https://bugs.kde.org/show_bug.cgi?id=462214
Leonard Lausen <leon...@lausen.nl> changed:
What |Removed |Added
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CC| |vlad.zahorod...@kde.org
--- Comment #4 from Leonard Lausen <leon...@lausen.nl> ---
The verbose DRM dmesg log shows that all configurations tried by kwin fail the
kernel drm_atomic_plane_check, specifically the plane_switching_crtc sanity
check [1], meaning that kwin triggers unsupported direct switching of CRTCs.
Any ideas why that may happen?
msm_dpu ae01000.display-controller: [drm:drm_atomic_check_only]
[PLANE:41:plane-0] switching CRTC directly
msm_dpu ae01000.display-controller: [drm:drm_atomic_check_only]
[PLANE:41:plane-0] atomic core check failed
I also noticed that above kwin_wayland_drm output says `"rotation": 1` and
`"rotation"=invalid value: 1`. @vladz uploaded a log containing `"rotation": 1`
at https://invent.kde.org/-/snippets/1976 Any ideas if that is the root-cause?
[1]:
https://github.com/torvalds/linux/blob/faf68e3523c21d07c5f7fdabd0daf6301ff8db3f/drivers/gpu/drm/drm_atomic.c#L565-L581
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