Commit 14bc16e3 authored Jan 21, 2015 by Ville Syrjälä Committed by Daniel Vetter Jan 27, 2015

drm/i915: Implement Wa4x4STCOptimizationDisable:chv



Wa4x4STCOptimizationDisable got only implemented for BDW, but according
to the w/a database CHV needs it too, so add it.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Arun Siluvery <arun.siluvery@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

parent e62b59e4

drivers/gpu/drm/i915/intel_ringbuffer.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -851,6 +851,10 @@ static int chv_init_workarounds(struct intel_engine_cs *ring)
		*/
		WA_CLR_BIT_MASKED(CACHE_MODE_0_GEN7, HIZ_RAW_STALL_OPT_DISABLE);

		/* Wa4x4STCOptimizationDisable:chv */
		WA_SET_BIT_MASKED(CACHE_MODE_1,
		GEN8_4x4_STC_OPTIMIZATION_DISABLE);

		/* Improve HiZ throughput on CHV. */
		WA_SET_BIT_MASKED(HIZ_CHICKEN, CHV_HZ_8X8_MODE_IN_1X);

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