edid-decode /sys/class/drm/card1-eDP-1/edid
edid-decode (hex):

00 ff ff ff ff ff ff 00 28 89 00 00 00 00 00 00
00 1c 01 04 b5 1f 11 78 03 fd d5 a8 51 40 a9 22
0e 51 57 00 00 00 01 01 01 01 01 01 01 01 01 01
01 01 01 01 01 01 10 d9 00 48 f1 70 3e 80 30 20
35 00 35 ae 10 00 00 1a 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 fe 00 4a
44 49 20 20 20 20 20 20 20 20 20 20 00 00 00 fe
00 4c 50 4d 31 34 30 4d 34 36 38 20 20 20 01 75

02 03 0f 00 e3 05 80 00 e6 06 05 01 60 60 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 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d2

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

Block 0, Base EDID:
  EDID Structure Version & Revision: 1.4
  Vendor & Product Identification:
    Manufacturer: JDI
    Model: 0
    Made in: 2018
  Basic Display Parameters & Features:
    Digital display
    Bits per primary color channel: 10
    DisplayPort interface
    Maximum image size: 31 cm x 17 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  : 0.6591, 0.3193
    Green: 0.2529, 0.6611
    Blue : 0.1357, 0.0556
    White: 0.3173, 0.3408
  Established Timings I & II: none
  Standard Timings: none
  Detailed Timing Descriptors:
    DTD 1:  3840x2160   60.000242 Hz  16:9    133.321 kHz    555.680000 MHz (309 mm x 174 mm)
                 Hfront   48 Hsync  32 Hback  248 Hpol P
                 Vfront    3 Vsync   5 Vback   54 Vpol N
    Empty Descriptor
    Alphanumeric Data String: 'JDI          '
    Alphanumeric Data String: 'LPM140M468   '
  Extension blocks: 1
Checksum: 0x75

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

Block 1, CTA-861 Extension Block:
  Revision: 3
  Native detailed modes: 0
  Colorimetry Data Block:
    BT2020RGB
  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: 96 (400.000 cd/m^2)
    Desired content max frame-average luminance: 96 (400.000 cd/m^2)
    Desired content min luminance: 0 (0.000 cd/m^2)
Checksum: 0xd2  Unused space in Extension Block: 112 bytes