[Intel-gfx] [PATCH 13/18] drm/i915/skl: Implement WaDisablePartialResolveInVc

[Nick Hoath]

On 09/02/2015 19:33, Damien Lespiau wrote:
> Signed-off-by: Damien Lespiau <damien.lespiau at intel.com>

Reviewed-by: Nick Hoath <nicholas.hoath at intel.com>

> ---
>   drivers/gpu/drm/i915/i915_reg.h         | 1 +
>   drivers/gpu/drm/i915/intel_ringbuffer.c | 3 +++
>   2 files changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index fdfbdb3..d519ed9 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -1483,6 +1483,7 @@ enum skl_disp_power_wells {
>   #define CACHE_MODE_1		0x7004 /* IVB+ */
>   #define   PIXEL_SUBSPAN_COLLECT_OPT_DISABLE	(1<<6)
>   #define   GEN8_4x4_STC_OPTIMIZATION_DISABLE	(1<<6)
> +#define   GEN9_PARTIAL_RESOLVE_IN_VC_DISABLE	(1<<1)
>
>   #define GEN6_BLITTER_ECOSKPD	0x221d0
>   #define   GEN6_BLITTER_LOCK_SHIFT			16
> diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
> index 3135192..db83baf 100644
> --- a/drivers/gpu/drm/i915/intel_ringbuffer.c
> +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
> @@ -925,6 +925,9 @@ static int gen9_init_workarounds(struct intel_engine_cs *ring)
>   	/* Wa4x4STCOptimizationDisable:skl */
>   	WA_SET_BIT_MASKED(CACHE_MODE_1, GEN8_4x4_STC_OPTIMIZATION_DISABLE);
>
> +	/* WaDisablePartialResolveInVc:skl */
> +	WA_SET_BIT_MASKED(CACHE_MODE_1, GEN9_PARTIAL_RESOLVE_IN_VC_DISABLE);
> +
>   	return 0;
>   }
>
>