tree 82bd8df4e7b0719c38ca722b358d6e83922bd607
parent b18ac466956c7e7b5abf7a2d6adf8c626267d0ae
author Ville Syrjälä <ville.syrjala@linux.intel.com> 1361544818 +0200
committer Daniel Vetter <daniel.vetter@ffwll.ch> 1362336693 +0100

drm/i915: Don't clobber crtc->fb when queue_flip fails

Restore crtc->fb to the old framebuffer if queue_flip fails.

While at it, kill the pointless intel_fb temp variable.

v2: Update crtc->fb before queue_flip and restore it back
    after a failure.

Cc: stable@vger.kernel.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reported-and-Tested-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>