https://bugs.kde.org/show_bug.cgi?id=462712
Zamundaaa <xaver.h...@gmail.com> changed:
What |Removed |Added
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CC| |xaver.h...@gmail.com
--- Comment #1 from Zamundaaa <xaver.h...@gmail.com> ---
Please attach the output of
> journalctl --user-unit plasma-kwin_wayland --boot 0
with the output not working to give some more insight into what's happening.
Most likely this is a driver bug though, KWin can only set a maximum bpc and
has no knowledge or control of the actually used connector bpc and subsampling.
The display driver is supposed to (and in the case of amdgpu does) use chroma
subsampling and reduced bpc to make the given mode work. If it can't make it
work, it should reject attempts to use the output, so that the compositor can
react accordingly.
As a workaround, you can set kwin to globally use 8bpc only:
https://invent.kde.org/plasma/kwin/-/wikis/Environment-Variables#kwin_drm_prefer_color_depth
I'm not convinced bpc is a thing that should be exposed as a proper setting
though, if at all possible it should automatically be handled correctly in all
cases.
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