As we define sizeFits based on whether a CRTC is active, and skip trying
to redirect the scanout on a disable pipe, we then attempt to undo it
later and fail because crtc->scanout_pixmap != DRI2_Pixmap and
!sizeFits. Paper over this failure by skipping unredirected CRTC when
disabling.
v2: Unwind upon failure
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=84653
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Dave Airlie <airlied@redhat.com>
Reported-by: Christoph Haag <haagch@frickel.club>
Tested-by: Christoph Haag <haagch@frickel.club>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>