[kwin] [Bug 454387] HDMI signal loss when connecting to a KDE Linux PC in a Wayland session from a 4-port HDMI KVM switch (in a KDE X11 session it works fine)

[Zamundaaa]

https://bugs.kde.org/show_bug.cgi?id=454387

--- Comment #16 from Zamundaaa <xaver.h...@gmail.com> ---
Can you upload the logs again for the new version?
It would be ideal to have KWin and dmesg logs for the same time that the
problem happens.

Additionally there's some env vars you could test, which may or may not make a
difference:
- make KWin use the same buffer format as Xorg and other compositors:
KWIN_DRM_PREFER_COLOR_DEPTH=24
- make KWin use implicit modifiers like Xorg: KWIN_DRM_USE_MODIFIERS=0
- make KWin use the legacy drm interface like Xorg: KWIN_DRM_NO_AMS=1

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