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drm/i915: Implement Wa4x4STCOptimizationDisable:chv

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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>
This commit is contained in:
Ville Syrjälä 2015-01-21 19:37:58 +02:00 committed by Daniel Vetter
parent e62b59e413
commit 14bc16e398
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/i915/intel_ringbuffer.c
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@ -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);