[Intel-gfx] [PATCH] drm/i915/dg2: Remove Wa_15010599737

[Matt Roper]

On Mon, Aug 14, 2023 at 08:32:15PM +0530, Shekhar Chauhan wrote:
> Since this Wa is specific to DirectX, this is not required on Linux.
> 
> Signed-off-by: Shekhar Chauhan <shekhar.chauhan at intel.com>

Reviewed-by: Matt Roper <matthew.d.roper at intel.com>

Too bad the hardware teams didn't do a better job of documenting this so
that we would have known earlier.


Matt

> ---
>  drivers/gpu/drm/i915/gt/intel_gt_regs.h     | 3 ---
>  drivers/gpu/drm/i915/gt/intel_workarounds.c | 3 ---
>  2 files changed, 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
> index 718cb2c80f79..15b82d37486b 100644
> --- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h
> +++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
> @@ -412,9 +412,6 @@
>  
>  #define XEHP_CULLBIT1				MCR_REG(0x6100)
>  
> -#define CHICKEN_RASTER_1			MCR_REG(0x6204)
> -#define   DIS_SF_ROUND_NEAREST_EVEN		REG_BIT(8)
> -
>  #define CHICKEN_RASTER_2			MCR_REG(0x6208)
>  #define   TBIMR_FAST_CLIP			REG_BIT(5)
>  
> diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
> index 01807a7dd2c1..5aa0d3f23c6b 100644
> --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
> +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
> @@ -805,9 +805,6 @@ static void dg2_ctx_workarounds_init(struct intel_engine_cs *engine,
>  	    IS_DG2_G11(engine->i915) || IS_DG2_G12(engine->i915))
>  		wa_mcr_masked_en(wal, XEHP_PSS_MODE2, SCOREBOARD_STALL_FLUSH_CONTROL);
>  
> -	/* Wa_15010599737:dg2 */
> -	wa_mcr_masked_en(wal, CHICKEN_RASTER_1, DIS_SF_ROUND_NEAREST_EVEN);
> -
>  	/* Wa_18019271663:dg2 */
>  	wa_masked_en(wal, CACHE_MODE_1, MSAA_OPTIMIZATION_REDUC_DISABLE);
>  }
> -- 
> 2.34.1
> 

-- 
Matt Roper
Graphics Software Engineer
Linux GPU Platform Enablement
Intel Corporation