edid-decode "/sys/class/drm/card0-DP-1/edid" Extracted contents: header: 00 00 00 00 00 00 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-DVI-I-1/edid" Extracted contents: header: 00 00 00 00 00 00 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