https://bugzilla.kernel.org/show_bug.cgi?id=198885
Michel Dänzer (mic...@daenzer.net) changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |harry.wentl...@amd.com
--- Comment #1 from Michel Dänzer (mic...@daenzer.net) ---
(In reply to Przemek from comment #0)
> -r--r--r-- 1 root root 4096 02-22 13:41 actual_brightness
[...]
> "/sys/class/backlight/amdgpu_bl0 # echo 22 > actual_brightness
> bash: actual_brightness: permission denied"
As you can see above, this file is read-only.
> "/sys/class/backlight/amdgpu_bl0 # echo 128 > brightness
> bash: echo: błąd zapisu: Bad argument"
What does
cat max_brightness
say? If it's a value smaller than 128, does writing a value <= that to the
brightness file work?
> Without "amdgpu.dc=1" in kernel command line changing brightness level is
> working as expected, both Fn keys, and echoing directly to a file.
What values do the brightness, max_brightness and actual_brightness files
contain in that case?
--
You are receiving this mail because:
You are watching the assignee of the bug.
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
