7  * SPDX-License-Identifier:	GPL-2.0+
11  * (C) Copyright 2008-2017 Fuzhou Rockchip Electronics Co., Ltd
33 #define BITMAP_FIRST_WORD_MASK(start) (~0UL << ((start) & (BITS_PER_LONG - 1)))
34 #define BITMAP_LAST_WORD_MASK(nbits) (~0UL >> (-(nbits) & (BITS_PER_LONG - 1)))
35 #define EDID_PRODUCT_ID(e) ((e)->prod_code[0] | ((e)->prod_code[1] << 8))
37 	(((edid)->version > (maj)) || \
38 	 ((edid)->version == (maj) && (edid)->revision > (min)))
63 /* Force reduced-blanking timings for detailed modes */
106 	/* Envision Peripherals, Inc. EN-7100e */
118 	/* LG Philips LCD LP154W01-A5 */
130 	/* Samsung SyncMaster 22[5-6]BW */
134 	/* Sony PVM-2541A does up to 12 bpc, but only reports max 8 bpc */
143 	/* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */
146 	/* Rotel RSX-1058 forwards sink's EDID but only does HDMI 1.1*/
151  * Probably taken from CEA-861 spec.
157  * From CEA/CTA-861 spec.
161 	/* 1 - 640x480@60Hz */
166 	/* 2 - 720x480@60Hz */
171 	/* 3 - 720x480@60Hz */
176 	/* 4 - 1280x720@60Hz */
181 	/* 5 - 1920x1080i@60Hz */
187 	/* 6 - 720(1440)x480i@60Hz */
193 	/* 7 - 720(1440)x480i@60Hz */
199 	/* 8 - 720(1440)x240@60Hz */
205 	/* 9 - 720(1440)x240@60Hz */
211 	/* 10 - 2880x480i@60Hz */
217 	/* 11 - 2880x480i@60Hz */
223 	/* 12 - 2880x240@60Hz */
228 	/* 13 - 2880x240@60Hz */
233 	/* 14 - 1440x480@60Hz */
238 	/* 15 - 1440x480@60Hz */
243 	/* 16 - 1920x1080@60Hz */
248 	/* 17 - 720x576@50Hz */
253 	/* 18 - 720x576@50Hz */
258 	/* 19 - 1280x720@50Hz */
263 	/* 20 - 1920x1080i@50Hz */
269 	/* 21 - 720(1440)x576i@50Hz */
275 	/* 22 - 720(1440)x576i@50Hz */
281 	/* 23 - 720(1440)x288@50Hz */
287 	/* 24 - 720(1440)x288@50Hz */
293 	/* 25 - 2880x576i@50Hz */
299 	/* 26 - 2880x576i@50Hz */
305 	/* 27 - 2880x288@50Hz */
310 	/* 28 - 2880x288@50Hz */
315 	/* 29 - 1440x576@50Hz */
320 	/* 30 - 1440x576@50Hz */
325 	/* 31 - 1920x1080@50Hz */
330 	/* 32 - 1920x1080@24Hz */
335 	/* 33 - 1920x1080@25Hz */
340 	/* 34 - 1920x1080@30Hz */
345 	/* 35 - 2880x480@60Hz */
350 	/* 36 - 2880x480@60Hz */
355 	/* 37 - 2880x576@50Hz */
360 	/* 38 - 2880x576@50Hz */
365 	/* 39 - 1920x1080i@50Hz */
371 	/* 40 - 1920x1080i@100Hz */
377 	/* 41 - 1280x720@100Hz */
382 	/* 42 - 720x576@100Hz */
387 	/* 43 - 720x576@100Hz */
392 	/* 44 - 720(1440)x576i@100Hz */
398 	/* 45 - 720(1440)x576i@100Hz */
404 	/* 46 - 1920x1080i@120Hz */
410 	/* 47 - 1280x720@120Hz */
415 	/* 48 - 720x480@120Hz */
420 	/* 49 - 720x480@120Hz */
425 	/* 50 - 720(1440)x480i@120Hz */
431 	/* 51 - 720(1440)x480i@120Hz */
437 	/* 52 - 720x576@200Hz */
442 	/* 53 - 720x576@200Hz */
447 	/* 54 - 720(1440)x576i@200Hz */
453 	/* 55 - 720(1440)x576i@200Hz */
459 	/* 56 - 720x480@240Hz */
464 	/* 57 - 720x480@240Hz */
469 	/* 58 - 720(1440)x480i@240 */
475 	/* 59 - 720(1440)x480i@240 */
481 	/* 60 - 1280x720@24Hz */
486 	/* 61 - 1280x720@25Hz */
491 	/* 62 - 1280x720@30Hz */
496 	/* 63 - 1920x1080@120Hz */
501 	/* 64 - 1920x1080@100Hz */
506 	/* 65 - 1280x720@24Hz */
511 	/* 66 - 1280x720@25Hz */
516 	/* 67 - 1280x720@30Hz */
521 	/* 68 - 1280x720@50Hz */
526 	/* 69 - 1280x720@60Hz */
531 	/* 70 - 1280x720@100Hz */
536 	/* 71 - 1280x720@120Hz */
541 	/* 72 - 1920x1080@24Hz */
546 	/* 73 - 1920x1080@25Hz */
551 	/* 74 - 1920x1080@30Hz */
556 	/* 75 - 1920x1080@50Hz */
561 	/* 76 - 1920x1080@60Hz */
566 	/* 77 - 1920x1080@100Hz */
571 	/* 78 - 1920x1080@120Hz */
576 	/* 79 - 1680x720@24Hz */
581 	/* 80 - 1680x720@25Hz */
586 	/* 81 - 1680x720@30Hz */
591 	/* 82 - 1680x720@50Hz */
596 	/* 83 - 1680x720@60Hz */
601 	/* 84 - 1680x720@100Hz */
606 	/* 85 - 1680x720@120Hz */
611 	/* 86 - 2560x1080@24Hz */
616 	/* 87 - 2560x1080@25Hz */
621 	/* 88 - 2560x1080@30Hz */
626 	/* 89 - 2560x1080@50Hz */
631 	/* 90 - 2560x1080@60Hz */
636 	/* 91 - 2560x1080@100Hz */
641 	/* 92 - 2560x1080@120Hz */
646 	/* 93 - 3840x2160p@24Hz 16:9 */
651 	/* 94 - 3840x2160p@25Hz 16:9 */
656 	/* 95 - 3840x2160p@30Hz 16:9 */
661 	/* 96 - 3840x2160p@50Hz 16:9 */
666 	/* 97 - 3840x2160p@60Hz 16:9 */
671 	/* 98 - 4096x2160p@24Hz 256:135 */
676 	/* 99 - 4096x2160p@25Hz 256:135 */
681 	/* 100 - 4096x2160p@30Hz 256:135 */
686 	/* 101 - 4096x2160p@50Hz 256:135 */
691 	/* 102 - 4096x2160p@60Hz 256:135 */
696 	/* 103 - 3840x2160p@24Hz 64:27 */
701 	/* 104 - 3840x2160p@25Hz 64:27 */
706 	/* 105 - 3840x2160p@30Hz 64:27 */
711 	/* 106 - 3840x2160p@50Hz 64:27 */
716 	/* 107 - 3840x2160p@60Hz 64:27 */
721 	/* 108 - 1280x720@48Hz 16:9 */
726 	/* 109 - 1280x720@48Hz 64:27 */
731 	/* 110 - 1680x720@48Hz 64:27 */
736 	/* 111 - 1920x1080@48Hz 16:9 */
741 	/* 112 - 1920x1080@48Hz 64:27 */
746 	/* 113 - 2560x1080@48Hz 64:27 */
751 	/* 114 - 3840x2160@48Hz 16:9 */
756 	/* 115 - 4096x2160@48Hz 256:135 */
761 	/* 116 - 3840x2160@48Hz 64:27 */
766 	/* 117 - 3840x2160@100Hz 16:9 */
771 	/* 118 - 3840x2160@120Hz 16:9 */
776 	/* 119 - 3840x2160@100Hz 64:27 */
781 	/* 120 - 3840x2160@120Hz 64:27 */
786 	/* 121 - 5120x2160@24Hz 64:27 */
791 	/* 122 - 5120x2160@25Hz 64:27 */
796 	/* 123 - 5120x2160@30Hz 64:27 */
801 	/* 124 - 5120x2160@48Hz 64:27 */
806 	/* 125 - 5120x2160@50Hz 64:27 */
811 	/* 126 - 5120x2160@60Hz 64:27 */
816 	/* 127 - 5120x2160@100Hz 64:27 */
824 	/* 193 - 5120x2160@120Hz 64:27 */
829 	/* 194 - 7680x4320@24Hz 16:9 */
834 	/* 195 - 7680x4320@25Hz 16:9 */
839 	/* 196 - 7680x4320@30Hz 16:9 */
844 	/* 197 - 7680x4320@48Hz 16:9 */
849 	/* 198 - 7680x4320@50Hz 16:9 */
854 	/* 199 - 7680x4320@60Hz 16:9 */
859 	/* 200 - 7680x4320@100Hz 16:9 */
864 	/* 201 - 7680x4320@120Hz 16:9 */
869 	/* 202 - 7680x4320@24Hz 64:27 */
874 	/* 203 - 7680x4320@25Hz 64:27 */
879 	/* 204 - 7680x4320@30Hz 64:27 */
884 	/* 205 - 7680x4320@48Hz 64:27 */
889 	/* 206 - 7680x4320@50Hz 64:27 */
894 	/* 207 - 7680x4320@60Hz 64:27 */
899 	/* 208 - 7680x4320@100Hz 64:27 */
904 	/* 209 - 7680x4320@120Hz 64:27 */
909 	/* 210 - 10240x4320@24Hz 64:27 */
914 	/* 211 - 10240x4320@25Hz 64:27 */
919 	/* 212 - 10240x4320@30Hz 64:27 */
924 	/* 213 - 10240x4320@48Hz 64:27 */
929 	/* 214 - 10240x4320@50Hz 64:27 */
934 	/* 215 - 10240x4320@60Hz 64:27 */
939 	/* 216 - 10240x4320@100Hz 64:27 */
944 	/* 217 - 10240x4320@120Hz 64:27 */
949 	/* 218 - 4096x2160@100Hz 256:135 */
954 	/* 219 - 4096x2160@120Hz 256:135 */
965 	/* 0 - dummy, VICs start at 1 */
967 	/* 1 - 3840x2160@30Hz */
973 	/* 2 - 3840x2160@25Hz */
979 	/* 3 - 3840x2160@24Hz */
985 	/* 4 - 4096x2160@24Hz (SMPTE) */
998 	/* 0x01 - 640x350@85Hz */
1002 	/* 0x02 - 640x400@85Hz */
1006 	/* 0x03 - 720x400@85Hz */
1010 	/* 0x04 - 640x480@60Hz */
1014 	/* 0x05 - 640x480@72Hz */
1018 	/* 0x06 - 640x480@75Hz */
1022 	/* 0x07 - 640x480@85Hz */
1026 	/* 0x08 - 800x600@56Hz */
1030 	/* 0x09 - 800x600@60Hz */
1034 	/* 0x0a - 800x600@72Hz */
1038 	/* 0x0b - 800x600@75Hz */
1042 	/* 0x0c - 800x600@85Hz */
1046 	/* 0x0d - 800x600@120Hz RB */
1050 	/* 0x0e - 848x480@60Hz */
1054 	/* 0x0f - 1024x768@43Hz, interlace */
1059 	/* 0x10 - 1024x768@60Hz */
1063 	/* 0x11 - 1024x768@70Hz */
1067 	/* 0x12 - 1024x768@75Hz */
1071 	/* 0x13 - 1024x768@85Hz */
1075 	/* 0x14 - 1024x768@120Hz RB */
1079 	/* 0x15 - 1152x864@75Hz */
1083 	/* 0x55 - 1280x720@60Hz */
1087 	/* 0x16 - 1280x768@60Hz RB */
1091 	/* 0x17 - 1280x768@60Hz */
1095 	/* 0x18 - 1280x768@75Hz */
1099 	/* 0x19 - 1280x768@85Hz */
1103 	/* 0x1a - 1280x768@120Hz RB */
1107 	/* 0x1b - 1280x800@60Hz RB */
1111 	/* 0x1c - 1280x800@60Hz */
1115 	/* 0x1d - 1280x800@75Hz */
1119 	/* 0x1e - 1280x800@85Hz */
1123 	/* 0x1f - 1280x800@120Hz RB */
1127 	/* 0x20 - 1280x960@60Hz */
1131 	/* 0x21 - 1280x960@85Hz */
1135 	/* 0x22 - 1280x960@120Hz RB */
1139 	/* 0x23 - 1280x1024@60Hz */
1143 	/* 0x24 - 1280x1024@75Hz */
1147 	/* 0x25 - 1280x1024@85Hz */
1151 	/* 0x26 - 1280x1024@120Hz RB */
1155 	/* 0x27 - 1360x768@60Hz */
1159 	/* 0x28 - 1360x768@120Hz RB */
1163 	/* 0x51 - 1366x768@60Hz */
1167 	/* 0x56 - 1366x768@60Hz */
1171 	/* 0x29 - 1400x1050@60Hz RB */
1175 	/* 0x2a - 1400x1050@60Hz */
1179 	/* 0x2b - 1400x1050@75Hz */
1183 	/* 0x2c - 1400x1050@85Hz */
1187 	/* 0x2d - 1400x1050@120Hz RB */
1191 	/* 0x2e - 1440x900@60Hz RB */
1195 	/* 0x2f - 1440x900@60Hz */
1199 	/* 0x30 - 1440x900@75Hz */
1203 	/* 0x31 - 1440x900@85Hz */
1207 	/* 0x32 - 1440x900@120Hz RB */
1211 	/* 0x53 - 1600x900@60Hz */
1215 	/* 0x33 - 1600x1200@60Hz */
1219 	/* 0x34 - 1600x1200@65Hz */
1223 	/* 0x35 - 1600x1200@70Hz */
1227 	/* 0x36 - 1600x1200@75Hz */
1231 	/* 0x37 - 1600x1200@85Hz */
1235 	/* 0x38 - 1600x1200@120Hz RB */
1239 	/* 0x39 - 1680x1050@60Hz RB */
1243 	/* 0x3a - 1680x1050@60Hz */
1247 	/* 0x3b - 1680x1050@75Hz */
1251 	/* 0x3c - 1680x1050@85Hz */
1255 	/* 0x3d - 1680x1050@120Hz RB */
1259 	/* 0x3e - 1792x1344@60Hz */
1263 	/* 0x3f - 1792x1344@75Hz */
1267 	/* 0x40 - 1792x1344@120Hz RB */
1271 	/* 0x41 - 1856x1392@60Hz */
1275 	/* 0x42 - 1856x1392@75Hz */
1279 	/* 0x43 - 1856x1392@120Hz RB */
1283 	/* 0x52 - 1920x1080@60Hz */
1287 	/* 0x44 - 1920x1200@60Hz RB */
1291 	/* 0x45 - 1920x1200@60Hz */
1295 	/* 0x46 - 1920x1200@75Hz */
1299 	/* 0x47 - 1920x1200@85Hz */
1303 	/* 0x48 - 1920x1200@120Hz RB */
1307 	/* 0x49 - 1920x1440@60Hz */
1311 	/* 0x4a - 1920x1440@75Hz */
1315 	/* 0x4b - 1920x1440@120Hz RB */
1319 	/* 0x54 - 2048x1152@60Hz */
1323 	/* 0x4c - 2560x1600@60Hz RB */
1327 	/* 0x4d - 2560x1600@60Hz */
1331 	/* 0x4e - 2560x1600@75Hz */
1335 	/* 0x4f - 2560x1600@85Hz */
1339 	/* 0x50 - 2560x1600@120Hz RB */
1343 	/* 0x57 - 4096x2160@60Hz RB */
1347 	/* 0x58 - 4096x2160@59.94Hz RB */
1356  * modes are old-school Mac modes.  The EDID spec says the 1152x864@75 mode
1360  * The DMT modes have been fact-checked; the rest are mild guesses.
1435 	/* 0. vic:2 - 720x480@60Hz */
1440 	/* 1. vic:3 - 720x480@60Hz */
1449 	/* 2. vic:4 - 1280x720@60Hz */
1454 	/* 3. vic:5 - 1920x1080i@60Hz */
1460 	/* 4. vic:6 - 720(1440)x480i@60Hz */
1466 	/* 5. vic:16 - 1920x1080@60Hz */
1471 	/* 6. vic:17 - 720x576@50Hz */
1476 	/* 7. vic:18 - 720x576@50Hz */
1481 	/* 8. vic:19 - 1280x720@50Hz */
1486 	/* 9. vic:20 - 1920x1080i@50Hz */
1492 	/* 10. vic:21 - 720(1440)x576i@50Hz */
1498 	/* 11. vic:31 - 1920x1080@50Hz */
1503 	/* 12. vic:32 - 1920x1080@24Hz */
1508 	/* 13. vic:33 - 1920x1080@25Hz */
1513 	/* 14. vic:34 - 1920x1080@30Hz */
1518 	/* 15. vic:39 - 1920x1080i@50Hz */
1524 	/* 16. vic:60 - 1280x720@24Hz */
1529 	/* 17. vic:61 - 1280x720@25Hz */
1534 	/* 18. vic:62 - 1280x720@30Hz */
1539 	/* 19. vic:93 - 3840x2160p@24Hz 16:9 */
1544 	/* 20. vic:94 - 3840x2160p@25Hz 16:9 */
1549 	/* 21. vic:95 - 3840x2160p@30Hz 16:9 */
1554 	/* 22. vic:96 - 3840x2160p@50Hz 16:9 */
1559 	/* 23. vic:97 - 3840x2160p@60Hz 16:9 */
1564 	/* 24. vic:98 - 4096x2160p@24Hz 256:135 */
1569 	/* 25. vic:99 - 4096x2160p@25Hz 256:135 */
1574 	/* 26. vic:100 - 4096x2160p@30Hz 256:135 */
1579 	/* 27. vic:101 - 4096x2160p@50Hz 256:135 */
1584 	/* 28. vic:102 - 4096x2160p@60Hz 256:135 */
1589 	/* 29. vic:118 - 3840x2160@120Hz 16:9 */
1594 	/* 30. vic:196 - 7680x4320@30Hz 16:9 */
1599 	/* 31. vic:198 - 7680x4320@50Hz 16:9 */
1604 	/* 32. vic:199 - 7680x4320@60Hz 16:9 */
1686 		return &edid_cea_modes_1[vic - 1];  in cea_mode_for_vic()
1688 		return &edid_cea_modes_193[vic - 193];  in cea_mode_for_vic()
1708 	if ((edid_info == NULL) || (edid_info->version == 0))  in edid_check_info()
1709 		return -1;  in edid_check_info()
1711 	if (memcmp(edid_info->header, "\x0\xff\xff\xff\xff\xff\xff\x0", 8))  in edid_check_info()
1712 		return -1;  in edid_check_info()
1714 	if (edid_info->version == 0xff && edid_info->revision == 0xff)  in edid_check_info()
1715 		return -1;  in edid_check_info()
1728 	return (checksum == 0) ? 0 : -EINVAL;  in edid_check_checksum()
1740 		return -1;  in edid_get_ranges()
1742 	for (i = 0; i < ARRAY_SIZE(edid->monitor_details.descriptor); i++) {  in edid_get_ranges()
1743 		monitor = &edid->monitor_details.descriptor[i];  in edid_get_ranges()
1744 		if (monitor->type == EDID_MONITOR_DESCRIPTOR_RANGE) {  in edid_get_ranges()
1745 			*hmin = monitor->data.range_data.horizontal_min;  in edid_get_ranges()
1746 			*hmax = monitor->data.range_data.horizontal_max;  in edid_get_ranges()
1747 			*vmin = monitor->data.range_data.vertical_min;  in edid_get_ranges()
1748 			*vmax = monitor->data.range_data.vertical_max;  in edid_get_ranges()
1752 	return -1;  in edid_get_ranges()
1758 	entry->min = value;  in set_entry()
1759 	entry->typ = value;  in set_entry()
1760 	entry->max = value;  in set_entry()
1764  * decode_timing() - Decoding an 18-byte detailed timing record
1777 	set_entry(&timing->pixelclock, (buf[0] + (buf[1] << 8)) * 10000);  in decode_timing()
1791 	set_entry(&timing->hactive, ha);  in decode_timing()
1792 	set_entry(&timing->hfront_porch, hso);  in decode_timing()
1793 	set_entry(&timing->hback_porch, hbl - hso - hspw);  in decode_timing()
1794 	set_entry(&timing->hsync_len, hspw);  in decode_timing()
1796 	set_entry(&timing->vactive, va);  in decode_timing()
1797 	set_entry(&timing->vfront_porch, vso);  in decode_timing()
1798 	set_entry(&timing->vback_porch, vbl - vso - vspw);  in decode_timing()
1799 	set_entry(&timing->vsync_len, vspw);  in decode_timing()
1801 	timing->flags = 0;  in decode_timing()
1803 		timing->flags |= DISPLAY_FLAGS_HSYNC_HIGH;  in decode_timing()
1805 		timing->flags |= DISPLAY_FLAGS_HSYNC_LOW;  in decode_timing()
1807 		timing->flags |= DISPLAY_FLAGS_VSYNC_HIGH;  in decode_timing()
1809 		timing->flags |= DISPLAY_FLAGS_VSYNC_LOW;  in decode_timing()
1812 		timing->flags = DISPLAY_FLAGS_INTERLACED;  in decode_timing()
1817 	      timing->pixelclock.typ,  in decode_timing()
1826  * decode_mode() - Decoding an 18-byte detailed timing record
1852 	mode->clock = (buf[0] + (buf[1] << 8)) * 10;  in decode_mode()
1853 	mode->hdisplay = ha;  in decode_mode()
1854 	mode->hsync_start = ha + hso;  in decode_mode()
1855 	mode->hsync_end = ha + hso + hspw;  in decode_mode()
1856 	mode->htotal = ha + hbl;  in decode_mode()
1857 	mode->vdisplay = va;  in decode_mode()
1858 	mode->vsync_start = va + vso;  in decode_mode()
1859 	mode->vsync_end = va + vso + vspw;  in decode_mode()
1860 	mode->vtotal = va + vbl;  in decode_mode()
1862 	mode->flags = EDID_DETAILED_TIMING_FLAG_HSYNC_POLARITY(*t) ?  in decode_mode()
1864 	mode->flags |= EDID_DETAILED_TIMING_FLAG_VSYNC_POLARITY(*t) ?  in decode_mode()
1868 		mode->flags |= DRM_MODE_FLAG_INTERLACE;  in decode_mode()
1873 	      mode->clock,  in decode_mode()
1874 	      x_mm, y_mm, mode->flags,  in decode_mode()
1875 	      mode->hdisplay, mode->hsync_start, mode->hsync_end,  in decode_mode()
1876 	      mode->htotal, hborder,  in decode_mode()
1877 	      mode->vdisplay, mode->vsync_start, mode->vsync_end,  in decode_mode()
1878 	      mode->vtotal, vborder);  in decode_mode()
1882  * edid_vendor - match a string against EDID's obfuscated vendor field
1892 	edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@';  in edid_vendor()
1893 	edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) |  in edid_vendor()
1894 			  ((edid->mfg_id[1] & 0xe0) >> 5)) + '@';  in edid_vendor()
1895 	edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@';  in edid_vendor()
1910 	end = info->dtd_offset;  in cea_is_hdmi_vsdb_present()
1912 		end = sizeof(info->data);  in cea_is_hdmi_vsdb_present()
1913 	if (end < 4 || end > sizeof(info->data))  in cea_is_hdmi_vsdb_present()
1915 	end -= 4;  in cea_is_hdmi_vsdb_present()
1921 			u8 *db = &info->data[i + 1];  in cea_is_hdmi_vsdb_present()
1938 	if (mode->vrefresh > 0) {  in drm_get_vrefresh()
1939 		refresh = mode->vrefresh;  in drm_get_vrefresh()
1940 	} else if (mode->htotal > 0 && mode->vtotal > 0) {  in drm_get_vrefresh()
1943 		vtotal = mode->vtotal;  in drm_get_vrefresh()
1945 		calc_val = (mode->clock * 1000);  in drm_get_vrefresh()
1946 		calc_val /= mode->htotal;  in drm_get_vrefresh()
1949 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)  in drm_get_vrefresh()
1951 		if (mode->flags & DRM_MODE_FLAG_DBLSCAN)  in drm_get_vrefresh()
1953 		if (mode->vscan > 1)  in drm_get_vrefresh()
1954 			refresh /= mode->vscan;  in drm_get_vrefresh()
1968 		return -EINVAL;  in edid_get_drm_mode()
1973 		return -ENOENT;  in edid_get_drm_mode()
1981 		desc = &edid->monitor_details.descriptor[i];  in edid_get_drm_mode()
1982 		if (desc->zero_flag_1 != 0) {  in edid_get_drm_mode()
1989 		return -EINVAL;  in edid_get_drm_mode()
1993 		return -ENOSYS;  in edid_get_drm_mode()
1995 	if (edid->version != 1 || edid->revision < 4) {  in edid_get_drm_mode()
1997 		      __func__, edid->version, edid->revision);  in edid_get_drm_mode()
1998 		*panel_bits_per_colourp = -1;  in edid_get_drm_mode()
2001 			((edid->video_input_definition & 0x70) >> 3) + 4;  in edid_get_drm_mode()
2016 		return -EINVAL;  in edid_get_timing()
2021 		return -ENOENT;  in edid_get_timing()
2029 		desc = &edid->monitor_details.descriptor[i];  in edid_get_timing()
2030 		if (desc->zero_flag_1 != 0) {  in edid_get_timing()
2037 		return -EINVAL;  in edid_get_timing()
2041 		return -ENOSYS;  in edid_get_timing()
2043 	if (edid->version != 1 || edid->revision < 4) {  in edid_get_timing()
2045 		      __func__, edid->version, edid->revision);  in edid_get_timing()
2046 		*panel_bits_per_colourp = -1;  in edid_get_timing()
2049 			((edid->video_input_definition & 0x70) >> 3) + 4;  in edid_get_timing()
2052 	timing->hdmi_monitor = false;  in edid_get_timing()
2053 	if (edid->extension_flag && (buf_size >= EDID_EXT_SIZE)) {  in edid_get_timing()
2057 		if (info->extension_tag == EDID_CEA861_EXTENSION_TAG)  in edid_get_timing()
2058 			timing->hdmi_monitor = cea_is_hdmi_vsdb_present(info);  in edid_get_timing()
2079 	s = &string[strlen(string) - 1];  in snip()
2083 		*(s--) = '\0';  in snip()
2102 		if (monitor->type == EDID_MONITOR_DESCRIPTOR_SERIAL)  in edid_print_dtd()
2104 			       snip(monitor->data.string));  in edid_print_dtd()
2105 		else if (monitor->type == EDID_MONITOR_DESCRIPTOR_ASCII)  in edid_print_dtd()
2107 			       snip(monitor->data.string));  in edid_print_dtd()
2108 		else if (monitor->type == EDID_MONITOR_DESCRIPTOR_NAME)  in edid_print_dtd()
2110 			       snip(monitor->data.string));  in edid_print_dtd()
2111 		else if (monitor->type == EDID_MONITOR_DESCRIPTOR_RANGE)  in edid_print_dtd()
2113 			       "%d-%d kHz, vertical refresh: "  in edid_print_dtd()
2114 			       "%d-%d Hz, max pixel clock: "  in edid_print_dtd()
2116 			       monitor->data.range_data.horizontal_min,  in edid_print_dtd()
2117 			       monitor->data.range_data.horizontal_max,  in edid_print_dtd()
2118 			       monitor->data.range_data.vertical_min,  in edid_print_dtd()
2119 			       monitor->data.range_data.vertical_max,  in edid_print_dtd()
2120 			       monitor->data.range_data.pixel_clock_max * 10);  in edid_print_dtd()
2151 	name[0] = EDID1_INFO_MANUFACTURER_NAME_CHAR1(*edid) + 'A' - 1;  in edid_get_manufacturer_name()
2152 	name[1] = EDID1_INFO_MANUFACTURER_NAME_CHAR2(*edid) + 'A' - 1;  in edid_get_manufacturer_name()
2153 	name[2] = EDID1_INFO_MANUFACTURER_NAME_CHAR3(*edid) + 'A' - 1;  in edid_get_manufacturer_name()
2170 	       edid_info->version, edid_info->revision);  in edid_print_info()
2180 			serial_number -= 0x7000000;  in edid_print_info()
2182 			serial_number -= 456150000;  in edid_print_info()
2184 			serial_number -= 640000000;  in edid_print_info()
2188 	       edid_info->week, edid_info->year + 1990);  in edid_print_info()
2206 	       EDID1_INFO_FEATURE_RGB(*edid_info) ? "RGB" : "non-RGB");  in edid_print_info()
2209 	       edid_info->max_size_horizontal,  in edid_print_info()
2210 	       edid_info->max_size_vertical);  in edid_print_info()
2256 	for (i = 0; i < ARRAY_SIZE(edid_info->standard_timings); i++) {  in edid_print_info()
2290 	for (i = 0; i < ARRAY_SIZE(edid_info->monitor_details.descriptor);  in edid_print_info()
2292 		edid_print_dtd(&edid_info->monitor_details.descriptor[i],  in edid_print_info()
2301  * drm_cvt_mode -create a modeline based on the CVT algorithm
2329 	/* 1) top/bottom margin size (% of height) - default: 1.8, */  in drm_cvt_mode()
2331 	/* 2) character cell horizontal granularity (pixels) - default 8 */  in drm_cvt_mode()
2333 	/* 3) Minimum vertical porch (lines) - default 3 */  in drm_cvt_mode()
2335 	/* 4) Minimum number of vertical back porch lines - default 6 */  in drm_cvt_mode()
2362 	hdisplay_rnd = hdisplay - (hdisplay % CVT_H_GRANULARITY);  in drm_cvt_mode()
2368 		hmargin -= hmargin % CVT_H_GRANULARITY;  in drm_cvt_mode()
2371 	drm_mode->hdisplay = hdisplay_rnd + 2 * hmargin;  in drm_cvt_mode()
2384 	drm_mode->vdisplay = vdisplay + 2 * vmargin;  in drm_cvt_mode()
2413 		/* 3) Nominal HSync width (% of line period) - default 8 */  in drm_cvt_mode()
2419 		tmp1 = HV_FACTOR * 1000000  -  in drm_cvt_mode()
2432 		 *		vback_porch = vsyncandback_porch - vsync;  in drm_cvt_mode()
2434 		drm_mode->vtotal = vdisplay_rnd + 2 * vmargin +  in drm_cvt_mode()
2437 		/* Gradient (%/kHz) - default 600 */  in drm_cvt_mode()
2439 		/* Offset (%) - default 40 */  in drm_cvt_mode()
2441 		/* Blanking time scaling factor - default 128 */  in drm_cvt_mode()
2443 		/* Scaling factor weighting - default 20 */  in drm_cvt_mode()
2446 #define CVT_C_PRIME	((CVT_C_FACTOR - CVT_J_FACTOR) * CVT_K_FACTOR / 256 + \  in drm_cvt_mode()
2449 		hblank_percentage = CVT_C_PRIME * HV_FACTOR - CVT_M_PRIME *  in drm_cvt_mode()
2454 		hblank = drm_mode->hdisplay * hblank_percentage /  in drm_cvt_mode()
2455 			 (100 * HV_FACTOR - hblank_percentage);  in drm_cvt_mode()
2456 		hblank -= hblank % (2 * CVT_H_GRANULARITY);  in drm_cvt_mode()
2458 		drm_mode->htotal = drm_mode->hdisplay + hblank;  in drm_cvt_mode()
2459 		drm_mode->hsync_end = drm_mode->hdisplay + hblank / 2;  in drm_cvt_mode()
2460 		drm_mode->hsync_start = drm_mode->hsync_end -  in drm_cvt_mode()
2461 			(drm_mode->htotal * CVT_HSYNC_PERCENTAGE) / 100;  in drm_cvt_mode()
2462 		drm_mode->hsync_start += CVT_H_GRANULARITY -  in drm_cvt_mode()
2463 			drm_mode->hsync_start % CVT_H_GRANULARITY;  in drm_cvt_mode()
2465 		drm_mode->vsync_start = drm_mode->vdisplay + CVT_MIN_V_PORCH;  in drm_cvt_mode()
2466 		drm_mode->vsync_end = drm_mode->vsync_start + vsync;  in drm_cvt_mode()
2469 		/* Minimum vertical blanking interval time - default 460 */  in drm_cvt_mode()
2475 		/* Fixed number of lines for vertical front porch - default 3*/  in drm_cvt_mode()
2480 		tmp1 = HV_FACTOR * 1000000 -  in drm_cvt_mode()
2490 		drm_mode->vtotal = vdisplay_rnd + 2 * vmargin + vbilines;  in drm_cvt_mode()
2492 		drm_mode->htotal = drm_mode->hdisplay + CVT_RB_H_BLANK;  in drm_cvt_mode()
2494 		drm_mode->hsync_end = drm_mode->hdisplay + CVT_RB_H_BLANK / 2;  in drm_cvt_mode()
2495 		drm_mode->hsync_start = drm_mode->hsync_end - CVT_RB_H_SYNC;  in drm_cvt_mode()
2497 		drm_mode->vsync_start = drm_mode->vdisplay + CVT_RB_VFPORCH;  in drm_cvt_mode()
2498 		drm_mode->vsync_end = drm_mode->vsync_start + vsync;  in drm_cvt_mode()
2501 	drm_mode->clock = drm_mode->htotal * HV_FACTOR * 1000 / hperiod;  in drm_cvt_mode()
2502 	drm_mode->clock -= drm_mode->clock % CVT_CLOCK_STEP;  in drm_cvt_mode()
2504 	/* ignore - just set the mode flag for interlaced */  in drm_cvt_mode()
2506 		drm_mode->vtotal *= 2;  in drm_cvt_mode()
2507 		drm_mode->flags |= DRM_MODE_FLAG_INTERLACE;  in drm_cvt_mode()
2511 		drm_mode->flags |= (DRM_MODE_FLAG_PHSYNC |  in drm_cvt_mode()
2514 		drm_mode->flags |= (DRM_MODE_FLAG_PVSYNC |  in drm_cvt_mode()
2558 		return -ERANGE;  in cea_db_offsets()
2645 	struct drm_display_mode *mode_buf = data->mode_buf;  in drm_add_hdmi_modes()
2647 	if (data->modes >= MODE_LEN)  in drm_add_hdmi_modes()
2649 	mode_buf[(data->modes)++] = *mode;  in drm_add_hdmi_modes()
2659 	/* 0-6 bit vic, 7th bit native mode indicator */  in svd_to_vic()
2686 	newmode->vrefresh = 0;  in drm_display_mode_from_vic_index()
2695 	int bits_to_set = BITS_PER_LONG - (start % BITS_PER_LONG);  in bitmap_set()
2698 	while (len - bits_to_set >= 0) {  in bitmap_set()
2700 		len -= bits_to_set;  in bitmap_set()
2719 	bitmap_set(hdmi->y420_cmdb_modes, vic, 1);  in drm_add_cmdb_modes()
2725 	struct drm_hdmi_info *hdmi = &data->display_info.hdmi;  in do_cea_modes()
2741 			if (i < 64 && hdmi->y420_cmdb_map & (1ULL << i))  in do_cea_modes()
2753  * do_y420vdb_modes - Parse YCBCR 420 only modes
2759  * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB)
2767 	struct drm_hdmi_info *hdmi = &data->display_info.hdmi;  in do_y420vdb_modes()
2775 		bitmap_set(hdmi->y420_vdb_modes, vic, 1);  in do_y420vdb_modes()
2805 	unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;  in stereo_match_mandatory()
2807 	return mode->hdisplay == stereo_mode->width &&  in stereo_match_mandatory()
2808 	       mode->vdisplay == stereo_mode->height &&  in stereo_match_mandatory()
2809 	       interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) &&  in stereo_match_mandatory()
2810 	       drm_get_vrefresh(mode) == stereo_mode->vrefresh;  in stereo_match_mandatory()
2816 	int num = data->modes, modes = 0, i, k;  in add_hdmi_mandatory_stereo_modes()
2819 		mode = &data->mode_buf[k];  in add_hdmi_mandatory_stereo_modes()
2834 			new_mode->flags |= mandatory->flags;  in add_hdmi_mandatory_stereo_modes()
2855 			newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING;  in add_3d_struct_modes()
2866 			newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;  in add_3d_struct_modes()
2877 			newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;  in add_3d_struct_modes()
2900  * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block
2966 	if (len < (8 + offset + hdmi_3d_len - 1))  in do_hdmi_vsdb_modes()
2993 	for (i = 0; i < (hdmi_3d_len - multi_len); i++) {  in do_hdmi_vsdb_modes()
3001 		if (detail_present && (i + 1 == hdmi_3d_len - multi_len))  in do_hdmi_vsdb_modes()
3029 				newmode->flags |= newflag;  in do_hdmi_vsdb_modes()
3045  * edid_get_quirks - return quirk flags for a given EDID
3058 		if (edid_vendor(edid, quirk->vendor) &&  in edid_get_quirks()
3059 		    (EDID_PRODUCT_ID(edid) == quirk->product_id))  in edid_get_quirks()
3060 			return quirk->quirks;  in edid_get_quirks()
3069 	struct drm_display_info *info = &data->display_info;  in drm_parse_y420cmdb_bitmap()
3070 	struct drm_hdmi_info *hdmi = &info->hdmi;  in drm_parse_y420cmdb_bitmap()
3071 	u8 map_len = cea_db_payload_len(db) - 1;  in drm_parse_y420cmdb_bitmap()
3077 		hdmi->y420_cmdb_map = U64_MAX;  in drm_parse_y420cmdb_bitmap()
3078 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;  in drm_parse_y420cmdb_bitmap()
3101 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;  in drm_parse_y420cmdb_bitmap()
3103 	hdmi->y420_cmdb_map = map;  in drm_parse_y420cmdb_bitmap()
3145 	struct drm_hdmi_info *hdmi = &data->display_info.hdmi;  in drm_parse_ycbcr420_deep_color_info()
3148 	hdmi->y420_dc_modes |= dc_mask;  in drm_parse_ycbcr420_deep_color_info()
3154 	struct drm_display_info *display = &data->display_info;  in drm_parse_hdmi_forum_vsdb()
3155 	struct drm_hdmi_info *hdmi = &display->hdmi;  in drm_parse_hdmi_forum_vsdb()
3158 		hdmi->scdc.supported = true;  in drm_parse_hdmi_forum_vsdb()
3160 			hdmi->scdc.read_request = true;  in drm_parse_hdmi_forum_vsdb()
3166 	 * * Availability of a HF-VSDB block in EDID (check)  in drm_parse_hdmi_forum_vsdb()
3167 	 * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check)  in drm_parse_hdmi_forum_vsdb()
3175 		struct drm_scdc *scdc = &hdmi->scdc;  in drm_parse_hdmi_forum_vsdb()
3178 			display->max_tmds_clock = max_tmds_clock;  in drm_parse_hdmi_forum_vsdb()
3179 			debug("HF-VSDB: max TMDS clock %d kHz\n",  in drm_parse_hdmi_forum_vsdb()
3180 			      display->max_tmds_clock);  in drm_parse_hdmi_forum_vsdb()
3183 		if (scdc->supported) {  in drm_parse_hdmi_forum_vsdb()
3184 			scdc->scrambling.supported = true;  in drm_parse_hdmi_forum_vsdb()
3188 				scdc->scrambling.low_rates = true;  in drm_parse_hdmi_forum_vsdb()
3196 		struct drm_hdmi_dsc_cap *hdmi_dsc = &hdmi->dsc_cap;  in drm_parse_hdmi_forum_vsdb()
3200 		drm_get_max_frl_rate(max_frl_rate, &hdmi->max_lanes,  in drm_parse_hdmi_forum_vsdb()
3201 				     &hdmi->max_frl_rate_per_lane);  in drm_parse_hdmi_forum_vsdb()
3202 		hdmi->add_func = hf_vsdb[8];  in drm_parse_hdmi_forum_vsdb()
3203 		hdmi_dsc->v_1p2 = hf_vsdb[11] & DRM_EDID_DSC_1P2;  in drm_parse_hdmi_forum_vsdb()
3205 		if (hdmi_dsc->v_1p2) {  in drm_parse_hdmi_forum_vsdb()
3206 			hdmi_dsc->native_420 = hf_vsdb[11] & DRM_EDID_DSC_NATIVE_420;  in drm_parse_hdmi_forum_vsdb()
3207 			hdmi_dsc->all_bpp = hf_vsdb[11] & DRM_EDID_DSC_ALL_BPP;  in drm_parse_hdmi_forum_vsdb()
3210 				hdmi_dsc->bpc_supported = 16;  in drm_parse_hdmi_forum_vsdb()
3212 				hdmi_dsc->bpc_supported = 12;  in drm_parse_hdmi_forum_vsdb()
3214 				hdmi_dsc->bpc_supported = 10;  in drm_parse_hdmi_forum_vsdb()
3216 				hdmi_dsc->bpc_supported = 0;  in drm_parse_hdmi_forum_vsdb()
3219 			drm_get_max_frl_rate(dsc_max_frl_rate, &hdmi_dsc->max_lanes,  in drm_parse_hdmi_forum_vsdb()
3220 					     &hdmi_dsc->max_frl_rate_per_lane);  in drm_parse_hdmi_forum_vsdb()
3221 			hdmi_dsc->total_chunk_kbytes =  in drm_parse_hdmi_forum_vsdb()
3227 				hdmi_dsc->max_slices = 1;  in drm_parse_hdmi_forum_vsdb()
3228 				hdmi_dsc->clk_per_slice = 340;  in drm_parse_hdmi_forum_vsdb()
3231 				hdmi_dsc->max_slices = 2;  in drm_parse_hdmi_forum_vsdb()
3232 				hdmi_dsc->clk_per_slice = 340;  in drm_parse_hdmi_forum_vsdb()
3235 				hdmi_dsc->max_slices = 4;  in drm_parse_hdmi_forum_vsdb()
3236 				hdmi_dsc->clk_per_slice = 340;  in drm_parse_hdmi_forum_vsdb()
3239 				hdmi_dsc->max_slices = 8;  in drm_parse_hdmi_forum_vsdb()
3240 				hdmi_dsc->clk_per_slice = 340;  in drm_parse_hdmi_forum_vsdb()
3243 				hdmi_dsc->max_slices = 8;  in drm_parse_hdmi_forum_vsdb()
3244 				hdmi_dsc->clk_per_slice = 400;  in drm_parse_hdmi_forum_vsdb()
3247 				hdmi_dsc->max_slices = 12;  in drm_parse_hdmi_forum_vsdb()
3248 				hdmi_dsc->clk_per_slice = 400;  in drm_parse_hdmi_forum_vsdb()
3251 				hdmi_dsc->max_slices = 16;  in drm_parse_hdmi_forum_vsdb()
3252 				hdmi_dsc->clk_per_slice = 400;  in drm_parse_hdmi_forum_vsdb()
3256 				hdmi_dsc->max_slices = 0;  in drm_parse_hdmi_forum_vsdb()
3257 				hdmi_dsc->clk_per_slice = 0;  in drm_parse_hdmi_forum_vsdb()
3266  * drm_default_rgb_quant_range - default RGB quantization range
3270  * as specified in CEA-861.
3286 	struct drm_display_info *info = &data->display_info;  in drm_parse_hdmi_deep_color_info()
3290 	info->bpc = 8;  in drm_parse_hdmi_deep_color_info()
3297 		info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_30;  in drm_parse_hdmi_deep_color_info()
3303 		info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_36;  in drm_parse_hdmi_deep_color_info()
3309 		info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_48;  in drm_parse_hdmi_deep_color_info()
3319 	info->bpc = dc_bpc;  in drm_parse_hdmi_deep_color_info()
3323 		info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_Y444;  in drm_parse_hdmi_deep_color_info()
3344 	if (!edid || !edid->extensions)  in drm_find_edid_extension()
3348 	for (i = 0; i < edid->extensions; i++) {  in drm_find_edid_extension()
3354 	if (i == edid->extensions)  in drm_find_edid_extension()
3372  * drm_detect_hdmi_monitor - detect whether monitor is HDMI
3375  * Parse the CEA extension according to CEA-861-B.
3405  * drm_detect_monitor_audio - check monitor audio capability
3454 	struct drm_display_info *info = &data->display_info;  in drm_parse_hdmi_vsdb_video()
3458 		info->dvi_dual = db[6] & 1;  in drm_parse_hdmi_vsdb_video()
3460 		info->max_tmds_clock = db[7] * 5000;  in drm_parse_hdmi_vsdb_video()
3468 	struct drm_display_info *info = &data->display_info;  in drm_parse_cea_ext()
3476 	info->cea_rev = edid_ext[1];  in drm_parse_cea_ext()
3479 	info->color_formats = DRM_COLOR_FORMAT_RGB444;  in drm_parse_cea_ext()
3481 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;  in drm_parse_cea_ext()
3483 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;  in drm_parse_cea_ext()
3502 	struct drm_display_info *info = &data->display_info;  in drm_add_display_info()
3504 	info->width_mm = edid->width_cm * 10;  in drm_add_display_info()
3505 	info->height_mm = edid->height_cm * 10;  in drm_add_display_info()
3508 	info->bpc = 0;  in drm_add_display_info()
3509 	info->color_formats = 0;  in drm_add_display_info()
3510 	info->cea_rev = 0;  in drm_add_display_info()
3511 	info->max_tmds_clock = 0;  in drm_add_display_info()
3512 	info->dvi_dual = false;  in drm_add_display_info()
3513 	info->edid_hdmi_dc_modes = 0;  in drm_add_display_info()
3515 	memset(&info->hdmi, 0, sizeof(info->hdmi));  in drm_add_display_info()
3517 	if (edid->revision < 3)  in drm_add_display_info()
3520 	if (!(edid->input & DRM_EDID_INPUT_DIGITAL))  in drm_add_display_info()
3532 	if ((info->bpc == 0) && (edid->revision < 4) &&  in drm_add_display_info()
3533 	    (edid->input & DRM_EDID_DIGITAL_TYPE_DVI)) {  in drm_add_display_info()
3534 		info->bpc = 8;  in drm_add_display_info()
3535 		debug("Assigning DFP sink color depth as %d bpc.\n", info->bpc);  in drm_add_display_info()
3539 	if (edid->revision < 4)  in drm_add_display_info()
3542 	switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {  in drm_add_display_info()
3544 		info->bpc = 6;  in drm_add_display_info()
3547 		info->bpc = 8;  in drm_add_display_info()
3550 		info->bpc = 10;  in drm_add_display_info()
3553 		info->bpc = 12;  in drm_add_display_info()
3556 		info->bpc = 14;  in drm_add_display_info()
3559 		info->bpc = 16;  in drm_add_display_info()
3563 		info->bpc = 0;  in drm_add_display_info()
3567 	debug("Assigning EDID-1.4 digital sink color depth as %d bpc.\n",  in drm_add_display_info()
3568 	      info->bpc);  in drm_add_display_info()
3570 	info->color_formats |= DRM_COLOR_FORMAT_RGB444;  in drm_add_display_info()
3571 	if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)  in drm_add_display_info()
3572 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;  in drm_add_display_info()
3573 	if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)  in drm_add_display_info()
3574 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;  in drm_add_display_info()
3607 							  dbl - 1);  in add_cea_modes()
3635 	n = (127 - d) / 18;  in cea_for_each_detailed_block()
3663 		cb(&edid->detailed_timings[i], closure);  in drm_for_each_detailed_block()
3707 	if (!(pt->misc & DRM_EDID_PT_INTERLACED))  in drm_mode_do_interlace_quirk()
3711 		if ((mode->hdisplay == cea_interlaced[i].w) &&  in drm_mode_do_interlace_quirk()
3712 		    (mode->vdisplay == cea_interlaced[i].h / 2)) {  in drm_mode_do_interlace_quirk()
3713 			mode->vdisplay *= 2;  in drm_mode_do_interlace_quirk()
3714 			mode->vsync_start *= 2;  in drm_mode_do_interlace_quirk()
3715 			mode->vsync_end *= 2;  in drm_mode_do_interlace_quirk()
3716 			mode->vtotal *= 2;  in drm_mode_do_interlace_quirk()
3717 			mode->vtotal |= 1;  in drm_mode_do_interlace_quirk()
3721 	mode->flags |= DRM_MODE_FLAG_INTERLACE;  in drm_mode_do_interlace_quirk()
3725  * drm_mode_detailed - create a new mode from an EDID detailed timing section
3739 	struct detailed_pixel_timing *pt = &timing->data.pixel_data;  in drm_mode_detailed()
3740 	unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo;  in drm_mode_detailed()
3741 	unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo;  in drm_mode_detailed()
3742 	unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo;  in drm_mode_detailed()
3743 	unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo;  in drm_mode_detailed()
3745 		(pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 |  in drm_mode_detailed()
3746 		pt->hsync_offset_lo;  in drm_mode_detailed()
3748 		(pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 |  in drm_mode_detailed()
3749 		pt->hsync_pulse_width_lo;  in drm_mode_detailed()
3750 	unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) <<  in drm_mode_detailed()
3751 		2 | pt->vsync_offset_pulse_width_lo >> 4;  in drm_mode_detailed()
3753 		(pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 |  in drm_mode_detailed()
3754 		(pt->vsync_offset_pulse_width_lo & 0xf);  in drm_mode_detailed()
3760 	if (pt->misc & DRM_EDID_PT_STEREO) {  in drm_mode_detailed()
3764 	if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC))  in drm_mode_detailed()
3787 		timing->pixel_clock = cpu_to_le16(1088);  in drm_mode_detailed()
3789 	mode->clock = le16_to_cpu(timing->pixel_clock) * 10;  in drm_mode_detailed()
3791 	mode->hdisplay = hactive;  in drm_mode_detailed()
3792 	mode->hsync_start = mode->hdisplay + hsync_offset;  in drm_mode_detailed()
3793 	mode->hsync_end = mode->hsync_start + hsync_pulse_width;  in drm_mode_detailed()
3794 	mode->htotal = mode->hdisplay + hblank;  in drm_mode_detailed()
3796 	mode->vdisplay = vactive;  in drm_mode_detailed()
3797 	mode->vsync_start = mode->vdisplay + vsync_offset;  in drm_mode_detailed()
3798 	mode->vsync_end = mode->vsync_start + vsync_pulse_width;  in drm_mode_detailed()
3799 	mode->vtotal = mode->vdisplay + vblank;  in drm_mode_detailed()
3802 	if (mode->hsync_end > mode->htotal)  in drm_mode_detailed()
3803 		mode->htotal = mode->hsync_end + 1;  in drm_mode_detailed()
3804 	if (mode->vsync_end > mode->vtotal)  in drm_mode_detailed()
3805 		mode->vtotal = mode->vsync_end + 1;  in drm_mode_detailed()
3810 		pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE |  in drm_mode_detailed()
3813 	mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?  in drm_mode_detailed()
3815 	mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?  in drm_mode_detailed()
3820 	mode->type = DRM_MODE_TYPE_DRIVER;  in drm_mode_detailed()
3821 	mode->vrefresh = drm_get_vrefresh(mode);  in drm_mode_detailed()
3833 	unsigned int clock = cea_mode->clock;  in cea_mode_alternate_clock()
3835 	if (cea_mode->vrefresh % 6 != 0)  in cea_mode_alternate_clock()
3843 	if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480)  in cea_mode_alternate_clock()
3852  * drm_mode_equal_no_clocks_no_stereo - test modes for equality
3870 	if (mode1->hdisplay == mode2->hdisplay &&  in drm_mode_equal_no_clocks_no_stereo()
3871 	    mode1->hsync_start == mode2->hsync_start &&  in drm_mode_equal_no_clocks_no_stereo()
3872 	    mode1->hsync_end == mode2->hsync_end &&  in drm_mode_equal_no_clocks_no_stereo()
3873 	    mode1->htotal == mode2->htotal &&  in drm_mode_equal_no_clocks_no_stereo()
3874 	    mode1->vdisplay == mode2->vdisplay &&  in drm_mode_equal_no_clocks_no_stereo()
3875 	    mode1->vsync_start == mode2->vsync_start &&  in drm_mode_equal_no_clocks_no_stereo()
3876 	    mode1->vsync_end == mode2->vsync_end &&  in drm_mode_equal_no_clocks_no_stereo()
3877 	    mode1->vtotal == mode2->vtotal &&  in drm_mode_equal_no_clocks_no_stereo()
3878 	    mode1->vscan == mode2->vscan &&  in drm_mode_equal_no_clocks_no_stereo()
3879 	    (mode1->flags & flags_mask) == (mode2->flags & flags_mask))  in drm_mode_equal_no_clocks_no_stereo()
3886  * drm_mode_equal_no_clocks - test modes for equality
3899 	if ((mode1->flags & DRM_MODE_FLAG_3D_MASK) !=  in drm_mode_equal_no_clocks()
3900 	    (mode2->flags & DRM_MODE_FLAG_3D_MASK))  in drm_mode_equal_no_clocks()
3912 	if (!to_match->clock)  in drm_match_cea_mode_clock_tolerance()
3920 		clock1 = cea_mode->clock;  in drm_match_cea_mode_clock_tolerance()
3923 		if (abs(to_match->clock - clock1) > clock_tolerance &&  in drm_match_cea_mode_clock_tolerance()
3924 		    abs(to_match->clock - clock2) > clock_tolerance)  in drm_match_cea_mode_clock_tolerance()
3937 	if (hdmi_mode->vdisplay == 4096 && hdmi_mode->hdisplay == 2160)  in hdmi_mode_alternate_clock()
3938 		return hdmi_mode->clock;  in hdmi_mode_alternate_clock()
3949 	if (!to_match->clock)  in drm_match_hdmi_mode_clock_tolerance()
3957 		clock1 = hdmi_mode->clock;  in drm_match_hdmi_mode_clock_tolerance()
3960 		if (abs(to_match->clock - clock1) > clock_tolerance &&  in drm_match_hdmi_mode_clock_tolerance()
3961 		    abs(to_match->clock - clock2) > clock_tolerance)  in drm_match_hdmi_mode_clock_tolerance()
3986 		clock1 = cea_mode->clock;  in fixup_detailed_cea_mode_clock()
3993 			clock1 = cea_mode->clock;  in fixup_detailed_cea_mode_clock()
4001 	if (abs(mode->clock - clock1) < abs(mode->clock - clock2))  in fixup_detailed_cea_mode_clock()
4006 	if (mode->clock == clock)  in fixup_detailed_cea_mode_clock()
4009 	debug("detailed mode matches %s VIC %d, adjusting clock %d -> %d\n",  in fixup_detailed_cea_mode_clock()
4010 	      type, vic, mode->clock, clock);  in fixup_detailed_cea_mode_clock()
4011 	mode->clock = clock;  in fixup_detailed_cea_mode_clock()
4020 	if (timing->pixel_clock) {  in do_detailed_mode()
4022 					    closure->edid, timing,  in do_detailed_mode()
4023 					    closure->quirks);  in do_detailed_mode()
4027 		if (closure->preferred)  in do_detailed_mode()
4028 			newmode->type |= DRM_MODE_TYPE_PREFERRED;  in do_detailed_mode()
4036 		drm_add_hdmi_modes(closure->data, newmode);  in do_detailed_mode()
4038 		closure->modes++;  in do_detailed_mode()
4039 		closure->preferred = 0;  in do_detailed_mode()
4044  * add_detailed_modes - Add modes from detailed timings
4062 			(edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);  in add_detailed_modes()
4081 		cvt = &timing->data.other_data.data.cvt[i];  in drm_cvt_modes()
4083 		if (!memcmp(cvt->code, empty, 3))  in drm_cvt_modes()
4086 		height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;  in drm_cvt_modes()
4087 		switch (cvt->code[1] & 0x0c) {  in drm_cvt_modes()
4103 			if (cvt->code[2] & (1 << j)) {  in drm_cvt_modes()
4123 	struct detailed_non_pixel *data = &timing->data.other_data;  in do_cvt_mode()
4125 	if (data->type == EDID_DETAIL_CVT_3BYTE)  in do_cvt_mode()
4126 		closure->modes += drm_cvt_modes(closure->data, timing);  in do_cvt_mode()
4201  * standard_timing_level - get std. timing level(CVT/GTF/DMT)
4206 	if (edid->revision >= 2) {  in standard_timing_level()
4207 		if (edid->revision >= 4 &&  in standard_timing_level()
4208 		    (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))  in standard_timing_level()
4243 	if (edid->revision >= 4) {  in drm_monitor_supports_rb()
4250 	return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);  in drm_monitor_supports_rb()
4256 	return (mode->htotal - mode->hdisplay == 160) &&  in mode_is_rb()
4257 	       (mode->hsync_end - mode->hdisplay == 80) &&  in mode_is_rb()
4258 	       (mode->hsync_end - mode->hsync_start == 32) &&  in mode_is_rb()
4259 	       (mode->vsync_start - mode->vdisplay == 3);  in mode_is_rb()
4263  * drm_mode_find_dmt - Create a copy of a mode if present in DMT
4267  * @rb: Mode reduced-blanking-ness
4283 		if (hsize != ptr->hdisplay)  in drm_mode_find_dmt()
4285 		if (vsize != ptr->vdisplay)  in drm_mode_find_dmt()
4304 {	/* 1) top/bottom margin size (% of height) - default: 1.8, */  in drm_gtf_mode_complex()
4306 	/* 2) character cell horizontal granularity (pixels) - default 8 */  in drm_gtf_mode_complex()
4308 	/* 3) Minimum vertical porch (lines) - default 3 */  in drm_gtf_mode_complex()
4317 #define GTF_C_PRIME	((((GTF_2C - GTF_2J) * GTF_K / 256) + GTF_2J) / 2)  in drm_gtf_mode_complex()
4375 		tmp1 = (1000000  - MIN_VSYNC_PLUS_BP * vfieldrate_rqd) / 500;  in drm_gtf_mode_complex()
4386 	 *	vback_porch = vsync_plus_bp - V_SYNC_RQD;  in drm_gtf_mode_complex()
4419 	ideal_duty_cycle = GTF_C_PRIME * 1000 -  in drm_gtf_mode_complex()
4425 			(100000 - ideal_duty_cycle);  in drm_gtf_mode_complex()
4443 	hfront_porch = hblank / 2 - hsync;  in drm_gtf_mode_complex()
4448 	drm_mode->hdisplay = hdisplay_rnd;  in drm_gtf_mode_complex()
4449 	drm_mode->hsync_start = hdisplay_rnd + hfront_porch;  in drm_gtf_mode_complex()
4450 	drm_mode->hsync_end = drm_mode->hsync_start + hsync;  in drm_gtf_mode_complex()
4451 	drm_mode->htotal = total_pixels;  in drm_gtf_mode_complex()
4452 	drm_mode->vdisplay = vdisplay_rnd;  in drm_gtf_mode_complex()
4453 	drm_mode->vsync_start = vdisplay_rnd + vodd_front_porch_lines;  in drm_gtf_mode_complex()
4454 	drm_mode->vsync_end = drm_mode->vsync_start + V_SYNC_RQD;  in drm_gtf_mode_complex()
4455 	drm_mode->vtotal = vtotal_lines;  in drm_gtf_mode_complex()
4457 	drm_mode->clock = pixel_freq;  in drm_gtf_mode_complex()
4460 		drm_mode->vtotal *= 2;  in drm_gtf_mode_complex()
4461 		drm_mode->flags |= DRM_MODE_FLAG_INTERLACE;  in drm_gtf_mode_complex()
4465 		drm_mode->flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC;  in drm_gtf_mode_complex()
4467 		drm_mode->flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC;  in drm_gtf_mode_complex()
4473  * drm_gtf_mode - create the mode based on the GTF algorithm
4512 /** drm_mode_hsync - get the hsync of a mode
4523 	if (mode->htotal < 0)  in drm_mode_hsync()
4526 	calc_val = (mode->clock * 1000) / mode->htotal; /* hsync in Hz */  in drm_mode_hsync()
4534  * drm_mode_std - convert standard mode info (width, height, refresh) into mode
4549 	int num = data->modes;  in drm_mode_std()
4550 	unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)  in drm_mode_std()
4552 	unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)  in drm_mode_std()
4556 	if (bad_std_timing(t->hsize, t->vfreq_aspect))  in drm_mode_std()
4560 	hsize = t->hsize * 8 + 248;  in drm_mode_std()
4565 		if (edid->revision < 3)  in drm_mode_std()
4592 		if (data->mode_buf[i].hdisplay == hsize &&  in drm_mode_std()
4593 		    data->mode_buf[i].vdisplay == vsize &&  in drm_mode_std()
4594 		    drm_get_vrefresh(&data->mode_buf[i]) == vrefresh_rate)  in drm_mode_std()
4601 		mode->hdisplay = 1366;  in drm_mode_std()
4602 		mode->hsync_start = mode->hsync_start - 1;  in drm_mode_std()
4603 		mode->hsync_end = mode->hsync_end - 1;  in drm_mode_std()
4658 	struct detailed_non_pixel *data = &timing->data.other_data;  in do_standard_modes()
4659 	struct edid *edid = closure->edid;  in do_standard_modes()
4661 	if (data->type == EDID_DETAIL_STD_MODES) {  in do_standard_modes()
4668 			std = &data->data.timings[i];  in do_standard_modes()
4669 			newmode = drm_mode_std(closure->data, edid, std);  in do_standard_modes()
4671 				drm_add_hdmi_modes(closure->data, newmode);  in do_standard_modes()
4672 				closure->modes++;  in do_standard_modes()
4680  * add_standard_modes - get std. modes from EDID and add them
4700 				       &edid->standard_timings[i]);  in add_standard_modes()
4725 		for (j = 7; j >= 0; j--) {  in drm_est3_modes()
4726 			m = (i * 8) + (7 - j);  in drm_est3_modes()
4751 	struct detailed_non_pixel *data = &timing->data.other_data;  in do_established_modes()
4753 	if (data->type == EDID_DETAIL_EST_TIMINGS)  in do_established_modes()
4754 		closure->modes += drm_est3_modes(closure->data, timing);  in do_established_modes()
4758  * add_established_modes - get est. modes from EDID and add them
4768 	unsigned long est_bits = edid->established_timings.t1 |  in add_established_modes()
4769 		(edid->established_timings.t2 << 8) |  in add_established_modes()
4770 		((edid->established_timings.mfg_rsvd & 0x80) << 9);  in add_established_modes()
4800 	if (!to_match->clock)  in drm_match_hdmi_mode()
4808 		clock1 = hdmi_mode->clock;  in drm_match_hdmi_mode()
4811 		if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||  in drm_match_hdmi_mode()
4812 		     KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&  in drm_match_hdmi_mode()
4833 	num = data->modes;  in add_alternate_cea_modes()
4841 		mode = &data->mode_buf[i];  in add_alternate_cea_modes()
4858 		clock1 = cea_mode->clock;  in add_alternate_cea_modes()
4863 		if (mode->clock != clock1 && mode->clock != clock2)  in add_alternate_cea_modes()
4872 		newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK;  in add_alternate_cea_modes()
4878 		if (mode->clock != clock1)  in add_alternate_cea_modes()
4879 			newmode->clock = clock1;  in add_alternate_cea_modes()
4881 			newmode->clock = clock2;  in add_alternate_cea_modes()
4905 	      base->rev, base->bytes, base->prod_id, base->ext_count);  in validate_displayid()
4907 	if (base->bytes + 5 > length - idx)  in validate_displayid()
4908 		return -EINVAL;  in validate_displayid()
4909 	for (i = idx; i <= base->bytes + 5; i++)  in validate_displayid()
4913 		return -EINVAL;  in validate_displayid()
4923 	unsigned pixel_clock = (timings->pixel_clock[0] |  in drm_displayid_detailed()
4924 				(timings->pixel_clock[1] << 8) |  in drm_displayid_detailed()
4925 				(timings->pixel_clock[2] << 16));  in drm_displayid_detailed()
4926 	unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;  in drm_displayid_detailed()
4927 	unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;  in drm_displayid_detailed()
4928 	unsigned hsync = (timings->hsync[0] |  in drm_displayid_detailed()
4929 		(timings->hsync[1] & 0x7f) << 8) + 1;  in drm_displayid_detailed()
4930 	unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1;  in drm_displayid_detailed()
4931 	unsigned vactive = (timings->vactive[0] |  in drm_displayid_detailed()
4932 		timings->vactive[1] << 8) + 1;  in drm_displayid_detailed()
4933 	unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1;  in drm_displayid_detailed()
4934 	unsigned vsync = (timings->vsync[0] |  in drm_displayid_detailed()
4935 		(timings->vsync[1] & 0x7f) << 8) + 1;  in drm_displayid_detailed()
4936 	unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1;  in drm_displayid_detailed()
4937 	bool hsync_positive = (timings->hsync[1] >> 7) & 0x1;  in drm_displayid_detailed()
4938 	bool vsync_positive = (timings->vsync[1] >> 7) & 0x1;  in drm_displayid_detailed()
4944 	mode->clock = pixel_clock * 10;  in drm_displayid_detailed()
4945 	mode->hdisplay = hactive;  in drm_displayid_detailed()
4946 	mode->hsync_start = mode->hdisplay + hsync;  in drm_displayid_detailed()
4947 	mode->hsync_end = mode->hsync_start + hsync_width;  in drm_displayid_detailed()
4948 	mode->htotal = mode->hdisplay + hblank;  in drm_displayid_detailed()
4950 	mode->vdisplay = vactive;  in drm_displayid_detailed()
4951 	mode->vsync_start = mode->vdisplay + vsync;  in drm_displayid_detailed()
4952 	mode->vsync_end = mode->vsync_start + vsync_width;  in drm_displayid_detailed()
4953 	mode->vtotal = mode->vdisplay + vblank;  in drm_displayid_detailed()
4955 	mode->flags = 0;  in drm_displayid_detailed()
4956 	mode->flags |=  in drm_displayid_detailed()
4958 	mode->flags |=  in drm_displayid_detailed()
4960 	mode->type = DRM_MODE_TYPE_DRIVER;  in drm_displayid_detailed()
4962 	if (timings->flags & 0x80)  in drm_displayid_detailed()
4963 		mode->type |= DRM_MODE_TYPE_PREFERRED;  in drm_displayid_detailed()
4964 	mode->vrefresh = drm_get_vrefresh(mode);  in drm_displayid_detailed()
4980 	if (block->num_bytes % 20)  in add_displayid_detailed_1_modes()
4983 	num_timings = block->num_bytes / 20;  in add_displayid_detailed_1_modes()
4986 			&det->timings[i];  in add_displayid_detailed_1_modes()
5020 	       idx + sizeof(struct displayid_block) + block->num_bytes <=  in add_displayid_detailed_modes()
5021 	       length && block->num_bytes > 0) {  in add_displayid_detailed_modes()
5022 		idx += block->num_bytes + sizeof(struct displayid_block);  in add_displayid_detailed_modes()
5023 		switch (block->tag) {  in add_displayid_detailed_modes()
5040 	if (edid->revision >= 4)  in mode_in_hsync_range()
5043 	if (edid->revision >= 4)  in mode_in_hsync_range()
5057 	if (edid->revision >= 4)  in mode_in_vsync_range()
5060 	if (edid->revision >= 4)  in mode_in_vsync_range()
5075 	if (edid->revision >= 4 && t[10] == 0x04)  in range_pixel_clock()
5076 		return (t[9] * 10000) - ((t[12] >> 2) * 250);  in range_pixel_clock()
5078 	/* 1.3 is pathetic, so fuzz up a bit */  in range_pixel_clock()
5097 		if (mode->clock > max_clock)  in mode_in_range()
5101 	if (edid->revision >= 4 && t[10] == 0x04)  in mode_in_range()
5102 		if (t[13] && mode->hdisplay > 8 *  in mode_in_range()
5119 	for (i = 0; i < data->modes; i++) {  in valid_inferred_mode()
5120 		m = &data->mode_buf[i];  in valid_inferred_mode()
5121 		if (mode->hdisplay == m->hdisplay &&  in valid_inferred_mode()
5122 		    mode->vdisplay == m->vdisplay &&  in valid_inferred_mode()
5125 		if (mode->hdisplay <= m->hdisplay &&  in valid_inferred_mode()
5126 		    mode->vdisplay <= m->vdisplay)  in valid_inferred_mode()
5154 	if (mode->hdisplay == 1368 && mode->vdisplay == 768) {  in fixup_mode_1366x768()
5155 		mode->hdisplay = 1366;  in fixup_mode_1366x768()
5156 		mode->hsync_start--;  in fixup_mode_1366x768()
5157 		mode->hsync_end--;  in fixup_mode_1366x768()
5171 		newmode = drm_gtf_mode(m->w, m->h, m->r, 0, 0);  in drm_gtf_modes_for_range()
5201 		newmode = drm_cvt_mode(m->w, m->h, m->r, rb, 0, 0);  in drm_cvt_modes_for_range()
5224 	struct detailed_non_pixel *data = &timing->data.other_data;  in do_inferred_modes()
5225 	struct detailed_data_monitor_range *range = &data->data.range;  in do_inferred_modes()
5227 	if (data->type != EDID_DETAIL_MONITOR_RANGE)  in do_inferred_modes()
5230 	closure->modes += drm_dmt_modes_for_range(closure->data,  in do_inferred_modes()
5231 						  closure->edid,  in do_inferred_modes()
5234 	if (!version_greater(closure->edid, 1, 1))  in do_inferred_modes()
5237 	switch (range->flags) {  in do_inferred_modes()
5240 		closure->modes += drm_gtf_modes_for_range(closure->data,  in do_inferred_modes()
5241 							  closure->edid,  in do_inferred_modes()
5245 		if (!version_greater(closure->edid, 1, 3))  in do_inferred_modes()
5248 		closure->modes += drm_cvt_modes_for_range(closure->data,  in do_inferred_modes()
5249 							  closure->edid,  in do_inferred_modes()
5273 #define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
5274 #define MODE_REFRESH_DIFF(c, t) (abs((c) - (t)))
5277  * edid_fixup_preferred - set preferred modes based on quirk list
5289 	int num = data->modes;  in edid_fixup_preferred()
5295 	preferred_mode = data->preferred_mode;  in edid_fixup_preferred()
5303 		cur_mode = &data->mode_buf[i];  in edid_fixup_preferred()
5304 		cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;  in edid_fixup_preferred()
5313 		cur_vrefresh = cur_mode->vrefresh ?  in edid_fixup_preferred()
5314 		cur_mode->vrefresh : drm_get_vrefresh(cur_mode);  in edid_fixup_preferred()
5315 		preferred_vrefresh = preferred_mode->vrefresh ?  in edid_fixup_preferred()
5316 		preferred_mode->vrefresh : drm_get_vrefresh(preferred_mode);  in edid_fixup_preferred()
5324 	preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;  in edid_fixup_preferred()
5325 	data->preferred_mode = preferred_mode;  in edid_fixup_preferred()
5333  * drm_edid_header_is_valid - sanity check the header of the base EDID block
5371  * drm_edid_block_valid - Sanity check the EDID block (base or extension)
5402 			 * fix-up code here will correct the problem, the  in drm_edid_block_valid()
5431 	/* per-block-type checks */  in drm_edid_block_valid()
5434 		if (edid->version != 1) {  in drm_edid_block_valid()
5436 			      edid->version);  in drm_edid_block_valid()
5440 		if (edid->revision > 4)  in drm_edid_block_valid()
5464  * drm_edid_is_valid - sanity check EDID data
5467  * Sanity-check an entire EDID record (including extensions)
5479 	for (i = 0; i <= edid->extensions; i++)  in drm_edid_is_valid()
5487  * drm_add_edid_modes - add modes from EDID data, if available
5511 	if (!data->mode_buf) {  in drm_add_edid_modes()
5518 	 * CEA-861-F adds ycbcr capability map block, for HDMI 2.0 sinks.  in drm_add_edid_modes()
5526 	 * - preferred detailed mode  in drm_add_edid_modes()
5527 	 * - other detailed modes from base block  in drm_add_edid_modes()
5528 	 * - detailed modes from extension blocks  in drm_add_edid_modes()
5529 	 * - CVT 3-byte code modes  in drm_add_edid_modes()
5530 	 * - standard timing codes  in drm_add_edid_modes()
5531 	 * - established timing codes  in drm_add_edid_modes()
5532 	 * - modes inferred from GTF or CVT range information  in drm_add_edid_modes()
5546 	if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)  in drm_add_edid_modes()
5550 		data->preferred_mode = &data->mode_buf[0];  in drm_add_edid_modes()
5556 		data->display_info.bpc = 6;  in drm_add_edid_modes()
5559 		data->display_info.bpc = 8;  in drm_add_edid_modes()
5562 		data->display_info.bpc = 10;  in drm_add_edid_modes()
5565 		data->display_info.bpc = 12;  in drm_add_edid_modes()
5574 	if (!to_match->clock) {  in drm_match_cea_mode()
5584 		clock1 = cea_mode->clock;  in drm_match_cea_mode()
5586 		if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||  in drm_match_cea_mode()
5587 		     KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&  in drm_match_cea_mode()
5600 		return mode->picture_aspect_ratio;  in drm_get_cea_aspect_ratio()
5613 		return -EINVAL;  in drm_hdmi_avi_infoframe_from_display_mode()
5619 	if (mode->flags & DRM_MODE_FLAG_DBLCLK)  in drm_hdmi_avi_infoframe_from_display_mode()
5620 		frame->pixel_repeat = 1;  in drm_hdmi_avi_infoframe_from_display_mode()
5622 	frame->video_code = drm_match_cea_mode(mode);  in drm_hdmi_avi_infoframe_from_display_mode()
5625 	 * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but  in drm_hdmi_avi_infoframe_from_display_mode()
5626 	 * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we  in drm_hdmi_avi_infoframe_from_display_mode()
5629 	if (!is_hdmi2_sink && frame->video_code > 64)  in drm_hdmi_avi_infoframe_from_display_mode()
5630 		frame->video_code = 0;  in drm_hdmi_avi_infoframe_from_display_mode()
5638 	if (frame->video_code) {  in drm_hdmi_avi_infoframe_from_display_mode()
5640 		bool is_s3d = mode->flags & DRM_MODE_FLAG_3D_MASK;  in drm_hdmi_avi_infoframe_from_display_mode()
5643 			frame->video_code = 0;  in drm_hdmi_avi_infoframe_from_display_mode()
5646 	frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;  in drm_hdmi_avi_infoframe_from_display_mode()
5652 	if (mode->picture_aspect_ratio == HDMI_PICTURE_ASPECT_4_3 ||  in drm_hdmi_avi_infoframe_from_display_mode()
5653 	    mode->picture_aspect_ratio == HDMI_PICTURE_ASPECT_16_9)  in drm_hdmi_avi_infoframe_from_display_mode()
5654 		frame->picture_aspect = mode->picture_aspect_ratio;  in drm_hdmi_avi_infoframe_from_display_mode()
5655 	else if (frame->video_code > 0)  in drm_hdmi_avi_infoframe_from_display_mode()
5656 		frame->picture_aspect = drm_get_cea_aspect_ratio(  in drm_hdmi_avi_infoframe_from_display_mode()
5657 						frame->video_code);  in drm_hdmi_avi_infoframe_from_display_mode()
5659 	if (frame->picture_aspect > HDMI_PICTURE_ASPECT_16_9)  in drm_hdmi_avi_infoframe_from_display_mode()
5660 		frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;  in drm_hdmi_avi_infoframe_from_display_mode()
5661 	frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;  in drm_hdmi_avi_infoframe_from_display_mode()
5662 	frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;  in drm_hdmi_avi_infoframe_from_display_mode()
5668  * hdmi_vendor_infoframe_init() - initialize an HDMI vendor infoframe
5677 	frame->type = HDMI_INFOFRAME_TYPE_VENDOR;  in hdmi_vendor_infoframe_init()
5678 	frame->version = 1;  in hdmi_vendor_infoframe_init()
5680 	frame->oui = HDMI_IEEE_OUI;  in hdmi_vendor_infoframe_init()
5686 	frame->s3d_struct = HDMI_3D_STRUCTURE_INVALID;  in hdmi_vendor_infoframe_init()
5692  * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
5705 	 * CEA-861:  in drm_hdmi_avi_infoframe_quant_range()
5706 	 * "A Source shall not send a non-zero Q value that does not correspond  in drm_hdmi_avi_infoframe_quant_range()
5711 	 * HDMI 2.0 recommends sending non-zero Q when it does match the  in drm_hdmi_avi_infoframe_quant_range()
5716 		frame->quantization_range = rgb_quant_range;  in drm_hdmi_avi_infoframe_quant_range()
5718 		frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;  in drm_hdmi_avi_infoframe_quant_range()
5721 	 * CEA-861-F:  in drm_hdmi_avi_infoframe_quant_range()
5723 	 *  YQ-field to match the RGB Quantization Range being transmitted  in drm_hdmi_avi_infoframe_quant_range()
5725 	 *  set YQ=1) and the Sink shall ignore the YQ-field."  in drm_hdmi_avi_infoframe_quant_range()
5728 		frame->ycc_quantization_range =  in drm_hdmi_avi_infoframe_quant_range()
5731 		frame->ycc_quantization_range =  in drm_hdmi_avi_infoframe_quant_range()
5738 	u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK;  in s3d_structure_from_display_mode()
5771 		return -EINVAL;  in drm_hdmi_vendor_infoframe_from_display_mode()
5775 	s3d_flags = mode->flags & DRM_MODE_FLAG_3D_MASK;  in drm_hdmi_vendor_infoframe_from_display_mode()
5778 		return -EINVAL;  in drm_hdmi_vendor_infoframe_from_display_mode()
5781 		return -EINVAL;  in drm_hdmi_vendor_infoframe_from_display_mode()
5788 		frame->vic = vic;  in drm_hdmi_vendor_infoframe_from_display_mode()
5790 		frame->s3d_struct = s3d_structure_from_display_mode(mode);  in drm_hdmi_vendor_infoframe_from_display_mode()
5804 	return 256 - csum;  in hdmi_infoframe_checksum()
5815  * hdmi_avi_infoframe_init() - initialize an HDMI AVI infoframe
5824 	frame->type = HDMI_INFOFRAME_TYPE_AVI;  in hdmi_avi_infoframe_init()
5825 	frame->version = 2;  in hdmi_avi_infoframe_init()
5826 	frame->length = HDMI_AVI_INFOFRAME_SIZE;  in hdmi_avi_infoframe_init()
5833  * hdmi_avi_infoframe_pack() - write HDMI AVI infoframe to binary buffer
5852 	length = HDMI_INFOFRAME_HEADER_SIZE + frame->length;  in hdmi_avi_infoframe_pack()
5855 		return -ENOSPC;  in hdmi_avi_infoframe_pack()
5859 	ptr[0] = frame->type;  in hdmi_avi_infoframe_pack()
5860 	ptr[1] = frame->version;  in hdmi_avi_infoframe_pack()
5861 	ptr[2] = frame->length;  in hdmi_avi_infoframe_pack()
5867 	ptr[0] = ((frame->colorspace & 0x3) << 5) | (frame->scan_mode & 0x3);  in hdmi_avi_infoframe_pack()
5873 	if (frame->active_aspect & 0xf)  in hdmi_avi_infoframe_pack()
5877 	if (frame->top_bar || frame->bottom_bar)  in hdmi_avi_infoframe_pack()
5880 	if (frame->left_bar || frame->right_bar)  in hdmi_avi_infoframe_pack()
5883 	ptr[1] = ((frame->colorimetry & 0x3) << 6) |  in hdmi_avi_infoframe_pack()
5884 		 ((frame->picture_aspect & 0x3) << 4) |  in hdmi_avi_infoframe_pack()
5885 		 (frame->active_aspect & 0xf);  in hdmi_avi_infoframe_pack()
5887 	ptr[2] = ((frame->extended_colorimetry & 0x7) << 4) |  in hdmi_avi_infoframe_pack()
5888 		 ((frame->quantization_range & 0x3) << 2) |  in hdmi_avi_infoframe_pack()
5889 		 (frame->nups & 0x3);  in hdmi_avi_infoframe_pack()
5891 	if (frame->itc)  in hdmi_avi_infoframe_pack()
5894 	ptr[3] = frame->video_code & 0x7f;  in hdmi_avi_infoframe_pack()
5896 	ptr[4] = ((frame->ycc_quantization_range & 0x3) << 6) |  in hdmi_avi_infoframe_pack()
5897 		 ((frame->content_type & 0x3) << 4) |  in hdmi_avi_infoframe_pack()
5898 		 (frame->pixel_repeat & 0xf);  in hdmi_avi_infoframe_pack()
5900 	ptr[5] = frame->top_bar & 0xff;  in hdmi_avi_infoframe_pack()
5901 	ptr[6] = (frame->top_bar >> 8) & 0xff;  in hdmi_avi_infoframe_pack()
5902 	ptr[7] = frame->bottom_bar & 0xff;  in hdmi_avi_infoframe_pack()
5903 	ptr[8] = (frame->bottom_bar >> 8) & 0xff;  in hdmi_avi_infoframe_pack()
5904 	ptr[9] = frame->left_bar & 0xff;  in hdmi_avi_infoframe_pack()
5905 	ptr[10] = (frame->left_bar >> 8) & 0xff;  in hdmi_avi_infoframe_pack()
5906 	ptr[11] = frame->right_bar & 0xff;  in hdmi_avi_infoframe_pack()
5907 	ptr[12] = (frame->right_bar >> 8) & 0xff;  in hdmi_avi_infoframe_pack()
5917 	if (frame->type != HDMI_INFOFRAME_TYPE_AVI ||  in hdmi_avi_infoframe_check_only()
5918 	    frame->version != 2 ||  in hdmi_avi_infoframe_check_only()
5919 	    frame->length != HDMI_AVI_INFOFRAME_SIZE)  in hdmi_avi_infoframe_check_only()
5920 		return -EINVAL;  in hdmi_avi_infoframe_check_only()
5922 	if (frame->picture_aspect > HDMI_PICTURE_ASPECT_16_9)  in hdmi_avi_infoframe_check_only()
5923 		return -EINVAL;  in hdmi_avi_infoframe_check_only()
5929  * hdmi_avi_infoframe_check() - check a HDMI AVI infoframe
5944  * hdmi_avi_infoframe_pack_only() - write HDMI AVI infoframe to binary buffer
5968 	length = HDMI_INFOFRAME_HEADER_SIZE + frame->length;  in hdmi_avi_infoframe_pack_only()
5971 		return -ENOSPC;  in hdmi_avi_infoframe_pack_only()
5975 	ptr[0] = frame->type;  in hdmi_avi_infoframe_pack_only()
5976 	ptr[1] = frame->version;  in hdmi_avi_infoframe_pack_only()
5977 	ptr[2] = frame->length;  in hdmi_avi_infoframe_pack_only()
5983 	ptr[0] = ((frame->colorspace & 0x3) << 5) | (frame->scan_mode & 0x3);  in hdmi_avi_infoframe_pack_only()
5989 	if (frame->active_aspect & 0xf)  in hdmi_avi_infoframe_pack_only()
5993 	if (frame->top_bar || frame->bottom_bar)  in hdmi_avi_infoframe_pack_only()
5996 	if (frame->left_bar || frame->right_bar)  in hdmi_avi_infoframe_pack_only()
5999 	ptr[1] = ((frame->colorimetry & 0x3) << 6) |  in hdmi_avi_infoframe_pack_only()
6000 		 ((frame->picture_aspect & 0x3) << 4) |  in hdmi_avi_infoframe_pack_only()
6001 		 (frame->active_aspect & 0xf);  in hdmi_avi_infoframe_pack_only()
6003 	ptr[2] = ((frame->extended_colorimetry & 0x7) << 4) |  in hdmi_avi_infoframe_pack_only()
6004 		 ((frame->quantization_range & 0x3) << 2) |  in hdmi_avi_infoframe_pack_only()
6005 		 (frame->nups & 0x3);  in hdmi_avi_infoframe_pack_only()
6007 	if (frame->itc)  in hdmi_avi_infoframe_pack_only()
6010 	ptr[3] = frame->video_code & 0xff;  in hdmi_avi_infoframe_pack_only()
6012 	ptr[4] = ((frame->ycc_quantization_range & 0x3) << 6) |  in hdmi_avi_infoframe_pack_only()
6013 		 ((frame->content_type & 0x3) << 4) |  in hdmi_avi_infoframe_pack_only()
6014 		 (frame->pixel_repeat & 0xf);  in hdmi_avi_infoframe_pack_only()
6016 	ptr[5] = frame->top_bar & 0xff;  in hdmi_avi_infoframe_pack_only()
6017 	ptr[6] = (frame->top_bar >> 8) & 0xff;  in hdmi_avi_infoframe_pack_only()
6018 	ptr[7] = frame->bottom_bar & 0xff;  in hdmi_avi_infoframe_pack_only()
6019 	ptr[8] = (frame->bottom_bar >> 8) & 0xff;  in hdmi_avi_infoframe_pack_only()
6020 	ptr[9] = frame->left_bar & 0xff;  in hdmi_avi_infoframe_pack_only()
6021 	ptr[10] = (frame->left_bar >> 8) & 0xff;  in hdmi_avi_infoframe_pack_only()
6022 	ptr[11] = frame->right_bar & 0xff;  in hdmi_avi_infoframe_pack_only()
6023 	ptr[12] = (frame->right_bar >> 8) & 0xff;  in hdmi_avi_infoframe_pack_only()
6032  * hdmi_spd_infoframe_init() - initialize an HDMI SPD infoframe
6044 	frame->type = HDMI_INFOFRAME_TYPE_SPD;  in hdmi_spd_infoframe_init()
6045 	frame->version = 1;  in hdmi_spd_infoframe_init()
6046 	frame->length = HDMI_SPD_INFOFRAME_SIZE;  in hdmi_spd_infoframe_init()
6048 	strncpy(frame->vendor, vendor, sizeof(frame->vendor));  in hdmi_spd_infoframe_init()
6049 	strncpy(frame->product, product, sizeof(frame->product));  in hdmi_spd_infoframe_init()
6056  * hdmi_spd_infoframe_pack() - write HDMI SPD infoframe to binary buffer
6075 	length = HDMI_INFOFRAME_HEADER_SIZE + frame->length;  in hdmi_spd_infoframe_pack()
6078 		return -ENOSPC;  in hdmi_spd_infoframe_pack()
6082 	ptr[0] = frame->type;  in hdmi_spd_infoframe_pack()
6083 	ptr[1] = frame->version;  in hdmi_spd_infoframe_pack()
6084 	ptr[2] = frame->length;  in hdmi_spd_infoframe_pack()
6090 	memcpy(ptr, frame->vendor, sizeof(frame->vendor));  in hdmi_spd_infoframe_pack()
6091 	memcpy(ptr + 8, frame->product, sizeof(frame->product));  in hdmi_spd_infoframe_pack()
6093 	ptr[24] = frame->sdi;  in hdmi_spd_infoframe_pack()
6102  * hdmi_audio_infoframe_init() - initialize an HDMI audio infoframe
6111 	frame->type = HDMI_INFOFRAME_TYPE_AUDIO;  in hdmi_audio_infoframe_init()
6112 	frame->version = 1;  in hdmi_audio_infoframe_init()
6113 	frame->length = HDMI_AUDIO_INFOFRAME_SIZE;  in hdmi_audio_infoframe_init()
6119  * hdmi_audio_infoframe_pack() - write HDMI audio infoframe to binary buffer
6139 	length = HDMI_INFOFRAME_HEADER_SIZE + frame->length;  in hdmi_audio_infoframe_pack()
6142 		return -ENOSPC;  in hdmi_audio_infoframe_pack()
6146 	if (frame->channels >= 2)  in hdmi_audio_infoframe_pack()
6147 		channels = frame->channels - 1;  in hdmi_audio_infoframe_pack()
6151 	ptr[0] = frame->type;  in hdmi_audio_infoframe_pack()
6152 	ptr[1] = frame->version;  in hdmi_audio_infoframe_pack()
6153 	ptr[2] = frame->length;  in hdmi_audio_infoframe_pack()
6159 	ptr[0] = ((frame->coding_type & 0xf) << 4) | (channels & 0x7);  in hdmi_audio_infoframe_pack()
6160 	ptr[1] = ((frame->sample_frequency & 0x7) << 2) |  in hdmi_audio_infoframe_pack()
6161 		 (frame->sample_size & 0x3);  in hdmi_audio_infoframe_pack()
6162 	ptr[2] = frame->coding_type_ext & 0x1f;  in hdmi_audio_infoframe_pack()
6163 	ptr[3] = frame->channel_allocation;  in hdmi_audio_infoframe_pack()
6164 	ptr[4] = (frame->level_shift_value & 0xf) << 3;  in hdmi_audio_infoframe_pack()
6166 	if (frame->downmix_inhibit)  in hdmi_audio_infoframe_pack()
6175  * hdmi_vendor_infoframe_pack() - write a HDMI vendor infoframe to binary buffer
6195 	if (frame->vic == 0 && frame->s3d_struct == HDMI_3D_STRUCTURE_INVALID)  in hdmi_vendor_infoframe_pack()
6196 		return -EINVAL;  in hdmi_vendor_infoframe_pack()
6199 	if (frame->vic != 0 && frame->s3d_struct != HDMI_3D_STRUCTURE_INVALID)  in hdmi_vendor_infoframe_pack()
6200 		return -EINVAL;  in hdmi_vendor_infoframe_pack()
6203 	if (frame->s3d_struct >= HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF)  in hdmi_vendor_infoframe_pack()
6204 		frame->length = 6;  in hdmi_vendor_infoframe_pack()
6206 		frame->length = 5;  in hdmi_vendor_infoframe_pack()
6208 	length = HDMI_INFOFRAME_HEADER_SIZE + frame->length;  in hdmi_vendor_infoframe_pack()
6211 		return -ENOSPC;  in hdmi_vendor_infoframe_pack()
6215 	ptr[0] = frame->type;  in hdmi_vendor_infoframe_pack()
6216 	ptr[1] = frame->version;  in hdmi_vendor_infoframe_pack()
6217 	ptr[2] = frame->length;  in hdmi_vendor_infoframe_pack()
6225 	if (frame->vic) {  in hdmi_vendor_infoframe_pack()
6227 		ptr[8] = frame->vic;  in hdmi_vendor_infoframe_pack()
6230 		ptr[8] = (frame->s3d_struct & 0xf) << 4;  in hdmi_vendor_infoframe_pack()
6231 		if (frame->s3d_struct >= HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF)  in hdmi_vendor_infoframe_pack()
6232 			ptr[9] = (frame->s3d_ext_data & 0xf) << 4;  in hdmi_vendor_infoframe_pack()
6241  * hdmi_drm_infoframe_init() - initialize an HDMI Dynaminc Range and
6251 	frame->type = HDMI_INFOFRAME_TYPE_DRM;  in hdmi_drm_infoframe_init()
6252 	frame->version = 1;  in hdmi_drm_infoframe_init()
6258  * hdmi_drm_infoframe_pack() - write HDMI DRM infoframe to binary buffer
6277 	length = HDMI_INFOFRAME_HEADER_SIZE + frame->length;  in hdmi_drm_infoframe_pack()
6280 		return -ENOSPC;  in hdmi_drm_infoframe_pack()
6284 	ptr[0] = frame->type;  in hdmi_drm_infoframe_pack()
6285 	ptr[1] = frame->version;  in hdmi_drm_infoframe_pack()
6286 	ptr[2] = frame->length;  in hdmi_drm_infoframe_pack()
6292 	ptr[0] = frame->eotf;  in hdmi_drm_infoframe_pack()
6293 	ptr[1] = frame->metadata_type;  in hdmi_drm_infoframe_pack()
6295 	ptr[2] = frame->display_primaries_x[0] & 0xff;  in hdmi_drm_infoframe_pack()
6296 	ptr[3] = frame->display_primaries_x[0] >> 8;  in hdmi_drm_infoframe_pack()
6298 	ptr[4] = frame->display_primaries_x[1] & 0xff;  in hdmi_drm_infoframe_pack()
6299 	ptr[5] = frame->display_primaries_x[1] >> 8;  in hdmi_drm_infoframe_pack()
6301 	ptr[6] = frame->display_primaries_x[2] & 0xff;  in hdmi_drm_infoframe_pack()
6302 	ptr[7] = frame->display_primaries_x[2] >> 8;  in hdmi_drm_infoframe_pack()
6304 	ptr[9] = frame->display_primaries_y[0] & 0xff;  in hdmi_drm_infoframe_pack()
6305 	ptr[10] = frame->display_primaries_y[0] >> 8;  in hdmi_drm_infoframe_pack()
6307 	ptr[11] = frame->display_primaries_y[1] & 0xff;  in hdmi_drm_infoframe_pack()
6308 	ptr[12] = frame->display_primaries_y[1] >> 8;  in hdmi_drm_infoframe_pack()
6310 	ptr[13] = frame->display_primaries_y[2] & 0xff;  in hdmi_drm_infoframe_pack()
6311 	ptr[14] = frame->display_primaries_y[2] >> 8;  in hdmi_drm_infoframe_pack()
6313 	ptr[15] = frame->white_point_x & 0xff;  in hdmi_drm_infoframe_pack()
6314 	ptr[16] = frame->white_point_x >> 8;  in hdmi_drm_infoframe_pack()
6316 	ptr[17] = frame->white_point_y & 0xff;  in hdmi_drm_infoframe_pack()
6317 	ptr[18] = frame->white_point_y >> 8;  in hdmi_drm_infoframe_pack()
6319 	ptr[19] = frame->max_mastering_display_luminance & 0xff;  in hdmi_drm_infoframe_pack()
6320 	ptr[20] = frame->max_mastering_display_luminance >> 8;  in hdmi_drm_infoframe_pack()
6322 	ptr[21] = frame->min_mastering_display_luminance & 0xff;  in hdmi_drm_infoframe_pack()
6323 	ptr[22] = frame->min_mastering_display_luminance >> 8;  in hdmi_drm_infoframe_pack()
6325 	ptr[23] = frame->max_cll & 0xff;  in hdmi_drm_infoframe_pack()
6326 	ptr[24] = frame->max_cll >> 8;  in hdmi_drm_infoframe_pack()
6328 	ptr[25] = frame->max_fall & 0xff;  in hdmi_drm_infoframe_pack()
6329 	ptr[26] = frame->max_fall >> 8;  in hdmi_drm_infoframe_pack()
6337  * hdmi_vendor_any_infoframe_pack() - write a vendor infoframe to binary buffer
6344 	if (frame->any.oui != HDMI_IEEE_OUI)  in hdmi_vendor_any_infoframe_pack()
6345 		return -EINVAL;  in hdmi_vendor_any_infoframe_pack()
6347 	return hdmi_vendor_infoframe_pack(&frame->hdmi, buffer, size);  in hdmi_vendor_any_infoframe_pack()
6351  * hdmi_infoframe_pack() - write a HDMI infoframe to binary buffer
6369 	switch (frame->any.type) {  in hdmi_infoframe_pack()
6371 		length = hdmi_avi_infoframe_pack(&frame->avi, buffer, size);  in hdmi_infoframe_pack()
6374 		length = hdmi_drm_infoframe_pack(&frame->drm, buffer, size);  in hdmi_infoframe_pack()
6377 		length = hdmi_spd_infoframe_pack(&frame->spd, buffer, size);  in hdmi_infoframe_pack()
6380 		length = hdmi_audio_infoframe_pack(&frame->audio, buffer, size);  in hdmi_infoframe_pack()
6383 		length = hdmi_vendor_any_infoframe_pack(&frame->vendor,  in hdmi_infoframe_pack()
6387 		printf("Bad infoframe type %d\n", frame->any.type);  in hdmi_infoframe_pack()
6388 		length = -EINVAL;  in hdmi_infoframe_pack()
6395  * hdmi_avi_infoframe_unpack() - unpack binary buffer to a HDMI AVI infoframe
6415 		return -EINVAL;  in hdmi_avi_infoframe_unpack()
6418 		return -EINVAL;  in hdmi_avi_infoframe_unpack()
6426 	frame->colorspace = (ptr[0] >> 5) & 0x3;  in hdmi_avi_infoframe_unpack()
6428 		frame->active_aspect = ptr[1] & 0xf;  in hdmi_avi_infoframe_unpack()
6430 		frame->top_bar = (ptr[5] << 8) + ptr[6];  in hdmi_avi_infoframe_unpack()
6431 		frame->bottom_bar = (ptr[7] << 8) + ptr[8];  in hdmi_avi_infoframe_unpack()
6434 		frame->left_bar = (ptr[9] << 8) + ptr[10];  in hdmi_avi_infoframe_unpack()
6435 		frame->right_bar = (ptr[11] << 8) + ptr[12];  in hdmi_avi_infoframe_unpack()
6437 	frame->scan_mode = ptr[0] & 0x3;  in hdmi_avi_infoframe_unpack()
6439 	frame->colorimetry = (ptr[1] >> 6) & 0x3;  in hdmi_avi_infoframe_unpack()
6440 	frame->picture_aspect = (ptr[1] >> 4) & 0x3;  in hdmi_avi_infoframe_unpack()
6441 	frame->active_aspect = ptr[1] & 0xf;  in hdmi_avi_infoframe_unpack()
6443 	frame->itc = ptr[2] & 0x80 ? true : false;  in hdmi_avi_infoframe_unpack()
6444 	frame->extended_colorimetry = (ptr[2] >> 4) & 0x7;  in hdmi_avi_infoframe_unpack()
6445 	frame->quantization_range = (ptr[2] >> 2) & 0x3;  in hdmi_avi_infoframe_unpack()
6446 	frame->nups = ptr[2] & 0x3;  in hdmi_avi_infoframe_unpack()
6448 	frame->video_code = ptr[3] & 0x7f;  in hdmi_avi_infoframe_unpack()
6449 	frame->ycc_quantization_range = (ptr[4] >> 6) & 0x3;  in hdmi_avi_infoframe_unpack()
6450 	frame->content_type = (ptr[4] >> 4) & 0x3;  in hdmi_avi_infoframe_unpack()
6452 	frame->pixel_repeat = ptr[4] & 0xf;  in hdmi_avi_infoframe_unpack()
6458  * hdmi_spd_infoframe_unpack() - unpack binary buffer to a HDMI SPD infoframe
6478 		return -EINVAL;  in hdmi_spd_infoframe_unpack()
6482 		return -EINVAL;  in hdmi_spd_infoframe_unpack()
6490 	frame->sdi = ptr[24];  in hdmi_spd_infoframe_unpack()
6496  * hdmi_audio_infoframe_unpack() - unpack binary buffer to a HDMI AUDIO infoframe
6516 		return -EINVAL;  in hdmi_audio_infoframe_unpack()
6520 		return -EINVAL;  in hdmi_audio_infoframe_unpack()
6528 	frame->channels = ptr[0] & 0x7;  in hdmi_audio_infoframe_unpack()
6529 	frame->coding_type = (ptr[0] >> 4) & 0xf;  in hdmi_audio_infoframe_unpack()
6530 	frame->sample_size = ptr[1] & 0x3;  in hdmi_audio_infoframe_unpack()
6531 	frame->sample_frequency = (ptr[1] >> 2) & 0x7;  in hdmi_audio_infoframe_unpack()
6532 	frame->coding_type_ext = ptr[2] & 0x1f;  in hdmi_audio_infoframe_unpack()
6533 	frame->channel_allocation = ptr[3];  in hdmi_audio_infoframe_unpack()
6534 	frame->level_shift_value = (ptr[4] >> 3) & 0xf;  in hdmi_audio_infoframe_unpack()
6535 	frame->downmix_inhibit = ptr[4] & 0x80 ? true : false;  in hdmi_audio_infoframe_unpack()
6541  * hdmi_vendor_infoframe_unpack() - unpack binary buffer to a HDMI vendor infoframe
6560 	struct hdmi_vendor_infoframe *hvf = &frame->hdmi;  in hdmi_vendor_any_infoframe_unpack()
6565 		return -EINVAL;  in hdmi_vendor_any_infoframe_unpack()
6571 		return -EINVAL;  in hdmi_vendor_any_infoframe_unpack()
6579 		return -EINVAL;  in hdmi_vendor_any_infoframe_unpack()
6584 		return -EINVAL;  in hdmi_vendor_any_infoframe_unpack()
6590 	hvf->length = length;  in hdmi_vendor_any_infoframe_unpack()
6594 			return -EINVAL;  in hdmi_vendor_any_infoframe_unpack()
6595 		hvf->s3d_struct = ptr[4] >> 4;  in hdmi_vendor_any_infoframe_unpack()
6596 		if (hvf->s3d_struct >= HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF) {  in hdmi_vendor_any_infoframe_unpack()
6598 				return -EINVAL;  in hdmi_vendor_any_infoframe_unpack()
6599 			hvf->s3d_ext_data = ptr[5] >> 4;  in hdmi_vendor_any_infoframe_unpack()
6603 			return -EINVAL;  in hdmi_vendor_any_infoframe_unpack()
6604 		hvf->vic = ptr[4];  in hdmi_vendor_any_infoframe_unpack()
6607 			return -EINVAL;  in hdmi_vendor_any_infoframe_unpack()
6614  * hdmi_infoframe_unpack() - unpack binary buffer to a HDMI infoframe
6632 		ret = hdmi_avi_infoframe_unpack(&frame->avi, buffer);  in hdmi_infoframe_unpack()
6635 		ret = hdmi_spd_infoframe_unpack(&frame->spd, buffer);  in hdmi_infoframe_unpack()
6638 		ret = hdmi_audio_infoframe_unpack(&frame->audio, buffer);  in hdmi_infoframe_unpack()
6641 		ret = hdmi_vendor_any_infoframe_unpack(&frame->vendor, buffer);  in hdmi_infoframe_unpack()
6644 		ret = -EINVAL;  in hdmi_infoframe_unpack()
6652  * drm_mode_sort - sort mode list
6663 	for (i = 0; i < (edid_data->modes - 1); i++) {  in drm_mode_sort()
6664 		a = &edid_data->mode_buf[i];  in drm_mode_sort()
6665 		for (j = i + 1; j < edid_data->modes; j++) {  in drm_mode_sort()
6666 			b = &edid_data->mode_buf[j];  in drm_mode_sort()
6667 			diff = ((b->type & DRM_MODE_TYPE_PREFERRED) != 0) -  in drm_mode_sort()
6668 				((a->type & DRM_MODE_TYPE_PREFERRED) != 0);  in drm_mode_sort()
6678 			diff = b->hdisplay * b->vdisplay  in drm_mode_sort()
6679 				- a->hdisplay * a->vdisplay;  in drm_mode_sort()
6689 			diff = b->vrefresh - a->vrefresh;  in drm_mode_sort()
6699 			diff = b->clock - a->clock;  in drm_mode_sort()
6707 	edid_data->preferred_mode = &edid_data->mode_buf[0];  in drm_mode_sort()
6711  * drm_mode_prune_invalid - remove invalid modes from mode list
6719 	int num = edid_data->modes;  in drm_mode_prune_invalid()
6721 	struct drm_display_mode *mode_buf = edid_data->mode_buf;  in drm_mode_prune_invalid()
6726 			for (j = i; j < num - 1; j++)  in drm_mode_prune_invalid()
6729 			num--;  in drm_mode_prune_invalid()
6730 			i--;  in drm_mode_prune_invalid()
6734 	memset(&mode_buf[num], 0, len * (edid_data->modes - num));  in drm_mode_prune_invalid()
6736 	edid_data->modes = num;  in drm_mode_prune_invalid()
6741  * drm_rk_filter_whitelist - mark modes out of white list from mode list
6751 		for (i = 0; i < edid_data->modes; i++) {  in drm_rk_filter_whitelist()
6754 						   &edid_data->mode_buf[i],  in drm_rk_filter_whitelist()
6762 				edid_data->mode_buf[i].invalid = true;  in drm_rk_filter_whitelist()
6770 	mode->clock = base_mode->clock;  in drm_display_mode_convert()
6771 	mode->hdisplay = base_mode->hdisplay;  in drm_display_mode_convert()
6772 	mode->hsync_start = base_mode->hsync_start;  in drm_display_mode_convert()
6773 	mode->hsync_end = base_mode->hsync_end;  in drm_display_mode_convert()
6774 	mode->htotal = base_mode->htotal;  in drm_display_mode_convert()
6775 	mode->vdisplay = base_mode->vdisplay;  in drm_display_mode_convert()
6776 	mode->vsync_start = base_mode->vsync_start;  in drm_display_mode_convert()
6777 	mode->vsync_end = base_mode->vsync_end;  in drm_display_mode_convert()
6778 	mode->vtotal = base_mode->vtotal;  in drm_display_mode_convert()
6779 	mode->vrefresh = base_mode->vrefresh;  in drm_display_mode_convert()
6780 	mode->vscan = base_mode->vscan;  in drm_display_mode_convert()
6781 	mode->flags = base_mode->flags;  in drm_display_mode_convert()
6782 	mode->picture_aspect_ratio = base_mode->picture_aspect_ratio;  in drm_display_mode_convert()
6796 		drm_display_mode_convert(&mode, &screen_info->mode);  in drm_rk_select_mode()
6797 		for (i = 0; i < edid_data->modes; i++) {  in drm_rk_select_mode()
6799 					   &edid_data->mode_buf[i],  in drm_rk_select_mode()
6803 				edid_data->preferred_mode =  in drm_rk_select_mode()
6804 					&edid_data->mode_buf[i];  in drm_rk_select_mode()
6806 				if (edid_data->mode_buf[i].picture_aspect_ratio)  in drm_rk_select_mode()
6814  * drm_do_probe_ddc_edid() - get EDID information via I2C
6822  * Return: 0 on success or -1 on failure.
6853 		if (adap->ops) {  in drm_do_probe_ddc_edid()
6854 			ret = adap->ops->xfer(adap->i2c_bus, &msgs[3 - xfers],  in drm_do_probe_ddc_edid()
6859 			ret = adap->ddc_xfer(adap, &msgs[3 - xfers], xfers);  in drm_do_probe_ddc_edid()
6861 	} while (ret != xfers && --retries);  in drm_do_probe_ddc_edid()
6864 	return ret == xfers ? 0 : -1;  in drm_do_probe_ddc_edid()
6929 	return -EFAULT;  in drm_do_get_edid()
6949 	return adap->ddc_xfer(adap, msgs, ARRAY_SIZE(msgs));  in hdmi_ddc_read()
6966 		return -ENOMEM;  in hdmi_ddc_write()
6973 	err = adap->ddc_xfer(adap, &msg, 1);  in hdmi_ddc_write()
6981  * drm_scdc_readb - read a single byte from SCDC
7000  * drm_scdc_writeb - write a single byte to SCDC