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drm/i915: Implement WaProgramMiArbOnOffAroundMiSetContext:bdw

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BSpec seems to tell us we need the MI_ARB_ON_OFF w/a around
MI_SET_CONTEXT on gen8.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2014-03-31 18:17:18 +03:00 committed by Daniel Vetter
parent 6157d3c83a
commit 64bed78820
1 changed files with 3 additions and 3 deletions
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6
drivers/gpu/drm/i915/i915_gem_context.c
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@ -606,8 +606,8 @@ mi_set_context(struct intel_ring_buffer *ring,
if (ret)
return ret;
/* WaProgramMiArbOnOffAroundMiSetContext:ivb,vlv,hsw */
if (IS_GEN7(ring->dev))
/* WaProgramMiArbOnOffAroundMiSetContext:ivb,vlv,hsw,bdw */
if (INTEL_INFO(ring->dev)->gen >= 7)
intel_ring_emit(ring, MI_ARB_ON_OFF | MI_ARB_DISABLE);
else
intel_ring_emit(ring, MI_NOOP);
@ -625,7 +625,7 @@ mi_set_context(struct intel_ring_buffer *ring,
*/
intel_ring_emit(ring, MI_NOOP);
if (IS_GEN7(ring->dev))
if (INTEL_INFO(ring->dev)->gen >= 7)
intel_ring_emit(ring, MI_ARB_ON_OFF | MI_ARB_ENABLE);
else
intel_ring_emit(ring, MI_NOOP);