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From: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
To: John.C.Harrison@Intel.com, Intel-GFX@Lists.FreeDesktop.Org
Subject: Re: [Intel-gfx] [PATCH] drm/i915: Correct location of Wa_1408615072
Date: Fri, 24 Jul 2020 14:21:03 -0700	[thread overview]
Message-ID: <b23c6e84-7629-a257-fb55-303db76c7ef3@intel.com> (raw)
In-Reply-To: <20200710213246.222179-1-John.C.Harrison@Intel.com>

Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>

Daniele

On 7/10/2020 2:32 PM, John.C.Harrison@Intel.com wrote:
> From: John Harrison <John.C.Harrison@Intel.com>
>
> The above workaround was added as an engine workaround not a GT
> workaround. Moved it to the correct location.
>
> Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
> ---
>   drivers/gpu/drm/i915/gt/intel_workarounds.c | 10 ++++++----
>   1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
> index 5726cd0a37e0..a6548a77439c 100644
> --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
> +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
> @@ -1191,6 +1191,12 @@ tgl_gt_workarounds_init(struct drm_i915_private *i915, struct i915_wa_list *wal)
>   		wa_write_or(wal,
>   			    SLICE_UNIT_LEVEL_CLKGATE,
>   			    L3_CLKGATE_DIS | L3_CR2X_CLKGATE_DIS);
> +
> +	/* Wa_1408615072:tgl[a0] */
> +	/* Empirical testing shows this register is unaffected by engine reset. */
> +	if (IS_TGL_REVID(i915, TGL_REVID_A0, TGL_REVID_A0))
> +		wa_write_or(wal, UNSLICE_UNIT_LEVEL_CLKGATE2,
> +			    VSUNIT_CLKGATE_DIS_TGL);
>   }
>   
>   static void
> @@ -1648,10 +1654,6 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
>   		wa_write_or(wal,
>   			    GEN7_SARCHKMD,
>   			    GEN7_DISABLE_SAMPLER_PREFETCH);
> -
> -		/* Wa_1408615072:tgl */
> -		wa_write_or(wal, UNSLICE_UNIT_LEVEL_CLKGATE2,
> -			    VSUNIT_CLKGATE_DIS_TGL);
>   	}
>   
>   	if (IS_TIGERLAKE(i915)) {

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  parent reply	other threads:[~2020-07-24 21:21 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-10 21:32 [Intel-gfx] [PATCH] drm/i915: Correct location of Wa_1408615072 John.C.Harrison
2020-07-10 22:43 ` [Intel-gfx] ✓ Fi.CI.BAT: success for " Patchwork
2020-07-11  2:27 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
2020-07-24 21:21 ` Daniele Ceraolo Spurio [this message]
2020-11-24 23:07   ` [Intel-gfx] [PATCH] " Lucas De Marchi

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