edid-decode "/sys/class/drm/card0-DP-2/edid": EDID (hex): 00ffffffffffff0022f0352801010101 2c130104a5291778e66f75a4554d9b25 125054a12b8081c00101010101010101 010101010101662156aa51001e30468f 33009dea1000001e000000fd00324c18 530e000a202020202020000000fc0048 502077313835380a20202020000000ff 00434e43393434314d58330a202000de Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: a5 29 17 78 e6 chroma info: 6f 75 a4 55 4d 9b 25 12 50 54 established: a1 2b 80 standard: 81 c0 01 01 01 01 01 01 01 01 01 01 01 01 01 01 descriptor 1: 66 21 56 aa 51 00 1e 30 46 8f 33 00 9d ea 10 00 00 1e descriptor 2: 00 00 00 fd 00 32 4c 18 53 0e 00 0a 20 20 20 20 20 20 descriptor 3: 00 00 00 fc 00 48 50 20 77 31 38 35 38 0a 20 20 20 20 descriptor 4: 00 00 00 ff 00 43 4e 43 39 34 34 31 4d 58 33 0a 20 20 extensions: 00 checksum: de EDID version: 1.4 Manufacturer: HWP Model 2835 Serial Number ... Made in week 44 of 2009 Digital display 8 bits per primary color channel DisplayPort interface Maximum image size: 41 cm x 23 cm Gamma: 2.20 DPMS levels: Standby Suspend Off 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: 0.6416, 0.3339 Green: 0.3037, 0.6083 Blue: 0.1455, 0.0732 White: 0.3134, 0.3291 Established timings supported: 720x400@70Hz 9:5 HorFreq: 31469 Hz Clock: 28.320 MHz 640x480@60Hz 4:3 HorFreq: 31469 Hz Clock: 25.175 MHz 800x600@60Hz 4:3 HorFreq: 37900 Hz Clock: 40.000 MHz 832x624@75Hz 4:3 HorFreq: 49726 Hz Clock: 57.284 MHz 1024x768@60Hz 4:3 HorFreq: 48400 Hz Clock: 65.000 MHz 1024x768@75Hz 4:3 HorFreq: 60000 Hz Clock: 78.750 MHz 1280x1024@75Hz 5:4 HorFreq: 80000 Hz Clock: 135.000 MHz 1152x870@75Hz 192:145 HorFreq: 67500 Hz Clock: 108.000 MHz Standard timings supported: 1280x720@60Hz 16:9 Detailed mode: Clock 85.500 MHz, 413 mm x 234 mm 1366 1436 1579 1792 hborder 0 768 771 774 798 vborder 0 +hsync +vsync VertFreq: 59 Hz, HorFreq: 47712 Hz Monitor ranges (GTF): 50-76Hz V, 24-83kHz H, max dotclock 140MHz Monitor name: HP w1858 Serial number: ... Checksum: 0xde (valid) EDID block does NOT conform to EDID 1.4! sRGB is signaled, but the chromaticities do not match edid-decode "/sys/class/drm/card0-eDP-1/edid": EDID (hex): 00ffffffffffff0009e5310700000000 081b0104951a0e7802e990955c589429 24505400000001010101010101010101 010101010101ce1d56e350001e303020 350000901000001a0000000000000000 00000000000000000000000000fe0042 4f452043510a202020202020000000fe 004e5431313657484d2d4e34320a00c8 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 04 basic params: 95 1a 0e 78 02 chroma info: e9 90 95 5c 58 94 29 24 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: ce 1d 56 e3 50 00 1e 30 30 20 35 00 00 90 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 42 4f 45 20 43 51 0a 20 20 20 20 20 20 descriptor 4: 00 00 00 fe 00 4e 54 31 31 36 57 48 4d 2d 4e 34 32 0a extensions: 00 checksum: c8 EDID version: 1.4 Manufacturer: BOE Model 731 Serial Number ... Made in week 8 of 2017 Digital display 6 bits per primary color channel DisplayPort interface Maximum image size: 26 cm x 14 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: 0.5849, 0.3613 Green: 0.3457, 0.5791 Blue: 0.1621, 0.1416 White: 0.3125, 0.3281 Established timings supported: Standard timings supported: Detailed mode: Clock 76.300 MHz, 256 mm x 144 mm 1366 1414 1446 1593 hborder 0 768 771 776 798 vborder 0 +hsync -vsync VertFreq: 60 Hz, HorFreq: 47897 Hz Manufacturer-specified data, tag 0 ASCII string: BOE CQ ASCII string: NT116WHM-N42 Checksum: 0xc8 (valid) EDID block does NOT conform to EDID 1.4! Missing name descriptor Missing monitor ranges