/dev/dri and /dev/vga_arbiter should be covered by char-drm.
char-ptm was never needed, some confusion between the major and minor
number printed by `ls /dev/dri/renderD128`.
Conflicts=getty@tty1.service
[Service]
-DeviceAllow=/dev/dri rwm
-DeviceAllow=/dev/vga_arbiter rwm
DeviceAllow=char-BaseRemoteCtl rwm
DeviceAllow=char-drm rwm
-DeviceAllow=char-ptm rwm
DeviceAllow=char-hidraw rwm
DeviceAllow=char-input rwm
DeviceAllow=char-shm rwm