edid-decode "/sys/class/drm/card0-eDP-1/edid": EDID (hex): 00ffffffffffff002889000000000000 001b0104a51f1178038de0a55335b826 0e505400000001010101010101010101 010101010101c05f00a0a0a03e503020 360035ae1000001a0000000000000000 00000000000000000000000000fe004a 444920202020202020202020000000fe 004c504d3134304d34323020202000b7 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: a5 1f 11 78 03 chroma info: 8d e0 a5 53 35 b8 26 0e 50 54 established: 00 00 00 standard: 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 descriptor 1: c0 5f 00 a0 a0 a0 3e 50 30 20 36 00 35 ae 10 00 00 1a descriptor 2: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 descriptor 3: 00 00 00 fe 00 4a 44 49 20 20 20 20 20 20 20 20 20 20 descriptor 4: 00 00 00 fe 00 4c 50 4d 31 34 30 4d 34 32 30 20 20 20 extensions: 00 checksum: b7 EDID version: 1.4 Manufacturer: JDI Model 0 Serial Number ... Made in year 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 is continuous frequency Display x,y Chromaticity: Red: 0.6464, 0.3242 Green: 0.2099, 0.7197 Blue: 0.1513, 0.0566 White: 0.3125, 0.3281 Established timings supported: Standard timings supported: Detailed mode: Clock 245.120 MHz, 309 mm x 174 mm 2560 2608 2640 2720 hborder 0 1440 1443 1449 1502 vborder 0 +hsync -vsync VertFreq: 59 Hz, HorFreq: 90117 Hz Manufacturer-specified data, tag 0 ASCII string: JDI ASCII string: LPM140M420 Checksum: 0xb7 (valid) EDID block does NOT conform to EDID 1.4! Missing name descriptor Missing monitor ranges