WQHD not properly detected and mismatch between HDMI-1 and HDMI-2

[aarnoud]

Issue:
Screen doesn't expose all available modes (WQHD resolutions) and result vary between HDMI-1 and HDMI-2. Everything works perfectly, preferred resolution and refresh rate is properly detected and applied on x86_64 Linux, MacOS, Windows.

Screen: Asus VG32VQ (Manual)

Plugged on HDMI-1:

Plugged in HDMI-2:

EDID :
https://edid.tv/edid/2091/ (Download EDID)

EDID Decode:

./edid-decode -c ASUS\ VG32V_18230.edid
edid-decode (hex):

00 ff ff ff ff ff ff 00 06 b3 a3 32 36 47 00 00
20 1d 01 03 80 46 27 78 2a b7 95 a8 54 51 9b 26
10 50 54 bf cf 00 d1 c0 71 4f 81 c0 81 40 81 80
95 00 b3 00 01 01 59 e7 00 6a a0 a0 67 50 15 20
35 00 b9 89 21 00 00 1e 56 5e 00 a0 a0 a0 29 50
30 20 35 00 b9 88 21 00 00 1e 00 00 00 fd 00 30
90 1e de 3c 00 0a 20 20 20 20 20 20 00 00 00 fc
00 41 53 55 53 20 56 47 33 32 56 0a 20 20 01 99

02 03 49 71 53 01 02 03 11 12 13 0f 1d 1e 0e 90
1f 04 05 14 60 61 2f 3f 23 09 17 07 83 01 00 00
67 03 0c 00 20 00 38 44 67 d8 5d c4 01 78 88 03
68 1a 00 00 01 03 30 90 e6 e3 05 c3 01 e4 0f 00
80 01 e6 06 05 01 63 63 3a 5a a0 00 a0 a0 a0 46
50 30 20 35 00 b9 89 21 00 00 1a 6f c2 00 a0 a0
a0 55 50 30 20 35 00 b9 89 21 00 00 1a 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 b3

----------------

Block 0, Base EDID:
  EDID Structure Version & Revision: 1.3
  Vendor & Product Identification:
    Manufacturer: AUS
    Model: 12963
    Serial Number: 18230
    Made in: week 32 of 2019
  Basic Display Parameters & Features:
    Digital display
    Maximum image size: 70 cm x 39 cm
    Gamma: 2.20
    DPMS levels: Off
    RGB color display
    First detailed timing is the preferred timing
  Color Characteristics:
    Red  : 0.6582, 0.3310
    Green: 0.3173, 0.6083
    Blue : 0.1503, 0.0634
    White: 0.3134, 0.3291
  Established Timings I & II:
    IBM     :   720x400    70.081663 Hz   9:5     31.467 kHz     28.320000 MHz
    DMT 0x04:   640x480    59.940476 Hz   4:3     31.469 kHz     25.175000 MHz
    Apple   :   640x480    66.666667 Hz   4:3     35.000 kHz     30.240000 MHz
    DMT 0x05:   640x480    72.808802 Hz   4:3     37.861 kHz     31.500000 MHz
    DMT 0x06:   640x480    75.000000 Hz   4:3     37.500 kHz     31.500000 MHz
    DMT 0x08:   800x600    56.250000 Hz   4:3     35.156 kHz     36.000000 MHz
    DMT 0x09:   800x600    60.316541 Hz   4:3     37.879 kHz     40.000000 MHz
    DMT 0x0a:   800x600    72.187572 Hz   4:3     48.077 kHz     50.000000 MHz
    DMT 0x0b:   800x600    75.000000 Hz   4:3     46.875 kHz     49.500000 MHz
    DMT 0x10:  1024x768    60.003840 Hz   4:3     48.363 kHz     65.000000 MHz
    DMT 0x11:  1024x768    70.069359 Hz   4:3     56.476 kHz     75.000000 MHz
    DMT 0x12:  1024x768    75.028582 Hz   4:3     60.023 kHz     78.750000 MHz
    DMT 0x24:  1280x1024   75.024675 Hz   5:4     79.976 kHz    135.000000 MHz
  Standard Timings:
    DMT 0x52:  1920x1080   60.000000 Hz  16:9     67.500 kHz    148.500000 MHz
    DMT 0x15:  1152x864    75.000000 Hz   4:3     67.500 kHz    108.000000 MHz
    DMT 0x55:  1280x720    60.000000 Hz  16:9     45.000 kHz     74.250000 MHz
    DMT 0x20:  1280x960    60.000000 Hz   4:3     60.000 kHz    108.000000 MHz
    DMT 0x23:  1280x1024   60.019740 Hz   5:4     63.981 kHz    108.000000 MHz
    DMT 0x2f:  1440x900    59.887445 Hz  16:10    55.935 kHz    106.500000 MHz
    DMT 0x3a:  1680x1050   59.954250 Hz  16:10    65.290 kHz    146.250000 MHz
  Detailed Timing Descriptors:
    DTD 1:  2560x1440  143.972318 Hz  16:9    222.149 kHz    592.250000 MHz (697 mm x 393 mm)
                 Hfront   21 Hsync  32 Hback   53 Hpol P
                 Vfront    3 Vsync   5 Vback   95 Vpol P
    DTD 2:  2560x1440   59.950550 Hz  16:9     88.787 kHz    241.500000 MHz (697 mm x 392 mm)
                 Hfront   48 Hsync  32 Hback   80 Hpol P
                 Vfront    3 Vsync   5 Vback   33 Vpol P
    Display Range Limits:
      Monitor ranges (GTF): 48-144 Hz V, 30-222 kHz H, max dotclock 600 MHz
    Display Product Name: 'ASUS VG32V'
  Extension blocks: 1
Checksum: 0x99

----------------

Block 1, CTA-861 Extension Block:
  Revision: 3
  Basic audio support
  Supports YCbCr 4:4:4
  Supports YCbCr 4:2:2
  Native detailed modes: 1
  Video Data Block:
    VIC   1:   640x480    59.940476 Hz   4:3     31.469 kHz     25.175000 MHz
    VIC   2:   720x480    59.940060 Hz   4:3     31.469 kHz     27.000000 MHz
    VIC   3:   720x480    59.940060 Hz  16:9     31.469 kHz     27.000000 MHz
    VIC  17:   720x576    50.000000 Hz   4:3     31.250 kHz     27.000000 MHz
    VIC  18:   720x576    50.000000 Hz  16:9     31.250 kHz     27.000000 MHz
    VIC  19:  1280x720    50.000000 Hz  16:9     37.500 kHz     74.250000 MHz
    VIC  15:  1440x480    59.940060 Hz  16:9     31.469 kHz     54.000000 MHz
    VIC  29:  1440x576    50.000000 Hz   4:3     31.250 kHz     54.000000 MHz
    VIC  30:  1440x576    50.000000 Hz  16:9     31.250 kHz     54.000000 MHz
    VIC  14:  1440x480    59.940060 Hz   4:3     31.469 kHz     54.000000 MHz
    VIC  16:  1920x1080   60.000000 Hz  16:9     67.500 kHz    148.500000 MHz (native)
    VIC  31:  1920x1080   50.000000 Hz  16:9     56.250 kHz    148.500000 MHz
    VIC   4:  1280x720    60.000000 Hz  16:9     45.000 kHz     74.250000 MHz
    VIC   5:  1920x1080i  60.000000 Hz  16:9     33.750 kHz     74.250000 MHz
    VIC  20:  1920x1080i  50.000000 Hz  16:9     28.125 kHz     74.250000 MHz
    VIC  96:  3840x2160   50.000000 Hz  16:9    112.500 kHz    594.000000 MHz
    VIC  97:  3840x2160   60.000000 Hz  16:9    135.000 kHz    594.000000 MHz
    VIC  47:  1280x720   120.000000 Hz  16:9     90.000 kHz    148.500000 MHz
    VIC  63:  1920x1080  120.000000 Hz  16:9    135.000 kHz    297.000000 MHz
  Audio Data Block:
    Linear PCM:
      Max channels: 2
      Supported sample rates (kHz): 96 48 44.1 32
      Supported sample sizes (bits): 24 20 16
  Speaker Allocation Data Block:
    FL/FR - Front Left/Right
  Vendor-Specific Data Block (HDMI), OUI 00-0C-03:
    Source physical address: 2.0.0.0
    DC_36bit
    DC_30bit
    DC_Y444
    Maximum TMDS clock: 340 MHz
  Vendor-Specific Data Block (HDMI Forum), OUI C4-5D-D8:
    Version: 1
    Maximum TMDS Character Rate: 600 MHz
    SCDC Present
    Supports scrambling for <= 340 Mcsc
    Supports 12-bits/component Deep Color 4:2:0 Pixel Encoding
    Supports 10-bits/component Deep Color 4:2:0 Pixel Encoding
  Vendor-Specific Data Block (AMD), OUI 00-00-1A:
    Version: 1.3
    Minimum Refresh Rate: 48 Hz
    Maximum Refresh Rate: 144 Hz
    Flags 1.x: 0xe6 (MCCS)
  Colorimetry Data Block:
    xvYCC601
    xvYCC709
    BT2020YCC
    BT2020RGB
    Gamut Boundary Description Metadata Profile P0
  YCbCr 4:2:0 Capability Map Data Block:
    VIC  96:  3840x2160   50.000000 Hz  16:9    112.500 kHz    594.000000 MHz
    VIC  97:  3840x2160   60.000000 Hz  16:9    135.000 kHz    594.000000 MHz
  HDR Static Metadata Data Block:
    Electro optical transfer functions:
      Traditional gamma - SDR luminance range
      SMPTE ST2084
    Supported static metadata descriptors:
      Static metadata type 1
    Desired content max luminance: 99 (426.856 cd/m^2)
    Desired content max frame-average luminance: 99 (426.856 cd/m^2)
    Desired content min luminance: 58 (0.221 cd/m^2)
  Detailed Timing Descriptors:
    DTD 3:  2560x1440   99.946436 Hz  16:9    150.919 kHz    410.500000 MHz (697 mm x 393 mm)
                 Hfront   48 Hsync  32 Hback   80 Hpol P
                 Vfront    3 Vsync   5 Vback   62 Vpol N
    DTD 4:  2560x1440  119.997589 Hz  16:9    182.996 kHz    497.750000 MHz (697 mm x 393 mm)
                 Hfront   48 Hsync  32 Hback   80 Hpol P
                 Vfront    3 Vsync   5 Vback   77 Vpol N
Checksum: 0xb3  Unused space in Extension Block: 18 bytes

----------------

edid-decode SHA: 3d4f8cab224e 2022-12-02 13:04:31

Warnings:

Block 1, CTA-861 Extension Block:
  IT Video Formats are overscanned by default, but normally this should be underscanned.
  Colorimetry Data Block: Set the sRGB colorimetry bit to avoid interop issues.

Failures:

Block 1, CTA-861 Extension Block:
  Missing VCDB, needed for Set Selectable RGB Quantization to avoid interop issues.
EDID:
  Base EDID: Some timings are out of range of the Monitor Ranges:
    Horizontal Freq: 28.125 - 222.149 kHz (Monitor: 30.000 - 222.000 kHz)
  CTA-861: Native progressive timings are a mix of several resolutions.

EDID conformity: FAIL