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drm/i915/chv: Add some workaround notes

We implement the following workarounds:
* WaDisableAsyncFlipPerfMode:chv
* WaProgramMiArbOnOffAroundMiSetContext:chv

v2: Drop WaDisableSemaphoreAndSyncFlipWait note

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Ville Syrjälä 11 years ago
parent
c631780fcc
commit
b3f797ac49
2 changed files with 2 additions and 2 deletions
Unified View Show Diff Stats
  1. 1 1
      drivers/gpu/drm/i915/i915_gem_context.c
  2. 1 1
      drivers/gpu/drm/i915/intel_ringbuffer.c

+ 1 - 1
drivers/gpu/drm/i915/i915_gem_context.c
View File 

@@ -568,7 +568,7 @@ mi_set_context(struct intel_ring_buffer *ring,
 
 	if (ret)
 
 	if (ret)
 
 		return ret;
 
 		return ret;
 
 
 
-	/* WaProgramMiArbOnOffAroundMiSetContext:ivb,vlv,hsw,bdw */
 
+	/* WaProgramMiArbOnOffAroundMiSetContext:ivb,vlv,hsw,bdw,chv */
 
 	if (INTEL_INFO(ring->dev)->gen >= 7)
 
 	if (INTEL_INFO(ring->dev)->gen >= 7)
 
 		intel_ring_emit(ring, MI_ARB_ON_OFF | MI_ARB_DISABLE);
 
 		intel_ring_emit(ring, MI_ARB_ON_OFF | MI_ARB_DISABLE);
 
 	else
 
 	else

+ 1 - 1
drivers/gpu/drm/i915/intel_ringbuffer.c
View File 

@@ -610,7 +610,7 @@ static int init_render_ring(struct intel_ring_buffer *ring)
 
 	 * to use MI_WAIT_FOR_EVENT within the CS. It should already be
 
 	 * to use MI_WAIT_FOR_EVENT within the CS. It should already be
 
 	 * programmed to '1' on all products.
 
 	 * programmed to '1' on all products.
 
 	 *
 
 	 *
 
-	 * WaDisableAsyncFlipPerfMode:snb,ivb,hsw,vlv,bdw
 
+	 * WaDisableAsyncFlipPerfMode:snb,ivb,hsw,vlv,bdw,chv
 
 	 */
 
 	 */
 
 	if (INTEL_INFO(dev)->gen >= 6)
 
 	if (INTEL_INFO(dev)->gen >= 6)
 
 		I915_WRITE(MI_MODE, _MASKED_BIT_ENABLE(ASYNC_FLIP_PERF_DISABLE));
 
 		I915_WRITE(MI_MODE, _MASKED_BIT_ENABLE(ASYNC_FLIP_PERF_DISABLE));