Commits
Daniel Vetter committed 5a5a0c64a99
drm/i915: implement fastpath for overlay flip waiting As long as the gpu can keep up, neither the cpu (waiting for gpu) nore the gpu (waiting for vblank to do an overlay flip) stalls. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Eric Anholt <eric@anholt.net>