edid-decode "/sys/class/drm/card0-eDP-1/edid": EDID (hex): 00ffffffffffff0009e59f0700000000 011b0104a51f1178028631a3564e9b25 0e4e5400000001010101010101010101 0101010101014dd000a0f0703e803020 350035ae1000001ae08a00a0f0703e80 3020350035ae1000001a000000000000 00000000000000000000000000000002 000c2dff103ca632463aa600000000d9 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: a5 1f 11 78 02 chroma info: 86 31 a3 56 4e 9b 25 0e 4e 54 established: 00 00 00 standard: 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 descriptor 1: 4d d0 00 a0 f0 70 3e 80 30 20 35 00 35 ae 10 00 00 1a descriptor 2: e0 8a 00 a0 f0 70 3e 80 30 20 35 00 35 ae 10 00 00 1a descriptor 3: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 descriptor 4: 00 00 00 02 00 0c 2d ff 10 3c a6 32 46 3a a6 00 00 00 extensions: 00 checksum: d9 EDID version: 1.4 Manufacturer: BOE Model 79f Serial Number ... Made in week 1 of 2017 Digital display 8 bits per primary color channel 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 x,y Chromaticity: Red: 0.6386, 0.3359 Green: 0.3056, 0.6074 Blue: 0.1445, 0.0576 White: 0.3046, 0.3291 Established timings supported: Standard timings supported: Detailed mode: Clock 533.250 MHz, 309 mm x 174 mm 3840 3888 3920 4000 hborder 0 2160 2163 2168 2222 vborder 0 +hsync -vsync VertFreq: 59 Hz, HorFreq: 133312 Hz Detailed mode: Clock 355.520 MHz, 309 mm x 174 mm 3840 3888 3920 4000 hborder 0 2160 2163 2168 2222 vborder 0 +hsync -vsync VertFreq: 40 Hz, HorFreq: 88880 Hz Manufacturer-specified data, tag 0 Manufacturer-specified data, tag 2 Checksum: 0xd9 (valid) EDID block does NOT conform to EDID 1.4! Missing name descriptor Missing monitor ranges