https://bugs.kde.org/show_bug.cgi?id=511216

comio <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|WAITINGFORINFO              |FIXED

--- Comment #11 from comio <[email protected]> ---
(In reply to Zamundaaa from comment #9)
> Oh, so the screen in question is connected to the Intel GPU, not NVidia.
> 
> > [  149.829931] i915 0000:00:02.0: [drm:skl_fixup_initial_plane_config 
> > [i915]] [CRTC:80:pipe B] dbuf slices 0x1 -> 0x1, ddb (223 - 446) -> (223 - 
> > 669), active pipes 0x7 -> 0x7
> > [  149.829987] i915 0000:00:02.0: [drm:skl_fixup_initial_plane_config 
> > [i915]] [CRTC:104:pipe C] dbuf slices 0x1 -> 0x1, ddb (446 - 892) -> (669 - 
> > 892), active pipes 0x7 -> 0x7
> > [  149.830043] i915 0000:00:02.0: [drm:skl_fixup_initial_plane_config 
> > [i915]] Requested display configuration exceeds system DDB limitations
> > [  149.830096] i915 0000:00:02.0: [drm:skl_fixup_initial_plane_config 
> > [i915]] minimum required 242/199
> 
> That looks like the commit broke the implicit modifier fallback, instead of
> just expanding it. If you set
> https://invent.kde.org/plasma/kwin/-/wikis/Environment-
> Variables#kwin_drm_use_modifiers to 0, does that help?

this workaround works. thanks.

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