"Siluvery, Arun" <arun.siluvery@xxxxxxxxxxxxxxx> writes:
> On 06/08/2015 14:51, Mika Kuoppala wrote:
>> Add WaDisableSbeCacheDispatchPortSharing:skl
>>
>> Cc: Arun Siluvery <arun.siluvery@xxxxxxxxxxxxxxx>
>> Signed-off-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
>> ---
>> drivers/gpu/drm/i915/intel_ringbuffer.c | 7 +++++++
>> 1 file changed, 7 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
>> index 1c14233..1a10358 100644
>> --- a/drivers/gpu/drm/i915/intel_ringbuffer.c
>> +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
>> @@ -1059,6 +1059,13 @@ static int skl_init_workarounds(struct intel_engine_cs *ring)
>> HDC_FENCE_DEST_SLM_DISABLE |
>> HDC_BARRIER_PERFORMANCE_DISABLE);
>>
>> + /* WaDisableSbeCacheDispatchPortSharing:skl */
>> + if (INTEL_REVID(dev) <= SKL_REVID_F0) {
>> + WA_SET_BIT_MASKED(
>> + GEN7_HALF_SLICE_CHICKEN1,
>> + GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE);
>> + }
>> +
> seems to be applicable for BXT also until B0.
>
Yes, we have that in bxt_init_workarounds. I pondered
it is more clean to have rev check for each in their
respective setup functions.
-Mika
> regards
> Arun
>
>> return skl_tune_iz_hashing(ring);
>> }
>>
>>
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