Why do DRM render nodes in
/dev/dri/renderD start their numbering from 128 while the privileged interaces in /dev/dri/card start at zero?
$ ls -al /dev/dri/
total 0
drwxr-xr-x 3 root root 100 Nov 21 07:46 .
drwxr-xr-x 23 root root 6040 Nov 22 11:09 ..
drwxr-xr-x 2 root root 80 Nov 21 07:46 by-path
crw-rw----+ 1 root video 226, 0 Nov 21 07:46 card0
crw-rw----+ 1 root render 226, 128 Nov 21 07:46 renderD128
Asked by Bram
(989 rep)
Nov 22, 2022, 08:35 PM
Last activity: Nov 22, 2022, 11:36 PM
Last activity: Nov 22, 2022, 11:36 PM