edid-decode (hex):

00 ff ff ff ff ff ff 00 06 af 95 de 00 00 00 00
2d 1e 01 04 a5 26 15 78 03 0f 95 ae 52 43 b0 26
0f 50 54 00 00 00 01 01 01 01 01 01 01 01 01 01
01 01 01 01 01 01 c4 d1 00 50 f0 70 7a 80 30 20
35 00 7d d6 10 00 00 18 00 00 00 fd 0c 30 78 13
13 6b 01 0a 20 20 20 20 20 20 00 00 00 fe 00 41
55 4f 0a 20 20 20 20 20 20 20 20 20 00 00 00 fe
00 42 31 37 33 5a 41 4e 30 36 2e 31 20 0a 01 a6

70 13 79 00 00 03 01 14 60 a3 01 84 ff 0e 4f 00
2f 00 1f 00 6f 08 79 00 02 00 04 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 34 90

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

Block 0, Base EDID:
  EDID Structure Version & Revision: 1.4
  Vendor & Product Identification:
    Manufacturer: AUO
    Model: 56981
    Made in: week 45 of 2020
  Basic Display Parameters & Features:
    Digital display
    Bits per primary color channel: 8
    DisplayPort interface
    Maximum image size: 38 cm x 21 cm
    Gamma: 2.20
    Supported color formats: RGB 4:4:4
    First detailed timing includes the native pixel format and preferred refresh rate
    Display is continuous frequency
  Color Characteristics:
    Red  : 0.6796, 0.3203
    Green: 0.2646, 0.6904
    Blue : 0.1503, 0.0595
    White: 0.3134, 0.3291
  Established Timings I & II: none
  Standard Timings: none
  Detailed Timing Descriptors:
    DTD 1:  3840x2160   60.031 Hz  16:9   136.990 kHz 537.000 MHz (381 mm x 214 mm)
                 Hfront   48 Hsync  32 Hback   0 Hpol N
                 Vfront    3 Vsync   5 Vback 114 Vpol N
  Display Range Limits:
    Monitor ranges (Bare Limits): 48-120 Hz V, 274-274 kHz H, max dotclock 1070 MHz
    Alphanumeric Data String: 'AUO'
    Alphanumeric Data String: 'B173ZAN06.1 '
  Extension blocks: 1
Checksum: 0xa6

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Block 1, DisplayID Extension Block:
  Version: 1.3
  Extension Count: 0
  Display Product Type: Extension Section
  Video Timing Modes Type 1 - Detailed Timings Data Block:
    DTD:  3840x2160  120.018 Hz  16:9   273.880 kHz 1073.610 MHz (aspect 16:9, no 3D stereo, preferred)
               Hfront   48 Hsync  32 Hback   0 Hpol N
               Vfront    3 Vsync   5 Vback 114 Vpol N
  Checksum: 0x34
Checksum: 0x90