I think it is, because changing "/sys/class/backlight/radeon_bl0/brightness" by systemd-backlight doesn't work.
So it can be 1) brightness won't be change for first time, or 2) brightness can't be changed early. Either way, it's a driver bug.
I think it is, because changing "/sys/class/ backlight/ radeon_ bl0/brightness" by systemd-backlight doesn't work.
So it can be 1) brightness won't be change for first time, or 2) brightness can't be changed early. Either way, it's a driver bug.