edid-decode "/sys/class/drm/card0-eDP-1/edid": EDID (hex): 00ffffffffffff0010acd79301000000 2417010380331d78eecd30a3554fa027 11505400000001010101010101010101 010101010101a23580a0703814406040 8400fd1e11000000000000fc004f7074 69506c65782039303230000000fc000a 202020202020202020202020000000fc 000a202020202020202020202020002f Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 03 basic params: 80 33 1d 78 ee chroma info: cd 30 a3 55 4f a0 27 11 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: a2 35 80 a0 70 38 14 40 60 40 84 00 fd 1e 11 00 00 00 descriptor 2: 00 00 00 fc 00 4f 70 74 69 50 6c 65 78 20 39 30 32 30 descriptor 3: 00 00 00 fc 00 0a 20 20 20 20 20 20 20 20 20 20 20 20 descriptor 4: 00 00 00 fc 00 0a 20 20 20 20 20 20 20 20 20 20 20 20 extensions: 00 checksum: 2f EDID version: 1.3 Manufacturer: DEL Model 93d7 Serial Number ... Made in week 36 of 2013 Digital display Maximum image size: 51 cm x 29 cm Gamma: 2.20 DPMS levels: Standby Suspend Off RGB color display Default (sRGB) color space is primary color space First detailed timing is preferred timing Display x,y Chromaticity: Red: 0.6396, 0.3320 Green: 0.3115, 0.6259 Blue: 0.1523, 0.0693 White: 0.3125, 0.3281 Established timings supported: Standard timings supported: Detailed mode: Clock 137.300 MHz, 509 mm x 286 mm 1920 2016 2080 2080 hborder 0 1080 1088 1092 1100 vborder 0 -hsync -vsync analog composite VertFreq: 60 Hz, HorFreq: 66009 Hz Monitor name: OptiPlex 9020 Checksum: 0x2f (valid) EDID block does NOT conform to EDID 1.3! sRGB is signaled, but the chromaticities do not match Missing monitor ranges