https://bugzilla.kernel.org/show_bug.cgi?id=210263 --- Comment #8 from ninelore@xxxxxxxxxxxxxx --- (In reply to Fabian from comment #5) > As of Kernel 5.15, I don't need fbcon=nodefer anymore. By default the > backlight works and is set on start. I still get from time to time an > boot-error by systemd, but that can be also worked around by loading amdgpu > early. > > Can someone confirm this? (In reply to jaromir.obr from comment #6) > @Fabian > I have the same experience. I was running kernel 5.13 on Ubuntu 21.10 and > when I upgraded to mainline kernel 5.15.13 (using > https://github.com/pimlie/ubuntu-mainline-kernel.sh), the service > "systemd-backlight@backlight:amdgpu_bl0.service" starts as expected and > backlight seems to be restored. > > With kernel 5.13 it failed: "Failed to start Load/Save Screen Backlight > Brightness of backlight:amdgpu_bl0" and I was not able to start it manually. Can confirm this bug is fixed with 5.15 -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
