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generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-10-05 09:24:45 +0000
&id2=4fc788f5ee3dba89c3269dcfafcc36136a1ffd0e'>diff)
drm/i915/fbc: Don't set an illegal fence if unfenced
If the frontbuffer doesn't have an associated fence, it will have a fence reg of -1. If we attempt to OR in this register into the FBC control register we end up setting all control bits, oops! Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: "Zanoni, Paulo R" <paulo.r.zanoni@intel.com> Reviwed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20160819155428.1670-2-chris@chris-wilson.co.uk
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