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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: Oscar Mateo <oscar.mateo@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
[danvet: Checkpatch. Fucking again.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Oscar Mateo 2014-07-24 17:04:34 +01:00 committed by Daniel Vetter
parent ba8b7ccb19
commit 14bf993e83
2 changed files with 4 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_display.c
View File

@ -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;
}

3
drivers/gpu/drm/i915/intel_lrc.c
View File

@ -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;