Re: [PATCH 1/4] drm/i915: Implement Wa4x4STCOptimizationDisable:chv

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On Wed, Jan 21, 2015 at 06:50:41PM +0000, Siluvery, Arun wrote:
> On 21/01/2015 17:37, ville.syrjala@xxxxxxxxxxxxxxx wrote:
> >From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> >
> >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@xxxxxxxxxxxxxxx>
> >---
> >  drivers/gpu/drm/i915/intel_ringbuffer.c | 4 ++++
> >  1 file changed, 4 insertions(+)
> >
> >diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
> >index d7aa5c4..2a1a178 100644
> >--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
> >+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
> >@@ -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);
> >
> >
> Looks good to me.
> only tested Wa4x4STCOptimizationDisable on Android, no issues observed.
> 
> For the whole series,
> Reviewed-by: Arun Siluvery <arun.siluvery@xxxxxxxxxxxxxxx>

All merged, thanks.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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