root@prusa64-sl1:~# hexdump -C /sys/class/drm/card0-HDMI-A-1/edid
00000000  00 ff ff ff ff ff ff 00  52 62 88 88 00 88 88 88  |........Rb......|
00000010  1c 15 01 03 81 00 00 78  0a da ff a3 58 4a a2 29  |.......x....XJ.)|
00000020  17 49 4b 00 00 00 01 01  01 01 01 01 01 01 01 01  |.IK.............|
00000030  01 01 01 01 01 01 58 4d  a0 69 50 00 08 a0 3c 0a  |......XM.iP...<.|
00000040  42 00 46 7a 00 00 00 1e  00 00 00 fe 00 57 48 59  |B.Fz.........WHY|
00000050  20 54 48 49 53 20 53 48  49 54 00 00 00 fc 00 57  | THIS SHIT.....W|
00000060  48 59 3f 0a 00 00 00 00  00 00 00 00 00 00 00 fd  |HY?.............|
00000070  00 17 3d 0f 8c 17 00 0a  20 20 20 20 20 20 00 12  |..=.....      ..|