edid-decode "/sys/class/drm/card0-eDP-1/edid": EDID (hex): 00ffffffffffff004d10141400000000 05180104a523137806de50a3544c9926 0f505400000001010101010101010101 0101010101014dd000a0f0703e803020 35005ac2100000180000001000000000 00000000000000000000000000100000 000000000000000000000000000000fc 004c5131353644314a5830310a200078 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: a5 23 13 78 06 chroma info: de 50 a3 54 4c 99 26 0f 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: 4d d0 00 a0 f0 70 3e 80 30 20 35 00 5a c2 10 00 00 18 descriptor 2: 00 00 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 descriptor 3: 00 00 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 descriptor 4: 00 00 00 fc 00 4c 51 31 35 36 44 31 4a 58 30 31 0a 20 extensions: 00 checksum: 78 EDID version: 1.4 Manufacturer: SHP Model 1414 Serial Number ... Made in week 5 of 2014 Digital display 8 bits per primary color channel DisplayPort interface Maximum image size: 35 cm x 19 cm Gamma: 2.20 Supported color formats: RGB 4:4:4 Default (sRGB) color space is primary color space First detailed timing includes the native pixel format and preferred refresh rate Display x,y Chromaticity: Red: 0.6396, 0.3291 Green: 0.2998, 0.5996 Blue: 0.1494, 0.0595 White: 0.3125, 0.3281 Established timings supported: Standard timings supported: Detailed mode: Clock 533.250 MHz, 346 mm x 194 mm 3840 3888 3920 4000 hborder 0 2160 2163 2168 2222 vborder 0 -hsync -vsync VertFreq: 59 Hz, HorFreq: 133312 Hz Dummy block Dummy block Monitor name: LQ156D1JX01 Checksum: 0x78 (valid) EDID block does NOT conform to EDID 1.4! sRGB is signaled, but the chromaticities do not match Missing monitor ranges