[Intel-gfx] [PATCH 13/67] drm/i915/cnl: Add WaDisableReplayBufferBankArbitrationOptimization

[Mika Kuoppala]

Rodrigo Vivi <rodrigo.vivi at intel.com> writes:

> WA to disable replay buffer destination buffer arbitration optimization.
>
> Same Wa on previous platforms has a different name: WaToEnableHwFixForPushConstHWBug
>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
> ---
>  drivers/gpu/drm/i915/intel_engine_cs.c | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
> index da819a7..7a3c8ab 100644
> --- a/drivers/gpu/drm/i915/intel_engine_cs.c
> +++ b/drivers/gpu/drm/i915/intel_engine_cs.c
> @@ -951,6 +951,10 @@ static int cnl_init_workarounds(struct intel_engine_cs *engine)
>  	struct drm_i915_private *dev_priv = engine->i915;
>  	int ret;
>
> +	/* WaDisableReplayBufferBankArbitrationOptimization:cnl */
> +	WA_SET_BIT_MASKED(COMMON_SLICE_CHICKEN2,
> +			  GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION);
> +

It is from B0 ->
But I dont think it hurts to have this blanket approach.

Reviewed-by: Mika Kuoppala <mika.kuoppala at intel.com>

>  	/* WaInPlaceDecompressionHang:cnl */
>  	WA_SET_BIT(GEN9_GAMT_ECO_REG_RW_IA,
>  		   GAMT_ECO_ENABLE_IN_PLACE_DECOMPRESS);
> -- 
> 1.9.1
>
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