edid-decode "/sys/class/drm/card0-DP-1/edid" Extracted contents: header: 98 ad 0c 63 fa 7f 00 00 serial number: ... version: 00 00 basic params: 00 00 00 00 00 chroma info: 00 00 00 00 00 00 00 00 00 00 established: 00 00 00 standard: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 descriptor 1: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 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 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 descriptor 4: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 extensions: 00 checksum: 00 edid-decode "/sys/class/drm/card0-HDMI-A-1/edid" Extracted contents: header: 98 5d 9f 00 c0 7f 00 00 serial number: ... version: 00 00 basic params: 00 00 00 00 00 chroma info: 00 00 00 00 00 00 00 00 00 00 established: 00 00 00 standard: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 descriptor 1: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 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 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 descriptor 4: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 extensions: 00 checksum: 00 edid-decode "/sys/class/drm/card0-HDMI-A-2/edid" Extracted contents: header: 98 6d b5 7f f4 7f 00 00 serial number: ... version: 00 00 basic params: 00 00 00 00 00 chroma info: 00 00 00 00 00 00 00 00 00 00 established: 00 00 00 standard: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 descriptor 1: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 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 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 descriptor 4: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 extensions: 00 checksum: 00