#include <lyos/types.h>
#include <lyos/ipc.h>
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <assert.h>
#include <lyos/const.h>
#include <string.h>
#include <lyos/driver.h>
#include <errno.h>
#include <limits.h>
#include <asm/ioctl.h>
#include <drm/drm.h>
#include <lyos/service.h>
#include <lyos/sysutils.h>

#include <libdevman/libdevman.h>

#include "libdrmdriver.h"

#define DRM_MODE(nm, t, c, hd, hss, hse, ht, hsk, vd, vss, vse, vt, vs, f)    \
    .name = nm, .status = 0, .type = (t), .clock = (c), .hdisplay = (hd),     \
    .hsync_start = (hss), .hsync_end = (hse), .htotal = (ht), .hskew = (hsk), \
    .vdisplay = (vd), .vsync_start = (vss), .vsync_end = (vse),               \
    .vtotal = (vt), .vscan = (vs), .flags = (f)

/*
 * Autogenerated from the DMT spec.
 * This table is copied from xfree86/modes/xf86EdidModes.c.
 */
static const struct drm_display_mode drm_dmt_modes[] = {
    /* 0x01 - 640x350@85Hz */
    {DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 31500, 640, 672, 736, 832, 0,
              350, 382, 385, 445, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x02 - 640x400@85Hz */
    {DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 31500, 640, 672, 736, 832, 0,
              400, 401, 404, 445, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x03 - 720x400@85Hz */
    {DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 756, 828, 936, 0,
              400, 401, 404, 446, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x04 - 640x480@60Hz */
    {DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656, 752, 800, 0,
              480, 490, 492, 525, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x05 - 640x480@72Hz */
    {DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664, 704, 832, 0,
              480, 489, 492, 520, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x06 - 640x480@75Hz */
    {DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656, 720, 840, 0,
              480, 481, 484, 500, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x07 - 640x480@85Hz */
    {DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 36000, 640, 696, 752, 832, 0,
              480, 481, 484, 509, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x08 - 800x600@56Hz */
    {DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824, 896, 1024, 0,
              600, 601, 603, 625, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x09 - 800x600@60Hz */
    {DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840, 968, 1056, 0,
              600, 601, 605, 628, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x0a - 800x600@72Hz */
    {DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856, 976, 1040, 0,
              600, 637, 643, 666, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x0b - 800x600@75Hz */
    {DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816, 896, 1056, 0,
              600, 601, 604, 625, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x0c - 800x600@85Hz */
    {DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 56250, 800, 832, 896, 1048, 0,
              600, 601, 604, 631, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x0d - 800x600@120Hz RB */
    {DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 73250, 800, 848, 880, 960, 0,
              600, 603, 607, 636, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x0e - 848x480@60Hz */
    {DRM_MODE("848x480", DRM_MODE_TYPE_DRIVER, 33750, 848, 864, 976, 1088, 0,
              480, 486, 494, 517, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x0f - 1024x768@43Hz, interlace */
    {DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032, 1208, 1264,
              0, 768, 768, 776, 817, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
                  DRM_MODE_FLAG_INTERLACE)},
    /* 0x10 - 1024x768@60Hz */
    {DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048, 1184, 1344,
              0, 768, 771, 777, 806, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x11 - 1024x768@70Hz */
    {DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048, 1184, 1328,
              0, 768, 771, 777, 806, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x12 - 1024x768@75Hz */
    {DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040, 1136, 1312,
              0, 768, 769, 772, 800, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x13 - 1024x768@85Hz */
    {DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 94500, 1024, 1072, 1168, 1376,
              0, 768, 769, 772, 808, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x14 - 1024x768@120Hz RB */
    {DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 115500, 1024, 1072, 1104, 1184,
              0, 768, 771, 775, 813, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x15 - 1152x864@75Hz */
    {DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216, 1344, 1600,
              0, 864, 865, 868, 900, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x55 - 1280x720@60Hz */
    {DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390, 1430, 1650,
              0, 720, 725, 730, 750, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x16 - 1280x768@60Hz RB */
    {DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 68250, 1280, 1328, 1360, 1440,
              0, 768, 771, 778, 790, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x17 - 1280x768@60Hz */
    {DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344, 1472, 1664,
              0, 768, 771, 778, 798, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x18 - 1280x768@75Hz */
    {DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 102250, 1280, 1360, 1488, 1696,
              0, 768, 771, 778, 805, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x19 - 1280x768@85Hz */
    {DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 117500, 1280, 1360, 1496, 1712,
              0, 768, 771, 778, 809, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x1a - 1280x768@120Hz RB */
    {DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 140250, 1280, 1328, 1360, 1440,
              0, 768, 771, 778, 813, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x1b - 1280x800@60Hz RB */
    {DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 71000, 1280, 1328, 1360, 1440,
              0, 800, 803, 809, 823, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x1c - 1280x800@60Hz */
    {DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352, 1480, 1680,
              0, 800, 803, 809, 831, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x1d - 1280x800@75Hz */
    {DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 106500, 1280, 1360, 1488, 1696,
              0, 800, 803, 809, 838, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x1e - 1280x800@85Hz */
    {DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 122500, 1280, 1360, 1496, 1712,
              0, 800, 803, 809, 843, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x1f - 1280x800@120Hz RB */
    {DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 146250, 1280, 1328, 1360, 1440,
              0, 800, 803, 809, 847, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x20 - 1280x960@60Hz */
    {DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376, 1488, 1800,
              0, 960, 961, 964, 1000, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x21 - 1280x960@85Hz */
    {DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1344, 1504, 1728,
              0, 960, 961, 964, 1011, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x22 - 1280x960@120Hz RB */
    {DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 175500, 1280, 1328, 1360, 1440,
              0, 960, 963, 967, 1017, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x23 - 1280x1024@60Hz */
    {DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328, 1440, 1688,
              0, 1024, 1025, 1028, 1066, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x24 - 1280x1024@75Hz */
    {DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296, 1440, 1688,
              0, 1024, 1025, 1028, 1066, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x25 - 1280x1024@85Hz */
    {DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 157500, 1280, 1344, 1504, 1728,
              0, 1024, 1025, 1028, 1072, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x26 - 1280x1024@120Hz RB */
    {DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 187250, 1280, 1328, 1360, 1440,
              0, 1024, 1027, 1034, 1084, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x27 - 1360x768@60Hz */
    {DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424, 1536, 1792,
              0, 768, 771, 777, 795, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x28 - 1360x768@120Hz RB */
    {DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 148250, 1360, 1408, 1440, 1520,
              0, 768, 771, 776, 813, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x51 - 1366x768@60Hz */
    {DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 85500, 1366, 1436, 1579, 1792,
              0, 768, 771, 774, 798, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x56 - 1366x768@60Hz */
    {DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 72000, 1366, 1380, 1436, 1500,
              0, 768, 769, 772, 800, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x29 - 1400x1050@60Hz RB */
    {DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 101000, 1400, 1448, 1480, 1560,
              0, 1050, 1053, 1057, 1080, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x2a - 1400x1050@60Hz */
    {DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488, 1632, 1864,
              0, 1050, 1053, 1057, 1089, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x2b - 1400x1050@75Hz */
    {DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 156000, 1400, 1504, 1648, 1896,
              0, 1050, 1053, 1057, 1099, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x2c - 1400x1050@85Hz */
    {DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 179500, 1400, 1504, 1656, 1912,
              0, 1050, 1053, 1057, 1105, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x2d - 1400x1050@120Hz RB */
    {DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 208000, 1400, 1448, 1480, 1560,
              0, 1050, 1053, 1057, 1112, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x2e - 1440x900@60Hz RB */
    {DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 88750, 1440, 1488, 1520, 1600,
              0, 900, 903, 909, 926, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x2f - 1440x900@60Hz */
    {DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520, 1672, 1904,
              0, 900, 903, 909, 934, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x30 - 1440x900@75Hz */
    {DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 136750, 1440, 1536, 1688, 1936,
              0, 900, 903, 909, 942, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x31 - 1440x900@85Hz */
    {DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 157000, 1440, 1544, 1696, 1952,
              0, 900, 903, 909, 948, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x32 - 1440x900@120Hz RB */
    {DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 182750, 1440, 1488, 1520, 1600,
              0, 900, 903, 909, 953, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x53 - 1600x900@60Hz */
    {DRM_MODE("1600x900", DRM_MODE_TYPE_DRIVER, 108000, 1600, 1624, 1704, 1800,
              0, 900, 901, 904, 1000, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x33 - 1600x1200@60Hz */
    {DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664, 1856, 2160,
              0, 1200, 1201, 1204, 1250, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x34 - 1600x1200@65Hz */
    {DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 175500, 1600, 1664, 1856, 2160,
              0, 1200, 1201, 1204, 1250, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x35 - 1600x1200@70Hz */
    {DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 189000, 1600, 1664, 1856, 2160,
              0, 1200, 1201, 1204, 1250, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x36 - 1600x1200@75Hz */
    {DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 202500, 1600, 1664, 1856, 2160,
              0, 1200, 1201, 1204, 1250, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x37 - 1600x1200@85Hz */
    {DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 229500, 1600, 1664, 1856, 2160,
              0, 1200, 1201, 1204, 1250, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x38 - 1600x1200@120Hz RB */
    {DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 268250, 1600, 1648, 1680, 1760,
              0, 1200, 1203, 1207, 1271, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x39 - 1680x1050@60Hz RB */
    {DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 119000, 1680, 1728, 1760, 1840,
              0, 1050, 1053, 1059, 1080, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x3a - 1680x1050@60Hz */
    {DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784, 1960, 2240,
              0, 1050, 1053, 1059, 1089, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x3b - 1680x1050@75Hz */
    {DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 187000, 1680, 1800, 1976, 2272,
              0, 1050, 1053, 1059, 1099, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x3c - 1680x1050@85Hz */
    {DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 214750, 1680, 1808, 1984, 2288,
              0, 1050, 1053, 1059, 1105, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x3d - 1680x1050@120Hz RB */
    {DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 245500, 1680, 1728, 1760, 1840,
              0, 1050, 1053, 1059, 1112, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x3e - 1792x1344@60Hz */
    {DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920, 2120, 2448,
              0, 1344, 1345, 1348, 1394, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x3f - 1792x1344@75Hz */
    {DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 261000, 1792, 1888, 2104, 2456,
              0, 1344, 1345, 1348, 1417, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x40 - 1792x1344@120Hz RB */
    {DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 333250, 1792, 1840, 1872, 1952,
              0, 1344, 1347, 1351, 1423, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x41 - 1856x1392@60Hz */
    {DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952, 2176, 2528,
              0, 1392, 1393, 1396, 1439, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x42 - 1856x1392@75Hz */
    {DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 288000, 1856, 1984, 2208, 2560,
              0, 1392, 1393, 1396, 1500, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x43 - 1856x1392@120Hz RB */
    {DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 356500, 1856, 1904, 1936, 2016,
              0, 1392, 1395, 1399, 1474, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x52 - 1920x1080@60Hz */
    {DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008, 2052, 2200,
              0, 1080, 1084, 1089, 1125, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x44 - 1920x1200@60Hz RB */
    {DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 154000, 1920, 1968, 2000, 2080,
              0, 1200, 1203, 1209, 1235, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x45 - 1920x1200@60Hz */
    {DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056, 2256, 2592,
              0, 1200, 1203, 1209, 1245, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x46 - 1920x1200@75Hz */
    {DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 245250, 1920, 2056, 2264, 2608,
              0, 1200, 1203, 1209, 1255, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x47 - 1920x1200@85Hz */
    {DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 281250, 1920, 2064, 2272, 2624,
              0, 1200, 1203, 1209, 1262, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x48 - 1920x1200@120Hz RB */
    {DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 317000, 1920, 1968, 2000, 2080,
              0, 1200, 1203, 1209, 1271, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x49 - 1920x1440@60Hz */
    {DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048, 2256, 2600,
              0, 1440, 1441, 1444, 1500, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x4a - 1920x1440@75Hz */
    {DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2064, 2288, 2640,
              0, 1440, 1441, 1444, 1500, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x4b - 1920x1440@120Hz RB */
    {DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 380500, 1920, 1968, 2000, 2080,
              0, 1440, 1443, 1447, 1525, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x54 - 2048x1152@60Hz */
    {DRM_MODE("2048x1152", DRM_MODE_TYPE_DRIVER, 162000, 2048, 2074, 2154, 2250,
              0, 1152, 1153, 1156, 1200, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x4c - 2560x1600@60Hz RB */
    {DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 268500, 2560, 2608, 2640, 2720,
              0, 1600, 1603, 1609, 1646, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x4d - 2560x1600@60Hz */
    {DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752, 3032, 3504,
              0, 1600, 1603, 1609, 1658, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x4e - 2560x1600@75Hz */
    {DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 443250, 2560, 2768, 3048, 3536,
              0, 1600, 1603, 1609, 1672, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x4f - 2560x1600@85Hz */
    {DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 505250, 2560, 2768, 3048, 3536,
              0, 1600, 1603, 1609, 1682, 0,
              DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)},
    /* 0x50 - 2560x1600@120Hz RB */
    {DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 552750, 2560, 2608, 2640, 2720,
              0, 1600, 1603, 1609, 1694, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x57 - 4096x2160@60Hz RB */
    {DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556744, 4096, 4104, 4136, 4176,
              0, 2160, 2208, 2216, 2222, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
    /* 0x58 - 4096x2160@59.94Hz RB */
    {DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556188, 4096, 4104, 4136, 4176,
              0, 2160, 2208, 2216, 2222, 0,
              DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC)},
};

void drm_mode_copy(struct drm_display_mode* dst,
                   const struct drm_display_mode* src)
{
    struct list_head head = dst->head;

    *dst = *src;
    dst->head = head;
}

int drm_add_dmt_modes(struct drm_connector* connector, int hdisplay,
                      int vdisplay)
{
    int i, count;
    int num_modes = 0;
    const struct drm_display_mode* mode;
    struct drm_display_mode* dup_mode;

    count = sizeof(drm_dmt_modes) / sizeof(drm_dmt_modes[0]);
    if (hdisplay < 0) hdisplay = 0;
    if (vdisplay < 0) vdisplay = 0;

    for (i = 0; i < count; i++) {
        mode = &drm_dmt_modes[i];

        if (hdisplay && vdisplay) {
            if (mode->hdisplay > hdisplay || mode->vdisplay > vdisplay) {
                continue;
            }
        }

        dup_mode = malloc(sizeof(*dup_mode));
        if (dup_mode) {
            drm_mode_copy(dup_mode, mode);
            list_add_tail(&dup_mode->head, &connector->modes);
            num_modes++;
        }
    }

    return num_modes;
}

void drm_mode_convert_to_umode(struct drm_mode_modeinfo* out,
                               const struct drm_display_mode* in)
{
    out->clock = in->clock;
    out->hdisplay = in->hdisplay;
    out->hsync_start = in->hsync_start;
    out->hsync_end = in->hsync_end;
    out->htotal = in->htotal;
    out->hskew = in->hskew;
    out->vdisplay = in->vdisplay;
    out->vsync_start = in->vsync_start;
    out->vsync_end = in->vsync_end;
    out->vtotal = in->vtotal;
    out->vscan = in->vscan;
    out->vrefresh = in->vrefresh;
    out->flags = in->flags;
    out->type = in->type;

    strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
    out->name[DRM_DISPLAY_MODE_LEN - 1] = 0;
}

int drm_mode_convert_umode(struct drm_display_mode* out,
                           const struct drm_mode_modeinfo* in)
{
    if (in->clock > INT_MAX || in->vrefresh > INT_MAX) return ERANGE;

    out->clock = in->clock;
    out->hdisplay = in->hdisplay;
    out->hsync_start = in->hsync_start;
    out->hsync_end = in->hsync_end;
    out->htotal = in->htotal;
    out->hskew = in->hskew;
    out->vdisplay = in->vdisplay;
    out->vsync_start = in->vsync_start;
    out->vsync_end = in->vsync_end;
    out->vtotal = in->vtotal;
    out->vscan = in->vscan;
    out->vrefresh = in->vrefresh;
    out->flags = in->flags;

    out->type = in->type & DRM_MODE_TYPE_ALL;
    strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
    out->name[DRM_DISPLAY_MODE_LEN - 1] = 0;

    out->flags &= ~DRM_MODE_FLAG_PIC_AR_MASK;

    out->status = MODE_OK;
    if (out->status != MODE_OK) return EINVAL;

    /* drm_mode_set_crtcinfo(out, CRTC_INTERLACE_HALVE_V); */

    return 0;
}

void drm_set_preferred_mode(struct drm_connector* connector, int hpref,
                            int vpref)
{
    struct drm_display_mode* mode;

    list_for_each_entry(mode, &connector->modes, head)
    {
        if (mode->hdisplay == hpref && mode->vdisplay == vpref)
            mode->type |= DRM_MODE_TYPE_PREFERRED;
    }
}
