edid-decode "/sys/class/drm/card1-eDP-1/edid": EDID (hex): 00ffffffffffff004c83464c00000000 00180104952213780ace859e5b4c9426 17505400000001010101010101010101 010101010101d8cc00a0f07019803020 260058c21000001ad8cc00e0f1707181 3020260058c21000001a000000fe0032 3033385780313536464c0a2000000000 00024121a4610000000a010a202000df Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: 95 22 13 78 0a chroma info: ce 85 9e 5b 4c 94 26 17 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: d8 cc 00 a0 f0 70 19 80 30 20 26 00 58 c2 10 00 00 1a descriptor 2: d8 cc 00 e0 f1 70 71 81 30 20 26 00 58 c2 10 00 00 1a descriptor 3: 00 00 00 fe 00 32 30 33 38 57 80 31 35 36 46 4c 0a 20 descriptor 4: 00 00 00 00 00 02 41 21 a4 61 00 00 00 0a 01 0a 20 20 extensions: 00 checksum: df EDID version: 1.4 Manufacturer: SDC Model 4c46 Serial Number ... Made in year 2014 Digital display 6 bits per primary color channel DisplayPort interface Maximum image size: 34 cm x 19 cm Gamma: 2.20 Supported color formats: RGB 4:4:4, YCrCb 4:4:4 First detailed timing includes the native pixel format and preferred refresh rate Display x,y Chromaticity: Red: 0.6201, 0.3554 Green: 0.2998, 0.5800 Blue: 0.1503, 0.0898 White: 0.3134, 0.3291 Established timings supported: Standard timings supported: Detailed mode: Clock 524.400 MHz, 344 mm x 194 mm 3840 3888 3920 4000 hborder 0 2160 2162 2168 2185 vborder 0 +hsync -vsync VertFreq: 60 Hz, HorFreq: 131100 Hz Detailed mode: Clock 524.400 MHz, 344 mm x 194 mm 3840 3888 3920 4320 hborder 0 2160 2162 2168 2529 vborder 0 +hsync -vsync VertFreq: 47 Hz, HorFreq: 121388 Hz ASCII string: 2038W Manufacturer-specified data, tag 0 Checksum: 0xdf (valid) EDID block does NOT conform to EDID 1.4! Missing name descriptor Missing monitor ranges Detailed block string not properly terminated