[Intel-gfx] [PATCH 3/3] drm/i915/dg1: Move Wa_1806527549 to the right function

[Lucas De Marchi]

On Mon, Mar 06, 2023 at 03:17:50PM -0800, Matt Roper wrote:
>On Mon, Mar 06, 2023 at 12:49:54PM -0800, Lucas De Marchi wrote:
>> dg1_ctx_workarounds_init() is DG1-only, while
>> gen12_ctx_workarounds_init() is shared with other platforms. Move the
>> workaround to the former so there is no additional platform check
>> needed.
>>
>> Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>
>> ---
>>  drivers/gpu/drm/i915/gt/intel_workarounds.c | 9 +++------
>>  1 file changed, 3 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
>> index 389bfcd299af..f68fe64f63a6 100644
>> --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
>> +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
>> @@ -707,8 +707,6 @@ static void gen12_ctx_gt_tuning_init(struct intel_engine_cs *engine,
>>  static void gen12_ctx_workarounds_init(struct intel_engine_cs *engine,
>>  				       struct i915_wa_list *wal)
>>  {
>> -	struct drm_i915_private *i915 = engine->i915;
>> -
>>  	gen12_ctx_gt_tuning_init(engine, wal);
>>
>>  	/*
>> @@ -742,10 +740,6 @@ static void gen12_ctx_workarounds_init(struct intel_engine_cs *engine,
>>  	       FF_MODE2_GS_TIMER_MASK,
>>  	       FF_MODE2_GS_TIMER_224,
>>  	       0, false);
>> -
>> -	if (!IS_DG1(i915))
>
>I think you missed the "!" here.  I.e., this workaround applies to all
>the "gen12" platforms *except* DG1.

oops, thanks for catching that.  I'll drop this last patch.

Lucas De Marchi

>
>
>Matt
>
>> -		/* Wa_1806527549 */
>> -		wa_masked_en(wal, HIZ_CHICKEN, HZ_DEPTH_TEST_LE_GE_OPT_DISABLE);
>>  }
>>
>>  static void dg1_ctx_workarounds_init(struct intel_engine_cs *engine,
>> @@ -760,6 +754,9 @@ static void dg1_ctx_workarounds_init(struct intel_engine_cs *engine,
>>  	/* Wa_22010493298 */
>>  	wa_masked_en(wal, HIZ_CHICKEN,
>>  		     DG1_HZ_READ_SUPPRESSION_OPTIMIZATION_DISABLE);
>> +
>> +	/* Wa_1806527549 */
>> +	wa_masked_en(wal, HIZ_CHICKEN, HZ_DEPTH_TEST_LE_GE_OPT_DISABLE);
>>  }
>>
>>  static void dg2_ctx_workarounds_init(struct intel_engine_cs *engine,
>> --
>> 2.39.0
>>
>
>-- 
>Matt Roper
>Graphics Software Engineer
>Linux GPU Platform Enablement
>Intel Corporation