[Intel-gfx] [PATCH] drm/i915/bdw: Add WaHdcDisableFetchWhenMasked

[Michel Thierry]

On 12/4/2014 3:25 PM, Ville Syrjälä wrote:
> On Thu, Dec 04, 2014 at 03:07:52PM +0000, Michel Thierry wrote:
>> We already have it for chv, but was missing for bdw.
>>
>> Signed-off-by: Michel Thierry <michel.thierry at intel.com>
>> ---
>>   drivers/gpu/drm/i915/intel_ringbuffer.c | 2 ++
>>   1 file changed, 2 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
>> index 788e1b6..91ddcd1 100644
>> --- a/drivers/gpu/drm/i915/intel_ringbuffer.c
>> +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
>> @@ -756,9 +756,11 @@ static int bdw_init_workarounds(struct intel_engine_cs *ring)
>>   	 * workaround for for a possible hang in the unlikely event a TLB
>>   	 * invalidation occurs during a PSD flush.
>>   	 */
>> +	/* WaHdcDisableFetchWhenMasked:bdw */
>>   	/* WaDisableFenceDestinationToSLM:bdw (GT3 pre-production) */
>>   	WA_SET_BIT_MASKED(HDC_CHICKEN0,
>>   			  HDC_FORCE_NON_COHERENT |
>> +			  HDC_DONOT_FETCH_MEM_WHEN_MASKED |
>>   			  (IS_BDW_GT3(dev) ? HDC_FENCE_DEST_SLM_DISABLE : 0));
> Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> We also seem to miss the w/a name for the "force non-coherent" thing.
> Can you add that as well?
Sure, I'll add the missing _WaForceEnableNonCoherent:bdw_ label

>>   
>>   	/* Wa4x4STCOptimizationDisable:bdw */
>> -- 
>> 2.1.1
>>
>> _______________________________________________
>> Intel-gfx mailing list
>> Intel-gfx at lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

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