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Commit 14bf993e authored by Oscar Mateo's avatar Oscar Mateo Committed by Daniel Vetter
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drm/i915/bdw: Always use MMIO flips with Execlists 



The normal flip function places things in the ring in the legacy
way, so we either fix that or force MMIO flips always as we do in
this patch.

Signed-off-by: default avatarOscar Mateo <oscar.mateo@intel.com>
Reviewed-by: default avatarDamien Lespiau <damien.lespiau@intel.com>
[danvet: Checkpatch. Fucking again.]
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent ba8b7ccb

drivers/gpu/drm/i915/intel_display.c

+2 −0
Original line number Diff line number Diff line
@@ -9536,6 +9536,8 @@ static bool use_mmio_flip(struct intel_engine_cs *ring, 
		return false;

	else if (i915.use_mmio_flip > 0)

		return true;

	else if (i915.enable_execlists)

		return true;

	else

		return ring != obj->ring;

}

drivers/gpu/drm/i915/intel_lrc.c

+2 −1
Original line number Diff line number Diff line
@@ -85,7 +85,8 @@ int intel_sanitize_enable_execlists(struct drm_device *dev, int enable_execlists 
	if (enable_execlists == 0)

		return 0;



	if (HAS_LOGICAL_RING_CONTEXTS(dev) && USES_PPGTT(dev))

	if (HAS_LOGICAL_RING_CONTEXTS(dev) && USES_PPGTT(dev) &&

	    i915.use_mmio_flip >= 0)

		return 1;



	return 0;