EDID to parse
4498  * @sadb: pointer to the speaker block
4499  *
4500  * Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it.
4501  *
4502  * Note: The returned pointer needs to be freed using kfree().
4503  *
4504  * Return: The number of found Speaker Allocation Blocks or negative number on
4505  * error.
4506  */
4507 int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb)
4508 {
4509 	int count = 0;
4510 	int i, start, end, dbl;
4511 	const u8 *cea;
4512 
4513 	cea = drm_find_cea_extension(edid);
4514 	if (!cea) {
4515 		DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4516 		return 0;
4517 	}
4518 
4519 	if (cea_revision(cea) < 3) {
4520 		DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4521 		return 0;
4522 	}
4523 
4524 	if (cea_db_offsets(cea, &start, &end)) {
4525 		DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4526 		return -EPROTO;
4527 	}
4528 
4529 	for_each_cea_db(cea, i, start, end) {
4530 		const u8 *db = &cea[i];
4531 
4532 		if (cea_db_tag(db) == SPEAKER_BLOCK) {
4533 			dbl = cea_db_payload_len(db);
4534 
4535 			/* Speaker Allocation Data Block */
4536 			if (dbl == 3) {
4537 				*sadb = kmemdup(&db[1], dbl, GFP_KERNEL);
4538 				if (!*sadb)
4539 					return -ENOMEM;
4540 				count = dbl;
4541 				break;
4542 			}
4543 		}
4544 	}
4545 
4546 	return count;
4547 }
4548 EXPORT_SYMBOL(drm_edid_to_speaker_allocation);
4549 
4550 /**
4551  * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay
4552  * @connector: connector associated with the HDMI/DP sink
4553  * @mode: the display mode
4554  *
4555  * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if
4556  * the sink doesn't support audio or video.
4557  */
4558 int drm_av_sync_delay(struct drm_connector *connector,
4559 		      const struct drm_display_mode *mode)
4560 {
4561 	int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
4562 	int a, v;
4563 
4564 	if (!connector->latency_present[0])
4565 		return 0;
4566 	if (!connector->latency_present[1])
4567 		i = 0;
4568 
4569 	a = connector->audio_latency[i];
4570 	v = connector->video_latency[i];
4571 
4572 	/*
4573 	 * HDMI/DP sink doesn't support audio or video?
4574 	 */
4575 	if (a == 255 || v == 255)
4576 		return 0;
4577 
4578 	/*
4579 	 * Convert raw EDID values to millisecond.
4580 	 * Treat unknown latency as 0ms.
4581 	 */
4582 	if (a)
4583 		a = min(2 * (a - 1), 500);
4584 	if (v)
4585 		v = min(2 * (v - 1), 500);
4586 
4587 	return max(v - a, 0);
4588 }
4589 EXPORT_SYMBOL(drm_av_sync_delay);
4590 
4591 /**
4592  * drm_detect_hdmi_monitor - detect whether monitor is HDMI
4593  * @edid: monitor EDID information
4594  *
4595  * Parse the CEA extension according to CEA-861-B.
4596  *
4597  * Return: True if the monitor is HDMI, false if not or unknown.
4598  */
4599 bool drm_detect_hdmi_monitor(struct edid *edid)
4600 {
4601 	u8 *edid_ext;
4602 	int i;
4603 	int start_offset, end_offset;
4604 
4605 	edid_ext = drm_find_cea_extension(edid);
4606 	if (!edid_ext)
4607 		return false;
4608 
4609 	if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4610 		return false;
4611 
4612 	/*
4613 	 * Because HDMI identifier is in Vendor Specific Block,
4614 	 * search it from all data blocks of CEA extension.
4615 	 */
4616 	for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4617 		if (cea_db_is_hdmi_vsdb(&edid_ext[i]))
4618 			return true;
4619 	}
4620 
4621 	return false;
4622 }
4623 EXPORT_SYMBOL(drm_detect_hdmi_monitor);
4624 
4625 /**
4626  * drm_detect_monitor_audio - check monitor audio capability
4627  * @edid: EDID block to scan
4628  *
4629  * Monitor should have CEA extension block.
4630  * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic
4631  * audio' only. If there is any audio extension block and supported
4632  * audio format, assume at least 'basic audio' support, even if 'basic
4633  * audio' is not defined in EDID.
4634  *
4635  * Return: True if the monitor supports audio, false otherwise.
4636  */
4637 bool drm_detect_monitor_audio(struct edid *edid)
4638 {
4639 	u8 *edid_ext;
4640 	int i, j;
4641 	bool has_audio = false;
4642 	int start_offset, end_offset;
4643 
4644 	edid_ext = drm_find_cea_extension(edid);
4645 	if (!edid_ext)
4646 		goto end;
4647 
4648 	has_audio = ((edid_ext[3] & EDID_BASIC_AUDIO) != 0);
4649 
4650 	if (has_audio) {
4651 		DRM_DEBUG_KMS("Monitor has basic audio support\n");
4652 		goto end;
4653 	}
4654 
4655 	if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4656 		goto end;
4657 
4658 	for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4659 		if (cea_db_tag(&edid_ext[i]) == AUDIO_BLOCK) {
4660 			has_audio = true;
4661 			for (j = 1; j < cea_db_payload_len(&edid_ext[i]) + 1; j += 3)
4662 				DRM_DEBUG_KMS("CEA audio format %d\n",
4663 					      (edid_ext[i + j] >> 3) & 0xf);
4664 			goto end;
4665 		}
4666 	}
4667 end:
4668 	return has_audio;
4669 }
4670 EXPORT_SYMBOL(drm_detect_monitor_audio);
4671 
4672 
4673 /**
4674  * drm_default_rgb_quant_range - default RGB quantization range
4675  * @mode: display mode
4676  *
4677  * Determine the default RGB quantization range for the mode,
4678  * as specified in CEA-861.
4679  *
4680  * Return: The default RGB quantization range for the mode
4681  */
4682 enum hdmi_quantization_range
4683 drm_default_rgb_quant_range(const struct drm_display_mode *mode)
4684 {
4685 	/* All CEA modes other than VIC 1 use limited quantization range. */
4686 	return drm_match_cea_mode(mode) > 1 ?
4687 		HDMI_QUANTIZATION_RANGE_LIMITED :
4688 		HDMI_QUANTIZATION_RANGE_FULL;
4689 }
4690 EXPORT_SYMBOL(drm_default_rgb_quant_range);
4691 
4692 static void drm_parse_vcdb(struct drm_connector *connector, const u8 *db)
4693 {
4694 	struct drm_display_info *info = &connector->display_info;
4695 
4696 	DRM_DEBUG_KMS("CEA VCDB 0x%02x\n", db[2]);
4697 
4698 	if (db[2] & EDID_CEA_VCDB_QS)
4699 		info->rgb_quant_range_selectable = true;
4700 }
4701 
4702 static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector,
4703 					       const u8 *db)
4704 {
4705 	u8 dc_mask;
4706 	struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
4707 
4708 	dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK;
4709 	hdmi->y420_dc_modes = dc_mask;
4710 }
4711 
4712 static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector,
4713 				 const u8 *hf_vsdb)
4714 {
4715 	struct drm_display_info *display = &connector->display_info;
4716 	struct drm_hdmi_info *hdmi = &display->hdmi;
4717 
4718 	display->has_hdmi_infoframe = true;
4719 
4720 	if (hf_vsdb[6] & 0x80) {
4721 		hdmi->scdc.supported = true;
4722 		if (hf_vsdb[6] & 0x40)
4723 			hdmi->scdc.read_request = true;
4724 	}
4725 
4726 	/*
4727 	 * All HDMI 2.0 monitors must support scrambling at rates > 340 MHz.
4728 	 * And as per the spec, three factors confirm this:
4729 	 * * Availability of a HF-VSDB block in EDID (check)
4730 	 * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check)
4731 	 * * SCDC support available (let's check)
4732 	 * Lets check it out.
4733 	 */
4734 
4735 	if (hf_vsdb[5]) {
4736 		/* max clock is 5000 KHz times block value */
4737 		u32 max_tmds_clock = hf_vsdb[5] * 5000;
4738 		struct drm_scdc *scdc = &hdmi->scdc;
4739 
4740 		if (max_tmds_clock > 340000) {
4741 			display->max_tmds_clock = max_tmds_clock;
4742 			DRM_DEBUG_KMS("HF-VSDB: max TMDS clock %d kHz\n",
4743 				display->max_tmds_clock);
4744 		}
4745 
4746 		if (scdc->supported) {
4747 			scdc->scrambling.supported = true;
4748 
4749 			/* Few sinks support scrambling for clocks < 340M */
4750 			if ((hf_vsdb[6] & 0x8))
4751 				scdc->scrambling.low_rates = true;
4752 		}
4753 	}
4754 
4755 	drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb);
4756 }
4757 
4758 static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector,
4759 					   const u8 *hdmi)
4760 {
4761 	struct drm_display_info *info = &connector->display_info;
4762 	unsigned int dc_bpc = 0;
4763 
4764 	/* HDMI supports at least 8 bpc */
4765 	info->bpc = 8;
4766 
4767 	if (cea_db_payload_len(hdmi) < 6)
4768 		return;
4769 
4770 	if (hdmi[6] & DRM_EDID_HDMI_DC_30) {
4771 		dc_bpc = 10;
4772 		info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_30;
4773 		DRM_DEBUG("%s: HDMI sink does deep color 30.\n",
4774 			  connector->name);
4775 	}
4776 
4777 	if (hdmi[6] & DRM_EDID_HDMI_DC_36) {
4778 		dc_bpc = 12;
4779 		info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_36;
4780 		DRM_DEBUG("%s: HDMI sink does deep color 36.\n",
4781 			  connector->name);
4782 	}
4783 
4784 	if (hdmi[6] & DRM_EDID_HDMI_DC_48) {
4785 		dc_bpc = 16;
4786 		info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_48;
4787 		DRM_DEBUG("%s: HDMI sink does deep color 48.\n",
4788 			  connector->name);
4789 	}
4790 
4791 	if (dc_bpc == 0) {
4792 		DRM_DEBUG("%s: No deep color support on this HDMI sink.\n",
4793 			  connector->name);
4794 		return;
4795 	}
4796 
4797 	DRM_DEBUG("%s: Assigning HDMI sink color depth as %d bpc.\n",
4798 		  connector->name, dc_bpc);
4799 	info->bpc = dc_bpc;
4800 
4801 	/*
4802 	 * Deep color support mandates RGB444 support for all video
4803 	 * modes and forbids YCRCB422 support for all video modes per
4804 	 * HDMI 1.3 spec.
4805 	 */
4806 	info->color_formats = DRM_COLOR_FORMAT_RGB444;
4807 
4808 	/* YCRCB444 is optional according to spec. */
4809 	if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) {
4810 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
4811 		DRM_DEBUG("%s: HDMI sink does YCRCB444 in deep color.\n",
4812 			  connector->name);
4813 	}
4814 
4815 	/*
4816 	 * Spec says that if any deep color mode is supported at all,
4817 	 * then deep color 36 bit must be supported.
4818 	 */
4819 	if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) {
4820 		DRM_DEBUG("%s: HDMI sink should do DC_36, but does not!\n",
4821 			  connector->name);
4822 	}
4823 }
4824 
4825 static void
4826 drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db)
4827 {
4828 	struct drm_display_info *info = &connector->display_info;
4829 	u8 len = cea_db_payload_len(db);
4830 
4831 	if (len >= 6)
4832 		info->dvi_dual = db[6] & 1;
4833 	if (len >= 7)
4834 		info->max_tmds_clock = db[7] * 5000;
4835 
4836 	DRM_DEBUG_KMS("HDMI: DVI dual %d, "
4837 		      "max TMDS clock %d kHz\n",
4838 		      info->dvi_dual,
4839 		      info->max_tmds_clock);
4840 
4841 	drm_parse_hdmi_deep_color_info(connector, db);
4842 }
4843 
4844 static void drm_parse_cea_ext(struct drm_connector *connector,
4845 			      const struct edid *edid)
4846 {
4847 	struct drm_display_info *info = &connector->display_info;
4848 	const u8 *edid_ext;
4849 	int i, start, end;
4850 
4851 	edid_ext = drm_find_cea_extension(edid);
4852 	if (!edid_ext)
4853 		return;
4854 
4855 	info->cea_rev = edid_ext[1];
4856 
4857 	/* The existence of a CEA block should imply RGB support */
4858 	info->color_formats = DRM_COLOR_FORMAT_RGB444;
4859 	if (edid_ext[3] & EDID_CEA_YCRCB444)
4860 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
4861 	if (edid_ext[3] & EDID_CEA_YCRCB422)
4862 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
4863 
4864 	if (cea_db_offsets(edid_ext, &start, &end))
4865 		return;
4866 
4867 	for_each_cea_db(edid_ext, i, start, end) {
4868 		const u8 *db = &edid_ext[i];
4869 
4870 		if (cea_db_is_hdmi_vsdb(db))
4871 			drm_parse_hdmi_vsdb_video(connector, db);
4872 		if (cea_db_is_hdmi_forum_vsdb(db))
4873 			drm_parse_hdmi_forum_vsdb(connector, db);
4874 		if (cea_db_is_y420cmdb(db))
4875 			drm_parse_y420cmdb_bitmap(connector, db);
4876 		if (cea_db_is_vcdb(db))
4877 			drm_parse_vcdb(connector, db);
4878 		if (cea_db_is_hdmi_hdr_metadata_block(db))
4879 			drm_parse_hdr_metadata_block(connector, db);
4880 	}
4881 }
4882 
4883 /* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset
4884  * all of the values which would have been set from EDID
4885  */
4886 void
4887 drm_reset_display_info(struct drm_connector *connector)
4888 {
4889 	struct drm_display_info *info = &connector->display_info;
4890 
4891 	info->width_mm = 0;
4892 	info->height_mm = 0;
4893 
4894 	info->bpc = 0;
4895 	info->color_formats = 0;
4896 	info->cea_rev = 0;
4897 	info->max_tmds_clock = 0;
4898 	info->dvi_dual = false;
4899 	info->has_hdmi_infoframe = false;
4900 	info->rgb_quant_range_selectable = false;
4901 	memset(&info->hdmi, 0, sizeof(info->hdmi));
4902 
4903 	info->non_desktop = 0;
4904 }
4905 
4906 u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid)
4907 {
4908 	struct drm_display_info *info = &connector->display_info;
4909 
4910 	u32 quirks = edid_get_quirks(edid);
4911 
4912 	drm_reset_display_info(connector);
4913 
4914 	info->width_mm = edid->width_cm * 10;
4915 	info->height_mm = edid->height_cm * 10;
4916 
4917 	info->non_desktop = !!(quirks & EDID_QUIRK_NON_DESKTOP);
4918 
4919 	DRM_DEBUG_KMS("non_desktop set to %d\n", info->non_desktop);
4920 
4921 	if (edid->revision < 3)
4922 		return quirks;
4923 
4924 	if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
4925 		return quirks;
4926 
4927 	drm_parse_cea_ext(connector, edid);
4928 
4929 	/*
4930 	 * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3?
4931 	 *
4932 	 * For such displays, the DFP spec 1.0, section 3.10 "EDID support"
4933 	 * tells us to assume 8 bpc color depth if the EDID doesn't have
4934 	 * extensions which tell otherwise.
4935 	 */
4936 	if (info->bpc == 0 && edid->revision == 3 &&
4937 	    edid->input & DRM_EDID_DIGITAL_DFP_1_X) {
4938 		info->bpc = 8;
4939 		DRM_DEBUG("%s: Assigning DFP sink color depth as %d bpc.\n",
4940 			  connector->name, info->bpc);
4941 	}
4942 
4943 	/* Only defined for 1.4 with digital displays */
4944 	if (edid->revision < 4)
4945 		return quirks;
4946 
4947 	switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {
4948 	case DRM_EDID_DIGITAL_DEPTH_6:
4949 		info->bpc = 6;
4950 		break;
4951 	case DRM_EDID_DIGITAL_DEPTH_8:
4952 		info->bpc = 8;
4953 		break;
4954 	case DRM_EDID_DIGITAL_DEPTH_10:
4955 		info->bpc = 10;
4956 		break;
4957 	case DRM_EDID_DIGITAL_DEPTH_12:
4958 		info->bpc = 12;
4959 		break;
4960 	case DRM_EDID_DIGITAL_DEPTH_14:
4961 		info->bpc = 14;
4962 		break;
4963 	case DRM_EDID_DIGITAL_DEPTH_16:
4964 		info->bpc = 16;
4965 		break;
4966 	case DRM_EDID_DIGITAL_DEPTH_UNDEF:
4967 	default:
4968 		info->bpc = 0;
4969 		break;
4970 	}
4971 
4972 	DRM_DEBUG("%s: Assigning EDID-1.4 digital sink color depth as %d bpc.\n",
4973 			  connector->name, info->bpc);
4974 
4975 	info->color_formats |= DRM_COLOR_FORMAT_RGB444;
4976 	if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)
4977 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
4978 	if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)
4979 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
4980 	return quirks;
4981 }
4982 
4983 static int validate_displayid(u8 *displayid, int length, int idx)
4984 {
4985 	int i;
4986 	u8 csum = 0;
4987 	struct displayid_hdr *base;
4988 
4989 	base = (struct displayid_hdr *)&displayid[idx];
4990 
4991 	DRM_DEBUG_KMS("base revision 0x%x, length %d, %d %d\n",
4992 		      base->rev, base->bytes, base->prod_id, base->ext_count);
4993 
4994 	if (base->bytes + 5 > length - idx)
4995 		return -EINVAL;
4996 	for (i = idx; i <= base->bytes + 5; i++) {
4997 		csum += displayid[i];
4998 	}
4999 	if (csum) {
5000 		DRM_NOTE("DisplayID checksum invalid, remainder is %d\n", csum);
5001 		return -EINVAL;
5002 	}
5003 	return 0;
5004 }
5005 
5006 static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev,
5007 							    struct displayid_detailed_timings_1 *timings)
5008 {
5009 	struct drm_display_mode *mode;
5010 	unsigned pixel_clock = (timings->pixel_clock[0] |
5011 				(timings->pixel_clock[1] << 8) |
5012 				(timings->pixel_clock[2] << 16));
5013 	unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;
5014 	unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;
5015 	unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1;
5016 	unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1;
5017 	unsigned vactive = (timings->vactive[0] | timings->vactive[1] << 8) + 1;
5018 	unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1;
5019 	unsigned vsync = (timings->vsync[0] | (timings->vsync[1] & 0x7f) << 8) + 1;
5020 	unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1;
5021 	bool hsync_positive = (timings->hsync[1] >> 7) & 0x1;
5022 	bool vsync_positive = (timings->vsync[1] >> 7) & 0x1;
5023 	mode = drm_mode_create(dev);
5024 	if (!mode)
5025 		return NULL;
5026 
5027 	mode->clock = pixel_clock * 10;
5028 	mode->hdisplay = hactive;
5029 	mode->hsync_start = mode->hdisplay + hsync;
5030 	mode->hsync_end = mode->hsync_start + hsync_width;
5031 	mode->htotal = mode->hdisplay + hblank;
5032 
5033 	mode->vdisplay = vactive;
5034 	mode->vsync_start = mode->vdisplay + vsync;
5035 	mode->vsync_end = mode->vsync_start + vsync_width;
5036 	mode->vtotal = mode->vdisplay + vblank;
5037 
5038 	mode->flags = 0;
5039 	mode->flags |= hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
5040 	mode->flags |= vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
5041 	mode->type = DRM_MODE_TYPE_DRIVER;
5042 
5043 	if (timings->flags & 0x80)
5044 		mode->type |= DRM_MODE_TYPE_PREFERRED;
5045 	mode->vrefresh = drm_mode_vrefresh(mode);
5046 	drm_mode_set_name(mode);
5047 
5048 	return mode;
5049 }
5050 
5051 static int add_displayid_detailed_1_modes(struct drm_connector *connector,
5052 					  struct displayid_block *block)
5053 {
5054 	struct displayid_detailed_timing_block *det = (struct displayid_detailed_timing_block *)block;
5055 	int i;
5056 	int num_timings;
5057 	struct drm_display_mode *newmode;
5058 	int num_modes = 0;
5059 	/* blocks must be multiple of 20 bytes length */
5060 	if (block->num_bytes % 20)
5061 		return 0;
5062 
5063 	num_timings = block->num_bytes / 20;
5064 	for (i = 0; i < num_timings; i++) {
5065 		struct displayid_detailed_timings_1 *timings = &det->timings[i];
5066 
5067 		newmode = drm_mode_displayid_detailed(connector->dev, timings);
5068 		if (!newmode)
5069 			continue;
5070 
5071 		drm_mode_probed_add(connector, newmode);
5072 		num_modes++;
5073 	}
5074 	return num_modes;
5075 }
5076 
5077 static int add_displayid_detailed_modes(struct drm_connector *connector,
5078 					struct edid *edid)
5079 {
5080 	u8 *displayid;
5081 	int ret;
5082 	int idx = 1;
5083 	int length = EDID_LENGTH;
5084 	struct displayid_block *block;
5085 	int num_modes = 0;
5086 
5087 	displayid = drm_find_displayid_extension(edid);
5088 	if (!displayid)
5089 		return 0;
5090 
5091 	ret = validate_displayid(displayid, length, idx);
5092 	if (ret)
5093 		return 0;
5094 
5095 	idx += sizeof(struct displayid_hdr);
5096 	for_each_displayid_db(displayid, block, idx, length) {
5097 		switch (block->tag) {
5098 		case DATA_BLOCK_TYPE_1_DETAILED_TIMING:
5099 			num_modes += add_displayid_detailed_1_modes(connector, block);
5100 			break;
5101 		}
5102 	}
5103 	return num_modes;
5104 }
5105 
5106 /**
5107  * drm_add_edid_modes - add modes from EDID data, if available
5108  * @connector: connector we're probing
5109  * @edid: EDID data
5110  *
5111  * Add the specified modes to the connector's mode list. Also fills out the
5112  * &drm_display_info structure and ELD in @connector with any information which
5113  * can be derived from the edid.
5114  *
5115  * Return: The number of modes added or 0 if we couldn't find any.
5116  */
5117 int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
5118 {
5119 	int num_modes = 0;
5120 	u32 quirks;
5121 
5122 	if (edid == NULL) {
5123 		clear_eld(connector);
5124 		return 0;
5125 	}
5126 	if (!drm_edid_is_valid(edid)) {
5127 		clear_eld(connector);
5128 		dev_warn(connector->dev->dev, "%s: EDID invalid.\n",
5129 			 connector->name);
5130 		return 0;
5131 	}
5132 
5133 	drm_edid_to_eld(connector, edid);
5134 
5135 	/*
5136 	 * CEA-861-F adds ycbcr capability map block, for HDMI 2.0 sinks.
5137 	 * To avoid multiple parsing of same block, lets parse that map
5138 	 * from sink info, before parsing CEA modes.
5139 	 */
5140 	quirks = drm_add_display_info(connector, edid);
5141 
5142 	/*
5143 	 * EDID spec says modes should be preferred in this order:
5144 	 * - preferred detailed mode
5145 	 * - other detailed modes from base block
5146 	 * - detailed modes from extension blocks
5147 	 * - CVT 3-byte code modes
5148 	 * - standard timing codes
5149 	 * - established timing codes
5150 	 * - modes inferred from GTF or CVT range information
5151 	 *
5152 	 * We get this pretty much right.
5153 	 *
5154 	 * XXX order for additional mode types in extension blocks?
5155 	 */
5156 	num_modes += add_detailed_modes(connector, edid, quirks);
5157 	num_modes += add_cvt_modes(connector, edid);
5158 	num_modes += add_standard_modes(connector, edid);
5159 	num_modes += add_established_modes(connector, edid);
5160 	num_modes += add_cea_modes(connector, edid);
5161 	num_modes += add_alternate_cea_modes(connector, edid);
5162 	num_modes += add_displayid_detailed_modes(connector, edid);
5163 	if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
5164 		num_modes += add_inferred_modes(connector, edid);
5165 
5166 	if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
5167 		edid_fixup_preferred(connector, quirks);
5168 
5169 	if (quirks & EDID_QUIRK_FORCE_6BPC)
5170 		connector->display_info.bpc = 6;
5171 
5172 	if (quirks & EDID_QUIRK_FORCE_8BPC)
5173 		connector->display_info.bpc = 8;
5174 
5175 	if (quirks & EDID_QUIRK_FORCE_10BPC)
5176 		connector->display_info.bpc = 10;
5177 
5178 	if (quirks & EDID_QUIRK_FORCE_12BPC)
5179 		connector->display_info.bpc = 12;
5180 
5181 	return num_modes;
5182 }
5183 EXPORT_SYMBOL(drm_add_edid_modes);
5184 
5185 /**
5186  * drm_add_modes_noedid - add modes for the connectors without EDID
5187  * @connector: connector we're probing
5188  * @hdisplay: the horizontal display limit
5189  * @vdisplay: the vertical display limit
5190  *
5191  * Add the specified modes to the connector's mode list. Only when the
5192  * hdisplay/vdisplay is not beyond the given limit, it will be added.
5193  *
5194  * Return: The number of modes added or 0 if we couldn't find any.
5195  */
5196 int drm_add_modes_noedid(struct drm_connector *connector,
5197 			int hdisplay, int vdisplay)
5198 {
5199 	int i, count, num_modes = 0;
5200 	struct drm_display_mode *mode;
5201 	struct drm_device *dev = connector->dev;
5202 
5203 	count = ARRAY_SIZE(drm_dmt_modes);
5204 	if (hdisplay < 0)
5205 		hdisplay = 0;
5206 	if (vdisplay < 0)
5207 		vdisplay = 0;
5208 
5209 	for (i = 0; i < count; i++) {
5210 		const struct drm_display_mode *ptr = &drm_dmt_modes[i];
5211 		if (hdisplay && vdisplay) {
5212 			/*
5213 			 * Only when two are valid, they will be used to check
5214 			 * whether the mode should be added to the mode list of
5215 			 * the connector.
5216 			 */
5217 			if (ptr->hdisplay > hdisplay ||
5218 					ptr->vdisplay > vdisplay)
5219 				continue;
5220 		}
5221 		if (drm_mode_vrefresh(ptr) > 61)
5222 			continue;
5223 		mode = drm_mode_duplicate(dev, ptr);
5224 		if (mode) {
5225 			drm_mode_probed_add(connector, mode);
5226 			num_modes++;
5227 		}
5228 	}
5229 	return num_modes;
5230 }
5231 EXPORT_SYMBOL(drm_add_modes_noedid);
5232 
5233 /**
5234  * drm_set_preferred_mode - Sets the preferred mode of a connector
5235  * @connector: connector whose mode list should be processed
5236  * @hpref: horizontal resolution of preferred mode
5237  * @vpref: vertical resolution of preferred mode
5238  *
5239  * Marks a mode as preferred if it matches the resolution specified by @hpref
5240  * and @vpref.
5241  */
5242 void drm_set_preferred_mode(struct drm_connector *connector,
5243 			   int hpref, int vpref)
5244 {
5245 	struct drm_display_mode *mode;
5246 
5247 	list_for_each_entry(mode, &connector->probed_modes, head) {
5248 		if (mode->hdisplay == hpref &&
5249 		    mode->vdisplay == vpref)
5250 			mode->type |= DRM_MODE_TYPE_PREFERRED;
5251 	}
5252 }
5253 EXPORT_SYMBOL(drm_set_preferred_mode);
5254 
5255 static bool is_hdmi2_sink(struct drm_connector *connector)
5256 {
5257 	/*
5258 	 * FIXME: sil-sii8620 doesn't have a connector around when
5259 	 * we need one, so we have to be prepared for a NULL connector.
5260 	 */
5261 	if (!connector)
5262 		return true;
5263 
5264 	return connector->display_info.hdmi.scdc.supported ||
5265 		connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB420;
5266 }
5267 
5268 static inline bool is_eotf_supported(u8 output_eotf, u8 sink_eotf)
5269 {
5270 	return sink_eotf & BIT(output_eotf);
5271 }
5272 
5273 /**
5274  * drm_hdmi_infoframe_set_hdr_metadata() - fill an HDMI DRM infoframe with
5275  *                                         HDR metadata from userspace
5276  * @frame: HDMI DRM infoframe
5277  * @conn_state: Connector state containing HDR metadata
5278  *
5279  * Return: 0 on success or a negative error code on failure.
5280  */
5281 int
5282 drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
5283 				    const struct drm_connector_state *conn_state)
5284 {
5285 	struct drm_connector *connector;
5286 	struct hdr_output_metadata *hdr_metadata;
5287 	int err;
5288 
5289 	if (!frame || !conn_state)
5290 		return -EINVAL;
5291 
5292 	connector = conn_state->connector;
5293 
5294 	if (!conn_state->hdr_output_metadata)
5295 		return -EINVAL;
5296 
5297 	hdr_metadata = conn_state->hdr_output_metadata->data;
5298 
5299 	if (!hdr_metadata || !connector)
5300 		return -EINVAL;
5301 
5302 	/* Sink EOTF is Bit map while infoframe is absolute values */
5303 	if (!is_eotf_supported(hdr_metadata->hdmi_metadata_type1.eotf,
5304 	    connector->hdr_sink_metadata.hdmi_type1.eotf)) {
5305 		DRM_DEBUG_KMS("EOTF Not Supported\n");
5306 		return -EINVAL;
5307 	}
5308 
5309 	err = hdmi_drm_infoframe_init(frame);
5310 	if (err < 0)
5311 		return err;
5312 
5313 	frame->eotf = hdr_metadata->hdmi_metadata_type1.eotf;
5314 	frame->metadata_type = hdr_metadata->hdmi_metadata_type1.metadata_type;
5315 
5316 	BUILD_BUG_ON(sizeof(frame->display_primaries) !=
5317 		     sizeof(hdr_metadata->hdmi_metadata_type1.display_primaries));
5318 	BUILD_BUG_ON(sizeof(frame->white_point) !=
5319 		     sizeof(hdr_metadata->hdmi_metadata_type1.white_point));
5320 
5321 	memcpy(&frame->display_primaries,
5322 	       &hdr_metadata->hdmi_metadata_type1.display_primaries,
5323 	       sizeof(frame->display_primaries));
5324 
5325 	memcpy(&frame->white_point,
5326 	       &hdr_metadata->hdmi_metadata_type1.white_point,
5327 	       sizeof(frame->white_point));
5328 
5329 	frame->max_display_mastering_luminance =
5330 		hdr_metadata->hdmi_metadata_type1.max_display_mastering_luminance;
5331 	frame->min_display_mastering_luminance =
5332 		hdr_metadata->hdmi_metadata_type1.min_display_mastering_luminance;
5333 	frame->max_fall = hdr_metadata->hdmi_metadata_type1.max_fall;
5334 	frame->max_cll = hdr_metadata->hdmi_metadata_type1.max_cll;
5335 
5336 	return 0;
5337 }
5338 EXPORT_SYMBOL(drm_hdmi_infoframe_set_hdr_metadata);
5339 
5340 static u8 drm_mode_hdmi_vic(struct drm_connector *connector,
5341 			    const struct drm_display_mode *mode)
5342 {
5343 	bool has_hdmi_infoframe = connector ?
5344 		connector->display_info.has_hdmi_infoframe : false;
5345 
5346 	if (!has_hdmi_infoframe)
5347 		return 0;
5348 
5349 	/* No HDMI VIC when signalling 3D video format */
5350 	if (mode->flags & DRM_MODE_FLAG_3D_MASK)
5351 		return 0;
5352 
5353 	return drm_match_hdmi_mode(mode);
5354 }
5355 
5356 static u8 drm_mode_cea_vic(struct drm_connector *connector,
5357 			   const struct drm_display_mode *mode)
5358 {
5359 	u8 vic;
5360 
5361 	/*
5362 	 * HDMI spec says if a mode is found in HDMI 1.4b 4K modes
5363 	 * we should send its VIC in vendor infoframes, else send the
5364 	 * VIC in AVI infoframes. Lets check if this mode is present in
5365 	 * HDMI 1.4b 4K modes
5366 	 */
5367 	if (drm_mode_hdmi_vic(connector, mode))
5368 		return 0;
5369 
5370 	vic = drm_match_cea_mode(mode);
5371 
5372 	/*
5373 	 * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but
5374 	 * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we
5375 	 * have to make sure we dont break HDMI 1.4 sinks.
5376 	 */
5377 	if (!is_hdmi2_sink(connector) && vic > 64)
5378 		return 0;
5379 
5380 	return vic;
5381 }
5382 
5383 /**
5384  * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with
5385  *                                              data from a DRM display mode
5386  * @frame: HDMI AVI infoframe
5387  * @connector: the connector
5388  * @mode: DRM display mode
5389  *
5390  * Return: 0 on success or a negative error code on failure.
5391  */
5392 int
5393 drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
5394 					 struct drm_connector *connector,
5395 					 const struct drm_display_mode *mode)
5396 {
5397 	enum hdmi_picture_aspect picture_aspect;
5398 	u8 vic, hdmi_vic;
5399 	int err;
5400 
5401 	if (!frame || !mode)
5402 		return -EINVAL;
5403 
5404 	err = hdmi_avi_infoframe_init(frame);
5405 	if (err < 0)
5406 		return err;
5407 
5408 	if (mode->flags & DRM_MODE_FLAG_DBLCLK)
5409 		frame->pixel_repeat = 1;
5410 
5411 	vic = drm_mode_cea_vic(connector, mode);
5412 	hdmi_vic = drm_mode_hdmi_vic(connector, mode);
5413 
5414 	frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5415 
5416 	/*
5417 	 * As some drivers don't support atomic, we can't use connector state.
5418 	 * So just initialize the frame with default values, just the same way
5419 	 * as it's done with other properties here.
5420 	 */
5421 	frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
5422 	frame->itc = 0;
5423 
5424 	/*
5425 	 * Populate picture aspect ratio from either
5426 	 * user input (if specified) or from the CEA/HDMI mode lists.
5427 	 */
5428 	picture_aspect = mode->picture_aspect_ratio;
5429 	if (picture_aspect == HDMI_PICTURE_ASPECT_NONE) {
5430 		if (vic)
5431 			picture_aspect = drm_get_cea_aspect_ratio(vic);
5432 		else if (hdmi_vic)
5433 			picture_aspect = drm_get_hdmi_aspect_ratio(hdmi_vic);
5434 	}
5435 
5436 	/*
5437 	 * The infoframe can't convey anything but none, 4:3
5438 	 * and 16:9, so if the user has asked for anything else
5439 	 * we can only satisfy it by specifying the right VIC.
5440 	 */
5441 	if (picture_aspect > HDMI_PICTURE_ASPECT_16_9) {
5442 		if (vic) {
5443 			if (picture_aspect != drm_get_cea_aspect_ratio(vic))
5444 				return -EINVAL;
5445 		} else if (hdmi_vic) {
5446 			if (picture_aspect != drm_get_hdmi_aspect_ratio(hdmi_vic))
5447 				return -EINVAL;
5448 		} else {
5449 			return -EINVAL;
5450 		}
5451 
5452 		picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5453 	}
5454 
5455 	frame->video_code = vic;
5456 	frame->picture_aspect = picture_aspect;
5457 	frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
5458 	frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
5459 
5460 	return 0;
5461 }
5462 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode);
5463 
5464 /* HDMI Colorspace Spec Definitions */
5465 #define FULL_COLORIMETRY_MASK		0x1FF
5466 #define NORMAL_COLORIMETRY_MASK		0x3
5467 #define EXTENDED_COLORIMETRY_MASK	0x7
5468 #define EXTENDED_ACE_COLORIMETRY_MASK	0xF
5469 
5470 #define C(x) ((x) << 0)
5471 #define EC(x) ((x) << 2)
5472 #define ACE(x) ((x) << 5)
5473 
5474 #define HDMI_COLORIMETRY_NO_DATA		0x0
5475 #define HDMI_COLORIMETRY_SMPTE_170M_YCC		(C(1) | EC(0) | ACE(0))
5476 #define HDMI_COLORIMETRY_BT709_YCC		(C(2) | EC(0) | ACE(0))
5477 #define HDMI_COLORIMETRY_XVYCC_601		(C(3) | EC(0) | ACE(0))
5478 #define HDMI_COLORIMETRY_XVYCC_709		(C(3) | EC(1) | ACE(0))
5479 #define HDMI_COLORIMETRY_SYCC_601		(C(3) | EC(2) | ACE(0))
5480 #define HDMI_COLORIMETRY_OPYCC_601		(C(3) | EC(3) | ACE(0))
5481 #define HDMI_COLORIMETRY_OPRGB			(C(3) | EC(4) | ACE(0))
5482 #define HDMI_COLORIMETRY_BT2020_CYCC		(C(3) | EC(5) | ACE(0))
5483 #define HDMI_COLORIMETRY_BT2020_RGB		(C(3) | EC(6) | ACE(0))
5484 #define HDMI_COLORIMETRY_BT2020_YCC		(C(3) | EC(6) | ACE(0))
5485 #define HDMI_COLORIMETRY_DCI_P3_RGB_D65		(C(3) | EC(7) | ACE(0))
5486 #define HDMI_COLORIMETRY_DCI_P3_RGB_THEATER	(C(3) | EC(7) | ACE(1))
5487 
5488 static const u32 hdmi_colorimetry_val[] = {
5489 	[DRM_MODE_COLORIMETRY_NO_DATA] = HDMI_COLORIMETRY_NO_DATA,
5490 	[DRM_MODE_COLORIMETRY_SMPTE_170M_YCC] = HDMI_COLORIMETRY_SMPTE_170M_YCC,
5491 	[DRM_MODE_COLORIMETRY_BT709_YCC] = HDMI_COLORIMETRY_BT709_YCC,
5492 	[DRM_MODE_COLORIMETRY_XVYCC_601] = HDMI_COLORIMETRY_XVYCC_601,
5493 	[DRM_MODE_COLORIMETRY_XVYCC_709] = HDMI_COLORIMETRY_XVYCC_709,
5494 	[DRM_MODE_COLORIMETRY_SYCC_601] = HDMI_COLORIMETRY_SYCC_601,
5495 	[DRM_MODE_COLORIMETRY_OPYCC_601] = HDMI_COLORIMETRY_OPYCC_601,
5496 	[DRM_MODE_COLORIMETRY_OPRGB] = HDMI_COLORIMETRY_OPRGB,
5497 	[DRM_MODE_COLORIMETRY_BT2020_CYCC] = HDMI_COLORIMETRY_BT2020_CYCC,
5498 	[DRM_MODE_COLORIMETRY_BT2020_RGB] = HDMI_COLORIMETRY_BT2020_RGB,
5499 	[DRM_MODE_COLORIMETRY_BT2020_YCC] = HDMI_COLORIMETRY_BT2020_YCC,
5500 };
5501 
5502 #undef C
5503 #undef EC
5504 #undef ACE
5505 
5506 /**
5507  * drm_hdmi_avi_infoframe_colorspace() - fill the HDMI AVI infoframe
5508  *                                       colorspace information
5509  * @frame: HDMI AVI infoframe
5510  * @conn_state: connector state
5511  */
5512 void
5513 drm_hdmi_avi_infoframe_colorspace(struct hdmi_avi_infoframe *frame,
5514 				  const struct drm_connector_state *conn_state)
5515 {
5516 	u32 colorimetry_val;
5517 	u32 colorimetry_index = conn_state->colorspace & FULL_COLORIMETRY_MASK;
5518 
5519 	if (colorimetry_index >= ARRAY_SIZE(hdmi_colorimetry_val))
5520 		colorimetry_val = HDMI_COLORIMETRY_NO_DATA;
5521 	else
5522 		colorimetry_val = hdmi_colorimetry_val[colorimetry_index];
5523 
5524 	frame->colorimetry = colorimetry_val & NORMAL_COLORIMETRY_MASK;
5525 	/*
5526 	 * ToDo: Extend it for ACE formats as well. Modify the infoframe
5527 	 * structure and extend it in drivers/video/hdmi
5528 	 */
5529 	frame->extended_colorimetry = (colorimetry_val >> 2) &
5530 					EXTENDED_COLORIMETRY_MASK;
5531 }
5532 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_colorspace);
5533 
5534 /**
5535  * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
5536  *                                        quantization range information
5537  * @frame: HDMI AVI infoframe
5538  * @connector: the connector
5539  * @mode: DRM display mode
5540  * @rgb_quant_range: RGB quantization range (Q)
5541  */
5542 void
5543 drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
5544 				   struct drm_connector *connector,
5545 				   const struct drm_display_mode *mode,
5546 				   enum hdmi_quantization_range rgb_quant_range)
5547 {
5548 	const struct drm_display_info *info = &connector->display_info;
5549 
5550 	/*
5551 	 * CEA-861:
5552 	 * "A Source shall not send a non-zero Q value that does not correspond
5553 	 *  to the default RGB Quantization Range for the transmitted Picture
5554 	 *  unless the Sink indicates support for the Q bit in a Video
5555 	 *  Capabilities Data Block."
5556 	 *
5557 	 * HDMI 2.0 recommends sending non-zero Q when it does match the
5558 	 * default RGB quantization range for the mode, even when QS=0.
5559 	 */
5560 	if (info->rgb_quant_range_selectable ||
5561 	    rgb_quant_range == drm_default_rgb_quant_range(mode))
5562 		frame->quantization_range = rgb_quant_range;
5563 	else
5564 		frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
5565 
5566 	/*
5567 	 * CEA-861-F:
5568 	 * "When transmitting any RGB colorimetry, the Source should set the
5569 	 *  YQ-field to match the RGB Quantization Range being transmitted
5570 	 *  (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB,
5571 	 *  set YQ=1) and the Sink shall ignore the YQ-field."
5572 	 *
5573 	 * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused
5574 	 * by non-zero YQ when receiving RGB. There doesn't seem to be any
5575 	 * good way to tell which version of CEA-861 the sink supports, so
5576 	 * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based
5577 	 * on on CEA-861-F.
5578 	 */
5579 	if (!is_hdmi2_sink(connector) ||
5580 	    rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
5581 		frame->ycc_quantization_range =
5582 			HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
5583 	else
5584 		frame->ycc_quantization_range =
5585 			HDMI_YCC_QUANTIZATION_RANGE_FULL;
5586 }
5587 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);
5588 
5589 /**
5590  * drm_hdmi_avi_infoframe_bars() - fill the HDMI AVI infoframe
5591  *                                 bar information
5592  * @frame: HDMI AVI infoframe
5593  * @conn_state: connector state
5594  */
5595 void
5596 drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
5597 			    const struct drm_connector_state *conn_state)
5598 {
5599 	frame->right_bar = conn_state->tv.margins.right;
5600 	frame->left_bar = conn_state->tv.margins.left;
5601 	frame->top_bar = conn_state->tv.margins.top;
5602 	frame->bottom_bar = conn_state->tv.margins.bottom;
5603 }
5604 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_bars);
5605 
5606 static enum hdmi_3d_structure
5607 s3d_structure_from_display_mode(const struct drm_display_mode *mode)
5608 {
5609 	u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK;
5610 
5611 	switch (layout) {
5612 	case DRM_MODE_FLAG_3D_FRAME_PACKING:
5613 		return HDMI_3D_STRUCTURE_FRAME_PACKING;
5614 	case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:
5615 		return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE;
5616 	case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:
5617 		return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE;
5618 	case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:
5619 		return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL;
5620 	case DRM_MODE_FLAG_3D_L_DEPTH:
5621 		return HDMI_3D_STRUCTURE_L_DEPTH;
5622 	case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:
5623 		return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH;
5624 	case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
5625 		return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM;
5626 	case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
5627 		return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF;
5628 	default:
5629 		return HDMI_3D_STRUCTURE_INVALID;
5630 	}
5631 }
5632 
5633 /**
5634  * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with
5635  * data from a DRM display mode
5636  * @frame: HDMI vendor infoframe
5637  * @connector: the connector
5638  * @mode: DRM display mode
5639  *
5640  * Note that there's is a need to send HDMI vendor infoframes only when using a
5641  * 4k or stereoscopic 3D mode. So when giving any other mode as input this
5642  * function will return -EINVAL, error that can be safely ignored.
5643  *
5644  * Return: 0 on success or a negative error code on failure.
5645  */
5646 int
5647 drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
5648 					    struct drm_connector *connector,
5649 					    const struct drm_display_mode *mode)
5650 {
5651 	/*
5652 	 * FIXME: sil-sii8620 doesn't have a connector around when
5653 	 * we need one, so we have to be prepared for a NULL connector.
5654 	 */
5655 	bool has_hdmi_infoframe = connector ?
5656 		connector->display_info.has_hdmi_infoframe : false;
5657 	int err;
5658 
5659 	if (!frame || !mode)
5660 		return -EINVAL;
5661 
5662 	if (!has_hdmi_infoframe)
5663 		return -EINVAL;
5664 
5665 	err = hdmi_vendor_infoframe_init(frame);
5666 	if (err < 0)
5667 		return err;
5668 
5669 	/*
5670 	 * Even if it's not absolutely necessary to send the infoframe
5671 	 * (ie.vic==0 and s3d_struct==0) we will still send it if we
5672 	 * know that the sink can handle it. This is based on a
5673 	 * suggestion in HDMI 2.0 Appendix F. Apparently some sinks
5674 	 * have trouble realizing that they shuld switch from 3D to 2D
5675 	 * mode if the source simply stops sending the infoframe when
5676 	 * it wants to switch from 3D to 2D.
5677 	 */
5678 	frame->vic = drm_mode_hdmi_vic(connector, mode);
5679 	frame->s3d_struct = s3d_structure_from_display_mode(mode);
5680 
5681 	return 0;
5682 }
5683 EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode);
5684 
5685 static int drm_parse_tiled_block(struct drm_connector *connector,
5686 				 struct displayid_block *block)
5687 {
5688 	struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block;
5689 	u16 w, h;
5690 	u8 tile_v_loc, tile_h_loc;
5691 	u8 num_v_tile, num_h_tile;
5692 	struct drm_tile_group *tg;
5693 
5694 	w = tile->tile_size[0] | tile->tile_size[1] << 8;
5695 	h = tile->tile_size[2] | tile->tile_size[3] << 8;
5696 
5697 	num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30);
5698 	num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30);
5699 	tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4);
5700 	tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4);
5701 
5702 	connector->has_tile = true;
5703 	if (tile->tile_cap & 0x80)
5704 		connector->tile_is_single_monitor = true;
5705 
5706 	connector->num_h_tile = num_h_tile + 1;
5707 	connector->num_v_tile = num_v_tile + 1;
5708 	connector->tile_h_loc = tile_h_loc;
5709 	connector->tile_v_loc = tile_v_loc;
5710 	connector->tile_h_size = w + 1;
5711 	connector->tile_v_size = h + 1;
5712 
5713 	DRM_DEBUG_KMS("tile cap 0x%x\n", tile->tile_cap);
5714 	DRM_DEBUG_KMS("tile_size %d x %d\n", w + 1, h + 1);
5715 	DRM_DEBUG_KMS("topo num tiles %dx%d, location %dx%d\n",
5716 		      num_h_tile + 1, num_v_tile + 1, tile_h_loc, tile_v_loc);
5717 	DRM_DEBUG_KMS("vend %c%c%c\n", tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]);
5718 
5719 	tg = drm_mode_get_tile_group(connector->dev, tile->topology_id);
5720 	if (!tg) {
5721 		tg = drm_mode_create_tile_group(connector->dev, tile->topology_id);
5722 	}
5723 	if (!tg)
5724 		return -ENOMEM;
5725 
5726 	if (connector->tile_group != tg) {
5727 		/* if we haven't got a pointer,
5728 		   take the reference, drop ref to old tile group */
5729 		if (connector->tile_group) {
5730 			drm_mode_put_tile_group(connector->dev, connector->tile_group);
5731 		}
5732 		connector->tile_group = tg;
5733 	} else
5734 		/* if same tile group, then release the ref we just took. */
5735 		drm_mode_put_tile_group(connector->dev, tg);
5736 	return 0;
5737 }
5738 
5739 static int drm_parse_display_id(struct drm_connector *connector,
5740 				u8 *displayid, int length,
5741 				bool is_edid_extension)
5742 {
5743 	/* if this is an EDID extension the first byte will be 0x70 */
5744 	int idx = 0;
5745 	struct displayid_block *block;
5746 	int ret;
5747 
5748 	if (is_edid_extension)
5749 		idx = 1;
5750 
5751 	ret = validate_displayid(displayid, length, idx);
5752 	if (ret)
5753 		return ret;
5754 
5755 	idx += sizeof(struct displayid_hdr);
5756 	for_each_displayid_db(displayid, block, idx, length) {
5757 		DRM_DEBUG_KMS("block id 0x%x, rev %d, len %d\n",
5758 			      block->tag, block->rev, block->num_bytes);
5759 
5760 		switch (block->tag) {
5761 		case DATA_BLOCK_TILED_DISPLAY:
5762 			ret = drm_parse_tiled_block(connector, block);
5763 			if (ret)
5764 				return ret;
5765 			break;
5766 		case DATA_BLOCK_TYPE_1_DETAILED_TIMING:
5767 			/* handled in mode gathering code. */
5768 			break;
5769 		case DATA_BLOCK_CTA:
5770 			/* handled in the cea parser code. */
5771 			break;
5772 		default:
5773 			DRM_DEBUG_KMS("found DisplayID tag 0x%x, unhandled\n", block->tag);
5774 			break;
5775 		}
5776 	}
5777 	return 0;
5778 }
5779 
5780 static void drm_get_displayid(struct drm_connector *connector,
5781 			      struct edid *edid)
5782 {
5783 	void *displayid = NULL;
5784 	int ret;
5785 	connector->has_tile = false;
5786 	displayid = drm_find_displayid_extension(edid);
5787 	if (!displayid) {
5788 		/* drop reference to any tile group we had */
5789 		goto out_drop_ref;
5790 	}
5791 
5792 	ret = drm_parse_display_id(connector, displayid, EDID_LENGTH, true);
5793 	if (ret < 0)
5794 		goto out_drop_ref;
5795 	if (!connector->has_tile)
5796 		goto out_drop_ref;
5797 	return;
5798 out_drop_ref:
5799 	if (connector->tile_group) {
5800 		drm_mode_put_tile_group(connector->dev, connector->tile_group);
5801 		connector->tile_group = NULL;
5802 	}
5803 	return;
5804 }
5805