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git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/commit - drivers/gpu/drm/i915/intel_dp.c
drm/i915: Allow 1 vblank to let Sink CRC calculation to start or stop.
According to VESA DP Spec, setting TEST_SINK_START (bit 0)
of TEST_SINK (00270h) "Stop/Start calculating CRC on the next frame"
So let's wait at least 1 vblank to really say the calculation
stopped or started.
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>