Arkadiusz Hiler <arkadiusz.hi...@intel.com> writes:

> Dropping WA because it was for early steppings.
>
> It is fixed in newer preproduction and all production revisions.
>

We have used References tag to point to a relevant document
that has more information. Like for this, it should be:

References: HSD#2126385

From there I did figure out that this should be from skl:C0 onwards.

So based on that, we need this wa still.

-Mika


> Cc: Michal Winiarski <michal.winiar...@intel.com>
> Signed-off-by: Arkadiusz Hiler <arkadiusz.hi...@intel.com>
> ---
>  drivers/gpu/drm/i915/intel_ringbuffer.c | 2 --
>  1 file changed, 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c 
> b/drivers/gpu/drm/i915/intel_ringbuffer.c
> index e107455..32786ba 100644
> --- a/drivers/gpu/drm/i915/intel_ringbuffer.c
> +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
> @@ -849,10 +849,8 @@ static int gen9_init_workarounds(struct intel_engine_cs 
> *engine)
>                */
>       }
>  
> -     /* WaEnableYV12BugFixInHalfSliceChicken7:skl,bxt,kbl */
>       /* WaEnableSamplerGPGPUPreemptionSupport:skl,bxt,kbl */
>       WA_SET_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN7,
> -                       GEN9_ENABLE_YV12_BUGFIX |
>                         GEN9_ENABLE_GPGPU_PREEMPTION);
>  
>       /* Wa4x4STCOptimizationDisable:skl,bxt,kbl */
> -- 
> 2.7.4
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