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f453ba04 DA |
1 | /* |
2 | * Copyright (c) 2006 Luc Verhaegen (quirks list) | |
3 | * Copyright (c) 2007-2008 Intel Corporation | |
4 | * Jesse Barnes <jesse.barnes@intel.com> | |
61e57a8d | 5 | * Copyright 2010 Red Hat, Inc. |
f453ba04 DA |
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 | #include <linux/kernel.h> | |
5a0e3ad6 | 31 | #include <linux/slab.h> |
10a85120 | 32 | #include <linux/hdmi.h> |
f453ba04 | 33 | #include <linux/i2c.h> |
47819ba2 | 34 | #include <linux/module.h> |
760285e7 DH |
35 | #include <drm/drmP.h> |
36 | #include <drm/drm_edid.h> | |
40d9b043 | 37 | #include <drm/drm_displayid.h> |
f453ba04 | 38 | |
13931579 AJ |
39 | #define version_greater(edid, maj, min) \ |
40 | (((edid)->version > (maj)) || \ | |
41 | ((edid)->version == (maj) && (edid)->revision > (min))) | |
f453ba04 | 42 | |
d1ff6409 AJ |
43 | #define EDID_EST_TIMINGS 16 |
44 | #define EDID_STD_TIMINGS 8 | |
45 | #define EDID_DETAILED_TIMINGS 4 | |
f453ba04 DA |
46 | |
47 | /* | |
48 | * EDID blocks out in the wild have a variety of bugs, try to collect | |
49 | * them here (note that userspace may work around broken monitors first, | |
50 | * but fixes should make their way here so that the kernel "just works" | |
51 | * on as many displays as possible). | |
52 | */ | |
53 | ||
54 | /* First detailed mode wrong, use largest 60Hz mode */ | |
55 | #define EDID_QUIRK_PREFER_LARGE_60 (1 << 0) | |
56 | /* Reported 135MHz pixel clock is too high, needs adjustment */ | |
57 | #define EDID_QUIRK_135_CLOCK_TOO_HIGH (1 << 1) | |
58 | /* Prefer the largest mode at 75 Hz */ | |
59 | #define EDID_QUIRK_PREFER_LARGE_75 (1 << 2) | |
60 | /* Detail timing is in cm not mm */ | |
61 | #define EDID_QUIRK_DETAILED_IN_CM (1 << 3) | |
62 | /* Detailed timing descriptors have bogus size values, so just take the | |
63 | * maximum size and use that. | |
64 | */ | |
65 | #define EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE (1 << 4) | |
66 | /* Monitor forgot to set the first detailed is preferred bit. */ | |
67 | #define EDID_QUIRK_FIRST_DETAILED_PREFERRED (1 << 5) | |
68 | /* use +hsync +vsync for detailed mode */ | |
69 | #define EDID_QUIRK_DETAILED_SYNC_PP (1 << 6) | |
bc42aabc AJ |
70 | /* Force reduced-blanking timings for detailed modes */ |
71 | #define EDID_QUIRK_FORCE_REDUCED_BLANKING (1 << 7) | |
49d45a31 RM |
72 | /* Force 8bpc */ |
73 | #define EDID_QUIRK_FORCE_8BPC (1 << 8) | |
bc5b9641 MK |
74 | /* Force 12bpc */ |
75 | #define EDID_QUIRK_FORCE_12BPC (1 << 9) | |
3c537889 | 76 | |
13931579 AJ |
77 | struct detailed_mode_closure { |
78 | struct drm_connector *connector; | |
79 | struct edid *edid; | |
80 | bool preferred; | |
81 | u32 quirks; | |
82 | int modes; | |
83 | }; | |
f453ba04 | 84 | |
5c61259e ZY |
85 | #define LEVEL_DMT 0 |
86 | #define LEVEL_GTF 1 | |
7a374350 AJ |
87 | #define LEVEL_GTF2 2 |
88 | #define LEVEL_CVT 3 | |
5c61259e | 89 | |
f453ba04 | 90 | static struct edid_quirk { |
c51a3fd6 | 91 | char vendor[4]; |
f453ba04 DA |
92 | int product_id; |
93 | u32 quirks; | |
94 | } edid_quirk_list[] = { | |
95 | /* Acer AL1706 */ | |
96 | { "ACR", 44358, EDID_QUIRK_PREFER_LARGE_60 }, | |
97 | /* Acer F51 */ | |
98 | { "API", 0x7602, EDID_QUIRK_PREFER_LARGE_60 }, | |
99 | /* Unknown Acer */ | |
100 | { "ACR", 2423, EDID_QUIRK_FIRST_DETAILED_PREFERRED }, | |
101 | ||
102 | /* Belinea 10 15 55 */ | |
103 | { "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 }, | |
104 | { "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 }, | |
105 | ||
106 | /* Envision Peripherals, Inc. EN-7100e */ | |
107 | { "EPI", 59264, EDID_QUIRK_135_CLOCK_TOO_HIGH }, | |
ba1163de AJ |
108 | /* Envision EN2028 */ |
109 | { "EPI", 8232, EDID_QUIRK_PREFER_LARGE_60 }, | |
f453ba04 DA |
110 | |
111 | /* Funai Electronics PM36B */ | |
112 | { "FCM", 13600, EDID_QUIRK_PREFER_LARGE_75 | | |
113 | EDID_QUIRK_DETAILED_IN_CM }, | |
114 | ||
115 | /* LG Philips LCD LP154W01-A5 */ | |
116 | { "LPL", 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE }, | |
117 | { "LPL", 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE }, | |
118 | ||
119 | /* Philips 107p5 CRT */ | |
120 | { "PHL", 57364, EDID_QUIRK_FIRST_DETAILED_PREFERRED }, | |
121 | ||
122 | /* Proview AY765C */ | |
123 | { "PTS", 765, EDID_QUIRK_FIRST_DETAILED_PREFERRED }, | |
124 | ||
125 | /* Samsung SyncMaster 205BW. Note: irony */ | |
126 | { "SAM", 541, EDID_QUIRK_DETAILED_SYNC_PP }, | |
127 | /* Samsung SyncMaster 22[5-6]BW */ | |
128 | { "SAM", 596, EDID_QUIRK_PREFER_LARGE_60 }, | |
129 | { "SAM", 638, EDID_QUIRK_PREFER_LARGE_60 }, | |
bc42aabc | 130 | |
bc5b9641 MK |
131 | /* Sony PVM-2541A does up to 12 bpc, but only reports max 8 bpc */ |
132 | { "SNY", 0x2541, EDID_QUIRK_FORCE_12BPC }, | |
133 | ||
bc42aabc AJ |
134 | /* ViewSonic VA2026w */ |
135 | { "VSC", 5020, EDID_QUIRK_FORCE_REDUCED_BLANKING }, | |
118bdbd8 AD |
136 | |
137 | /* Medion MD 30217 PG */ | |
138 | { "MED", 0x7b8, EDID_QUIRK_PREFER_LARGE_75 }, | |
49d45a31 RM |
139 | |
140 | /* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */ | |
141 | { "SEC", 0xd033, EDID_QUIRK_FORCE_8BPC }, | |
f453ba04 DA |
142 | }; |
143 | ||
a6b21831 TR |
144 | /* |
145 | * Autogenerated from the DMT spec. | |
146 | * This table is copied from xfree86/modes/xf86EdidModes.c. | |
147 | */ | |
148 | static const struct drm_display_mode drm_dmt_modes[] = { | |
24b856b1 | 149 | /* 0x01 - 640x350@85Hz */ |
a6b21831 TR |
150 | { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 31500, 640, 672, |
151 | 736, 832, 0, 350, 382, 385, 445, 0, | |
152 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
24b856b1 | 153 | /* 0x02 - 640x400@85Hz */ |
a6b21831 TR |
154 | { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 31500, 640, 672, |
155 | 736, 832, 0, 400, 401, 404, 445, 0, | |
156 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 157 | /* 0x03 - 720x400@85Hz */ |
a6b21831 TR |
158 | { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 756, |
159 | 828, 936, 0, 400, 401, 404, 446, 0, | |
160 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 161 | /* 0x04 - 640x480@60Hz */ |
a6b21831 | 162 | { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656, |
fcf22d05 | 163 | 752, 800, 0, 480, 490, 492, 525, 0, |
a6b21831 | 164 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, |
24b856b1 | 165 | /* 0x05 - 640x480@72Hz */ |
a6b21831 TR |
166 | { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664, |
167 | 704, 832, 0, 480, 489, 492, 520, 0, | |
168 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
24b856b1 | 169 | /* 0x06 - 640x480@75Hz */ |
a6b21831 TR |
170 | { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656, |
171 | 720, 840, 0, 480, 481, 484, 500, 0, | |
172 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
24b856b1 | 173 | /* 0x07 - 640x480@85Hz */ |
a6b21831 TR |
174 | { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 36000, 640, 696, |
175 | 752, 832, 0, 480, 481, 484, 509, 0, | |
176 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
24b856b1 | 177 | /* 0x08 - 800x600@56Hz */ |
a6b21831 TR |
178 | { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824, |
179 | 896, 1024, 0, 600, 601, 603, 625, 0, | |
180 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 181 | /* 0x09 - 800x600@60Hz */ |
a6b21831 TR |
182 | { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840, |
183 | 968, 1056, 0, 600, 601, 605, 628, 0, | |
184 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 185 | /* 0x0a - 800x600@72Hz */ |
a6b21831 TR |
186 | { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856, |
187 | 976, 1040, 0, 600, 637, 643, 666, 0, | |
188 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 189 | /* 0x0b - 800x600@75Hz */ |
a6b21831 TR |
190 | { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816, |
191 | 896, 1056, 0, 600, 601, 604, 625, 0, | |
192 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 193 | /* 0x0c - 800x600@85Hz */ |
a6b21831 TR |
194 | { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 56250, 800, 832, |
195 | 896, 1048, 0, 600, 601, 604, 631, 0, | |
196 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 197 | /* 0x0d - 800x600@120Hz RB */ |
a6b21831 TR |
198 | { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 73250, 800, 848, |
199 | 880, 960, 0, 600, 603, 607, 636, 0, | |
200 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
24b856b1 | 201 | /* 0x0e - 848x480@60Hz */ |
a6b21831 TR |
202 | { DRM_MODE("848x480", DRM_MODE_TYPE_DRIVER, 33750, 848, 864, |
203 | 976, 1088, 0, 480, 486, 494, 517, 0, | |
204 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 205 | /* 0x0f - 1024x768@43Hz, interlace */ |
a6b21831 TR |
206 | { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032, |
207 | 1208, 1264, 0, 768, 768, 772, 817, 0, | |
208 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | | |
fcf22d05 | 209 | DRM_MODE_FLAG_INTERLACE) }, |
24b856b1 | 210 | /* 0x10 - 1024x768@60Hz */ |
a6b21831 TR |
211 | { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048, |
212 | 1184, 1344, 0, 768, 771, 777, 806, 0, | |
213 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
24b856b1 | 214 | /* 0x11 - 1024x768@70Hz */ |
a6b21831 TR |
215 | { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048, |
216 | 1184, 1328, 0, 768, 771, 777, 806, 0, | |
217 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
24b856b1 | 218 | /* 0x12 - 1024x768@75Hz */ |
a6b21831 TR |
219 | { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040, |
220 | 1136, 1312, 0, 768, 769, 772, 800, 0, | |
221 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 222 | /* 0x13 - 1024x768@85Hz */ |
a6b21831 TR |
223 | { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 94500, 1024, 1072, |
224 | 1168, 1376, 0, 768, 769, 772, 808, 0, | |
225 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 226 | /* 0x14 - 1024x768@120Hz RB */ |
a6b21831 TR |
227 | { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 115500, 1024, 1072, |
228 | 1104, 1184, 0, 768, 771, 775, 813, 0, | |
229 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
24b856b1 | 230 | /* 0x15 - 1152x864@75Hz */ |
a6b21831 TR |
231 | { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216, |
232 | 1344, 1600, 0, 864, 865, 868, 900, 0, | |
233 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
bfcd74d2 VS |
234 | /* 0x55 - 1280x720@60Hz */ |
235 | { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390, | |
236 | 1430, 1650, 0, 720, 725, 730, 750, 0, | |
237 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 238 | /* 0x16 - 1280x768@60Hz RB */ |
a6b21831 TR |
239 | { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 68250, 1280, 1328, |
240 | 1360, 1440, 0, 768, 771, 778, 790, 0, | |
241 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
24b856b1 | 242 | /* 0x17 - 1280x768@60Hz */ |
a6b21831 TR |
243 | { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344, |
244 | 1472, 1664, 0, 768, 771, 778, 798, 0, | |
245 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 246 | /* 0x18 - 1280x768@75Hz */ |
a6b21831 TR |
247 | { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 102250, 1280, 1360, |
248 | 1488, 1696, 0, 768, 771, 778, 805, 0, | |
fcf22d05 | 249 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, |
24b856b1 | 250 | /* 0x19 - 1280x768@85Hz */ |
a6b21831 TR |
251 | { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 117500, 1280, 1360, |
252 | 1496, 1712, 0, 768, 771, 778, 809, 0, | |
253 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 254 | /* 0x1a - 1280x768@120Hz RB */ |
a6b21831 TR |
255 | { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 140250, 1280, 1328, |
256 | 1360, 1440, 0, 768, 771, 778, 813, 0, | |
257 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
24b856b1 | 258 | /* 0x1b - 1280x800@60Hz RB */ |
a6b21831 TR |
259 | { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 71000, 1280, 1328, |
260 | 1360, 1440, 0, 800, 803, 809, 823, 0, | |
261 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
24b856b1 | 262 | /* 0x1c - 1280x800@60Hz */ |
a6b21831 TR |
263 | { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352, |
264 | 1480, 1680, 0, 800, 803, 809, 831, 0, | |
fcf22d05 | 265 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, |
24b856b1 | 266 | /* 0x1d - 1280x800@75Hz */ |
a6b21831 TR |
267 | { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 106500, 1280, 1360, |
268 | 1488, 1696, 0, 800, 803, 809, 838, 0, | |
269 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 270 | /* 0x1e - 1280x800@85Hz */ |
a6b21831 TR |
271 | { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 122500, 1280, 1360, |
272 | 1496, 1712, 0, 800, 803, 809, 843, 0, | |
273 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 274 | /* 0x1f - 1280x800@120Hz RB */ |
a6b21831 TR |
275 | { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 146250, 1280, 1328, |
276 | 1360, 1440, 0, 800, 803, 809, 847, 0, | |
277 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
24b856b1 | 278 | /* 0x20 - 1280x960@60Hz */ |
a6b21831 TR |
279 | { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376, |
280 | 1488, 1800, 0, 960, 961, 964, 1000, 0, | |
281 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 282 | /* 0x21 - 1280x960@85Hz */ |
a6b21831 TR |
283 | { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1344, |
284 | 1504, 1728, 0, 960, 961, 964, 1011, 0, | |
285 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 286 | /* 0x22 - 1280x960@120Hz RB */ |
a6b21831 TR |
287 | { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 175500, 1280, 1328, |
288 | 1360, 1440, 0, 960, 963, 967, 1017, 0, | |
289 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
24b856b1 | 290 | /* 0x23 - 1280x1024@60Hz */ |
a6b21831 TR |
291 | { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328, |
292 | 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, | |
293 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 294 | /* 0x24 - 1280x1024@75Hz */ |
a6b21831 TR |
295 | { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296, |
296 | 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, | |
297 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 298 | /* 0x25 - 1280x1024@85Hz */ |
a6b21831 TR |
299 | { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 157500, 1280, 1344, |
300 | 1504, 1728, 0, 1024, 1025, 1028, 1072, 0, | |
301 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 302 | /* 0x26 - 1280x1024@120Hz RB */ |
a6b21831 TR |
303 | { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 187250, 1280, 1328, |
304 | 1360, 1440, 0, 1024, 1027, 1034, 1084, 0, | |
305 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
24b856b1 | 306 | /* 0x27 - 1360x768@60Hz */ |
a6b21831 TR |
307 | { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424, |
308 | 1536, 1792, 0, 768, 771, 777, 795, 0, | |
309 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 310 | /* 0x28 - 1360x768@120Hz RB */ |
a6b21831 TR |
311 | { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 148250, 1360, 1408, |
312 | 1440, 1520, 0, 768, 771, 776, 813, 0, | |
313 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
bfcd74d2 VS |
314 | /* 0x51 - 1366x768@60Hz */ |
315 | { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 85500, 1366, 1436, | |
316 | 1579, 1792, 0, 768, 771, 774, 798, 0, | |
317 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
318 | /* 0x56 - 1366x768@60Hz */ | |
319 | { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 72000, 1366, 1380, | |
320 | 1436, 1500, 0, 768, 769, 772, 800, 0, | |
321 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 322 | /* 0x29 - 1400x1050@60Hz RB */ |
a6b21831 TR |
323 | { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 101000, 1400, 1448, |
324 | 1480, 1560, 0, 1050, 1053, 1057, 1080, 0, | |
325 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
24b856b1 | 326 | /* 0x2a - 1400x1050@60Hz */ |
a6b21831 TR |
327 | { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488, |
328 | 1632, 1864, 0, 1050, 1053, 1057, 1089, 0, | |
329 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 330 | /* 0x2b - 1400x1050@75Hz */ |
a6b21831 TR |
331 | { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 156000, 1400, 1504, |
332 | 1648, 1896, 0, 1050, 1053, 1057, 1099, 0, | |
333 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 334 | /* 0x2c - 1400x1050@85Hz */ |
a6b21831 TR |
335 | { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 179500, 1400, 1504, |
336 | 1656, 1912, 0, 1050, 1053, 1057, 1105, 0, | |
337 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 338 | /* 0x2d - 1400x1050@120Hz RB */ |
a6b21831 TR |
339 | { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 208000, 1400, 1448, |
340 | 1480, 1560, 0, 1050, 1053, 1057, 1112, 0, | |
341 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
24b856b1 | 342 | /* 0x2e - 1440x900@60Hz RB */ |
a6b21831 TR |
343 | { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 88750, 1440, 1488, |
344 | 1520, 1600, 0, 900, 903, 909, 926, 0, | |
345 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
24b856b1 | 346 | /* 0x2f - 1440x900@60Hz */ |
a6b21831 TR |
347 | { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520, |
348 | 1672, 1904, 0, 900, 903, 909, 934, 0, | |
349 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 350 | /* 0x30 - 1440x900@75Hz */ |
a6b21831 TR |
351 | { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 136750, 1440, 1536, |
352 | 1688, 1936, 0, 900, 903, 909, 942, 0, | |
353 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 354 | /* 0x31 - 1440x900@85Hz */ |
a6b21831 TR |
355 | { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 157000, 1440, 1544, |
356 | 1696, 1952, 0, 900, 903, 909, 948, 0, | |
357 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 358 | /* 0x32 - 1440x900@120Hz RB */ |
a6b21831 TR |
359 | { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 182750, 1440, 1488, |
360 | 1520, 1600, 0, 900, 903, 909, 953, 0, | |
361 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
bfcd74d2 VS |
362 | /* 0x53 - 1600x900@60Hz */ |
363 | { DRM_MODE("1600x900", DRM_MODE_TYPE_DRIVER, 108000, 1600, 1624, | |
364 | 1704, 1800, 0, 900, 901, 904, 1000, 0, | |
365 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 366 | /* 0x33 - 1600x1200@60Hz */ |
a6b21831 TR |
367 | { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664, |
368 | 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, | |
369 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 370 | /* 0x34 - 1600x1200@65Hz */ |
a6b21831 TR |
371 | { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 175500, 1600, 1664, |
372 | 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, | |
373 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 374 | /* 0x35 - 1600x1200@70Hz */ |
a6b21831 TR |
375 | { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 189000, 1600, 1664, |
376 | 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, | |
377 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 378 | /* 0x36 - 1600x1200@75Hz */ |
a6b21831 TR |
379 | { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 202500, 1600, 1664, |
380 | 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, | |
381 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 382 | /* 0x37 - 1600x1200@85Hz */ |
a6b21831 TR |
383 | { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 229500, 1600, 1664, |
384 | 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, | |
385 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 386 | /* 0x38 - 1600x1200@120Hz RB */ |
a6b21831 TR |
387 | { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 268250, 1600, 1648, |
388 | 1680, 1760, 0, 1200, 1203, 1207, 1271, 0, | |
389 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
24b856b1 | 390 | /* 0x39 - 1680x1050@60Hz RB */ |
a6b21831 TR |
391 | { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 119000, 1680, 1728, |
392 | 1760, 1840, 0, 1050, 1053, 1059, 1080, 0, | |
393 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
24b856b1 | 394 | /* 0x3a - 1680x1050@60Hz */ |
a6b21831 TR |
395 | { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784, |
396 | 1960, 2240, 0, 1050, 1053, 1059, 1089, 0, | |
397 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 398 | /* 0x3b - 1680x1050@75Hz */ |
a6b21831 TR |
399 | { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 187000, 1680, 1800, |
400 | 1976, 2272, 0, 1050, 1053, 1059, 1099, 0, | |
401 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 402 | /* 0x3c - 1680x1050@85Hz */ |
a6b21831 TR |
403 | { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 214750, 1680, 1808, |
404 | 1984, 2288, 0, 1050, 1053, 1059, 1105, 0, | |
405 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 406 | /* 0x3d - 1680x1050@120Hz RB */ |
a6b21831 TR |
407 | { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 245500, 1680, 1728, |
408 | 1760, 1840, 0, 1050, 1053, 1059, 1112, 0, | |
409 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
24b856b1 | 410 | /* 0x3e - 1792x1344@60Hz */ |
a6b21831 TR |
411 | { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920, |
412 | 2120, 2448, 0, 1344, 1345, 1348, 1394, 0, | |
413 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 414 | /* 0x3f - 1792x1344@75Hz */ |
a6b21831 TR |
415 | { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 261000, 1792, 1888, |
416 | 2104, 2456, 0, 1344, 1345, 1348, 1417, 0, | |
417 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 418 | /* 0x40 - 1792x1344@120Hz RB */ |
a6b21831 TR |
419 | { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 333250, 1792, 1840, |
420 | 1872, 1952, 0, 1344, 1347, 1351, 1423, 0, | |
421 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
24b856b1 | 422 | /* 0x41 - 1856x1392@60Hz */ |
a6b21831 TR |
423 | { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952, |
424 | 2176, 2528, 0, 1392, 1393, 1396, 1439, 0, | |
425 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 426 | /* 0x42 - 1856x1392@75Hz */ |
a6b21831 | 427 | { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 288000, 1856, 1984, |
fcf22d05 | 428 | 2208, 2560, 0, 1392, 1393, 1396, 1500, 0, |
a6b21831 | 429 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, |
24b856b1 | 430 | /* 0x43 - 1856x1392@120Hz RB */ |
a6b21831 TR |
431 | { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 356500, 1856, 1904, |
432 | 1936, 2016, 0, 1392, 1395, 1399, 1474, 0, | |
433 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
bfcd74d2 VS |
434 | /* 0x52 - 1920x1080@60Hz */ |
435 | { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008, | |
436 | 2052, 2200, 0, 1080, 1084, 1089, 1125, 0, | |
437 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
24b856b1 | 438 | /* 0x44 - 1920x1200@60Hz RB */ |
a6b21831 TR |
439 | { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 154000, 1920, 1968, |
440 | 2000, 2080, 0, 1200, 1203, 1209, 1235, 0, | |
441 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
24b856b1 | 442 | /* 0x45 - 1920x1200@60Hz */ |
a6b21831 TR |
443 | { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056, |
444 | 2256, 2592, 0, 1200, 1203, 1209, 1245, 0, | |
445 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 446 | /* 0x46 - 1920x1200@75Hz */ |
a6b21831 TR |
447 | { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 245250, 1920, 2056, |
448 | 2264, 2608, 0, 1200, 1203, 1209, 1255, 0, | |
449 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 450 | /* 0x47 - 1920x1200@85Hz */ |
a6b21831 TR |
451 | { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 281250, 1920, 2064, |
452 | 2272, 2624, 0, 1200, 1203, 1209, 1262, 0, | |
453 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 454 | /* 0x48 - 1920x1200@120Hz RB */ |
a6b21831 TR |
455 | { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 317000, 1920, 1968, |
456 | 2000, 2080, 0, 1200, 1203, 1209, 1271, 0, | |
457 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
24b856b1 | 458 | /* 0x49 - 1920x1440@60Hz */ |
a6b21831 TR |
459 | { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048, |
460 | 2256, 2600, 0, 1440, 1441, 1444, 1500, 0, | |
461 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 462 | /* 0x4a - 1920x1440@75Hz */ |
a6b21831 TR |
463 | { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2064, |
464 | 2288, 2640, 0, 1440, 1441, 1444, 1500, 0, | |
465 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 466 | /* 0x4b - 1920x1440@120Hz RB */ |
a6b21831 TR |
467 | { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 380500, 1920, 1968, |
468 | 2000, 2080, 0, 1440, 1443, 1447, 1525, 0, | |
469 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
bfcd74d2 VS |
470 | /* 0x54 - 2048x1152@60Hz */ |
471 | { DRM_MODE("2048x1152", DRM_MODE_TYPE_DRIVER, 162000, 2048, 2074, | |
472 | 2154, 2250, 0, 1152, 1153, 1156, 1200, 0, | |
473 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 474 | /* 0x4c - 2560x1600@60Hz RB */ |
a6b21831 TR |
475 | { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 268500, 2560, 2608, |
476 | 2640, 2720, 0, 1600, 1603, 1609, 1646, 0, | |
477 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
24b856b1 | 478 | /* 0x4d - 2560x1600@60Hz */ |
a6b21831 TR |
479 | { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752, |
480 | 3032, 3504, 0, 1600, 1603, 1609, 1658, 0, | |
481 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 482 | /* 0x4e - 2560x1600@75Hz */ |
a6b21831 TR |
483 | { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 443250, 2560, 2768, |
484 | 3048, 3536, 0, 1600, 1603, 1609, 1672, 0, | |
485 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 486 | /* 0x4f - 2560x1600@85Hz */ |
a6b21831 TR |
487 | { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 505250, 2560, 2768, |
488 | 3048, 3536, 0, 1600, 1603, 1609, 1682, 0, | |
489 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
24b856b1 | 490 | /* 0x50 - 2560x1600@120Hz RB */ |
a6b21831 TR |
491 | { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 552750, 2560, 2608, |
492 | 2640, 2720, 0, 1600, 1603, 1609, 1694, 0, | |
493 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
bfcd74d2 VS |
494 | /* 0x57 - 4096x2160@60Hz RB */ |
495 | { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556744, 4096, 4104, | |
496 | 4136, 4176, 0, 2160, 2208, 2216, 2222, 0, | |
497 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
498 | /* 0x58 - 4096x2160@59.94Hz RB */ | |
499 | { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556188, 4096, 4104, | |
500 | 4136, 4176, 0, 2160, 2208, 2216, 2222, 0, | |
501 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | |
a6b21831 TR |
502 | }; |
503 | ||
e7bfa5c4 VS |
504 | /* |
505 | * These more or less come from the DMT spec. The 720x400 modes are | |
506 | * inferred from historical 80x25 practice. The 640x480@67 and 832x624@75 | |
507 | * modes are old-school Mac modes. The EDID spec says the 1152x864@75 mode | |
508 | * should be 1152x870, again for the Mac, but instead we use the x864 DMT | |
509 | * mode. | |
510 | * | |
511 | * The DMT modes have been fact-checked; the rest are mild guesses. | |
512 | */ | |
a6b21831 TR |
513 | static const struct drm_display_mode edid_est_modes[] = { |
514 | { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840, | |
515 | 968, 1056, 0, 600, 601, 605, 628, 0, | |
516 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@60Hz */ | |
517 | { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824, | |
518 | 896, 1024, 0, 600, 601, 603, 625, 0, | |
519 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@56Hz */ | |
520 | { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656, | |
521 | 720, 840, 0, 480, 481, 484, 500, 0, | |
522 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */ | |
523 | { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664, | |
524 | 704, 832, 0, 480, 489, 491, 520, 0, | |
525 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */ | |
526 | { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704, | |
527 | 768, 864, 0, 480, 483, 486, 525, 0, | |
528 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */ | |
529 | { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25200, 640, 656, | |
530 | 752, 800, 0, 480, 490, 492, 525, 0, | |
531 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */ | |
532 | { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738, | |
533 | 846, 900, 0, 400, 421, 423, 449, 0, | |
534 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 720x400@88Hz */ | |
535 | { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738, | |
536 | 846, 900, 0, 400, 412, 414, 449, 0, | |
537 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 720x400@70Hz */ | |
538 | { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296, | |
539 | 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, | |
540 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */ | |
541 | { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78800, 1024, 1040, | |
542 | 1136, 1312, 0, 768, 769, 772, 800, 0, | |
543 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */ | |
544 | { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048, | |
545 | 1184, 1328, 0, 768, 771, 777, 806, 0, | |
546 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@70Hz */ | |
547 | { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048, | |
548 | 1184, 1344, 0, 768, 771, 777, 806, 0, | |
549 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@60Hz */ | |
550 | { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032, | |
551 | 1208, 1264, 0, 768, 768, 776, 817, 0, | |
552 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 1024x768@43Hz */ | |
553 | { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864, | |
554 | 928, 1152, 0, 624, 625, 628, 667, 0, | |
555 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 832x624@75Hz */ | |
556 | { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816, | |
557 | 896, 1056, 0, 600, 601, 604, 625, 0, | |
558 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@75Hz */ | |
559 | { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856, | |
560 | 976, 1040, 0, 600, 637, 643, 666, 0, | |
561 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@72Hz */ | |
562 | { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216, | |
563 | 1344, 1600, 0, 864, 865, 868, 900, 0, | |
564 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */ | |
565 | }; | |
566 | ||
567 | struct minimode { | |
568 | short w; | |
569 | short h; | |
570 | short r; | |
571 | short rb; | |
572 | }; | |
573 | ||
574 | static const struct minimode est3_modes[] = { | |
575 | /* byte 6 */ | |
576 | { 640, 350, 85, 0 }, | |
577 | { 640, 400, 85, 0 }, | |
578 | { 720, 400, 85, 0 }, | |
579 | { 640, 480, 85, 0 }, | |
580 | { 848, 480, 60, 0 }, | |
581 | { 800, 600, 85, 0 }, | |
582 | { 1024, 768, 85, 0 }, | |
583 | { 1152, 864, 75, 0 }, | |
584 | /* byte 7 */ | |
585 | { 1280, 768, 60, 1 }, | |
586 | { 1280, 768, 60, 0 }, | |
587 | { 1280, 768, 75, 0 }, | |
588 | { 1280, 768, 85, 0 }, | |
589 | { 1280, 960, 60, 0 }, | |
590 | { 1280, 960, 85, 0 }, | |
591 | { 1280, 1024, 60, 0 }, | |
592 | { 1280, 1024, 85, 0 }, | |
593 | /* byte 8 */ | |
594 | { 1360, 768, 60, 0 }, | |
595 | { 1440, 900, 60, 1 }, | |
596 | { 1440, 900, 60, 0 }, | |
597 | { 1440, 900, 75, 0 }, | |
598 | { 1440, 900, 85, 0 }, | |
599 | { 1400, 1050, 60, 1 }, | |
600 | { 1400, 1050, 60, 0 }, | |
601 | { 1400, 1050, 75, 0 }, | |
602 | /* byte 9 */ | |
603 | { 1400, 1050, 85, 0 }, | |
604 | { 1680, 1050, 60, 1 }, | |
605 | { 1680, 1050, 60, 0 }, | |
606 | { 1680, 1050, 75, 0 }, | |
607 | { 1680, 1050, 85, 0 }, | |
608 | { 1600, 1200, 60, 0 }, | |
609 | { 1600, 1200, 65, 0 }, | |
610 | { 1600, 1200, 70, 0 }, | |
611 | /* byte 10 */ | |
612 | { 1600, 1200, 75, 0 }, | |
613 | { 1600, 1200, 85, 0 }, | |
614 | { 1792, 1344, 60, 0 }, | |
c068b32a | 615 | { 1792, 1344, 75, 0 }, |
a6b21831 TR |
616 | { 1856, 1392, 60, 0 }, |
617 | { 1856, 1392, 75, 0 }, | |
618 | { 1920, 1200, 60, 1 }, | |
619 | { 1920, 1200, 60, 0 }, | |
620 | /* byte 11 */ | |
621 | { 1920, 1200, 75, 0 }, | |
622 | { 1920, 1200, 85, 0 }, | |
623 | { 1920, 1440, 60, 0 }, | |
624 | { 1920, 1440, 75, 0 }, | |
625 | }; | |
626 | ||
627 | static const struct minimode extra_modes[] = { | |
628 | { 1024, 576, 60, 0 }, | |
629 | { 1366, 768, 60, 0 }, | |
630 | { 1600, 900, 60, 0 }, | |
631 | { 1680, 945, 60, 0 }, | |
632 | { 1920, 1080, 60, 0 }, | |
633 | { 2048, 1152, 60, 0 }, | |
634 | { 2048, 1536, 60, 0 }, | |
635 | }; | |
636 | ||
637 | /* | |
638 | * Probably taken from CEA-861 spec. | |
639 | * This table is converted from xorg's hw/xfree86/modes/xf86EdidModes.c. | |
d9278b4c JN |
640 | * |
641 | * Index using the VIC. | |
a6b21831 TR |
642 | */ |
643 | static const struct drm_display_mode edid_cea_modes[] = { | |
d9278b4c JN |
644 | /* 0 - dummy, VICs start at 1 */ |
645 | { }, | |
a6b21831 TR |
646 | /* 1 - 640x480@60Hz */ |
647 | { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656, | |
648 | 752, 800, 0, 480, 490, 492, 525, 0, | |
ee7925bb | 649 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
985e5dc2 | 650 | .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, |
a6b21831 TR |
651 | /* 2 - 720x480@60Hz */ |
652 | { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736, | |
653 | 798, 858, 0, 480, 489, 495, 525, 0, | |
ee7925bb | 654 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
985e5dc2 | 655 | .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, |
a6b21831 TR |
656 | /* 3 - 720x480@60Hz */ |
657 | { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736, | |
658 | 798, 858, 0, 480, 489, 495, 525, 0, | |
ee7925bb | 659 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
985e5dc2 | 660 | .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
661 | /* 4 - 1280x720@60Hz */ |
662 | { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390, | |
663 | 1430, 1650, 0, 720, 725, 730, 750, 0, | |
ee7925bb | 664 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), |
985e5dc2 | 665 | .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
666 | /* 5 - 1920x1080i@60Hz */ |
667 | { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008, | |
668 | 2052, 2200, 0, 1080, 1084, 1094, 1125, 0, | |
669 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | | |
ee7925bb | 670 | DRM_MODE_FLAG_INTERLACE), |
985e5dc2 | 671 | .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
fb01d280 CT |
672 | /* 6 - 720(1440)x480i@60Hz */ |
673 | { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739, | |
674 | 801, 858, 0, 480, 488, 494, 525, 0, | |
a6b21831 | 675 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | |
ee7925bb | 676 | DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), |
985e5dc2 | 677 | .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, |
fb01d280 CT |
678 | /* 7 - 720(1440)x480i@60Hz */ |
679 | { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739, | |
680 | 801, 858, 0, 480, 488, 494, 525, 0, | |
a6b21831 | 681 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | |
ee7925bb | 682 | DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), |
985e5dc2 | 683 | .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
fb01d280 CT |
684 | /* 8 - 720(1440)x240@60Hz */ |
685 | { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739, | |
686 | 801, 858, 0, 240, 244, 247, 262, 0, | |
a6b21831 | 687 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | |
ee7925bb | 688 | DRM_MODE_FLAG_DBLCLK), |
985e5dc2 | 689 | .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, |
fb01d280 CT |
690 | /* 9 - 720(1440)x240@60Hz */ |
691 | { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739, | |
692 | 801, 858, 0, 240, 244, 247, 262, 0, | |
a6b21831 | 693 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | |
ee7925bb | 694 | DRM_MODE_FLAG_DBLCLK), |
985e5dc2 | 695 | .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
696 | /* 10 - 2880x480i@60Hz */ |
697 | { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956, | |
698 | 3204, 3432, 0, 480, 488, 494, 525, 0, | |
699 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | | |
ee7925bb | 700 | DRM_MODE_FLAG_INTERLACE), |
985e5dc2 | 701 | .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, |
a6b21831 TR |
702 | /* 11 - 2880x480i@60Hz */ |
703 | { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956, | |
704 | 3204, 3432, 0, 480, 488, 494, 525, 0, | |
705 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | | |
ee7925bb | 706 | DRM_MODE_FLAG_INTERLACE), |
985e5dc2 | 707 | .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
708 | /* 12 - 2880x240@60Hz */ |
709 | { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956, | |
710 | 3204, 3432, 0, 240, 244, 247, 262, 0, | |
ee7925bb | 711 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
985e5dc2 | 712 | .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, |
a6b21831 TR |
713 | /* 13 - 2880x240@60Hz */ |
714 | { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956, | |
715 | 3204, 3432, 0, 240, 244, 247, 262, 0, | |
ee7925bb | 716 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
985e5dc2 | 717 | .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
718 | /* 14 - 1440x480@60Hz */ |
719 | { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472, | |
720 | 1596, 1716, 0, 480, 489, 495, 525, 0, | |
ee7925bb | 721 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
985e5dc2 | 722 | .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, |
a6b21831 TR |
723 | /* 15 - 1440x480@60Hz */ |
724 | { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472, | |
725 | 1596, 1716, 0, 480, 489, 495, 525, 0, | |
ee7925bb | 726 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
985e5dc2 | 727 | .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
728 | /* 16 - 1920x1080@60Hz */ |
729 | { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008, | |
730 | 2052, 2200, 0, 1080, 1084, 1089, 1125, 0, | |
ee7925bb | 731 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), |
985e5dc2 | 732 | .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
733 | /* 17 - 720x576@50Hz */ |
734 | { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732, | |
735 | 796, 864, 0, 576, 581, 586, 625, 0, | |
ee7925bb | 736 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
985e5dc2 | 737 | .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, |
a6b21831 TR |
738 | /* 18 - 720x576@50Hz */ |
739 | { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732, | |
740 | 796, 864, 0, 576, 581, 586, 625, 0, | |
ee7925bb | 741 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
985e5dc2 | 742 | .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
743 | /* 19 - 1280x720@50Hz */ |
744 | { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720, | |
745 | 1760, 1980, 0, 720, 725, 730, 750, 0, | |
ee7925bb | 746 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), |
985e5dc2 | 747 | .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
748 | /* 20 - 1920x1080i@50Hz */ |
749 | { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448, | |
750 | 2492, 2640, 0, 1080, 1084, 1094, 1125, 0, | |
751 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | | |
ee7925bb | 752 | DRM_MODE_FLAG_INTERLACE), |
985e5dc2 | 753 | .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
fb01d280 CT |
754 | /* 21 - 720(1440)x576i@50Hz */ |
755 | { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732, | |
756 | 795, 864, 0, 576, 580, 586, 625, 0, | |
a6b21831 | 757 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | |
ee7925bb | 758 | DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), |
985e5dc2 | 759 | .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, |
fb01d280 CT |
760 | /* 22 - 720(1440)x576i@50Hz */ |
761 | { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732, | |
762 | 795, 864, 0, 576, 580, 586, 625, 0, | |
a6b21831 | 763 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | |
ee7925bb | 764 | DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), |
985e5dc2 | 765 | .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
fb01d280 CT |
766 | /* 23 - 720(1440)x288@50Hz */ |
767 | { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732, | |
768 | 795, 864, 0, 288, 290, 293, 312, 0, | |
a6b21831 | 769 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | |
ee7925bb | 770 | DRM_MODE_FLAG_DBLCLK), |
985e5dc2 | 771 | .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, |
fb01d280 CT |
772 | /* 24 - 720(1440)x288@50Hz */ |
773 | { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732, | |
774 | 795, 864, 0, 288, 290, 293, 312, 0, | |
a6b21831 | 775 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | |
ee7925bb | 776 | DRM_MODE_FLAG_DBLCLK), |
985e5dc2 | 777 | .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
778 | /* 25 - 2880x576i@50Hz */ |
779 | { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928, | |
780 | 3180, 3456, 0, 576, 580, 586, 625, 0, | |
781 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | | |
ee7925bb | 782 | DRM_MODE_FLAG_INTERLACE), |
985e5dc2 | 783 | .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, |
a6b21831 TR |
784 | /* 26 - 2880x576i@50Hz */ |
785 | { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928, | |
786 | 3180, 3456, 0, 576, 580, 586, 625, 0, | |
787 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | | |
ee7925bb | 788 | DRM_MODE_FLAG_INTERLACE), |
985e5dc2 | 789 | .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
790 | /* 27 - 2880x288@50Hz */ |
791 | { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928, | |
792 | 3180, 3456, 0, 288, 290, 293, 312, 0, | |
ee7925bb | 793 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
985e5dc2 | 794 | .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, |
a6b21831 TR |
795 | /* 28 - 2880x288@50Hz */ |
796 | { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928, | |
797 | 3180, 3456, 0, 288, 290, 293, 312, 0, | |
ee7925bb | 798 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
985e5dc2 | 799 | .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
800 | /* 29 - 1440x576@50Hz */ |
801 | { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464, | |
802 | 1592, 1728, 0, 576, 581, 586, 625, 0, | |
ee7925bb | 803 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
985e5dc2 | 804 | .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, |
a6b21831 TR |
805 | /* 30 - 1440x576@50Hz */ |
806 | { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464, | |
807 | 1592, 1728, 0, 576, 581, 586, 625, 0, | |
ee7925bb | 808 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
985e5dc2 | 809 | .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
810 | /* 31 - 1920x1080@50Hz */ |
811 | { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448, | |
812 | 2492, 2640, 0, 1080, 1084, 1089, 1125, 0, | |
ee7925bb | 813 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), |
985e5dc2 | 814 | .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
815 | /* 32 - 1920x1080@24Hz */ |
816 | { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558, | |
817 | 2602, 2750, 0, 1080, 1084, 1089, 1125, 0, | |
ee7925bb | 818 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), |
985e5dc2 | 819 | .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
820 | /* 33 - 1920x1080@25Hz */ |
821 | { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448, | |
822 | 2492, 2640, 0, 1080, 1084, 1089, 1125, 0, | |
ee7925bb | 823 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), |
985e5dc2 | 824 | .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
825 | /* 34 - 1920x1080@30Hz */ |
826 | { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008, | |
827 | 2052, 2200, 0, 1080, 1084, 1089, 1125, 0, | |
ee7925bb | 828 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), |
985e5dc2 | 829 | .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
830 | /* 35 - 2880x480@60Hz */ |
831 | { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944, | |
832 | 3192, 3432, 0, 480, 489, 495, 525, 0, | |
ee7925bb | 833 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
985e5dc2 | 834 | .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, |
a6b21831 TR |
835 | /* 36 - 2880x480@60Hz */ |
836 | { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944, | |
837 | 3192, 3432, 0, 480, 489, 495, 525, 0, | |
ee7925bb | 838 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
985e5dc2 | 839 | .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
840 | /* 37 - 2880x576@50Hz */ |
841 | { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928, | |
842 | 3184, 3456, 0, 576, 581, 586, 625, 0, | |
ee7925bb | 843 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
985e5dc2 | 844 | .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, |
a6b21831 TR |
845 | /* 38 - 2880x576@50Hz */ |
846 | { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928, | |
847 | 3184, 3456, 0, 576, 581, 586, 625, 0, | |
ee7925bb | 848 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
985e5dc2 | 849 | .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
850 | /* 39 - 1920x1080i@50Hz */ |
851 | { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 72000, 1920, 1952, | |
852 | 2120, 2304, 0, 1080, 1126, 1136, 1250, 0, | |
853 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC | | |
ee7925bb | 854 | DRM_MODE_FLAG_INTERLACE), |
985e5dc2 | 855 | .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
856 | /* 40 - 1920x1080i@100Hz */ |
857 | { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448, | |
858 | 2492, 2640, 0, 1080, 1084, 1094, 1125, 0, | |
859 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | | |
ee7925bb | 860 | DRM_MODE_FLAG_INTERLACE), |
985e5dc2 | 861 | .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
862 | /* 41 - 1280x720@100Hz */ |
863 | { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720, | |
864 | 1760, 1980, 0, 720, 725, 730, 750, 0, | |
ee7925bb | 865 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), |
985e5dc2 | 866 | .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
867 | /* 42 - 720x576@100Hz */ |
868 | { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732, | |
869 | 796, 864, 0, 576, 581, 586, 625, 0, | |
ee7925bb | 870 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
985e5dc2 | 871 | .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, |
a6b21831 TR |
872 | /* 43 - 720x576@100Hz */ |
873 | { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732, | |
874 | 796, 864, 0, 576, 581, 586, 625, 0, | |
ee7925bb | 875 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
985e5dc2 | 876 | .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
fb01d280 CT |
877 | /* 44 - 720(1440)x576i@100Hz */ |
878 | { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732, | |
879 | 795, 864, 0, 576, 580, 586, 625, 0, | |
a6b21831 | 880 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | |
5a11f7f8 | 881 | DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), |
985e5dc2 | 882 | .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, |
fb01d280 CT |
883 | /* 45 - 720(1440)x576i@100Hz */ |
884 | { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732, | |
885 | 795, 864, 0, 576, 580, 586, 625, 0, | |
a6b21831 | 886 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | |
5a11f7f8 | 887 | DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), |
985e5dc2 | 888 | .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
889 | /* 46 - 1920x1080i@120Hz */ |
890 | { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008, | |
891 | 2052, 2200, 0, 1080, 1084, 1094, 1125, 0, | |
892 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | | |
ee7925bb | 893 | DRM_MODE_FLAG_INTERLACE), |
985e5dc2 | 894 | .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
895 | /* 47 - 1280x720@120Hz */ |
896 | { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390, | |
897 | 1430, 1650, 0, 720, 725, 730, 750, 0, | |
ee7925bb | 898 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), |
985e5dc2 | 899 | .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
900 | /* 48 - 720x480@120Hz */ |
901 | { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736, | |
902 | 798, 858, 0, 480, 489, 495, 525, 0, | |
ee7925bb | 903 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
985e5dc2 | 904 | .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, |
a6b21831 TR |
905 | /* 49 - 720x480@120Hz */ |
906 | { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736, | |
907 | 798, 858, 0, 480, 489, 495, 525, 0, | |
ee7925bb | 908 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
985e5dc2 | 909 | .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
fb01d280 CT |
910 | /* 50 - 720(1440)x480i@120Hz */ |
911 | { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739, | |
912 | 801, 858, 0, 480, 488, 494, 525, 0, | |
a6b21831 | 913 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | |
ee7925bb | 914 | DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), |
985e5dc2 | 915 | .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, |
fb01d280 CT |
916 | /* 51 - 720(1440)x480i@120Hz */ |
917 | { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739, | |
918 | 801, 858, 0, 480, 488, 494, 525, 0, | |
a6b21831 | 919 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | |
ee7925bb | 920 | DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), |
985e5dc2 | 921 | .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
922 | /* 52 - 720x576@200Hz */ |
923 | { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732, | |
924 | 796, 864, 0, 576, 581, 586, 625, 0, | |
ee7925bb | 925 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
985e5dc2 | 926 | .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, |
a6b21831 TR |
927 | /* 53 - 720x576@200Hz */ |
928 | { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732, | |
929 | 796, 864, 0, 576, 581, 586, 625, 0, | |
ee7925bb | 930 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
985e5dc2 | 931 | .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
fb01d280 CT |
932 | /* 54 - 720(1440)x576i@200Hz */ |
933 | { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732, | |
934 | 795, 864, 0, 576, 580, 586, 625, 0, | |
a6b21831 | 935 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | |
ee7925bb | 936 | DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), |
985e5dc2 | 937 | .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, |
fb01d280 CT |
938 | /* 55 - 720(1440)x576i@200Hz */ |
939 | { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732, | |
940 | 795, 864, 0, 576, 580, 586, 625, 0, | |
a6b21831 | 941 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | |
ee7925bb | 942 | DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), |
985e5dc2 | 943 | .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
944 | /* 56 - 720x480@240Hz */ |
945 | { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736, | |
946 | 798, 858, 0, 480, 489, 495, 525, 0, | |
ee7925bb | 947 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
985e5dc2 | 948 | .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, |
a6b21831 TR |
949 | /* 57 - 720x480@240Hz */ |
950 | { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736, | |
951 | 798, 858, 0, 480, 489, 495, 525, 0, | |
ee7925bb | 952 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
985e5dc2 | 953 | .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
fb01d280 CT |
954 | /* 58 - 720(1440)x480i@240 */ |
955 | { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739, | |
956 | 801, 858, 0, 480, 488, 494, 525, 0, | |
a6b21831 | 957 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | |
ee7925bb | 958 | DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), |
985e5dc2 | 959 | .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, |
fb01d280 CT |
960 | /* 59 - 720(1440)x480i@240 */ |
961 | { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739, | |
962 | 801, 858, 0, 480, 488, 494, 525, 0, | |
a6b21831 | 963 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | |
ee7925bb | 964 | DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), |
985e5dc2 | 965 | .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
966 | /* 60 - 1280x720@24Hz */ |
967 | { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040, | |
968 | 3080, 3300, 0, 720, 725, 730, 750, 0, | |
ee7925bb | 969 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), |
985e5dc2 | 970 | .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
971 | /* 61 - 1280x720@25Hz */ |
972 | { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700, | |
973 | 3740, 3960, 0, 720, 725, 730, 750, 0, | |
ee7925bb | 974 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), |
985e5dc2 | 975 | .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
976 | /* 62 - 1280x720@30Hz */ |
977 | { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040, | |
978 | 3080, 3300, 0, 720, 725, 730, 750, 0, | |
ee7925bb | 979 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), |
985e5dc2 | 980 | .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
981 | /* 63 - 1920x1080@120Hz */ |
982 | { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008, | |
983 | 2052, 2200, 0, 1080, 1084, 1089, 1125, 0, | |
ee7925bb | 984 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), |
985e5dc2 | 985 | .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
986 | /* 64 - 1920x1080@100Hz */ |
987 | { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448, | |
988 | 2492, 2640, 0, 1080, 1084, 1094, 1125, 0, | |
ee7925bb | 989 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), |
985e5dc2 | 990 | .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, |
a6b21831 TR |
991 | }; |
992 | ||
7ebe1963 | 993 | /* |
d9278b4c | 994 | * HDMI 1.4 4k modes. Index using the VIC. |
7ebe1963 LD |
995 | */ |
996 | static const struct drm_display_mode edid_4k_modes[] = { | |
d9278b4c JN |
997 | /* 0 - dummy, VICs start at 1 */ |
998 | { }, | |
7ebe1963 LD |
999 | /* 1 - 3840x2160@30Hz */ |
1000 | { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, | |
1001 | 3840, 4016, 4104, 4400, 0, | |
1002 | 2160, 2168, 2178, 2250, 0, | |
1003 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), | |
1004 | .vrefresh = 30, }, | |
1005 | /* 2 - 3840x2160@25Hz */ | |
1006 | { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, | |
1007 | 3840, 4896, 4984, 5280, 0, | |
1008 | 2160, 2168, 2178, 2250, 0, | |
1009 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), | |
1010 | .vrefresh = 25, }, | |
1011 | /* 3 - 3840x2160@24Hz */ | |
1012 | { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, | |
1013 | 3840, 5116, 5204, 5500, 0, | |
1014 | 2160, 2168, 2178, 2250, 0, | |
1015 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), | |
1016 | .vrefresh = 24, }, | |
1017 | /* 4 - 4096x2160@24Hz (SMPTE) */ | |
1018 | { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, | |
1019 | 4096, 5116, 5204, 5500, 0, | |
1020 | 2160, 2168, 2178, 2250, 0, | |
1021 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), | |
1022 | .vrefresh = 24, }, | |
1023 | }; | |
1024 | ||
61e57a8d | 1025 | /*** DDC fetch and block validation ***/ |
f453ba04 | 1026 | |
083ae056 AJ |
1027 | static const u8 edid_header[] = { |
1028 | 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00 | |
1029 | }; | |
f453ba04 | 1030 | |
db6cf833 TR |
1031 | /** |
1032 | * drm_edid_header_is_valid - sanity check the header of the base EDID block | |
1033 | * @raw_edid: pointer to raw base EDID block | |
1034 | * | |
1035 | * Sanity check the header of the base EDID block. | |
1036 | * | |
1037 | * Return: 8 if the header is perfect, down to 0 if it's totally wrong. | |
051963d4 TR |
1038 | */ |
1039 | int drm_edid_header_is_valid(const u8 *raw_edid) | |
1040 | { | |
1041 | int i, score = 0; | |
1042 | ||
1043 | for (i = 0; i < sizeof(edid_header); i++) | |
1044 | if (raw_edid[i] == edid_header[i]) | |
1045 | score++; | |
1046 | ||
1047 | return score; | |
1048 | } | |
1049 | EXPORT_SYMBOL(drm_edid_header_is_valid); | |
1050 | ||
47819ba2 AJ |
1051 | static int edid_fixup __read_mostly = 6; |
1052 | module_param_named(edid_fixup, edid_fixup, int, 0400); | |
1053 | MODULE_PARM_DESC(edid_fixup, | |
1054 | "Minimum number of valid EDID header bytes (0-8, default 6)"); | |
051963d4 | 1055 | |
40d9b043 DA |
1056 | static void drm_get_displayid(struct drm_connector *connector, |
1057 | struct edid *edid); | |
da9df2f4 | 1058 | |
c465bbc8 SB |
1059 | static int drm_edid_block_checksum(const u8 *raw_edid) |
1060 | { | |
1061 | int i; | |
1062 | u8 csum = 0; | |
1063 | for (i = 0; i < EDID_LENGTH; i++) | |
1064 | csum += raw_edid[i]; | |
1065 | ||
1066 | return csum; | |
1067 | } | |
1068 | ||
d6885d65 SB |
1069 | static bool drm_edid_is_zero(const u8 *in_edid, int length) |
1070 | { | |
1071 | if (memchr_inv(in_edid, 0, length)) | |
1072 | return false; | |
1073 | ||
1074 | return true; | |
1075 | } | |
1076 | ||
db6cf833 TR |
1077 | /** |
1078 | * drm_edid_block_valid - Sanity check the EDID block (base or extension) | |
1079 | * @raw_edid: pointer to raw EDID block | |
1080 | * @block: type of block to validate (0 for base, extension otherwise) | |
1081 | * @print_bad_edid: if true, dump bad EDID blocks to the console | |
6ba2bd3d | 1082 | * @edid_corrupt: if true, the header or checksum is invalid |
db6cf833 TR |
1083 | * |
1084 | * Validate a base or extension EDID block and optionally dump bad blocks to | |
1085 | * the console. | |
1086 | * | |
1087 | * Return: True if the block is valid, false otherwise. | |
f453ba04 | 1088 | */ |
6ba2bd3d TP |
1089 | bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid, |
1090 | bool *edid_corrupt) | |
f453ba04 | 1091 | { |
c465bbc8 | 1092 | u8 csum; |
61e57a8d | 1093 | struct edid *edid = (struct edid *)raw_edid; |
f453ba04 | 1094 | |
fe2ef780 SWK |
1095 | if (WARN_ON(!raw_edid)) |
1096 | return false; | |
1097 | ||
47819ba2 AJ |
1098 | if (edid_fixup > 8 || edid_fixup < 0) |
1099 | edid_fixup = 6; | |
1100 | ||
f89ec8a4 | 1101 | if (block == 0) { |
051963d4 | 1102 | int score = drm_edid_header_is_valid(raw_edid); |
6ba2bd3d TP |
1103 | if (score == 8) { |
1104 | if (edid_corrupt) | |
ac6f2e29 | 1105 | *edid_corrupt = false; |
6ba2bd3d TP |
1106 | } else if (score >= edid_fixup) { |
1107 | /* Displayport Link CTS Core 1.2 rev1.1 test 4.2.2.6 | |
1108 | * The corrupt flag needs to be set here otherwise, the | |
1109 | * fix-up code here will correct the problem, the | |
1110 | * checksum is correct and the test fails | |
1111 | */ | |
1112 | if (edid_corrupt) | |
ac6f2e29 | 1113 | *edid_corrupt = true; |
61e57a8d AJ |
1114 | DRM_DEBUG("Fixing EDID header, your hardware may be failing\n"); |
1115 | memcpy(raw_edid, edid_header, sizeof(edid_header)); | |
1116 | } else { | |
6ba2bd3d | 1117 | if (edid_corrupt) |
ac6f2e29 | 1118 | *edid_corrupt = true; |
61e57a8d AJ |
1119 | goto bad; |
1120 | } | |
1121 | } | |
f453ba04 | 1122 | |
c465bbc8 | 1123 | csum = drm_edid_block_checksum(raw_edid); |
f453ba04 | 1124 | if (csum) { |
0b2443ed JG |
1125 | if (print_bad_edid) { |
1126 | DRM_ERROR("EDID checksum is invalid, remainder is %d\n", csum); | |
1127 | } | |
4a638b4e | 1128 | |
6ba2bd3d | 1129 | if (edid_corrupt) |
ac6f2e29 | 1130 | *edid_corrupt = true; |
6ba2bd3d | 1131 | |
4a638b4e AJ |
1132 | /* allow CEA to slide through, switches mangle this */ |
1133 | if (raw_edid[0] != 0x02) | |
1134 | goto bad; | |
f453ba04 DA |
1135 | } |
1136 | ||
61e57a8d AJ |
1137 | /* per-block-type checks */ |
1138 | switch (raw_edid[0]) { | |
1139 | case 0: /* base */ | |
1140 | if (edid->version != 1) { | |
1141 | DRM_ERROR("EDID has major version %d, instead of 1\n", edid->version); | |
1142 | goto bad; | |
1143 | } | |
862b89c0 | 1144 | |
61e57a8d AJ |
1145 | if (edid->revision > 4) |
1146 | DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n"); | |
1147 | break; | |
862b89c0 | 1148 | |
61e57a8d AJ |
1149 | default: |
1150 | break; | |
1151 | } | |
47ee4ccf | 1152 | |
fe2ef780 | 1153 | return true; |
f453ba04 DA |
1154 | |
1155 | bad: | |
fe2ef780 | 1156 | if (print_bad_edid) { |
da4c07b7 SB |
1157 | if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) { |
1158 | printk(KERN_ERR "EDID block is all zeroes\n"); | |
1159 | } else { | |
1160 | printk(KERN_ERR "Raw EDID:\n"); | |
1161 | print_hex_dump(KERN_ERR, " \t", DUMP_PREFIX_NONE, 16, 1, | |
0aff47f2 | 1162 | raw_edid, EDID_LENGTH, false); |
da4c07b7 | 1163 | } |
f453ba04 | 1164 | } |
fe2ef780 | 1165 | return false; |
f453ba04 | 1166 | } |
da0df92b | 1167 | EXPORT_SYMBOL(drm_edid_block_valid); |
61e57a8d AJ |
1168 | |
1169 | /** | |
1170 | * drm_edid_is_valid - sanity check EDID data | |
1171 | * @edid: EDID data | |
1172 | * | |
1173 | * Sanity-check an entire EDID record (including extensions) | |
db6cf833 TR |
1174 | * |
1175 | * Return: True if the EDID data is valid, false otherwise. | |
61e57a8d AJ |
1176 | */ |
1177 | bool drm_edid_is_valid(struct edid *edid) | |
1178 | { | |
1179 | int i; | |
1180 | u8 *raw = (u8 *)edid; | |
1181 | ||
1182 | if (!edid) | |
1183 | return false; | |
1184 | ||
1185 | for (i = 0; i <= edid->extensions; i++) | |
6ba2bd3d | 1186 | if (!drm_edid_block_valid(raw + i * EDID_LENGTH, i, true, NULL)) |
61e57a8d AJ |
1187 | return false; |
1188 | ||
1189 | return true; | |
1190 | } | |
3c537889 | 1191 | EXPORT_SYMBOL(drm_edid_is_valid); |
f453ba04 | 1192 | |
61e57a8d AJ |
1193 | #define DDC_SEGMENT_ADDR 0x30 |
1194 | /** | |
db6cf833 | 1195 | * drm_do_probe_ddc_edid() - get EDID information via I2C |
7c58e87e | 1196 | * @data: I2C device adapter |
fc66811c DV |
1197 | * @buf: EDID data buffer to be filled |
1198 | * @block: 128 byte EDID block to start fetching from | |
1199 | * @len: EDID data buffer length to fetch | |
1200 | * | |
db6cf833 | 1201 | * Try to fetch EDID information by calling I2C driver functions. |
61e57a8d | 1202 | * |
db6cf833 | 1203 | * Return: 0 on success or -1 on failure. |
61e57a8d AJ |
1204 | */ |
1205 | static int | |
18df89fe | 1206 | drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len) |
61e57a8d | 1207 | { |
18df89fe | 1208 | struct i2c_adapter *adapter = data; |
61e57a8d | 1209 | unsigned char start = block * EDID_LENGTH; |
cd004b3f S |
1210 | unsigned char segment = block >> 1; |
1211 | unsigned char xfers = segment ? 3 : 2; | |
4819d2e4 CW |
1212 | int ret, retries = 5; |
1213 | ||
db6cf833 TR |
1214 | /* |
1215 | * The core I2C driver will automatically retry the transfer if the | |
4819d2e4 CW |
1216 | * adapter reports EAGAIN. However, we find that bit-banging transfers |
1217 | * are susceptible to errors under a heavily loaded machine and | |
1218 | * generate spurious NAKs and timeouts. Retrying the transfer | |
1219 | * of the individual block a few times seems to overcome this. | |
1220 | */ | |
1221 | do { | |
1222 | struct i2c_msg msgs[] = { | |
1223 | { | |
cd004b3f S |
1224 | .addr = DDC_SEGMENT_ADDR, |
1225 | .flags = 0, | |
1226 | .len = 1, | |
1227 | .buf = &segment, | |
1228 | }, { | |
4819d2e4 CW |
1229 | .addr = DDC_ADDR, |
1230 | .flags = 0, | |
1231 | .len = 1, | |
1232 | .buf = &start, | |
1233 | }, { | |
1234 | .addr = DDC_ADDR, | |
1235 | .flags = I2C_M_RD, | |
1236 | .len = len, | |
1237 | .buf = buf, | |
1238 | } | |
1239 | }; | |
cd004b3f | 1240 | |
db6cf833 TR |
1241 | /* |
1242 | * Avoid sending the segment addr to not upset non-compliant | |
1243 | * DDC monitors. | |
1244 | */ | |
cd004b3f S |
1245 | ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers); |
1246 | ||
9292f37e ED |
1247 | if (ret == -ENXIO) { |
1248 | DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n", | |
1249 | adapter->name); | |
1250 | break; | |
1251 | } | |
cd004b3f | 1252 | } while (ret != xfers && --retries); |
4819d2e4 | 1253 | |
cd004b3f | 1254 | return ret == xfers ? 0 : -1; |
61e57a8d AJ |
1255 | } |
1256 | ||
18df89fe LPC |
1257 | /** |
1258 | * drm_do_get_edid - get EDID data using a custom EDID block read function | |
1259 | * @connector: connector we're probing | |
1260 | * @get_edid_block: EDID block read function | |
1261 | * @data: private data passed to the block read function | |
1262 | * | |
1263 | * When the I2C adapter connected to the DDC bus is hidden behind a device that | |
1264 | * exposes a different interface to read EDID blocks this function can be used | |
1265 | * to get EDID data using a custom block read function. | |
1266 | * | |
1267 | * As in the general case the DDC bus is accessible by the kernel at the I2C | |
1268 | * level, drivers must make all reasonable efforts to expose it as an I2C | |
1269 | * adapter and use drm_get_edid() instead of abusing this function. | |
1270 | * | |
1271 | * Return: Pointer to valid EDID or NULL if we couldn't find any. | |
1272 | */ | |
1273 | struct edid *drm_do_get_edid(struct drm_connector *connector, | |
1274 | int (*get_edid_block)(void *data, u8 *buf, unsigned int block, | |
1275 | size_t len), | |
1276 | void *data) | |
61e57a8d | 1277 | { |
0ea75e23 | 1278 | int i, j = 0, valid_extensions = 0; |
61e57a8d | 1279 | u8 *block, *new; |
0b2443ed | 1280 | bool print_bad_edid = !connector->bad_edid_counter || (drm_debug & DRM_UT_KMS); |
61e57a8d AJ |
1281 | |
1282 | if ((block = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL) | |
1283 | return NULL; | |
1284 | ||
1285 | /* base block fetch */ | |
1286 | for (i = 0; i < 4; i++) { | |
18df89fe | 1287 | if (get_edid_block(data, block, 0, EDID_LENGTH)) |
61e57a8d | 1288 | goto out; |
6ba2bd3d TP |
1289 | if (drm_edid_block_valid(block, 0, print_bad_edid, |
1290 | &connector->edid_corrupt)) | |
61e57a8d | 1291 | break; |
4a9a8b71 DA |
1292 | if (i == 0 && drm_edid_is_zero(block, EDID_LENGTH)) { |
1293 | connector->null_edid_counter++; | |
1294 | goto carp; | |
1295 | } | |
61e57a8d AJ |
1296 | } |
1297 | if (i == 4) | |
1298 | goto carp; | |
1299 | ||
1300 | /* if there's no extensions, we're done */ | |
1301 | if (block[0x7e] == 0) | |
18df89fe | 1302 | return (struct edid *)block; |
61e57a8d AJ |
1303 | |
1304 | new = krealloc(block, (block[0x7e] + 1) * EDID_LENGTH, GFP_KERNEL); | |
1305 | if (!new) | |
1306 | goto out; | |
1307 | block = new; | |
1308 | ||
1309 | for (j = 1; j <= block[0x7e]; j++) { | |
1310 | for (i = 0; i < 4; i++) { | |
18df89fe | 1311 | if (get_edid_block(data, |
0ea75e23 ST |
1312 | block + (valid_extensions + 1) * EDID_LENGTH, |
1313 | j, EDID_LENGTH)) | |
61e57a8d | 1314 | goto out; |
6ba2bd3d TP |
1315 | if (drm_edid_block_valid(block + (valid_extensions + 1) |
1316 | * EDID_LENGTH, j, | |
1317 | print_bad_edid, | |
1318 | NULL)) { | |
0ea75e23 | 1319 | valid_extensions++; |
61e57a8d | 1320 | break; |
0ea75e23 | 1321 | } |
61e57a8d | 1322 | } |
f934ec8c ML |
1323 | |
1324 | if (i == 4 && print_bad_edid) { | |
0ea75e23 ST |
1325 | dev_warn(connector->dev->dev, |
1326 | "%s: Ignoring invalid EDID block %d.\n", | |
25933820 | 1327 | connector->name, j); |
f934ec8c ML |
1328 | |
1329 | connector->bad_edid_counter++; | |
1330 | } | |
0ea75e23 ST |
1331 | } |
1332 | ||
1333 | if (valid_extensions != block[0x7e]) { | |
1334 | block[EDID_LENGTH-1] += block[0x7e] - valid_extensions; | |
1335 | block[0x7e] = valid_extensions; | |
1336 | new = krealloc(block, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL); | |
1337 | if (!new) | |
1338 | goto out; | |
1339 | block = new; | |
61e57a8d AJ |
1340 | } |
1341 | ||
18df89fe | 1342 | return (struct edid *)block; |
61e57a8d AJ |
1343 | |
1344 | carp: | |
0b2443ed JG |
1345 | if (print_bad_edid) { |
1346 | dev_warn(connector->dev->dev, "%s: EDID block %d invalid.\n", | |
25933820 | 1347 | connector->name, j); |
0b2443ed JG |
1348 | } |
1349 | connector->bad_edid_counter++; | |
61e57a8d AJ |
1350 | |
1351 | out: | |
1352 | kfree(block); | |
1353 | return NULL; | |
1354 | } | |
18df89fe | 1355 | EXPORT_SYMBOL_GPL(drm_do_get_edid); |
61e57a8d AJ |
1356 | |
1357 | /** | |
db6cf833 TR |
1358 | * drm_probe_ddc() - probe DDC presence |
1359 | * @adapter: I2C adapter to probe | |
fc66811c | 1360 | * |
db6cf833 | 1361 | * Return: True on success, false on failure. |
61e57a8d | 1362 | */ |
fbff4690 | 1363 | bool |
61e57a8d AJ |
1364 | drm_probe_ddc(struct i2c_adapter *adapter) |
1365 | { | |
1366 | unsigned char out; | |
1367 | ||
1368 | return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0); | |
1369 | } | |
fbff4690 | 1370 | EXPORT_SYMBOL(drm_probe_ddc); |
61e57a8d AJ |
1371 | |
1372 | /** | |
1373 | * drm_get_edid - get EDID data, if available | |
1374 | * @connector: connector we're probing | |
db6cf833 | 1375 | * @adapter: I2C adapter to use for DDC |
61e57a8d | 1376 | * |
db6cf833 | 1377 | * Poke the given I2C channel to grab EDID data if possible. If found, |
61e57a8d AJ |
1378 | * attach it to the connector. |
1379 | * | |
db6cf833 | 1380 | * Return: Pointer to valid EDID or NULL if we couldn't find any. |
61e57a8d AJ |
1381 | */ |
1382 | struct edid *drm_get_edid(struct drm_connector *connector, | |
1383 | struct i2c_adapter *adapter) | |
1384 | { | |
40d9b043 DA |
1385 | struct edid *edid; |
1386 | ||
18df89fe LPC |
1387 | if (!drm_probe_ddc(adapter)) |
1388 | return NULL; | |
61e57a8d | 1389 | |
40d9b043 DA |
1390 | edid = drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter); |
1391 | if (edid) | |
1392 | drm_get_displayid(connector, edid); | |
1393 | return edid; | |
61e57a8d AJ |
1394 | } |
1395 | EXPORT_SYMBOL(drm_get_edid); | |
1396 | ||
51f8da59 JN |
1397 | /** |
1398 | * drm_edid_duplicate - duplicate an EDID and the extensions | |
1399 | * @edid: EDID to duplicate | |
1400 | * | |
db6cf833 | 1401 | * Return: Pointer to duplicated EDID or NULL on allocation failure. |
51f8da59 JN |
1402 | */ |
1403 | struct edid *drm_edid_duplicate(const struct edid *edid) | |
1404 | { | |
1405 | return kmemdup(edid, (edid->extensions + 1) * EDID_LENGTH, GFP_KERNEL); | |
1406 | } | |
1407 | EXPORT_SYMBOL(drm_edid_duplicate); | |
1408 | ||
61e57a8d AJ |
1409 | /*** EDID parsing ***/ |
1410 | ||
f453ba04 DA |
1411 | /** |
1412 | * edid_vendor - match a string against EDID's obfuscated vendor field | |
1413 | * @edid: EDID to match | |
1414 | * @vendor: vendor string | |
1415 | * | |
1416 | * Returns true if @vendor is in @edid, false otherwise | |
1417 | */ | |
1418 | static bool edid_vendor(struct edid *edid, char *vendor) | |
1419 | { | |
1420 | char edid_vendor[3]; | |
1421 | ||
1422 | edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@'; | |
1423 | edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) | | |
1424 | ((edid->mfg_id[1] & 0xe0) >> 5)) + '@'; | |
16456c87 | 1425 | edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@'; |
f453ba04 DA |
1426 | |
1427 | return !strncmp(edid_vendor, vendor, 3); | |
1428 | } | |
1429 | ||
1430 | /** | |
1431 | * edid_get_quirks - return quirk flags for a given EDID | |
1432 | * @edid: EDID to process | |
1433 | * | |
1434 | * This tells subsequent routines what fixes they need to apply. | |
1435 | */ | |
1436 | static u32 edid_get_quirks(struct edid *edid) | |
1437 | { | |
1438 | struct edid_quirk *quirk; | |
1439 | int i; | |
1440 | ||
1441 | for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) { | |
1442 | quirk = &edid_quirk_list[i]; | |
1443 | ||
1444 | if (edid_vendor(edid, quirk->vendor) && | |
1445 | (EDID_PRODUCT_ID(edid) == quirk->product_id)) | |
1446 | return quirk->quirks; | |
1447 | } | |
1448 | ||
1449 | return 0; | |
1450 | } | |
1451 | ||
1452 | #define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay) | |
339d202c | 1453 | #define MODE_REFRESH_DIFF(c,t) (abs((c) - (t))) |
f453ba04 | 1454 | |
f453ba04 DA |
1455 | /** |
1456 | * edid_fixup_preferred - set preferred modes based on quirk list | |
1457 | * @connector: has mode list to fix up | |
1458 | * @quirks: quirks list | |
1459 | * | |
1460 | * Walk the mode list for @connector, clearing the preferred status | |
1461 | * on existing modes and setting it anew for the right mode ala @quirks. | |
1462 | */ | |
1463 | static void edid_fixup_preferred(struct drm_connector *connector, | |
1464 | u32 quirks) | |
1465 | { | |
1466 | struct drm_display_mode *t, *cur_mode, *preferred_mode; | |
f890607b | 1467 | int target_refresh = 0; |
339d202c | 1468 | int cur_vrefresh, preferred_vrefresh; |
f453ba04 DA |
1469 | |
1470 | if (list_empty(&connector->probed_modes)) | |
1471 | return; | |
1472 | ||
1473 | if (quirks & EDID_QUIRK_PREFER_LARGE_60) | |
1474 | target_refresh = 60; | |
1475 | if (quirks & EDID_QUIRK_PREFER_LARGE_75) | |
1476 | target_refresh = 75; | |
1477 | ||
1478 | preferred_mode = list_first_entry(&connector->probed_modes, | |
1479 | struct drm_display_mode, head); | |
1480 | ||
1481 | list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) { | |
1482 | cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED; | |
1483 | ||
1484 | if (cur_mode == preferred_mode) | |
1485 | continue; | |
1486 | ||
1487 | /* Largest mode is preferred */ | |
1488 | if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode)) | |
1489 | preferred_mode = cur_mode; | |
1490 | ||
339d202c AD |
1491 | cur_vrefresh = cur_mode->vrefresh ? |
1492 | cur_mode->vrefresh : drm_mode_vrefresh(cur_mode); | |
1493 | preferred_vrefresh = preferred_mode->vrefresh ? | |
1494 | preferred_mode->vrefresh : drm_mode_vrefresh(preferred_mode); | |
f453ba04 DA |
1495 | /* At a given size, try to get closest to target refresh */ |
1496 | if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) && | |
339d202c AD |
1497 | MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) < |
1498 | MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) { | |
f453ba04 DA |
1499 | preferred_mode = cur_mode; |
1500 | } | |
1501 | } | |
1502 | ||
1503 | preferred_mode->type |= DRM_MODE_TYPE_PREFERRED; | |
1504 | } | |
1505 | ||
f6e252ba AJ |
1506 | static bool |
1507 | mode_is_rb(const struct drm_display_mode *mode) | |
1508 | { | |
1509 | return (mode->htotal - mode->hdisplay == 160) && | |
1510 | (mode->hsync_end - mode->hdisplay == 80) && | |
1511 | (mode->hsync_end - mode->hsync_start == 32) && | |
1512 | (mode->vsync_start - mode->vdisplay == 3); | |
1513 | } | |
1514 | ||
33c7531d AJ |
1515 | /* |
1516 | * drm_mode_find_dmt - Create a copy of a mode if present in DMT | |
1517 | * @dev: Device to duplicate against | |
1518 | * @hsize: Mode width | |
1519 | * @vsize: Mode height | |
1520 | * @fresh: Mode refresh rate | |
f6e252ba | 1521 | * @rb: Mode reduced-blanking-ness |
33c7531d AJ |
1522 | * |
1523 | * Walk the DMT mode list looking for a match for the given parameters. | |
db6cf833 TR |
1524 | * |
1525 | * Return: A newly allocated copy of the mode, or NULL if not found. | |
33c7531d | 1526 | */ |
1d42bbc8 | 1527 | struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev, |
f6e252ba AJ |
1528 | int hsize, int vsize, int fresh, |
1529 | bool rb) | |
559ee21d | 1530 | { |
07a5e632 | 1531 | int i; |
559ee21d | 1532 | |
a6b21831 | 1533 | for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) { |
b1f559ec | 1534 | const struct drm_display_mode *ptr = &drm_dmt_modes[i]; |
f8b46a05 AJ |
1535 | if (hsize != ptr->hdisplay) |
1536 | continue; | |
1537 | if (vsize != ptr->vdisplay) | |
1538 | continue; | |
1539 | if (fresh != drm_mode_vrefresh(ptr)) | |
1540 | continue; | |
f6e252ba AJ |
1541 | if (rb != mode_is_rb(ptr)) |
1542 | continue; | |
f8b46a05 AJ |
1543 | |
1544 | return drm_mode_duplicate(dev, ptr); | |
559ee21d | 1545 | } |
f8b46a05 AJ |
1546 | |
1547 | return NULL; | |
559ee21d | 1548 | } |
1d42bbc8 | 1549 | EXPORT_SYMBOL(drm_mode_find_dmt); |
23425cae | 1550 | |
d1ff6409 AJ |
1551 | typedef void detailed_cb(struct detailed_timing *timing, void *closure); |
1552 | ||
4d76a221 AJ |
1553 | static void |
1554 | cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure) | |
1555 | { | |
1556 | int i, n = 0; | |
4966b2a9 | 1557 | u8 d = ext[0x02]; |
4d76a221 AJ |
1558 | u8 *det_base = ext + d; |
1559 | ||
4966b2a9 | 1560 | n = (127 - d) / 18; |
4d76a221 AJ |
1561 | for (i = 0; i < n; i++) |
1562 | cb((struct detailed_timing *)(det_base + 18 * i), closure); | |
1563 | } | |
1564 | ||
cbba98f8 AJ |
1565 | static void |
1566 | vtb_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure) | |
1567 | { | |
1568 | unsigned int i, n = min((int)ext[0x02], 6); | |
1569 | u8 *det_base = ext + 5; | |
1570 | ||
1571 | if (ext[0x01] != 1) | |
1572 | return; /* unknown version */ | |
1573 | ||
1574 | for (i = 0; i < n; i++) | |
1575 | cb((struct detailed_timing *)(det_base + 18 * i), closure); | |
1576 | } | |
1577 | ||
d1ff6409 AJ |
1578 | static void |
1579 | drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure) | |
1580 | { | |
1581 | int i; | |
1582 | struct edid *edid = (struct edid *)raw_edid; | |
1583 | ||
1584 | if (edid == NULL) | |
1585 | return; | |
1586 | ||
1587 | for (i = 0; i < EDID_DETAILED_TIMINGS; i++) | |
1588 | cb(&(edid->detailed_timings[i]), closure); | |
1589 | ||
4d76a221 AJ |
1590 | for (i = 1; i <= raw_edid[0x7e]; i++) { |
1591 | u8 *ext = raw_edid + (i * EDID_LENGTH); | |
1592 | switch (*ext) { | |
1593 | case CEA_EXT: | |
1594 | cea_for_each_detailed_block(ext, cb, closure); | |
1595 | break; | |
cbba98f8 AJ |
1596 | case VTB_EXT: |
1597 | vtb_for_each_detailed_block(ext, cb, closure); | |
1598 | break; | |
4d76a221 AJ |
1599 | default: |
1600 | break; | |
1601 | } | |
1602 | } | |
d1ff6409 AJ |
1603 | } |
1604 | ||
1605 | static void | |
1606 | is_rb(struct detailed_timing *t, void *data) | |
1607 | { | |
1608 | u8 *r = (u8 *)t; | |
1609 | if (r[3] == EDID_DETAIL_MONITOR_RANGE) | |
1610 | if (r[15] & 0x10) | |
1611 | *(bool *)data = true; | |
1612 | } | |
1613 | ||
1614 | /* EDID 1.4 defines this explicitly. For EDID 1.3, we guess, badly. */ | |
1615 | static bool | |
1616 | drm_monitor_supports_rb(struct edid *edid) | |
1617 | { | |
1618 | if (edid->revision >= 4) { | |
b196a498 | 1619 | bool ret = false; |
d1ff6409 AJ |
1620 | drm_for_each_detailed_block((u8 *)edid, is_rb, &ret); |
1621 | return ret; | |
1622 | } | |
1623 | ||
1624 | return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0); | |
1625 | } | |
1626 | ||
7a374350 AJ |
1627 | static void |
1628 | find_gtf2(struct detailed_timing *t, void *data) | |
1629 | { | |
1630 | u8 *r = (u8 *)t; | |
1631 | if (r[3] == EDID_DETAIL_MONITOR_RANGE && r[10] == 0x02) | |
1632 | *(u8 **)data = r; | |
1633 | } | |
1634 | ||
1635 | /* Secondary GTF curve kicks in above some break frequency */ | |
1636 | static int | |
1637 | drm_gtf2_hbreak(struct edid *edid) | |
1638 | { | |
1639 | u8 *r = NULL; | |
1640 | drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r); | |
1641 | return r ? (r[12] * 2) : 0; | |
1642 | } | |
1643 | ||
1644 | static int | |
1645 | drm_gtf2_2c(struct edid *edid) | |
1646 | { | |
1647 | u8 *r = NULL; | |
1648 | drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r); | |
1649 | return r ? r[13] : 0; | |
1650 | } | |
1651 | ||
1652 | static int | |
1653 | drm_gtf2_m(struct edid *edid) | |
1654 | { | |
1655 | u8 *r = NULL; | |
1656 | drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r); | |
1657 | return r ? (r[15] << 8) + r[14] : 0; | |
1658 | } | |
1659 | ||
1660 | static int | |
1661 | drm_gtf2_k(struct edid *edid) | |
1662 | { | |
1663 | u8 *r = NULL; | |
1664 | drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r); | |
1665 | return r ? r[16] : 0; | |
1666 | } | |
1667 | ||
1668 | static int | |
1669 | drm_gtf2_2j(struct edid *edid) | |
1670 | { | |
1671 | u8 *r = NULL; | |
1672 | drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r); | |
1673 | return r ? r[17] : 0; | |
1674 | } | |
1675 | ||
1676 | /** | |
1677 | * standard_timing_level - get std. timing level(CVT/GTF/DMT) | |
1678 | * @edid: EDID block to scan | |
1679 | */ | |
1680 | static int standard_timing_level(struct edid *edid) | |
1681 | { | |
1682 | if (edid->revision >= 2) { | |
1683 | if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)) | |
1684 | return LEVEL_CVT; | |
1685 | if (drm_gtf2_hbreak(edid)) | |
1686 | return LEVEL_GTF2; | |
1687 | return LEVEL_GTF; | |
1688 | } | |
1689 | return LEVEL_DMT; | |
1690 | } | |
1691 | ||
23425cae AJ |
1692 | /* |
1693 | * 0 is reserved. The spec says 0x01 fill for unused timings. Some old | |
1694 | * monitors fill with ascii space (0x20) instead. | |
1695 | */ | |
1696 | static int | |
1697 | bad_std_timing(u8 a, u8 b) | |
1698 | { | |
1699 | return (a == 0x00 && b == 0x00) || | |
1700 | (a == 0x01 && b == 0x01) || | |
1701 | (a == 0x20 && b == 0x20); | |
1702 | } | |
1703 | ||
f453ba04 DA |
1704 | /** |
1705 | * drm_mode_std - convert standard mode info (width, height, refresh) into mode | |
fc66811c DV |
1706 | * @connector: connector of for the EDID block |
1707 | * @edid: EDID block to scan | |
f453ba04 DA |
1708 | * @t: standard timing params |
1709 | * | |
1710 | * Take the standard timing params (in this case width, aspect, and refresh) | |
5c61259e | 1711 | * and convert them into a real mode using CVT/GTF/DMT. |
f453ba04 | 1712 | */ |
7ca6adb3 | 1713 | static struct drm_display_mode * |
7a374350 | 1714 | drm_mode_std(struct drm_connector *connector, struct edid *edid, |
464fdeca | 1715 | struct std_timing *t) |
f453ba04 | 1716 | { |
7ca6adb3 AJ |
1717 | struct drm_device *dev = connector->dev; |
1718 | struct drm_display_mode *m, *mode = NULL; | |
5c61259e ZY |
1719 | int hsize, vsize; |
1720 | int vrefresh_rate; | |
0454beab MD |
1721 | unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK) |
1722 | >> EDID_TIMING_ASPECT_SHIFT; | |
5c61259e ZY |
1723 | unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK) |
1724 | >> EDID_TIMING_VFREQ_SHIFT; | |
7a374350 | 1725 | int timing_level = standard_timing_level(edid); |
5c61259e | 1726 | |
23425cae AJ |
1727 | if (bad_std_timing(t->hsize, t->vfreq_aspect)) |
1728 | return NULL; | |
1729 | ||
5c61259e ZY |
1730 | /* According to the EDID spec, the hdisplay = hsize * 8 + 248 */ |
1731 | hsize = t->hsize * 8 + 248; | |
1732 | /* vrefresh_rate = vfreq + 60 */ | |
1733 | vrefresh_rate = vfreq + 60; | |
1734 | /* the vdisplay is calculated based on the aspect ratio */ | |
f066a17d | 1735 | if (aspect_ratio == 0) { |
464fdeca | 1736 | if (edid->revision < 3) |
f066a17d AJ |
1737 | vsize = hsize; |
1738 | else | |
1739 | vsize = (hsize * 10) / 16; | |
1740 | } else if (aspect_ratio == 1) | |
f453ba04 | 1741 | vsize = (hsize * 3) / 4; |
0454beab | 1742 | else if (aspect_ratio == 2) |
f453ba04 DA |
1743 | vsize = (hsize * 4) / 5; |
1744 | else | |
1745 | vsize = (hsize * 9) / 16; | |
a0910c8e AJ |
1746 | |
1747 | /* HDTV hack, part 1 */ | |
1748 | if (vrefresh_rate == 60 && | |
1749 | ((hsize == 1360 && vsize == 765) || | |
1750 | (hsize == 1368 && vsize == 769))) { | |
1751 | hsize = 1366; | |
1752 | vsize = 768; | |
1753 | } | |
1754 | ||
7ca6adb3 AJ |
1755 | /* |
1756 | * If this connector already has a mode for this size and refresh | |
1757 | * rate (because it came from detailed or CVT info), use that | |
1758 | * instead. This way we don't have to guess at interlace or | |
1759 | * reduced blanking. | |
1760 | */ | |
522032da | 1761 | list_for_each_entry(m, &connector->probed_modes, head) |
7ca6adb3 AJ |
1762 | if (m->hdisplay == hsize && m->vdisplay == vsize && |
1763 | drm_mode_vrefresh(m) == vrefresh_rate) | |
1764 | return NULL; | |
1765 | ||
a0910c8e AJ |
1766 | /* HDTV hack, part 2 */ |
1767 | if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) { | |
1768 | mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0, | |
d50ba256 | 1769 | false); |
559ee21d | 1770 | mode->hdisplay = 1366; |
a4967de6 AJ |
1771 | mode->hsync_start = mode->hsync_start - 1; |
1772 | mode->hsync_end = mode->hsync_end - 1; | |
559ee21d ZY |
1773 | return mode; |
1774 | } | |
a0910c8e | 1775 | |
559ee21d | 1776 | /* check whether it can be found in default mode table */ |
f6e252ba AJ |
1777 | if (drm_monitor_supports_rb(edid)) { |
1778 | mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, | |
1779 | true); | |
1780 | if (mode) | |
1781 | return mode; | |
1782 | } | |
1783 | mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, false); | |
559ee21d ZY |
1784 | if (mode) |
1785 | return mode; | |
1786 | ||
f6e252ba | 1787 | /* okay, generate it */ |
5c61259e ZY |
1788 | switch (timing_level) { |
1789 | case LEVEL_DMT: | |
5c61259e ZY |
1790 | break; |
1791 | case LEVEL_GTF: | |
1792 | mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0); | |
1793 | break; | |
7a374350 AJ |
1794 | case LEVEL_GTF2: |
1795 | /* | |
1796 | * This is potentially wrong if there's ever a monitor with | |
1797 | * more than one ranges section, each claiming a different | |
1798 | * secondary GTF curve. Please don't do that. | |
1799 | */ | |
1800 | mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0); | |
fc48f169 TI |
1801 | if (!mode) |
1802 | return NULL; | |
7a374350 | 1803 | if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) { |
aefd330e | 1804 | drm_mode_destroy(dev, mode); |
7a374350 AJ |
1805 | mode = drm_gtf_mode_complex(dev, hsize, vsize, |
1806 | vrefresh_rate, 0, 0, | |
1807 | drm_gtf2_m(edid), | |
1808 | drm_gtf2_2c(edid), | |
1809 | drm_gtf2_k(edid), | |
1810 | drm_gtf2_2j(edid)); | |
1811 | } | |
1812 | break; | |
5c61259e | 1813 | case LEVEL_CVT: |
d50ba256 DA |
1814 | mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0, |
1815 | false); | |
5c61259e ZY |
1816 | break; |
1817 | } | |
f453ba04 DA |
1818 | return mode; |
1819 | } | |
1820 | ||
b58db2c6 AJ |
1821 | /* |
1822 | * EDID is delightfully ambiguous about how interlaced modes are to be | |
1823 | * encoded. Our internal representation is of frame height, but some | |
1824 | * HDTV detailed timings are encoded as field height. | |
1825 | * | |
1826 | * The format list here is from CEA, in frame size. Technically we | |
1827 | * should be checking refresh rate too. Whatever. | |
1828 | */ | |
1829 | static void | |
1830 | drm_mode_do_interlace_quirk(struct drm_display_mode *mode, | |
1831 | struct detailed_pixel_timing *pt) | |
1832 | { | |
1833 | int i; | |
1834 | static const struct { | |
1835 | int w, h; | |
1836 | } cea_interlaced[] = { | |
1837 | { 1920, 1080 }, | |
1838 | { 720, 480 }, | |
1839 | { 1440, 480 }, | |
1840 | { 2880, 480 }, | |
1841 | { 720, 576 }, | |
1842 | { 1440, 576 }, | |
1843 | { 2880, 576 }, | |
1844 | }; | |
b58db2c6 AJ |
1845 | |
1846 | if (!(pt->misc & DRM_EDID_PT_INTERLACED)) | |
1847 | return; | |
1848 | ||
3c581411 | 1849 | for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) { |
b58db2c6 AJ |
1850 | if ((mode->hdisplay == cea_interlaced[i].w) && |
1851 | (mode->vdisplay == cea_interlaced[i].h / 2)) { | |
1852 | mode->vdisplay *= 2; | |
1853 | mode->vsync_start *= 2; | |
1854 | mode->vsync_end *= 2; | |
1855 | mode->vtotal *= 2; | |
1856 | mode->vtotal |= 1; | |
1857 | } | |
1858 | } | |
1859 | ||
1860 | mode->flags |= DRM_MODE_FLAG_INTERLACE; | |
1861 | } | |
1862 | ||
f453ba04 DA |
1863 | /** |
1864 | * drm_mode_detailed - create a new mode from an EDID detailed timing section | |
1865 | * @dev: DRM device (needed to create new mode) | |
1866 | * @edid: EDID block | |
1867 | * @timing: EDID detailed timing info | |
1868 | * @quirks: quirks to apply | |
1869 | * | |
1870 | * An EDID detailed timing block contains enough info for us to create and | |
1871 | * return a new struct drm_display_mode. | |
1872 | */ | |
1873 | static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev, | |
1874 | struct edid *edid, | |
1875 | struct detailed_timing *timing, | |
1876 | u32 quirks) | |
1877 | { | |
1878 | struct drm_display_mode *mode; | |
1879 | struct detailed_pixel_timing *pt = &timing->data.pixel_data; | |
0454beab MD |
1880 | unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo; |
1881 | unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo; | |
1882 | unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo; | |
1883 | unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo; | |
e14cbee4 MD |
1884 | unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo; |
1885 | unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo; | |
16dad1d7 | 1886 | unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4; |
e14cbee4 | 1887 | unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf); |
f453ba04 | 1888 | |
fc438966 | 1889 | /* ignore tiny modes */ |
0454beab | 1890 | if (hactive < 64 || vactive < 64) |
fc438966 AJ |
1891 | return NULL; |
1892 | ||
0454beab | 1893 | if (pt->misc & DRM_EDID_PT_STEREO) { |
c7d015f3 | 1894 | DRM_DEBUG_KMS("stereo mode not supported\n"); |
f453ba04 DA |
1895 | return NULL; |
1896 | } | |
0454beab | 1897 | if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) { |
c7d015f3 | 1898 | DRM_DEBUG_KMS("composite sync not supported\n"); |
f453ba04 DA |
1899 | } |
1900 | ||
fcb45611 ZY |
1901 | /* it is incorrect if hsync/vsync width is zero */ |
1902 | if (!hsync_pulse_width || !vsync_pulse_width) { | |
1903 | DRM_DEBUG_KMS("Incorrect Detailed timing. " | |
1904 | "Wrong Hsync/Vsync pulse width\n"); | |
1905 | return NULL; | |
1906 | } | |
bc42aabc AJ |
1907 | |
1908 | if (quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) { | |
1909 | mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false); | |
1910 | if (!mode) | |
1911 | return NULL; | |
1912 | ||
1913 | goto set_size; | |
1914 | } | |
1915 | ||
f453ba04 DA |
1916 | mode = drm_mode_create(dev); |
1917 | if (!mode) | |
1918 | return NULL; | |
1919 | ||
f453ba04 | 1920 | if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH) |
0454beab MD |
1921 | timing->pixel_clock = cpu_to_le16(1088); |
1922 | ||
1923 | mode->clock = le16_to_cpu(timing->pixel_clock) * 10; | |
1924 | ||
1925 | mode->hdisplay = hactive; | |
1926 | mode->hsync_start = mode->hdisplay + hsync_offset; | |
1927 | mode->hsync_end = mode->hsync_start + hsync_pulse_width; | |
1928 | mode->htotal = mode->hdisplay + hblank; | |
1929 | ||
1930 | mode->vdisplay = vactive; | |
1931 | mode->vsync_start = mode->vdisplay + vsync_offset; | |
1932 | mode->vsync_end = mode->vsync_start + vsync_pulse_width; | |
1933 | mode->vtotal = mode->vdisplay + vblank; | |
f453ba04 | 1934 | |
7064fef5 JB |
1935 | /* Some EDIDs have bogus h/vtotal values */ |
1936 | if (mode->hsync_end > mode->htotal) | |
1937 | mode->htotal = mode->hsync_end + 1; | |
1938 | if (mode->vsync_end > mode->vtotal) | |
1939 | mode->vtotal = mode->vsync_end + 1; | |
1940 | ||
b58db2c6 | 1941 | drm_mode_do_interlace_quirk(mode, pt); |
f453ba04 DA |
1942 | |
1943 | if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) { | |
0454beab | 1944 | pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE; |
f453ba04 DA |
1945 | } |
1946 | ||
0454beab MD |
1947 | mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ? |
1948 | DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC; | |
1949 | mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ? | |
1950 | DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC; | |
f453ba04 | 1951 | |
bc42aabc | 1952 | set_size: |
e14cbee4 MD |
1953 | mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4; |
1954 | mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8; | |
f453ba04 DA |
1955 | |
1956 | if (quirks & EDID_QUIRK_DETAILED_IN_CM) { | |
1957 | mode->width_mm *= 10; | |
1958 | mode->height_mm *= 10; | |
1959 | } | |
1960 | ||
1961 | if (quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) { | |
1962 | mode->width_mm = edid->width_cm * 10; | |
1963 | mode->height_mm = edid->height_cm * 10; | |
1964 | } | |
1965 | ||
bc42aabc | 1966 | mode->type = DRM_MODE_TYPE_DRIVER; |
c19b3b0f | 1967 | mode->vrefresh = drm_mode_vrefresh(mode); |
bc42aabc AJ |
1968 | drm_mode_set_name(mode); |
1969 | ||
f453ba04 DA |
1970 | return mode; |
1971 | } | |
1972 | ||
b17e52ef | 1973 | static bool |
b1f559ec CW |
1974 | mode_in_hsync_range(const struct drm_display_mode *mode, |
1975 | struct edid *edid, u8 *t) | |
b17e52ef AJ |
1976 | { |
1977 | int hsync, hmin, hmax; | |
1978 | ||
1979 | hmin = t[7]; | |
1980 | if (edid->revision >= 4) | |
1981 | hmin += ((t[4] & 0x04) ? 255 : 0); | |
1982 | hmax = t[8]; | |
1983 | if (edid->revision >= 4) | |
1984 | hmax += ((t[4] & 0x08) ? 255 : 0); | |
07a5e632 | 1985 | hsync = drm_mode_hsync(mode); |
07a5e632 | 1986 | |
b17e52ef AJ |
1987 | return (hsync <= hmax && hsync >= hmin); |
1988 | } | |
1989 | ||
1990 | static bool | |
b1f559ec CW |
1991 | mode_in_vsync_range(const struct drm_display_mode *mode, |
1992 | struct edid *edid, u8 *t) | |
b17e52ef AJ |
1993 | { |
1994 | int vsync, vmin, vmax; | |
1995 | ||
1996 | vmin = t[5]; | |
1997 | if (edid->revision >= 4) | |
1998 | vmin += ((t[4] & 0x01) ? 255 : 0); | |
1999 | vmax = t[6]; | |
2000 | if (edid->revision >= 4) | |
2001 | vmax += ((t[4] & 0x02) ? 255 : 0); | |
2002 | vsync = drm_mode_vrefresh(mode); | |
2003 | ||
2004 | return (vsync <= vmax && vsync >= vmin); | |
2005 | } | |
2006 | ||
2007 | static u32 | |
2008 | range_pixel_clock(struct edid *edid, u8 *t) | |
2009 | { | |
2010 | /* unspecified */ | |
2011 | if (t[9] == 0 || t[9] == 255) | |
2012 | return 0; | |
2013 | ||
2014 | /* 1.4 with CVT support gives us real precision, yay */ | |
2015 | if (edid->revision >= 4 && t[10] == 0x04) | |
2016 | return (t[9] * 10000) - ((t[12] >> 2) * 250); | |
2017 | ||
2018 | /* 1.3 is pathetic, so fuzz up a bit */ | |
2019 | return t[9] * 10000 + 5001; | |
2020 | } | |
2021 | ||
b17e52ef | 2022 | static bool |
b1f559ec | 2023 | mode_in_range(const struct drm_display_mode *mode, struct edid *edid, |
b17e52ef AJ |
2024 | struct detailed_timing *timing) |
2025 | { | |
2026 | u32 max_clock; | |
2027 | u8 *t = (u8 *)timing; | |
2028 | ||
2029 | if (!mode_in_hsync_range(mode, edid, t)) | |
07a5e632 AJ |
2030 | return false; |
2031 | ||
b17e52ef | 2032 | if (!mode_in_vsync_range(mode, edid, t)) |
07a5e632 AJ |
2033 | return false; |
2034 | ||
b17e52ef | 2035 | if ((max_clock = range_pixel_clock(edid, t))) |
07a5e632 AJ |
2036 | if (mode->clock > max_clock) |
2037 | return false; | |
b17e52ef AJ |
2038 | |
2039 | /* 1.4 max horizontal check */ | |
2040 | if (edid->revision >= 4 && t[10] == 0x04) | |
2041 | if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3)))) | |
2042 | return false; | |
2043 | ||
2044 | if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid)) | |
2045 | return false; | |
07a5e632 AJ |
2046 | |
2047 | return true; | |
2048 | } | |
2049 | ||
7b668ebe TI |
2050 | static bool valid_inferred_mode(const struct drm_connector *connector, |
2051 | const struct drm_display_mode *mode) | |
2052 | { | |
85f8fcd6 | 2053 | const struct drm_display_mode *m; |
7b668ebe TI |
2054 | bool ok = false; |
2055 | ||
2056 | list_for_each_entry(m, &connector->probed_modes, head) { | |
2057 | if (mode->hdisplay == m->hdisplay && | |
2058 | mode->vdisplay == m->vdisplay && | |
2059 | drm_mode_vrefresh(mode) == drm_mode_vrefresh(m)) | |
2060 | return false; /* duplicated */ | |
2061 | if (mode->hdisplay <= m->hdisplay && | |
2062 | mode->vdisplay <= m->vdisplay) | |
2063 | ok = true; | |
2064 | } | |
2065 | return ok; | |
2066 | } | |
2067 | ||
b17e52ef | 2068 | static int |
cd4cd3de | 2069 | drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid, |
b17e52ef | 2070 | struct detailed_timing *timing) |
07a5e632 AJ |
2071 | { |
2072 | int i, modes = 0; | |
2073 | struct drm_display_mode *newmode; | |
2074 | struct drm_device *dev = connector->dev; | |
2075 | ||
a6b21831 | 2076 | for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) { |
7b668ebe TI |
2077 | if (mode_in_range(drm_dmt_modes + i, edid, timing) && |
2078 | valid_inferred_mode(connector, drm_dmt_modes + i)) { | |
07a5e632 AJ |
2079 | newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]); |
2080 | if (newmode) { | |
2081 | drm_mode_probed_add(connector, newmode); | |
2082 | modes++; | |
2083 | } | |
2084 | } | |
2085 | } | |
2086 | ||
2087 | return modes; | |
2088 | } | |
2089 | ||
c09dedb7 TI |
2090 | /* fix up 1366x768 mode from 1368x768; |
2091 | * GFT/CVT can't express 1366 width which isn't dividable by 8 | |
2092 | */ | |
2093 | static void fixup_mode_1366x768(struct drm_display_mode *mode) | |
2094 | { | |
2095 | if (mode->hdisplay == 1368 && mode->vdisplay == 768) { | |
2096 | mode->hdisplay = 1366; | |
2097 | mode->hsync_start--; | |
2098 | mode->hsync_end--; | |
2099 | drm_mode_set_name(mode); | |
2100 | } | |
2101 | } | |
2102 | ||
b309bd37 AJ |
2103 | static int |
2104 | drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid, | |
2105 | struct detailed_timing *timing) | |
2106 | { | |
2107 | int i, modes = 0; | |
2108 | struct drm_display_mode *newmode; | |
2109 | struct drm_device *dev = connector->dev; | |
2110 | ||
a6b21831 | 2111 | for (i = 0; i < ARRAY_SIZE(extra_modes); i++) { |
b309bd37 AJ |
2112 | const struct minimode *m = &extra_modes[i]; |
2113 | newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0); | |
fc48f169 TI |
2114 | if (!newmode) |
2115 | return modes; | |
b309bd37 | 2116 | |
c09dedb7 | 2117 | fixup_mode_1366x768(newmode); |
7b668ebe TI |
2118 | if (!mode_in_range(newmode, edid, timing) || |
2119 | !valid_inferred_mode(connector, newmode)) { | |
b309bd37 AJ |
2120 | drm_mode_destroy(dev, newmode); |
2121 | continue; | |
2122 | } | |
2123 | ||
2124 | drm_mode_probed_add(connector, newmode); | |
2125 | modes++; | |
2126 | } | |
2127 | ||
2128 | return modes; | |
2129 | } | |
2130 | ||
2131 | static int | |
2132 | drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid, | |
2133 | struct detailed_timing *timing) | |
2134 | { | |
2135 | int i, modes = 0; | |
2136 | struct drm_display_mode *newmode; | |
2137 | struct drm_device *dev = connector->dev; | |
2138 | bool rb = drm_monitor_supports_rb(edid); | |
2139 | ||
a6b21831 | 2140 | for (i = 0; i < ARRAY_SIZE(extra_modes); i++) { |
b309bd37 AJ |
2141 | const struct minimode *m = &extra_modes[i]; |
2142 | newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0); | |
fc48f169 TI |
2143 | if (!newmode) |
2144 | return modes; | |
b309bd37 | 2145 | |
c09dedb7 | 2146 | fixup_mode_1366x768(newmode); |
7b668ebe TI |
2147 | if (!mode_in_range(newmode, edid, timing) || |
2148 | !valid_inferred_mode(connector, newmode)) { | |
b309bd37 AJ |
2149 | drm_mode_destroy(dev, newmode); |
2150 | continue; | |
2151 | } | |
2152 | ||
2153 | drm_mode_probed_add(connector, newmode); | |
2154 | modes++; | |
2155 | } | |
2156 | ||
2157 | return modes; | |
2158 | } | |
2159 | ||
13931579 AJ |
2160 | static void |
2161 | do_inferred_modes(struct detailed_timing *timing, void *c) | |
9340d8cf | 2162 | { |
13931579 AJ |
2163 | struct detailed_mode_closure *closure = c; |
2164 | struct detailed_non_pixel *data = &timing->data.other_data; | |
b309bd37 | 2165 | struct detailed_data_monitor_range *range = &data->data.range; |
9340d8cf | 2166 | |
cb21aafe AJ |
2167 | if (data->type != EDID_DETAIL_MONITOR_RANGE) |
2168 | return; | |
2169 | ||
2170 | closure->modes += drm_dmt_modes_for_range(closure->connector, | |
2171 | closure->edid, | |
2172 | timing); | |
b309bd37 AJ |
2173 | |
2174 | if (!version_greater(closure->edid, 1, 1)) | |
2175 | return; /* GTF not defined yet */ | |
2176 | ||
2177 | switch (range->flags) { | |
2178 | case 0x02: /* secondary gtf, XXX could do more */ | |
2179 | case 0x00: /* default gtf */ | |
2180 | closure->modes += drm_gtf_modes_for_range(closure->connector, | |
2181 | closure->edid, | |
2182 | timing); | |
2183 | break; | |
2184 | case 0x04: /* cvt, only in 1.4+ */ | |
2185 | if (!version_greater(closure->edid, 1, 3)) | |
2186 | break; | |
2187 | ||
2188 | closure->modes += drm_cvt_modes_for_range(closure->connector, | |
2189 | closure->edid, | |
2190 | timing); | |
2191 | break; | |
2192 | case 0x01: /* just the ranges, no formula */ | |
2193 | default: | |
2194 | break; | |
2195 | } | |
13931579 | 2196 | } |
69da3015 | 2197 | |
13931579 AJ |
2198 | static int |
2199 | add_inferred_modes(struct drm_connector *connector, struct edid *edid) | |
2200 | { | |
2201 | struct detailed_mode_closure closure = { | |
d456ea2e JL |
2202 | .connector = connector, |
2203 | .edid = edid, | |
13931579 | 2204 | }; |
9340d8cf | 2205 | |
13931579 AJ |
2206 | if (version_greater(edid, 1, 0)) |
2207 | drm_for_each_detailed_block((u8 *)edid, do_inferred_modes, | |
2208 | &closure); | |
9340d8cf | 2209 | |
13931579 | 2210 | return closure.modes; |
9340d8cf AJ |
2211 | } |
2212 | ||
2255be14 AJ |
2213 | static int |
2214 | drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing) | |
2215 | { | |
2216 | int i, j, m, modes = 0; | |
2217 | struct drm_display_mode *mode; | |
2218 | u8 *est = ((u8 *)timing) + 5; | |
2219 | ||
2220 | for (i = 0; i < 6; i++) { | |
891a7469 | 2221 | for (j = 7; j >= 0; j--) { |
2255be14 | 2222 | m = (i * 8) + (7 - j); |
3c581411 | 2223 | if (m >= ARRAY_SIZE(est3_modes)) |
2255be14 AJ |
2224 | break; |
2225 | if (est[i] & (1 << j)) { | |
1d42bbc8 DA |
2226 | mode = drm_mode_find_dmt(connector->dev, |
2227 | est3_modes[m].w, | |
2228 | est3_modes[m].h, | |
f6e252ba AJ |
2229 | est3_modes[m].r, |
2230 | est3_modes[m].rb); | |
2255be14 AJ |
2231 | if (mode) { |
2232 | drm_mode_probed_add(connector, mode); | |
2233 | modes++; | |
2234 | } | |
2235 | } | |
2236 | } | |
2237 | } | |
2238 | ||
2239 | return modes; | |
2240 | } | |
2241 | ||
13931579 AJ |
2242 | static void |
2243 | do_established_modes(struct detailed_timing *timing, void *c) | |
9cf00977 | 2244 | { |
13931579 | 2245 | struct detailed_mode_closure *closure = c; |
9cf00977 | 2246 | struct detailed_non_pixel *data = &timing->data.other_data; |
9cf00977 | 2247 | |
13931579 AJ |
2248 | if (data->type == EDID_DETAIL_EST_TIMINGS) |
2249 | closure->modes += drm_est3_modes(closure->connector, timing); | |
2250 | } | |
9cf00977 | 2251 | |
13931579 AJ |
2252 | /** |
2253 | * add_established_modes - get est. modes from EDID and add them | |
db6cf833 | 2254 | * @connector: connector to add mode(s) to |
13931579 AJ |
2255 | * @edid: EDID block to scan |
2256 | * | |
2257 | * Each EDID block contains a bitmap of the supported "established modes" list | |
2258 | * (defined above). Tease them out and add them to the global modes list. | |
2259 | */ | |
2260 | static int | |
2261 | add_established_modes(struct drm_connector *connector, struct edid *edid) | |
2262 | { | |
2263 | struct drm_device *dev = connector->dev; | |
2264 | unsigned long est_bits = edid->established_timings.t1 | | |
2265 | (edid->established_timings.t2 << 8) | | |
2266 | ((edid->established_timings.mfg_rsvd & 0x80) << 9); | |
2267 | int i, modes = 0; | |
2268 | struct detailed_mode_closure closure = { | |
d456ea2e JL |
2269 | .connector = connector, |
2270 | .edid = edid, | |
13931579 | 2271 | }; |
9cf00977 | 2272 | |
13931579 AJ |
2273 | for (i = 0; i <= EDID_EST_TIMINGS; i++) { |
2274 | if (est_bits & (1<<i)) { | |
2275 | struct drm_display_mode *newmode; | |
2276 | newmode = drm_mode_duplicate(dev, &edid_est_modes[i]); | |
2277 | if (newmode) { | |
2278 | drm_mode_probed_add(connector, newmode); | |
2279 | modes++; | |
2280 | } | |
2281 | } | |
9cf00977 AJ |
2282 | } |
2283 | ||
13931579 AJ |
2284 | if (version_greater(edid, 1, 0)) |
2285 | drm_for_each_detailed_block((u8 *)edid, | |
2286 | do_established_modes, &closure); | |
2287 | ||
2288 | return modes + closure.modes; | |
2289 | } | |
2290 | ||
2291 | static void | |
2292 | do_standard_modes(struct detailed_timing *timing, void *c) | |
2293 | { | |
2294 | struct detailed_mode_closure *closure = c; | |
2295 | struct detailed_non_pixel *data = &timing->data.other_data; | |
2296 | struct drm_connector *connector = closure->connector; | |
2297 | struct edid *edid = closure->edid; | |
2298 | ||
2299 | if (data->type == EDID_DETAIL_STD_MODES) { | |
2300 | int i; | |
9cf00977 AJ |
2301 | for (i = 0; i < 6; i++) { |
2302 | struct std_timing *std; | |
2303 | struct drm_display_mode *newmode; | |
2304 | ||
2305 | std = &data->data.timings[i]; | |
464fdeca | 2306 | newmode = drm_mode_std(connector, edid, std); |
9cf00977 AJ |
2307 | if (newmode) { |
2308 | drm_mode_probed_add(connector, newmode); | |
13931579 | 2309 | closure->modes++; |
9cf00977 AJ |
2310 | } |
2311 | } | |
9cf00977 | 2312 | } |
9cf00977 AJ |
2313 | } |
2314 | ||
f453ba04 | 2315 | /** |
13931579 | 2316 | * add_standard_modes - get std. modes from EDID and add them |
db6cf833 | 2317 | * @connector: connector to add mode(s) to |
f453ba04 | 2318 | * @edid: EDID block to scan |
f453ba04 | 2319 | * |
13931579 AJ |
2320 | * Standard modes can be calculated using the appropriate standard (DMT, |
2321 | * GTF or CVT. Grab them from @edid and add them to the list. | |
f453ba04 | 2322 | */ |
13931579 AJ |
2323 | static int |
2324 | add_standard_modes(struct drm_connector *connector, struct edid *edid) | |
f453ba04 | 2325 | { |
9cf00977 | 2326 | int i, modes = 0; |
13931579 | 2327 | struct detailed_mode_closure closure = { |
d456ea2e JL |
2328 | .connector = connector, |
2329 | .edid = edid, | |
13931579 AJ |
2330 | }; |
2331 | ||
2332 | for (i = 0; i < EDID_STD_TIMINGS; i++) { | |
2333 | struct drm_display_mode *newmode; | |
2334 | ||
2335 | newmode = drm_mode_std(connector, edid, | |
464fdeca | 2336 | &edid->standard_timings[i]); |
13931579 AJ |
2337 | if (newmode) { |
2338 | drm_mode_probed_add(connector, newmode); | |
2339 | modes++; | |
2340 | } | |
2341 | } | |
2342 | ||
2343 | if (version_greater(edid, 1, 0)) | |
2344 | drm_for_each_detailed_block((u8 *)edid, do_standard_modes, | |
2345 | &closure); | |
2346 | ||
2347 | /* XXX should also look for standard codes in VTB blocks */ | |
2348 | ||
2349 | return modes + closure.modes; | |
2350 | } | |
f453ba04 | 2351 | |
13931579 AJ |
2352 | static int drm_cvt_modes(struct drm_connector *connector, |
2353 | struct detailed_timing *timing) | |
2354 | { | |
2355 | int i, j, modes = 0; | |
2356 | struct drm_display_mode *newmode; | |
2357 | struct drm_device *dev = connector->dev; | |
2358 | struct cvt_timing *cvt; | |
2359 | const int rates[] = { 60, 85, 75, 60, 50 }; | |
2360 | const u8 empty[3] = { 0, 0, 0 }; | |
a327f6b8 | 2361 | |
13931579 AJ |
2362 | for (i = 0; i < 4; i++) { |
2363 | int uninitialized_var(width), height; | |
2364 | cvt = &(timing->data.other_data.data.cvt[i]); | |
f453ba04 | 2365 | |
13931579 | 2366 | if (!memcmp(cvt->code, empty, 3)) |
9cf00977 | 2367 | continue; |
f453ba04 | 2368 | |
13931579 AJ |
2369 | height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2; |
2370 | switch (cvt->code[1] & 0x0c) { | |
2371 | case 0x00: | |
2372 | width = height * 4 / 3; | |
2373 | break; | |
2374 | case 0x04: | |
2375 | width = height * 16 / 9; | |
2376 | break; | |
2377 | case 0x08: | |
2378 | width = height * 16 / 10; | |
2379 | break; | |
2380 | case 0x0c: | |
2381 | width = height * 15 / 9; | |
2382 | break; | |
2383 | } | |
2384 | ||
2385 | for (j = 1; j < 5; j++) { | |
2386 | if (cvt->code[2] & (1 << j)) { | |
2387 | newmode = drm_cvt_mode(dev, width, height, | |
2388 | rates[j], j == 0, | |
2389 | false, false); | |
2390 | if (newmode) { | |
2391 | drm_mode_probed_add(connector, newmode); | |
2392 | modes++; | |
2393 | } | |
2394 | } | |
2395 | } | |
f453ba04 DA |
2396 | } |
2397 | ||
2398 | return modes; | |
2399 | } | |
9cf00977 | 2400 | |
13931579 AJ |
2401 | static void |
2402 | do_cvt_mode(struct detailed_timing *timing, void *c) | |
882f0219 | 2403 | { |
13931579 AJ |
2404 | struct detailed_mode_closure *closure = c; |
2405 | struct detailed_non_pixel *data = &timing->data.other_data; | |
882f0219 | 2406 | |
13931579 AJ |
2407 | if (data->type == EDID_DETAIL_CVT_3BYTE) |
2408 | closure->modes += drm_cvt_modes(closure->connector, timing); | |
2409 | } | |
882f0219 | 2410 | |
13931579 AJ |
2411 | static int |
2412 | add_cvt_modes(struct drm_connector *connector, struct edid *edid) | |
2413 | { | |
2414 | struct detailed_mode_closure closure = { | |
d456ea2e JL |
2415 | .connector = connector, |
2416 | .edid = edid, | |
13931579 | 2417 | }; |
882f0219 | 2418 | |
13931579 AJ |
2419 | if (version_greater(edid, 1, 2)) |
2420 | drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure); | |
882f0219 | 2421 | |
13931579 | 2422 | /* XXX should also look for CVT codes in VTB blocks */ |
882f0219 | 2423 | |
13931579 AJ |
2424 | return closure.modes; |
2425 | } | |
2426 | ||
fa3a7340 VS |
2427 | static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode); |
2428 | ||
13931579 AJ |
2429 | static void |
2430 | do_detailed_mode(struct detailed_timing *timing, void *c) | |
2431 | { | |
2432 | struct detailed_mode_closure *closure = c; | |
2433 | struct drm_display_mode *newmode; | |
2434 | ||
2435 | if (timing->pixel_clock) { | |
2436 | newmode = drm_mode_detailed(closure->connector->dev, | |
2437 | closure->edid, timing, | |
2438 | closure->quirks); | |
2439 | if (!newmode) | |
2440 | return; | |
2441 | ||
2442 | if (closure->preferred) | |
2443 | newmode->type |= DRM_MODE_TYPE_PREFERRED; | |
2444 | ||
fa3a7340 VS |
2445 | /* |
2446 | * Detailed modes are limited to 10kHz pixel clock resolution, | |
2447 | * so fix up anything that looks like CEA/HDMI mode, but the clock | |
2448 | * is just slightly off. | |
2449 | */ | |
2450 | fixup_detailed_cea_mode_clock(newmode); | |
2451 | ||
13931579 AJ |
2452 | drm_mode_probed_add(closure->connector, newmode); |
2453 | closure->modes++; | |
2454 | closure->preferred = 0; | |
882f0219 | 2455 | } |
13931579 | 2456 | } |
882f0219 | 2457 | |
13931579 AJ |
2458 | /* |
2459 | * add_detailed_modes - Add modes from detailed timings | |
2460 | * @connector: attached connector | |
2461 | * @edid: EDID block to scan | |
2462 | * @quirks: quirks to apply | |
2463 | */ | |
2464 | static int | |
2465 | add_detailed_modes(struct drm_connector *connector, struct edid *edid, | |
2466 | u32 quirks) | |
2467 | { | |
2468 | struct detailed_mode_closure closure = { | |
d456ea2e JL |
2469 | .connector = connector, |
2470 | .edid = edid, | |
2471 | .preferred = 1, | |
2472 | .quirks = quirks, | |
13931579 AJ |
2473 | }; |
2474 | ||
2475 | if (closure.preferred && !version_greater(edid, 1, 3)) | |
2476 | closure.preferred = | |
2477 | (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING); | |
2478 | ||
2479 | drm_for_each_detailed_block((u8 *)edid, do_detailed_mode, &closure); | |
2480 | ||
2481 | return closure.modes; | |
882f0219 | 2482 | } |
f453ba04 | 2483 | |
8fe9790d | 2484 | #define AUDIO_BLOCK 0x01 |
54ac76f8 | 2485 | #define VIDEO_BLOCK 0x02 |
f23c20c8 | 2486 | #define VENDOR_BLOCK 0x03 |
76adaa34 | 2487 | #define SPEAKER_BLOCK 0x04 |
b1edd6a6 | 2488 | #define VIDEO_CAPABILITY_BLOCK 0x07 |
8fe9790d | 2489 | #define EDID_BASIC_AUDIO (1 << 6) |
a988bc72 LPC |
2490 | #define EDID_CEA_YCRCB444 (1 << 5) |
2491 | #define EDID_CEA_YCRCB422 (1 << 4) | |
b1edd6a6 | 2492 | #define EDID_CEA_VCDB_QS (1 << 6) |
8fe9790d | 2493 | |
d4e4a31d | 2494 | /* |
8fe9790d | 2495 | * Search EDID for CEA extension block. |
f23c20c8 | 2496 | */ |
40d9b043 | 2497 | static u8 *drm_find_edid_extension(struct edid *edid, int ext_id) |
f23c20c8 | 2498 | { |
8fe9790d ZW |
2499 | u8 *edid_ext = NULL; |
2500 | int i; | |
f23c20c8 ML |
2501 | |
2502 | /* No EDID or EDID extensions */ | |
2503 | if (edid == NULL || edid->extensions == 0) | |
8fe9790d | 2504 | return NULL; |
f23c20c8 | 2505 | |
f23c20c8 | 2506 | /* Find CEA extension */ |
7466f4cc | 2507 | for (i = 0; i < edid->extensions; i++) { |
8fe9790d | 2508 | edid_ext = (u8 *)edid + EDID_LENGTH * (i + 1); |
40d9b043 | 2509 | if (edid_ext[0] == ext_id) |
f23c20c8 ML |
2510 | break; |
2511 | } | |
2512 | ||
7466f4cc | 2513 | if (i == edid->extensions) |
8fe9790d ZW |
2514 | return NULL; |
2515 | ||
2516 | return edid_ext; | |
2517 | } | |
2518 | ||
40d9b043 DA |
2519 | static u8 *drm_find_cea_extension(struct edid *edid) |
2520 | { | |
2521 | return drm_find_edid_extension(edid, CEA_EXT); | |
2522 | } | |
2523 | ||
2524 | static u8 *drm_find_displayid_extension(struct edid *edid) | |
2525 | { | |
2526 | return drm_find_edid_extension(edid, DISPLAYID_EXT); | |
2527 | } | |
2528 | ||
e6e79209 VS |
2529 | /* |
2530 | * Calculate the alternate clock for the CEA mode | |
2531 | * (60Hz vs. 59.94Hz etc.) | |
2532 | */ | |
2533 | static unsigned int | |
2534 | cea_mode_alternate_clock(const struct drm_display_mode *cea_mode) | |
2535 | { | |
2536 | unsigned int clock = cea_mode->clock; | |
2537 | ||
2538 | if (cea_mode->vrefresh % 6 != 0) | |
2539 | return clock; | |
2540 | ||
2541 | /* | |
2542 | * edid_cea_modes contains the 59.94Hz | |
2543 | * variant for 240 and 480 line modes, | |
2544 | * and the 60Hz variant otherwise. | |
2545 | */ | |
2546 | if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480) | |
9afd808c | 2547 | clock = DIV_ROUND_CLOSEST(clock * 1001, 1000); |
e6e79209 | 2548 | else |
9afd808c | 2549 | clock = DIV_ROUND_CLOSEST(clock * 1000, 1001); |
e6e79209 VS |
2550 | |
2551 | return clock; | |
2552 | } | |
2553 | ||
4c6bcf44 VS |
2554 | static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match, |
2555 | unsigned int clock_tolerance) | |
2556 | { | |
d9278b4c | 2557 | u8 vic; |
4c6bcf44 VS |
2558 | |
2559 | if (!to_match->clock) | |
2560 | return 0; | |
2561 | ||
d9278b4c JN |
2562 | for (vic = 1; vic < ARRAY_SIZE(edid_cea_modes); vic++) { |
2563 | const struct drm_display_mode *cea_mode = &edid_cea_modes[vic]; | |
4c6bcf44 VS |
2564 | unsigned int clock1, clock2; |
2565 | ||
2566 | /* Check both 60Hz and 59.94Hz */ | |
2567 | clock1 = cea_mode->clock; | |
2568 | clock2 = cea_mode_alternate_clock(cea_mode); | |
2569 | ||
2570 | if (abs(to_match->clock - clock1) > clock_tolerance && | |
2571 | abs(to_match->clock - clock2) > clock_tolerance) | |
2572 | continue; | |
2573 | ||
2574 | if (drm_mode_equal_no_clocks(to_match, cea_mode)) | |
d9278b4c | 2575 | return vic; |
4c6bcf44 VS |
2576 | } |
2577 | ||
2578 | return 0; | |
2579 | } | |
2580 | ||
18316c8c TR |
2581 | /** |
2582 | * drm_match_cea_mode - look for a CEA mode matching given mode | |
2583 | * @to_match: display mode | |
2584 | * | |
db6cf833 | 2585 | * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861 |
18316c8c | 2586 | * mode. |
a4799037 | 2587 | */ |
18316c8c | 2588 | u8 drm_match_cea_mode(const struct drm_display_mode *to_match) |
a4799037 | 2589 | { |
d9278b4c | 2590 | u8 vic; |
a4799037 | 2591 | |
a90b590e VS |
2592 | if (!to_match->clock) |
2593 | return 0; | |
2594 | ||
d9278b4c JN |
2595 | for (vic = 1; vic < ARRAY_SIZE(edid_cea_modes); vic++) { |
2596 | const struct drm_display_mode *cea_mode = &edid_cea_modes[vic]; | |
a90b590e VS |
2597 | unsigned int clock1, clock2; |
2598 | ||
a90b590e | 2599 | /* Check both 60Hz and 59.94Hz */ |
e6e79209 VS |
2600 | clock1 = cea_mode->clock; |
2601 | clock2 = cea_mode_alternate_clock(cea_mode); | |
a4799037 | 2602 | |
a90b590e VS |
2603 | if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) || |
2604 | KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) && | |
f2ecf2e3 | 2605 | drm_mode_equal_no_clocks_no_stereo(to_match, cea_mode)) |
d9278b4c | 2606 | return vic; |
a4799037 SM |
2607 | } |
2608 | return 0; | |
2609 | } | |
2610 | EXPORT_SYMBOL(drm_match_cea_mode); | |
2611 | ||
d9278b4c JN |
2612 | static bool drm_valid_cea_vic(u8 vic) |
2613 | { | |
2614 | return vic > 0 && vic < ARRAY_SIZE(edid_cea_modes); | |
2615 | } | |
2616 | ||
0967e6a5 VK |
2617 | /** |
2618 | * drm_get_cea_aspect_ratio - get the picture aspect ratio corresponding to | |
2619 | * the input VIC from the CEA mode list | |
2620 | * @video_code: ID given to each of the CEA modes | |
2621 | * | |
2622 | * Returns picture aspect ratio | |
2623 | */ | |
2624 | enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code) | |
2625 | { | |
d9278b4c | 2626 | return edid_cea_modes[video_code].picture_aspect_ratio; |
0967e6a5 VK |
2627 | } |
2628 | EXPORT_SYMBOL(drm_get_cea_aspect_ratio); | |
2629 | ||
3f2f6533 LD |
2630 | /* |
2631 | * Calculate the alternate clock for HDMI modes (those from the HDMI vendor | |
2632 | * specific block). | |
2633 | * | |
2634 | * It's almost like cea_mode_alternate_clock(), we just need to add an | |
2635 | * exception for the VIC 4 mode (4096x2160@24Hz): no alternate clock for this | |
2636 | * one. | |
2637 | */ | |
2638 | static unsigned int | |
2639 | hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode) | |
2640 | { | |
2641 | if (hdmi_mode->vdisplay == 4096 && hdmi_mode->hdisplay == 2160) | |
2642 | return hdmi_mode->clock; | |
2643 | ||
2644 | return cea_mode_alternate_clock(hdmi_mode); | |
2645 | } | |
2646 | ||
4c6bcf44 VS |
2647 | static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match, |
2648 | unsigned int clock_tolerance) | |
2649 | { | |
d9278b4c | 2650 | u8 vic; |
4c6bcf44 VS |
2651 | |
2652 | if (!to_match->clock) | |
2653 | return 0; | |
2654 | ||
d9278b4c JN |
2655 | for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) { |
2656 | const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic]; | |
4c6bcf44 VS |
2657 | unsigned int clock1, clock2; |
2658 | ||
2659 | /* Make sure to also match alternate clocks */ | |
2660 | clock1 = hdmi_mode->clock; | |
2661 | clock2 = hdmi_mode_alternate_clock(hdmi_mode); | |
2662 | ||
2663 | if (abs(to_match->clock - clock1) > clock_tolerance && | |
2664 | abs(to_match->clock - clock2) > clock_tolerance) | |
2665 | continue; | |
2666 | ||
2667 | if (drm_mode_equal_no_clocks(to_match, hdmi_mode)) | |
d9278b4c | 2668 | return vic; |
4c6bcf44 VS |
2669 | } |
2670 | ||
2671 | return 0; | |
2672 | } | |
2673 | ||
3f2f6533 LD |
2674 | /* |
2675 | * drm_match_hdmi_mode - look for a HDMI mode matching given mode | |
2676 | * @to_match: display mode | |
2677 | * | |
2678 | * An HDMI mode is one defined in the HDMI vendor specific block. | |
2679 | * | |
2680 | * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one. | |
2681 | */ | |
2682 | static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match) | |
2683 | { | |
d9278b4c | 2684 | u8 vic; |
3f2f6533 LD |
2685 | |
2686 | if (!to_match->clock) | |
2687 | return 0; | |
2688 | ||
d9278b4c JN |
2689 | for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) { |
2690 | const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic]; | |
3f2f6533 LD |
2691 | unsigned int clock1, clock2; |
2692 | ||
2693 | /* Make sure to also match alternate clocks */ | |
2694 | clock1 = hdmi_mode->clock; | |
2695 | clock2 = hdmi_mode_alternate_clock(hdmi_mode); | |
2696 | ||
2697 | if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) || | |
2698 | KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) && | |
f2ecf2e3 | 2699 | drm_mode_equal_no_clocks_no_stereo(to_match, hdmi_mode)) |
d9278b4c | 2700 | return vic; |
3f2f6533 LD |
2701 | } |
2702 | return 0; | |
2703 | } | |
2704 | ||
d9278b4c JN |
2705 | static bool drm_valid_hdmi_vic(u8 vic) |
2706 | { | |
2707 | return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes); | |
2708 | } | |
2709 | ||
e6e79209 VS |
2710 | static int |
2711 | add_alternate_cea_modes(struct drm_connector *connector, struct edid *edid) | |
2712 | { | |
2713 | struct drm_device *dev = connector->dev; | |
2714 | struct drm_display_mode *mode, *tmp; | |
2715 | LIST_HEAD(list); | |
2716 | int modes = 0; | |
2717 | ||
2718 | /* Don't add CEA modes if the CEA extension block is missing */ | |
2719 | if (!drm_find_cea_extension(edid)) | |
2720 | return 0; | |
2721 | ||
2722 | /* | |
2723 | * Go through all probed modes and create a new mode | |
2724 | * with the alternate clock for certain CEA modes. | |
2725 | */ | |
2726 | list_for_each_entry(mode, &connector->probed_modes, head) { | |
3f2f6533 | 2727 | const struct drm_display_mode *cea_mode = NULL; |
e6e79209 | 2728 | struct drm_display_mode *newmode; |
d9278b4c | 2729 | u8 vic = drm_match_cea_mode(mode); |
e6e79209 VS |
2730 | unsigned int clock1, clock2; |
2731 | ||
d9278b4c JN |
2732 | if (drm_valid_cea_vic(vic)) { |
2733 | cea_mode = &edid_cea_modes[vic]; | |
3f2f6533 LD |
2734 | clock2 = cea_mode_alternate_clock(cea_mode); |
2735 | } else { | |
d9278b4c JN |
2736 | vic = drm_match_hdmi_mode(mode); |
2737 | if (drm_valid_hdmi_vic(vic)) { | |
2738 | cea_mode = &edid_4k_modes[vic]; | |
3f2f6533 LD |
2739 | clock2 = hdmi_mode_alternate_clock(cea_mode); |
2740 | } | |
2741 | } | |
e6e79209 | 2742 | |
3f2f6533 LD |
2743 | if (!cea_mode) |
2744 | continue; | |
e6e79209 VS |
2745 | |
2746 | clock1 = cea_mode->clock; | |
e6e79209 VS |
2747 | |
2748 | if (clock1 == clock2) | |
2749 | continue; | |
2750 | ||
2751 | if (mode->clock != clock1 && mode->clock != clock2) | |
2752 | continue; | |
2753 | ||
2754 | newmode = drm_mode_duplicate(dev, cea_mode); | |
2755 | if (!newmode) | |
2756 | continue; | |
2757 | ||
27130212 DL |
2758 | /* Carry over the stereo flags */ |
2759 | newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK; | |
2760 | ||
e6e79209 VS |
2761 | /* |
2762 | * The current mode could be either variant. Make | |
2763 | * sure to pick the "other" clock for the new mode. | |
2764 | */ | |
2765 | if (mode->clock != clock1) | |
2766 | newmode->clock = clock1; | |
2767 | else | |
2768 | newmode->clock = clock2; | |
2769 | ||
2770 | list_add_tail(&newmode->head, &list); | |
2771 | } | |
2772 | ||
2773 | list_for_each_entry_safe(mode, tmp, &list, head) { | |
2774 | list_del(&mode->head); | |
2775 | drm_mode_probed_add(connector, mode); | |
2776 | modes++; | |
2777 | } | |
2778 | ||
2779 | return modes; | |
2780 | } | |
a4799037 | 2781 | |
aff04ace TW |
2782 | static struct drm_display_mode * |
2783 | drm_display_mode_from_vic_index(struct drm_connector *connector, | |
2784 | const u8 *video_db, u8 video_len, | |
2785 | u8 video_index) | |
54ac76f8 CS |
2786 | { |
2787 | struct drm_device *dev = connector->dev; | |
aff04ace | 2788 | struct drm_display_mode *newmode; |
d9278b4c | 2789 | u8 vic; |
54ac76f8 | 2790 | |
aff04ace TW |
2791 | if (video_db == NULL || video_index >= video_len) |
2792 | return NULL; | |
2793 | ||
2794 | /* CEA modes are numbered 1..127 */ | |
d9278b4c JN |
2795 | vic = (video_db[video_index] & 127); |
2796 | if (!drm_valid_cea_vic(vic)) | |
aff04ace TW |
2797 | return NULL; |
2798 | ||
d9278b4c | 2799 | newmode = drm_mode_duplicate(dev, &edid_cea_modes[vic]); |
409bbf1e DL |
2800 | if (!newmode) |
2801 | return NULL; | |
2802 | ||
aff04ace TW |
2803 | newmode->vrefresh = 0; |
2804 | ||
2805 | return newmode; | |
2806 | } | |
2807 | ||
2808 | static int | |
2809 | do_cea_modes(struct drm_connector *connector, const u8 *db, u8 len) | |
2810 | { | |
2811 | int i, modes = 0; | |
2812 | ||
2813 | for (i = 0; i < len; i++) { | |
2814 | struct drm_display_mode *mode; | |
2815 | mode = drm_display_mode_from_vic_index(connector, db, len, i); | |
2816 | if (mode) { | |
2817 | drm_mode_probed_add(connector, mode); | |
2818 | modes++; | |
54ac76f8 CS |
2819 | } |
2820 | } | |
2821 | ||
2822 | return modes; | |
2823 | } | |
2824 | ||
c858cfca DL |
2825 | struct stereo_mandatory_mode { |
2826 | int width, height, vrefresh; | |
2827 | unsigned int flags; | |
2828 | }; | |
2829 | ||
2830 | static const struct stereo_mandatory_mode stereo_mandatory_modes[] = { | |
f7e121b7 DL |
2831 | { 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM }, |
2832 | { 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING }, | |
c858cfca DL |
2833 | { 1920, 1080, 50, |
2834 | DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF }, | |
2835 | { 1920, 1080, 60, | |
2836 | DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF }, | |
f7e121b7 DL |
2837 | { 1280, 720, 50, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM }, |
2838 | { 1280, 720, 50, DRM_MODE_FLAG_3D_FRAME_PACKING }, | |
2839 | { 1280, 720, 60, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM }, | |
2840 | { 1280, 720, 60, DRM_MODE_FLAG_3D_FRAME_PACKING } | |
c858cfca DL |
2841 | }; |
2842 | ||
2843 | static bool | |
2844 | stereo_match_mandatory(const struct drm_display_mode *mode, | |
2845 | const struct stereo_mandatory_mode *stereo_mode) | |
2846 | { | |
2847 | unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE; | |
2848 | ||
2849 | return mode->hdisplay == stereo_mode->width && | |
2850 | mode->vdisplay == stereo_mode->height && | |
2851 | interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) && | |
2852 | drm_mode_vrefresh(mode) == stereo_mode->vrefresh; | |
2853 | } | |
2854 | ||
c858cfca DL |
2855 | static int add_hdmi_mandatory_stereo_modes(struct drm_connector *connector) |
2856 | { | |
2857 | struct drm_device *dev = connector->dev; | |
2858 | const struct drm_display_mode *mode; | |
2859 | struct list_head stereo_modes; | |
f7e121b7 | 2860 | int modes = 0, i; |
c858cfca DL |
2861 | |
2862 | INIT_LIST_HEAD(&stereo_modes); | |
2863 | ||
2864 | list_for_each_entry(mode, &connector->probed_modes, head) { | |
f7e121b7 DL |
2865 | for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) { |
2866 | const struct stereo_mandatory_mode *mandatory; | |
c858cfca DL |
2867 | struct drm_display_mode *new_mode; |
2868 | ||
f7e121b7 DL |
2869 | if (!stereo_match_mandatory(mode, |
2870 | &stereo_mandatory_modes[i])) | |
2871 | continue; | |
c858cfca | 2872 | |
f7e121b7 | 2873 | mandatory = &stereo_mandatory_modes[i]; |
c858cfca DL |
2874 | new_mode = drm_mode_duplicate(dev, mode); |
2875 | if (!new_mode) | |
2876 | continue; | |
2877 | ||
f7e121b7 | 2878 | new_mode->flags |= mandatory->flags; |
c858cfca DL |
2879 | list_add_tail(&new_mode->head, &stereo_modes); |
2880 | modes++; | |
f7e121b7 | 2881 | } |
c858cfca DL |
2882 | } |
2883 | ||
2884 | list_splice_tail(&stereo_modes, &connector->probed_modes); | |
2885 | ||
2886 | return modes; | |
2887 | } | |
2888 | ||
1deee8d7 DL |
2889 | static int add_hdmi_mode(struct drm_connector *connector, u8 vic) |
2890 | { | |
2891 | struct drm_device *dev = connector->dev; | |
2892 | struct drm_display_mode *newmode; | |
2893 | ||
d9278b4c | 2894 | if (!drm_valid_hdmi_vic(vic)) { |
1deee8d7 DL |
2895 | DRM_ERROR("Unknown HDMI VIC: %d\n", vic); |
2896 | return 0; | |
2897 | } | |
2898 | ||
2899 | newmode = drm_mode_duplicate(dev, &edid_4k_modes[vic]); | |
2900 | if (!newmode) | |
2901 | return 0; | |
2902 | ||
2903 | drm_mode_probed_add(connector, newmode); | |
2904 | ||
2905 | return 1; | |
2906 | } | |
2907 | ||
fbf46025 TW |
2908 | static int add_3d_struct_modes(struct drm_connector *connector, u16 structure, |
2909 | const u8 *video_db, u8 video_len, u8 video_index) | |
2910 | { | |
fbf46025 TW |
2911 | struct drm_display_mode *newmode; |
2912 | int modes = 0; | |
fbf46025 TW |
2913 | |
2914 | if (structure & (1 << 0)) { | |
aff04ace TW |
2915 | newmode = drm_display_mode_from_vic_index(connector, video_db, |
2916 | video_len, | |
2917 | video_index); | |
fbf46025 TW |
2918 | if (newmode) { |
2919 | newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING; | |
2920 | drm_mode_probed_add(connector, newmode); | |
2921 | modes++; | |
2922 | } | |
2923 | } | |
2924 | if (structure & (1 << 6)) { | |
aff04ace TW |
2925 | newmode = drm_display_mode_from_vic_index(connector, video_db, |
2926 | video_len, | |
2927 | video_index); | |
fbf46025 TW |
2928 | if (newmode) { |
2929 | newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM; | |
2930 | drm_mode_probed_add(connector, newmode); | |
2931 | modes++; | |
2932 | } | |
2933 | } | |
2934 | if (structure & (1 << 8)) { | |
aff04ace TW |
2935 | newmode = drm_display_mode_from_vic_index(connector, video_db, |
2936 | video_len, | |
2937 | video_index); | |
fbf46025 | 2938 | if (newmode) { |
89570eeb | 2939 | newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF; |
fbf46025 TW |
2940 | drm_mode_probed_add(connector, newmode); |
2941 | modes++; | |
2942 | } | |
2943 | } | |
2944 | ||
2945 | return modes; | |
2946 | } | |
2947 | ||
7ebe1963 LD |
2948 | /* |
2949 | * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block | |
2950 | * @connector: connector corresponding to the HDMI sink | |
2951 | * @db: start of the CEA vendor specific block | |
2952 | * @len: length of the CEA block payload, ie. one can access up to db[len] | |
2953 | * | |
c858cfca DL |
2954 | * Parses the HDMI VSDB looking for modes to add to @connector. This function |
2955 | * also adds the stereo 3d modes when applicable. | |
7ebe1963 LD |
2956 | */ |
2957 | static int | |
fbf46025 TW |
2958 | do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len, |
2959 | const u8 *video_db, u8 video_len) | |
7ebe1963 | 2960 | { |
0e5083aa | 2961 | int modes = 0, offset = 0, i, multi_present = 0, multi_len; |
fbf46025 TW |
2962 | u8 vic_len, hdmi_3d_len = 0; |
2963 | u16 mask; | |
2964 | u16 structure_all; | |
7ebe1963 LD |
2965 | |
2966 | if (len < 8) | |
2967 | goto out; | |
2968 | ||
2969 | /* no HDMI_Video_Present */ | |
2970 | if (!(db[8] & (1 << 5))) | |
2971 | goto out; | |
2972 | ||
2973 | /* Latency_Fields_Present */ | |
2974 | if (db[8] & (1 << 7)) | |
2975 | offset += 2; | |
2976 | ||
2977 | /* I_Latency_Fields_Present */ | |
2978 | if (db[8] & (1 << 6)) | |
2979 | offset += 2; | |
2980 | ||
2981 | /* the declared length is not long enough for the 2 first bytes | |
2982 | * of additional video format capabilities */ | |
c858cfca | 2983 | if (len < (8 + offset + 2)) |
7ebe1963 LD |
2984 | goto out; |
2985 | ||
c858cfca DL |
2986 | /* 3D_Present */ |
2987 | offset++; | |
fbf46025 | 2988 | if (db[8 + offset] & (1 << 7)) { |
c858cfca DL |
2989 | modes += add_hdmi_mandatory_stereo_modes(connector); |
2990 | ||
fbf46025 TW |
2991 | /* 3D_Multi_present */ |
2992 | multi_present = (db[8 + offset] & 0x60) >> 5; | |
2993 | } | |
2994 | ||
c858cfca | 2995 | offset++; |
7ebe1963 | 2996 | vic_len = db[8 + offset] >> 5; |
fbf46025 | 2997 | hdmi_3d_len = db[8 + offset] & 0x1f; |
7ebe1963 LD |
2998 | |
2999 | for (i = 0; i < vic_len && len >= (9 + offset + i); i++) { | |
7ebe1963 LD |
3000 | u8 vic; |
3001 | ||
3002 | vic = db[9 + offset + i]; | |
1deee8d7 | 3003 | modes += add_hdmi_mode(connector, vic); |
7ebe1963 | 3004 | } |
fbf46025 TW |
3005 | offset += 1 + vic_len; |
3006 | ||
0e5083aa TW |
3007 | if (multi_present == 1) |
3008 | multi_len = 2; | |
3009 | else if (multi_present == 2) | |
3010 | multi_len = 4; | |
3011 | else | |
3012 | multi_len = 0; | |
fbf46025 | 3013 | |
0e5083aa | 3014 | if (len < (8 + offset + hdmi_3d_len - 1)) |
fbf46025 TW |
3015 | goto out; |
3016 | ||
0e5083aa | 3017 | if (hdmi_3d_len < multi_len) |
fbf46025 TW |
3018 | goto out; |
3019 | ||
0e5083aa TW |
3020 | if (multi_present == 1 || multi_present == 2) { |
3021 | /* 3D_Structure_ALL */ | |
3022 | structure_all = (db[8 + offset] << 8) | db[9 + offset]; | |
fbf46025 | 3023 | |
0e5083aa TW |
3024 | /* check if 3D_MASK is present */ |
3025 | if (multi_present == 2) | |
3026 | mask = (db[10 + offset] << 8) | db[11 + offset]; | |
3027 | else | |
3028 | mask = 0xffff; | |
3029 | ||
3030 | for (i = 0; i < 16; i++) { | |
3031 | if (mask & (1 << i)) | |
3032 | modes += add_3d_struct_modes(connector, | |
3033 | structure_all, | |
3034 | video_db, | |
3035 | video_len, i); | |
3036 | } | |
3037 | } | |
3038 | ||
3039 | offset += multi_len; | |
3040 | ||
3041 | for (i = 0; i < (hdmi_3d_len - multi_len); i++) { | |
3042 | int vic_index; | |
3043 | struct drm_display_mode *newmode = NULL; | |
3044 | unsigned int newflag = 0; | |
3045 | bool detail_present; | |
3046 | ||
3047 | detail_present = ((db[8 + offset + i] & 0x0f) > 7); | |
3048 | ||
3049 | if (detail_present && (i + 1 == hdmi_3d_len - multi_len)) | |
3050 | break; | |
3051 | ||
3052 | /* 2D_VIC_order_X */ | |
3053 | vic_index = db[8 + offset + i] >> 4; | |
3054 | ||
3055 | /* 3D_Structure_X */ | |
3056 | switch (db[8 + offset + i] & 0x0f) { | |
3057 | case 0: | |
3058 | newflag = DRM_MODE_FLAG_3D_FRAME_PACKING; | |
3059 | break; | |
3060 | case 6: | |
3061 | newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM; | |
3062 | break; | |
3063 | case 8: | |
3064 | /* 3D_Detail_X */ | |
3065 | if ((db[9 + offset + i] >> 4) == 1) | |
3066 | newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF; | |
3067 | break; | |
3068 | } | |
3069 | ||
3070 | if (newflag != 0) { | |
3071 | newmode = drm_display_mode_from_vic_index(connector, | |
3072 | video_db, | |
3073 | video_len, | |
3074 | vic_index); | |
3075 | ||
3076 | if (newmode) { | |
3077 | newmode->flags |= newflag; | |
3078 | drm_mode_probed_add(connector, newmode); | |
3079 | modes++; | |
3080 | } | |
3081 | } | |
3082 | ||
3083 | if (detail_present) | |
3084 | i++; | |
fbf46025 | 3085 | } |
7ebe1963 LD |
3086 | |
3087 | out: | |
3088 | return modes; | |
3089 | } | |
3090 | ||
9e50b9d5 VS |
3091 | static int |
3092 | cea_db_payload_len(const u8 *db) | |
3093 | { | |
3094 | return db[0] & 0x1f; | |
3095 | } | |
3096 | ||
3097 | static int | |
3098 | cea_db_tag(const u8 *db) | |
3099 | { | |
3100 | return db[0] >> 5; | |
3101 | } | |
3102 | ||
3103 | static int | |
3104 | cea_revision(const u8 *cea) | |
3105 | { | |
3106 | return cea[1]; | |
3107 | } | |
3108 | ||
3109 | static int | |
3110 | cea_db_offsets(const u8 *cea, int *start, int *end) | |
3111 | { | |
3112 | /* Data block offset in CEA extension block */ | |
3113 | *start = 4; | |
3114 | *end = cea[2]; | |
3115 | if (*end == 0) | |
3116 | *end = 127; | |
3117 | if (*end < 4 || *end > 127) | |
3118 | return -ERANGE; | |
3119 | return 0; | |
3120 | } | |
3121 | ||
7ebe1963 LD |
3122 | static bool cea_db_is_hdmi_vsdb(const u8 *db) |
3123 | { | |
3124 | int hdmi_id; | |
3125 | ||
3126 | if (cea_db_tag(db) != VENDOR_BLOCK) | |
3127 | return false; | |
3128 | ||
3129 | if (cea_db_payload_len(db) < 5) | |
3130 | return false; | |
3131 | ||
3132 | hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16); | |
3133 | ||
6cb3b7f1 | 3134 | return hdmi_id == HDMI_IEEE_OUI; |
7ebe1963 LD |
3135 | } |
3136 | ||
9e50b9d5 VS |
3137 | #define for_each_cea_db(cea, i, start, end) \ |
3138 | for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1) | |
3139 | ||
54ac76f8 CS |
3140 | static int |
3141 | add_cea_modes(struct drm_connector *connector, struct edid *edid) | |
3142 | { | |
13ac3f55 | 3143 | const u8 *cea = drm_find_cea_extension(edid); |
fbf46025 TW |
3144 | const u8 *db, *hdmi = NULL, *video = NULL; |
3145 | u8 dbl, hdmi_len, video_len = 0; | |
54ac76f8 CS |
3146 | int modes = 0; |
3147 | ||
9e50b9d5 VS |
3148 | if (cea && cea_revision(cea) >= 3) { |
3149 | int i, start, end; | |
3150 | ||
3151 | if (cea_db_offsets(cea, &start, &end)) | |
3152 | return 0; | |
3153 | ||
3154 | for_each_cea_db(cea, i, start, end) { | |
3155 | db = &cea[i]; | |
3156 | dbl = cea_db_payload_len(db); | |
3157 | ||
fbf46025 TW |
3158 | if (cea_db_tag(db) == VIDEO_BLOCK) { |
3159 | video = db + 1; | |
3160 | video_len = dbl; | |
3161 | modes += do_cea_modes(connector, video, dbl); | |
3162 | } | |
c858cfca DL |
3163 | else if (cea_db_is_hdmi_vsdb(db)) { |
3164 | hdmi = db; | |
3165 | hdmi_len = dbl; | |
3166 | } | |
54ac76f8 CS |
3167 | } |
3168 | } | |
3169 | ||
c858cfca DL |
3170 | /* |
3171 | * We parse the HDMI VSDB after having added the cea modes as we will | |
3172 | * be patching their flags when the sink supports stereo 3D. | |
3173 | */ | |
3174 | if (hdmi) | |
fbf46025 TW |
3175 | modes += do_hdmi_vsdb_modes(connector, hdmi, hdmi_len, video, |
3176 | video_len); | |
c858cfca | 3177 | |
54ac76f8 CS |
3178 | return modes; |
3179 | } | |
3180 | ||
fa3a7340 VS |
3181 | static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode) |
3182 | { | |
3183 | const struct drm_display_mode *cea_mode; | |
3184 | int clock1, clock2, clock; | |
d9278b4c | 3185 | u8 vic; |
fa3a7340 VS |
3186 | const char *type; |
3187 | ||
4c6bcf44 VS |
3188 | /* |
3189 | * allow 5kHz clock difference either way to account for | |
3190 | * the 10kHz clock resolution limit of detailed timings. | |
3191 | */ | |
d9278b4c JN |
3192 | vic = drm_match_cea_mode_clock_tolerance(mode, 5); |
3193 | if (drm_valid_cea_vic(vic)) { | |
fa3a7340 | 3194 | type = "CEA"; |
d9278b4c | 3195 | cea_mode = &edid_cea_modes[vic]; |
fa3a7340 VS |
3196 | clock1 = cea_mode->clock; |
3197 | clock2 = cea_mode_alternate_clock(cea_mode); | |
3198 | } else { | |
d9278b4c JN |
3199 | vic = drm_match_hdmi_mode_clock_tolerance(mode, 5); |
3200 | if (drm_valid_hdmi_vic(vic)) { | |
fa3a7340 | 3201 | type = "HDMI"; |
d9278b4c | 3202 | cea_mode = &edid_4k_modes[vic]; |
fa3a7340 VS |
3203 | clock1 = cea_mode->clock; |
3204 | clock2 = hdmi_mode_alternate_clock(cea_mode); | |
3205 | } else { | |
3206 | return; | |
3207 | } | |
3208 | } | |
3209 | ||
3210 | /* pick whichever is closest */ | |
3211 | if (abs(mode->clock - clock1) < abs(mode->clock - clock2)) | |
3212 | clock = clock1; | |
3213 | else | |
3214 | clock = clock2; | |
3215 | ||
3216 | if (mode->clock == clock) | |
3217 | return; | |
3218 | ||
3219 | DRM_DEBUG("detailed mode matches %s VIC %d, adjusting clock %d -> %d\n", | |
d9278b4c | 3220 | type, vic, mode->clock, clock); |
fa3a7340 VS |
3221 | mode->clock = clock; |
3222 | } | |
3223 | ||
76adaa34 | 3224 | static void |
8504072a | 3225 | parse_hdmi_vsdb(struct drm_connector *connector, const u8 *db) |
76adaa34 | 3226 | { |
8504072a | 3227 | u8 len = cea_db_payload_len(db); |
76adaa34 | 3228 | |
8504072a VS |
3229 | if (len >= 6) { |
3230 | connector->eld[5] |= (db[6] >> 7) << 1; /* Supports_AI */ | |
3231 | connector->dvi_dual = db[6] & 1; | |
3232 | } | |
3233 | if (len >= 7) | |
3234 | connector->max_tmds_clock = db[7] * 5; | |
3235 | if (len >= 8) { | |
3236 | connector->latency_present[0] = db[8] >> 7; | |
3237 | connector->latency_present[1] = (db[8] >> 6) & 1; | |
3238 | } | |
3239 | if (len >= 9) | |
3240 | connector->video_latency[0] = db[9]; | |
3241 | if (len >= 10) | |
3242 | connector->audio_latency[0] = db[10]; | |
3243 | if (len >= 11) | |
3244 | connector->video_latency[1] = db[11]; | |
3245 | if (len >= 12) | |
3246 | connector->audio_latency[1] = db[12]; | |
76adaa34 | 3247 | |
670c1ef6 | 3248 | DRM_DEBUG_KMS("HDMI: DVI dual %d, " |
76adaa34 WF |
3249 | "max TMDS clock %d, " |
3250 | "latency present %d %d, " | |
3251 | "video latency %d %d, " | |
3252 | "audio latency %d %d\n", | |
3253 | connector->dvi_dual, | |
3254 | connector->max_tmds_clock, | |
3255 | (int) connector->latency_present[0], | |
3256 | (int) connector->latency_present[1], | |
3257 | connector->video_latency[0], | |
3258 | connector->video_latency[1], | |
3259 | connector->audio_latency[0], | |
3260 | connector->audio_latency[1]); | |
3261 | } | |
3262 | ||
3263 | static void | |
3264 | monitor_name(struct detailed_timing *t, void *data) | |
3265 | { | |
3266 | if (t->data.other_data.type == EDID_DETAIL_MONITOR_NAME) | |
3267 | *(u8 **)data = t->data.other_data.data.str.str; | |
14f77fdd VS |
3268 | } |
3269 | ||
76adaa34 WF |
3270 | /** |
3271 | * drm_edid_to_eld - build ELD from EDID | |
3272 | * @connector: connector corresponding to the HDMI/DP sink | |
3273 | * @edid: EDID to parse | |
3274 | * | |
db6cf833 TR |
3275 | * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The |
3276 | * Conn_Type, HDCP and Port_ID ELD fields are left for the graphics driver to | |
3277 | * fill in. | |
76adaa34 WF |
3278 | */ |
3279 | void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid) | |
3280 | { | |
3281 | uint8_t *eld = connector->eld; | |
3282 | u8 *cea; | |
3283 | u8 *name; | |
3284 | u8 *db; | |
3285 | int sad_count = 0; | |
3286 | int mnl; | |
3287 | int dbl; | |
3288 | ||
3289 | memset(eld, 0, sizeof(connector->eld)); | |
3290 | ||
3291 | cea = drm_find_cea_extension(edid); | |
3292 | if (!cea) { | |
3293 | DRM_DEBUG_KMS("ELD: no CEA Extension found\n"); | |
3294 | return; | |
3295 | } | |
3296 | ||
3297 | name = NULL; | |
3298 | drm_for_each_detailed_block((u8 *)edid, monitor_name, &name); | |
3299 | for (mnl = 0; name && mnl < 13; mnl++) { | |
3300 | if (name[mnl] == 0x0a) | |
3301 | break; | |
3302 | eld[20 + mnl] = name[mnl]; | |
3303 | } | |
3304 | eld[4] = (cea[1] << 5) | mnl; | |
3305 | DRM_DEBUG_KMS("ELD monitor %s\n", eld + 20); | |
3306 | ||
3307 | eld[0] = 2 << 3; /* ELD version: 2 */ | |
3308 | ||
3309 | eld[16] = edid->mfg_id[0]; | |
3310 | eld[17] = edid->mfg_id[1]; | |
3311 | eld[18] = edid->prod_code[0]; | |
3312 | eld[19] = edid->prod_code[1]; | |
3313 | ||
9e50b9d5 VS |
3314 | if (cea_revision(cea) >= 3) { |
3315 | int i, start, end; | |
3316 | ||
3317 | if (cea_db_offsets(cea, &start, &end)) { | |
3318 | start = 0; | |
3319 | end = 0; | |
3320 | } | |
3321 | ||
3322 | for_each_cea_db(cea, i, start, end) { | |
3323 | db = &cea[i]; | |
3324 | dbl = cea_db_payload_len(db); | |
3325 | ||
3326 | switch (cea_db_tag(db)) { | |
a0ab734d CS |
3327 | case AUDIO_BLOCK: |
3328 | /* Audio Data Block, contains SADs */ | |
3329 | sad_count = dbl / 3; | |
9e50b9d5 VS |
3330 | if (dbl >= 1) |
3331 | memcpy(eld + 20 + mnl, &db[1], dbl); | |
a0ab734d CS |
3332 | break; |
3333 | case SPEAKER_BLOCK: | |
9e50b9d5 VS |
3334 | /* Speaker Allocation Data Block */ |
3335 | if (dbl >= 1) | |
3336 | eld[7] = db[1]; | |
a0ab734d CS |
3337 | break; |
3338 | case VENDOR_BLOCK: | |
3339 | /* HDMI Vendor-Specific Data Block */ | |
14f77fdd | 3340 | if (cea_db_is_hdmi_vsdb(db)) |
a0ab734d CS |
3341 | parse_hdmi_vsdb(connector, db); |
3342 | break; | |
3343 | default: | |
3344 | break; | |
3345 | } | |
76adaa34 | 3346 | } |
9e50b9d5 | 3347 | } |
76adaa34 | 3348 | eld[5] |= sad_count << 4; |
76adaa34 | 3349 | |
938fd8aa JN |
3350 | eld[DRM_ELD_BASELINE_ELD_LEN] = |
3351 | DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4); | |
3352 | ||
3353 | DRM_DEBUG_KMS("ELD size %d, SAD count %d\n", | |
3354 | drm_eld_size(eld), sad_count); | |
76adaa34 WF |
3355 | } |
3356 | EXPORT_SYMBOL(drm_edid_to_eld); | |
3357 | ||
fe214163 RM |
3358 | /** |
3359 | * drm_edid_to_sad - extracts SADs from EDID | |
3360 | * @edid: EDID to parse | |
3361 | * @sads: pointer that will be set to the extracted SADs | |
3362 | * | |
3363 | * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it. | |
fe214163 | 3364 | * |
db6cf833 TR |
3365 | * Note: The returned pointer needs to be freed using kfree(). |
3366 | * | |
3367 | * Return: The number of found SADs or negative number on error. | |
fe214163 RM |
3368 | */ |
3369 | int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads) | |
3370 | { | |
3371 | int count = 0; | |
3372 | int i, start, end, dbl; | |
3373 | u8 *cea; | |
3374 | ||
3375 | cea = drm_find_cea_extension(edid); | |
3376 | if (!cea) { | |
3377 | DRM_DEBUG_KMS("SAD: no CEA Extension found\n"); | |
3378 | return -ENOENT; | |
3379 | } | |
3380 | ||
3381 | if (cea_revision(cea) < 3) { | |
3382 | DRM_DEBUG_KMS("SAD: wrong CEA revision\n"); | |
3383 | return -ENOTSUPP; | |
3384 | } | |
3385 | ||
3386 | if (cea_db_offsets(cea, &start, &end)) { | |
3387 | DRM_DEBUG_KMS("SAD: invalid data block offsets\n"); | |
3388 | return -EPROTO; | |
3389 | } | |
3390 | ||
3391 | for_each_cea_db(cea, i, start, end) { | |
3392 | u8 *db = &cea[i]; | |
3393 | ||
3394 | if (cea_db_tag(db) == AUDIO_BLOCK) { | |
3395 | int j; | |
3396 | dbl = cea_db_payload_len(db); | |
3397 | ||
3398 | count = dbl / 3; /* SAD is 3B */ | |
3399 | *sads = kcalloc(count, sizeof(**sads), GFP_KERNEL); | |
3400 | if (!*sads) | |
3401 | return -ENOMEM; | |
3402 | for (j = 0; j < count; j++) { | |
3403 | u8 *sad = &db[1 + j * 3]; | |
3404 | ||
3405 | (*sads)[j].format = (sad[0] & 0x78) >> 3; | |
3406 | (*sads)[j].channels = sad[0] & 0x7; | |
3407 | (*sads)[j].freq = sad[1] & 0x7F; | |
3408 | (*sads)[j].byte2 = sad[2]; | |
3409 | } | |
3410 | break; | |
3411 | } | |
3412 | } | |
3413 | ||
3414 | return count; | |
3415 | } | |
3416 | EXPORT_SYMBOL(drm_edid_to_sad); | |
3417 | ||
d105f476 AD |
3418 | /** |
3419 | * drm_edid_to_speaker_allocation - extracts Speaker Allocation Data Blocks from EDID | |
3420 | * @edid: EDID to parse | |
3421 | * @sadb: pointer to the speaker block | |
3422 | * | |
3423 | * Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it. | |
d105f476 | 3424 | * |
db6cf833 TR |
3425 | * Note: The returned pointer needs to be freed using kfree(). |
3426 | * | |
3427 | * Return: The number of found Speaker Allocation Blocks or negative number on | |
3428 | * error. | |
d105f476 AD |
3429 | */ |
3430 | int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb) | |
3431 | { | |
3432 | int count = 0; | |
3433 | int i, start, end, dbl; | |
3434 | const u8 *cea; | |
3435 | ||
3436 | cea = drm_find_cea_extension(edid); | |
3437 | if (!cea) { | |
3438 | DRM_DEBUG_KMS("SAD: no CEA Extension found\n"); | |
3439 | return -ENOENT; | |
3440 | } | |
3441 | ||
3442 | if (cea_revision(cea) < 3) { | |
3443 | DRM_DEBUG_KMS("SAD: wrong CEA revision\n"); | |
3444 | return -ENOTSUPP; | |
3445 | } | |
3446 | ||
3447 | if (cea_db_offsets(cea, &start, &end)) { | |
3448 | DRM_DEBUG_KMS("SAD: invalid data block offsets\n"); | |
3449 | return -EPROTO; | |
3450 | } | |
3451 | ||
3452 | for_each_cea_db(cea, i, start, end) { | |
3453 | const u8 *db = &cea[i]; | |
3454 | ||
3455 | if (cea_db_tag(db) == SPEAKER_BLOCK) { | |
3456 | dbl = cea_db_payload_len(db); | |
3457 | ||
3458 | /* Speaker Allocation Data Block */ | |
3459 | if (dbl == 3) { | |
89086bca | 3460 | *sadb = kmemdup(&db[1], dbl, GFP_KERNEL); |
618e3776 AD |
3461 | if (!*sadb) |
3462 | return -ENOMEM; | |
d105f476 AD |
3463 | count = dbl; |
3464 | break; | |
3465 | } | |
3466 | } | |
3467 | } | |
3468 | ||
3469 | return count; | |
3470 | } | |
3471 | EXPORT_SYMBOL(drm_edid_to_speaker_allocation); | |
3472 | ||
76adaa34 | 3473 | /** |
db6cf833 | 3474 | * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay |
76adaa34 WF |
3475 | * @connector: connector associated with the HDMI/DP sink |
3476 | * @mode: the display mode | |
db6cf833 TR |
3477 | * |
3478 | * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if | |
3479 | * the sink doesn't support audio or video. | |
76adaa34 WF |
3480 | */ |
3481 | int drm_av_sync_delay(struct drm_connector *connector, | |
3a818d35 | 3482 | const struct drm_display_mode *mode) |
76adaa34 WF |
3483 | { |
3484 | int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE); | |
3485 | int a, v; | |
3486 | ||
3487 | if (!connector->latency_present[0]) | |
3488 | return 0; | |
3489 | if (!connector->latency_present[1]) | |
3490 | i = 0; | |
3491 | ||
3492 | a = connector->audio_latency[i]; | |
3493 | v = connector->video_latency[i]; | |
3494 | ||
3495 | /* | |
3496 | * HDMI/DP sink doesn't support audio or video? | |
3497 | */ | |
3498 | if (a == 255 || v == 255) | |
3499 | return 0; | |
3500 | ||
3501 | /* | |
3502 | * Convert raw EDID values to millisecond. | |
3503 | * Treat unknown latency as 0ms. | |
3504 | */ | |
3505 | if (a) | |
3506 | a = min(2 * (a - 1), 500); | |
3507 | if (v) | |
3508 | v = min(2 * (v - 1), 500); | |
3509 | ||
3510 | return max(v - a, 0); | |
3511 | } | |
3512 | EXPORT_SYMBOL(drm_av_sync_delay); | |
3513 | ||
3514 | /** | |
3515 | * drm_select_eld - select one ELD from multiple HDMI/DP sinks | |
3516 | * @encoder: the encoder just changed display mode | |
76adaa34 WF |
3517 | * |
3518 | * It's possible for one encoder to be associated with multiple HDMI/DP sinks. | |
3519 | * The policy is now hard coded to simply use the first HDMI/DP sink's ELD. | |
db6cf833 TR |
3520 | * |
3521 | * Return: The connector associated with the first HDMI/DP sink that has ELD | |
3522 | * attached to it. | |
76adaa34 | 3523 | */ |
9e5a3b52 | 3524 | struct drm_connector *drm_select_eld(struct drm_encoder *encoder) |
76adaa34 WF |
3525 | { |
3526 | struct drm_connector *connector; | |
3527 | struct drm_device *dev = encoder->dev; | |
3528 | ||
6e9f798d | 3529 | WARN_ON(!mutex_is_locked(&dev->mode_config.mutex)); |
008f4045 | 3530 | WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex)); |
6e9f798d | 3531 | |
9a9f5ce8 | 3532 | drm_for_each_connector(connector, dev) |
76adaa34 WF |
3533 | if (connector->encoder == encoder && connector->eld[0]) |
3534 | return connector; | |
3535 | ||
3536 | return NULL; | |
3537 | } | |
3538 | EXPORT_SYMBOL(drm_select_eld); | |
3539 | ||
8fe9790d | 3540 | /** |
db6cf833 | 3541 | * drm_detect_hdmi_monitor - detect whether monitor is HDMI |
8fe9790d ZW |
3542 | * @edid: monitor EDID information |
3543 | * | |
3544 | * Parse the CEA extension according to CEA-861-B. | |
db6cf833 TR |
3545 | * |
3546 | * Return: True if the monitor is HDMI, false if not or unknown. | |
8fe9790d ZW |
3547 | */ |
3548 | bool drm_detect_hdmi_monitor(struct edid *edid) | |
3549 | { | |
3550 | u8 *edid_ext; | |
14f77fdd | 3551 | int i; |
8fe9790d | 3552 | int start_offset, end_offset; |
8fe9790d ZW |
3553 | |
3554 | edid_ext = drm_find_cea_extension(edid); | |
3555 | if (!edid_ext) | |
14f77fdd | 3556 | return false; |
f23c20c8 | 3557 | |
9e50b9d5 | 3558 | if (cea_db_offsets(edid_ext, &start_offset, &end_offset)) |
14f77fdd | 3559 | return false; |
f23c20c8 ML |
3560 | |
3561 | /* | |
3562 | * Because HDMI identifier is in Vendor Specific Block, | |
3563 | * search it from all data blocks of CEA extension. | |
3564 | */ | |
9e50b9d5 | 3565 | for_each_cea_db(edid_ext, i, start_offset, end_offset) { |
14f77fdd VS |
3566 | if (cea_db_is_hdmi_vsdb(&edid_ext[i])) |
3567 | return true; | |
f23c20c8 ML |
3568 | } |
3569 | ||
14f77fdd | 3570 | return false; |
f23c20c8 ML |
3571 | } |
3572 | EXPORT_SYMBOL(drm_detect_hdmi_monitor); | |
3573 | ||
8fe9790d ZW |
3574 | /** |
3575 | * drm_detect_monitor_audio - check monitor audio capability | |
fc66811c | 3576 | * @edid: EDID block to scan |
8fe9790d ZW |
3577 | * |
3578 | * Monitor should have CEA extension block. | |
3579 | * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic | |
3580 | * audio' only. If there is any audio extension block and supported | |
3581 | * audio format, assume at least 'basic audio' support, even if 'basic | |
3582 | * audio' is not defined in EDID. | |
3583 | * | |
db6cf833 | 3584 | * Return: True if the monitor supports audio, false otherwise. |
8fe9790d ZW |
3585 | */ |
3586 | bool drm_detect_monitor_audio(struct edid *edid) | |
3587 | { | |
3588 | u8 *edid_ext; | |
3589 | int i, j; | |
3590 | bool has_audio = false; | |
3591 | int start_offset, end_offset; | |
3592 | ||
3593 | edid_ext = drm_find_cea_extension(edid); | |
3594 | if (!edid_ext) | |
3595 | goto end; | |
3596 | ||
3597 | has_audio = ((edid_ext[3] & EDID_BASIC_AUDIO) != 0); | |
3598 | ||
3599 | if (has_audio) { | |
3600 | DRM_DEBUG_KMS("Monitor has basic audio support\n"); | |
3601 | goto end; | |
3602 | } | |
3603 | ||
9e50b9d5 VS |
3604 | if (cea_db_offsets(edid_ext, &start_offset, &end_offset)) |
3605 | goto end; | |
8fe9790d | 3606 | |
9e50b9d5 VS |
3607 | for_each_cea_db(edid_ext, i, start_offset, end_offset) { |
3608 | if (cea_db_tag(&edid_ext[i]) == AUDIO_BLOCK) { | |
8fe9790d | 3609 | has_audio = true; |
9e50b9d5 | 3610 | for (j = 1; j < cea_db_payload_len(&edid_ext[i]) + 1; j += 3) |
8fe9790d ZW |
3611 | DRM_DEBUG_KMS("CEA audio format %d\n", |
3612 | (edid_ext[i + j] >> 3) & 0xf); | |
3613 | goto end; | |
3614 | } | |
3615 | } | |
3616 | end: | |
3617 | return has_audio; | |
3618 | } | |
3619 | EXPORT_SYMBOL(drm_detect_monitor_audio); | |
3620 | ||
b1edd6a6 VS |
3621 | /** |
3622 | * drm_rgb_quant_range_selectable - is RGB quantization range selectable? | |
fc66811c | 3623 | * @edid: EDID block to scan |
b1edd6a6 VS |
3624 | * |
3625 | * Check whether the monitor reports the RGB quantization range selection | |
3626 | * as supported. The AVI infoframe can then be used to inform the monitor | |
3627 | * which quantization range (full or limited) is used. | |
db6cf833 TR |
3628 | * |
3629 | * Return: True if the RGB quantization range is selectable, false otherwise. | |
b1edd6a6 VS |
3630 | */ |
3631 | bool drm_rgb_quant_range_selectable(struct edid *edid) | |
3632 | { | |
3633 | u8 *edid_ext; | |
3634 | int i, start, end; | |
3635 | ||
3636 | edid_ext = drm_find_cea_extension(edid); | |
3637 | if (!edid_ext) | |
3638 | return false; | |
3639 | ||
3640 | if (cea_db_offsets(edid_ext, &start, &end)) | |
3641 | return false; | |
3642 | ||
3643 | for_each_cea_db(edid_ext, i, start, end) { | |
3644 | if (cea_db_tag(&edid_ext[i]) == VIDEO_CAPABILITY_BLOCK && | |
3645 | cea_db_payload_len(&edid_ext[i]) == 2) { | |
3646 | DRM_DEBUG_KMS("CEA VCDB 0x%02x\n", edid_ext[i + 2]); | |
3647 | return edid_ext[i + 2] & EDID_CEA_VCDB_QS; | |
3648 | } | |
3649 | } | |
3650 | ||
3651 | return false; | |
3652 | } | |
3653 | EXPORT_SYMBOL(drm_rgb_quant_range_selectable); | |
3654 | ||
d0c94692 MK |
3655 | /** |
3656 | * drm_assign_hdmi_deep_color_info - detect whether monitor supports | |
3657 | * hdmi deep color modes and update drm_display_info if so. | |
d0c94692 MK |
3658 | * @edid: monitor EDID information |
3659 | * @info: Updated with maximum supported deep color bpc and color format | |
3660 | * if deep color supported. | |
295ee853 | 3661 | * @connector: DRM connector, used only for debug output |
d0c94692 MK |
3662 | * |
3663 | * Parse the CEA extension according to CEA-861-B. | |
3664 | * Return true if HDMI deep color supported, false if not or unknown. | |
3665 | */ | |
3666 | static bool drm_assign_hdmi_deep_color_info(struct edid *edid, | |
3667 | struct drm_display_info *info, | |
3668 | struct drm_connector *connector) | |
3669 | { | |
3670 | u8 *edid_ext, *hdmi; | |
3671 | int i; | |
3672 | int start_offset, end_offset; | |
3673 | unsigned int dc_bpc = 0; | |
3674 | ||
3675 | edid_ext = drm_find_cea_extension(edid); | |
3676 | if (!edid_ext) | |
3677 | return false; | |
3678 | ||
3679 | if (cea_db_offsets(edid_ext, &start_offset, &end_offset)) | |
3680 | return false; | |
3681 | ||
3682 | /* | |
3683 | * Because HDMI identifier is in Vendor Specific Block, | |
3684 | * search it from all data blocks of CEA extension. | |
3685 | */ | |
3686 | for_each_cea_db(edid_ext, i, start_offset, end_offset) { | |
3687 | if (cea_db_is_hdmi_vsdb(&edid_ext[i])) { | |
3688 | /* HDMI supports at least 8 bpc */ | |
3689 | info->bpc = 8; | |
3690 | ||
3691 | hdmi = &edid_ext[i]; | |
3692 | if (cea_db_payload_len(hdmi) < 6) | |
3693 | return false; | |
3694 | ||
3695 | if (hdmi[6] & DRM_EDID_HDMI_DC_30) { | |
3696 | dc_bpc = 10; | |
5d02626d | 3697 | info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_30; |
d0c94692 | 3698 | DRM_DEBUG("%s: HDMI sink does deep color 30.\n", |
25933820 | 3699 | connector->name); |
d0c94692 MK |
3700 | } |
3701 | ||
3702 | if (hdmi[6] & DRM_EDID_HDMI_DC_36) { | |
3703 | dc_bpc = 12; | |
5d02626d | 3704 | info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_36; |
d0c94692 | 3705 | DRM_DEBUG("%s: HDMI sink does deep color 36.\n", |
25933820 | 3706 | connector->name); |
d0c94692 MK |
3707 | } |
3708 | ||
3709 | if (hdmi[6] & DRM_EDID_HDMI_DC_48) { | |
3710 | dc_bpc = 16; | |
5d02626d | 3711 | info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_48; |
d0c94692 | 3712 | DRM_DEBUG("%s: HDMI sink does deep color 48.\n", |
25933820 | 3713 | connector->name); |
d0c94692 MK |
3714 | } |
3715 | ||
3716 | if (dc_bpc > 0) { | |
3717 | DRM_DEBUG("%s: Assigning HDMI sink color depth as %d bpc.\n", | |
25933820 | 3718 | connector->name, dc_bpc); |
d0c94692 MK |
3719 | info->bpc = dc_bpc; |
3720 | ||
3721 | /* | |
3722 | * Deep color support mandates RGB444 support for all video | |
3723 | * modes and forbids YCRCB422 support for all video modes per | |
3724 | * HDMI 1.3 spec. | |
3725 | */ | |
3726 | info->color_formats = DRM_COLOR_FORMAT_RGB444; | |
3727 | ||
3728 | /* YCRCB444 is optional according to spec. */ | |
3729 | if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) { | |
3730 | info->color_formats |= DRM_COLOR_FORMAT_YCRCB444; | |
3731 | DRM_DEBUG("%s: HDMI sink does YCRCB444 in deep color.\n", | |
25933820 | 3732 | connector->name); |
d0c94692 MK |
3733 | } |
3734 | ||
3735 | /* | |
3736 | * Spec says that if any deep color mode is supported at all, | |
3737 | * then deep color 36 bit must be supported. | |
3738 | */ | |
3739 | if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) { | |
3740 | DRM_DEBUG("%s: HDMI sink should do DC_36, but does not!\n", | |
25933820 | 3741 | connector->name); |
d0c94692 MK |
3742 | } |
3743 | ||
3744 | return true; | |
3745 | } | |
3746 | else { | |
3747 | DRM_DEBUG("%s: No deep color support on this HDMI sink.\n", | |
25933820 | 3748 | connector->name); |
d0c94692 MK |
3749 | } |
3750 | } | |
3751 | } | |
3752 | ||
3753 | return false; | |
3754 | } | |
3755 | ||
3b11228b JB |
3756 | /** |
3757 | * drm_add_display_info - pull display info out if present | |
3758 | * @edid: EDID data | |
3759 | * @info: display info (attached to connector) | |
d0c94692 | 3760 | * @connector: connector whose edid is used to build display info |
3b11228b JB |
3761 | * |
3762 | * Grab any available display info and stuff it into the drm_display_info | |
3763 | * structure that's part of the connector. Useful for tracking bpp and | |
3764 | * color spaces. | |
3765 | */ | |
3766 | static void drm_add_display_info(struct edid *edid, | |
d0c94692 MK |
3767 | struct drm_display_info *info, |
3768 | struct drm_connector *connector) | |
3b11228b | 3769 | { |
ebec9a7b JB |
3770 | u8 *edid_ext; |
3771 | ||
3b11228b JB |
3772 | info->width_mm = edid->width_cm * 10; |
3773 | info->height_mm = edid->height_cm * 10; | |
3774 | ||
3775 | /* driver figures it out in this case */ | |
3776 | info->bpc = 0; | |
da05a5a7 | 3777 | info->color_formats = 0; |
3b11228b | 3778 | |
a988bc72 | 3779 | if (edid->revision < 3) |
3b11228b JB |
3780 | return; |
3781 | ||
3782 | if (!(edid->input & DRM_EDID_INPUT_DIGITAL)) | |
3783 | return; | |
3784 | ||
a988bc72 LPC |
3785 | /* Get data from CEA blocks if present */ |
3786 | edid_ext = drm_find_cea_extension(edid); | |
3787 | if (edid_ext) { | |
3788 | info->cea_rev = edid_ext[1]; | |
3789 | ||
3790 | /* The existence of a CEA block should imply RGB support */ | |
3791 | info->color_formats = DRM_COLOR_FORMAT_RGB444; | |
3792 | if (edid_ext[3] & EDID_CEA_YCRCB444) | |
3793 | info->color_formats |= DRM_COLOR_FORMAT_YCRCB444; | |
3794 | if (edid_ext[3] & EDID_CEA_YCRCB422) | |
3795 | info->color_formats |= DRM_COLOR_FORMAT_YCRCB422; | |
3796 | } | |
3797 | ||
d0c94692 MK |
3798 | /* HDMI deep color modes supported? Assign to info, if so */ |
3799 | drm_assign_hdmi_deep_color_info(edid, info, connector); | |
3800 | ||
a988bc72 LPC |
3801 | /* Only defined for 1.4 with digital displays */ |
3802 | if (edid->revision < 4) | |
3803 | return; | |
3804 | ||
3b11228b JB |
3805 | switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) { |
3806 | case DRM_EDID_DIGITAL_DEPTH_6: | |
3807 | info->bpc = 6; | |
3808 | break; | |
3809 | case DRM_EDID_DIGITAL_DEPTH_8: | |
3810 | info->bpc = 8; | |
3811 | break; | |
3812 | case DRM_EDID_DIGITAL_DEPTH_10: | |
3813 | info->bpc = 10; | |
3814 | break; | |
3815 | case DRM_EDID_DIGITAL_DEPTH_12: | |
3816 | info->bpc = 12; | |
3817 | break; | |
3818 | case DRM_EDID_DIGITAL_DEPTH_14: | |
3819 | info->bpc = 14; | |
3820 | break; | |
3821 | case DRM_EDID_DIGITAL_DEPTH_16: | |
3822 | info->bpc = 16; | |
3823 | break; | |
3824 | case DRM_EDID_DIGITAL_DEPTH_UNDEF: | |
3825 | default: | |
3826 | info->bpc = 0; | |
3827 | break; | |
3828 | } | |
da05a5a7 | 3829 | |
d0c94692 | 3830 | DRM_DEBUG("%s: Assigning EDID-1.4 digital sink color depth as %d bpc.\n", |
25933820 | 3831 | connector->name, info->bpc); |
d0c94692 | 3832 | |
a988bc72 | 3833 | info->color_formats |= DRM_COLOR_FORMAT_RGB444; |
ee58808d LPC |
3834 | if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444) |
3835 | info->color_formats |= DRM_COLOR_FORMAT_YCRCB444; | |
3836 | if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422) | |
3837 | info->color_formats |= DRM_COLOR_FORMAT_YCRCB422; | |
3b11228b JB |
3838 | } |
3839 | ||
f453ba04 DA |
3840 | /** |
3841 | * drm_add_edid_modes - add modes from EDID data, if available | |
3842 | * @connector: connector we're probing | |
db6cf833 | 3843 | * @edid: EDID data |
f453ba04 DA |
3844 | * |
3845 | * Add the specified modes to the connector's mode list. | |
3846 | * | |
db6cf833 | 3847 | * Return: The number of modes added or 0 if we couldn't find any. |
f453ba04 DA |
3848 | */ |
3849 | int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid) | |
3850 | { | |
3851 | int num_modes = 0; | |
3852 | u32 quirks; | |
3853 | ||
3854 | if (edid == NULL) { | |
3855 | return 0; | |
3856 | } | |
3c537889 | 3857 | if (!drm_edid_is_valid(edid)) { |
dcdb1674 | 3858 | dev_warn(connector->dev->dev, "%s: EDID invalid.\n", |
25933820 | 3859 | connector->name); |
f453ba04 DA |
3860 | return 0; |
3861 | } | |
3862 | ||
3863 | quirks = edid_get_quirks(edid); | |
3864 | ||
c867df70 AJ |
3865 | /* |
3866 | * EDID spec says modes should be preferred in this order: | |
3867 | * - preferred detailed mode | |
3868 | * - other detailed modes from base block | |
3869 | * - detailed modes from extension blocks | |
3870 | * - CVT 3-byte code modes | |
3871 | * - standard timing codes | |
3872 | * - established timing codes | |
3873 | * - modes inferred from GTF or CVT range information | |
3874 | * | |
13931579 | 3875 | * We get this pretty much right. |
c867df70 AJ |
3876 | * |
3877 | * XXX order for additional mode types in extension blocks? | |
3878 | */ | |
13931579 AJ |
3879 | num_modes += add_detailed_modes(connector, edid, quirks); |
3880 | num_modes += add_cvt_modes(connector, edid); | |
c867df70 AJ |
3881 | num_modes += add_standard_modes(connector, edid); |
3882 | num_modes += add_established_modes(connector, edid); | |
54ac76f8 | 3883 | num_modes += add_cea_modes(connector, edid); |
e6e79209 | 3884 | num_modes += add_alternate_cea_modes(connector, edid); |
4d53dc0c VS |
3885 | if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF) |
3886 | num_modes += add_inferred_modes(connector, edid); | |
f453ba04 DA |
3887 | |
3888 | if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75)) | |
3889 | edid_fixup_preferred(connector, quirks); | |
3890 | ||
d0c94692 | 3891 | drm_add_display_info(edid, &connector->display_info, connector); |
f453ba04 | 3892 | |
49d45a31 RM |
3893 | if (quirks & EDID_QUIRK_FORCE_8BPC) |
3894 | connector->display_info.bpc = 8; | |
3895 | ||
bc5b9641 MK |
3896 | if (quirks & EDID_QUIRK_FORCE_12BPC) |
3897 | connector->display_info.bpc = 12; | |
3898 | ||
f453ba04 DA |
3899 | return num_modes; |
3900 | } | |
3901 | EXPORT_SYMBOL(drm_add_edid_modes); | |
f0fda0a4 ZY |
3902 | |
3903 | /** | |
3904 | * drm_add_modes_noedid - add modes for the connectors without EDID | |
3905 | * @connector: connector we're probing | |
3906 | * @hdisplay: the horizontal display limit | |
3907 | * @vdisplay: the vertical display limit | |
3908 | * | |
3909 | * Add the specified modes to the connector's mode list. Only when the | |
3910 | * hdisplay/vdisplay is not beyond the given limit, it will be added. | |
3911 | * | |
db6cf833 | 3912 | * Return: The number of modes added or 0 if we couldn't find any. |
f0fda0a4 ZY |
3913 | */ |
3914 | int drm_add_modes_noedid(struct drm_connector *connector, | |
3915 | int hdisplay, int vdisplay) | |
3916 | { | |
3917 | int i, count, num_modes = 0; | |
b1f559ec | 3918 | struct drm_display_mode *mode; |
f0fda0a4 ZY |
3919 | struct drm_device *dev = connector->dev; |
3920 | ||
fbb40b28 | 3921 | count = ARRAY_SIZE(drm_dmt_modes); |
f0fda0a4 ZY |
3922 | if (hdisplay < 0) |
3923 | hdisplay = 0; | |
3924 | if (vdisplay < 0) | |
3925 | vdisplay = 0; | |
3926 | ||
3927 | for (i = 0; i < count; i++) { | |
b1f559ec | 3928 | const struct drm_display_mode *ptr = &drm_dmt_modes[i]; |
f0fda0a4 ZY |
3929 | if (hdisplay && vdisplay) { |
3930 | /* | |
3931 | * Only when two are valid, they will be used to check | |
3932 | * whether the mode should be added to the mode list of | |
3933 | * the connector. | |
3934 | */ | |
3935 | if (ptr->hdisplay > hdisplay || | |
3936 | ptr->vdisplay > vdisplay) | |
3937 | continue; | |
3938 | } | |
f985dedb AJ |
3939 | if (drm_mode_vrefresh(ptr) > 61) |
3940 | continue; | |
f0fda0a4 ZY |
3941 | mode = drm_mode_duplicate(dev, ptr); |
3942 | if (mode) { | |
3943 | drm_mode_probed_add(connector, mode); | |
3944 | num_modes++; | |
3945 | } | |
3946 | } | |
3947 | return num_modes; | |
3948 | } | |
3949 | EXPORT_SYMBOL(drm_add_modes_noedid); | |
10a85120 | 3950 | |
db6cf833 TR |
3951 | /** |
3952 | * drm_set_preferred_mode - Sets the preferred mode of a connector | |
3953 | * @connector: connector whose mode list should be processed | |
3954 | * @hpref: horizontal resolution of preferred mode | |
3955 | * @vpref: vertical resolution of preferred mode | |
3956 | * | |
3957 | * Marks a mode as preferred if it matches the resolution specified by @hpref | |
3958 | * and @vpref. | |
3959 | */ | |
3cf70daf GH |
3960 | void drm_set_preferred_mode(struct drm_connector *connector, |
3961 | int hpref, int vpref) | |
3962 | { | |
3963 | struct drm_display_mode *mode; | |
3964 | ||
3965 | list_for_each_entry(mode, &connector->probed_modes, head) { | |
db6cf833 | 3966 | if (mode->hdisplay == hpref && |
9d3de138 | 3967 | mode->vdisplay == vpref) |
3cf70daf GH |
3968 | mode->type |= DRM_MODE_TYPE_PREFERRED; |
3969 | } | |
3970 | } | |
3971 | EXPORT_SYMBOL(drm_set_preferred_mode); | |
3972 | ||
10a85120 TR |
3973 | /** |
3974 | * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with | |
3975 | * data from a DRM display mode | |
3976 | * @frame: HDMI AVI infoframe | |
3977 | * @mode: DRM display mode | |
3978 | * | |
db6cf833 | 3979 | * Return: 0 on success or a negative error code on failure. |
10a85120 TR |
3980 | */ |
3981 | int | |
3982 | drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame, | |
3983 | const struct drm_display_mode *mode) | |
3984 | { | |
3985 | int err; | |
3986 | ||
3987 | if (!frame || !mode) | |
3988 | return -EINVAL; | |
3989 | ||
3990 | err = hdmi_avi_infoframe_init(frame); | |
3991 | if (err < 0) | |
3992 | return err; | |
3993 | ||
bf02db99 DL |
3994 | if (mode->flags & DRM_MODE_FLAG_DBLCLK) |
3995 | frame->pixel_repeat = 1; | |
3996 | ||
10a85120 | 3997 | frame->video_code = drm_match_cea_mode(mode); |
10a85120 TR |
3998 | |
3999 | frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE; | |
0967e6a5 | 4000 | |
69ab6d35 VK |
4001 | /* |
4002 | * Populate picture aspect ratio from either | |
4003 | * user input (if specified) or from the CEA mode list. | |
4004 | */ | |
4005 | if (mode->picture_aspect_ratio == HDMI_PICTURE_ASPECT_4_3 || | |
4006 | mode->picture_aspect_ratio == HDMI_PICTURE_ASPECT_16_9) | |
4007 | frame->picture_aspect = mode->picture_aspect_ratio; | |
4008 | else if (frame->video_code > 0) | |
0967e6a5 VK |
4009 | frame->picture_aspect = drm_get_cea_aspect_ratio( |
4010 | frame->video_code); | |
4011 | ||
10a85120 | 4012 | frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE; |
24d01805 | 4013 | frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN; |
10a85120 TR |
4014 | |
4015 | return 0; | |
4016 | } | |
4017 | EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode); | |
83dd0008 | 4018 | |
4eed4a0a DL |
4019 | static enum hdmi_3d_structure |
4020 | s3d_structure_from_display_mode(const struct drm_display_mode *mode) | |
4021 | { | |
4022 | u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK; | |
4023 | ||
4024 | switch (layout) { | |
4025 | case DRM_MODE_FLAG_3D_FRAME_PACKING: | |
4026 | return HDMI_3D_STRUCTURE_FRAME_PACKING; | |
4027 | case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE: | |
4028 | return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE; | |
4029 | case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE: | |
4030 | return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE; | |
4031 | case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL: | |
4032 | return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL; | |
4033 | case DRM_MODE_FLAG_3D_L_DEPTH: | |
4034 | return HDMI_3D_STRUCTURE_L_DEPTH; | |
4035 | case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH: | |
4036 | return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH; | |
4037 | case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM: | |
4038 | return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM; | |
4039 | case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF: | |
4040 | return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF; | |
4041 | default: | |
4042 | return HDMI_3D_STRUCTURE_INVALID; | |
4043 | } | |
4044 | } | |
4045 | ||
83dd0008 LD |
4046 | /** |
4047 | * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with | |
4048 | * data from a DRM display mode | |
4049 | * @frame: HDMI vendor infoframe | |
4050 | * @mode: DRM display mode | |
4051 | * | |
4052 | * Note that there's is a need to send HDMI vendor infoframes only when using a | |
4053 | * 4k or stereoscopic 3D mode. So when giving any other mode as input this | |
4054 | * function will return -EINVAL, error that can be safely ignored. | |
4055 | * | |
db6cf833 | 4056 | * Return: 0 on success or a negative error code on failure. |
83dd0008 LD |
4057 | */ |
4058 | int | |
4059 | drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame, | |
4060 | const struct drm_display_mode *mode) | |
4061 | { | |
4062 | int err; | |
4eed4a0a | 4063 | u32 s3d_flags; |
83dd0008 LD |
4064 | u8 vic; |
4065 | ||
4066 | if (!frame || !mode) | |
4067 | return -EINVAL; | |
4068 | ||
4069 | vic = drm_match_hdmi_mode(mode); | |
4eed4a0a DL |
4070 | s3d_flags = mode->flags & DRM_MODE_FLAG_3D_MASK; |
4071 | ||
4072 | if (!vic && !s3d_flags) | |
4073 | return -EINVAL; | |
4074 | ||
4075 | if (vic && s3d_flags) | |
83dd0008 LD |
4076 | return -EINVAL; |
4077 | ||
4078 | err = hdmi_vendor_infoframe_init(frame); | |
4079 | if (err < 0) | |
4080 | return err; | |
4081 | ||
4eed4a0a DL |
4082 | if (vic) |
4083 | frame->vic = vic; | |
4084 | else | |
4085 | frame->s3d_struct = s3d_structure_from_display_mode(mode); | |
83dd0008 LD |
4086 | |
4087 | return 0; | |
4088 | } | |
4089 | EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode); | |
40d9b043 DA |
4090 | |
4091 | static int drm_parse_display_id(struct drm_connector *connector, | |
4092 | u8 *displayid, int length, | |
4093 | bool is_edid_extension) | |
4094 | { | |
4095 | /* if this is an EDID extension the first byte will be 0x70 */ | |
4096 | int idx = 0; | |
4097 | struct displayid_hdr *base; | |
4098 | struct displayid_block *block; | |
4099 | u8 csum = 0; | |
4100 | int i; | |
4101 | ||
4102 | if (is_edid_extension) | |
4103 | idx = 1; | |
4104 | ||
4105 | base = (struct displayid_hdr *)&displayid[idx]; | |
4106 | ||
4107 | DRM_DEBUG_KMS("base revision 0x%x, length %d, %d %d\n", | |
4108 | base->rev, base->bytes, base->prod_id, base->ext_count); | |
4109 | ||
4110 | if (base->bytes + 5 > length - idx) | |
4111 | return -EINVAL; | |
4112 | ||
4113 | for (i = idx; i <= base->bytes + 5; i++) { | |
4114 | csum += displayid[i]; | |
4115 | } | |
4116 | if (csum) { | |
4117 | DRM_ERROR("DisplayID checksum invalid, remainder is %d\n", csum); | |
4118 | return -EINVAL; | |
4119 | } | |
4120 | ||
4121 | block = (struct displayid_block *)&displayid[idx + 4]; | |
4122 | DRM_DEBUG_KMS("block id %d, rev %d, len %d\n", | |
4123 | block->tag, block->rev, block->num_bytes); | |
4124 | ||
4125 | switch (block->tag) { | |
4126 | case DATA_BLOCK_TILED_DISPLAY: { | |
4127 | struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block; | |
4128 | ||
4129 | u16 w, h; | |
4130 | u8 tile_v_loc, tile_h_loc; | |
4131 | u8 num_v_tile, num_h_tile; | |
4132 | struct drm_tile_group *tg; | |
4133 | ||
4134 | w = tile->tile_size[0] | tile->tile_size[1] << 8; | |
4135 | h = tile->tile_size[2] | tile->tile_size[3] << 8; | |
4136 | ||
4137 | num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30); | |
4138 | num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30); | |
4139 | tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4); | |
4140 | tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4); | |
4141 | ||
4142 | connector->has_tile = true; | |
4143 | if (tile->tile_cap & 0x80) | |
4144 | connector->tile_is_single_monitor = true; | |
4145 | ||
4146 | connector->num_h_tile = num_h_tile + 1; | |
4147 | connector->num_v_tile = num_v_tile + 1; | |
4148 | connector->tile_h_loc = tile_h_loc; | |
4149 | connector->tile_v_loc = tile_v_loc; | |
4150 | connector->tile_h_size = w + 1; | |
4151 | connector->tile_v_size = h + 1; | |
4152 | ||
4153 | DRM_DEBUG_KMS("tile cap 0x%x\n", tile->tile_cap); | |
4154 | DRM_DEBUG_KMS("tile_size %d x %d\n", w + 1, h + 1); | |
4155 | DRM_DEBUG_KMS("topo num tiles %dx%d, location %dx%d\n", | |
4156 | num_h_tile + 1, num_v_tile + 1, tile_h_loc, tile_v_loc); | |
4157 | DRM_DEBUG_KMS("vend %c%c%c\n", tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]); | |
4158 | ||
4159 | tg = drm_mode_get_tile_group(connector->dev, tile->topology_id); | |
4160 | if (!tg) { | |
4161 | tg = drm_mode_create_tile_group(connector->dev, tile->topology_id); | |
4162 | } | |
4163 | if (!tg) | |
4164 | return -ENOMEM; | |
4165 | ||
4166 | if (connector->tile_group != tg) { | |
4167 | /* if we haven't got a pointer, | |
4168 | take the reference, drop ref to old tile group */ | |
4169 | if (connector->tile_group) { | |
4170 | drm_mode_put_tile_group(connector->dev, connector->tile_group); | |
4171 | } | |
4172 | connector->tile_group = tg; | |
4173 | } else | |
4174 | /* if same tile group, then release the ref we just took. */ | |
4175 | drm_mode_put_tile_group(connector->dev, tg); | |
4176 | } | |
4177 | break; | |
4178 | default: | |
4179 | printk("unknown displayid tag %d\n", block->tag); | |
4180 | break; | |
4181 | } | |
4182 | return 0; | |
4183 | } | |
4184 | ||
4185 | static void drm_get_displayid(struct drm_connector *connector, | |
4186 | struct edid *edid) | |
4187 | { | |
4188 | void *displayid = NULL; | |
4189 | int ret; | |
4190 | connector->has_tile = false; | |
4191 | displayid = drm_find_displayid_extension(edid); | |
4192 | if (!displayid) { | |
4193 | /* drop reference to any tile group we had */ | |
4194 | goto out_drop_ref; | |
4195 | } | |
4196 | ||
4197 | ret = drm_parse_display_id(connector, displayid, EDID_LENGTH, true); | |
4198 | if (ret < 0) | |
4199 | goto out_drop_ref; | |
4200 | if (!connector->has_tile) | |
4201 | goto out_drop_ref; | |
4202 | return; | |
4203 | out_drop_ref: | |
4204 | if (connector->tile_group) { | |
4205 | drm_mode_put_tile_group(connector->dev, connector->tile_group); | |
4206 | connector->tile_group = NULL; | |
4207 | } | |
4208 | return; | |
4209 | } |