[PATCH] drm/amdgpu: Apply noretry setting for mmhub9.4

[Christian König]

Am 23.11.19 um 00:21 schrieb Felix Kuehling:
> On 2019-11-22 5:55 p.m., Oak Zeng wrote:
>> Config the translation retry behavior according to noretry
>> kernel parameter
>>
>> Change-Id: I5b91ea77715137cf8cb84e258ccdfbb19c7a4ed1
>> Signed-off-by: Oak Zeng <Oak.Zeng at amd.com>
>> Suggested-by: Jay Cornwall <Jay.Cornwall at amd.com>
>
> Reviewed-by: Felix Kuehling <Felix.Kuehling at amd.com>

Reviewed-by: Christian König <christian.koenig at amd.com>

>
>
>> ---
>>   drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c | 5 +++--
>>   1 file changed, 3 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c 
>> b/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c
>> index 753eea2..8599bfd 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c
>> @@ -314,7 +314,8 @@ static void mmhub_v9_4_setup_vmid_config(struct 
>> amdgpu_device *adev, int hubid)
>>                       adev->vm_manager.block_size - 9);
>>           /* Send no-retry XNACK on fault to suppress VM fault storm. */
>>           tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT1_CNTL,
>> -                    RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
>> +                    RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
>> +                    !amdgpu_noretry);
>>           WREG32_SOC15_OFFSET(MMHUB, 0, mmVML2VC0_VM_CONTEXT1_CNTL,
>>                       hubid * MMHUB_INSTANCE_REGISTER_OFFSET + i,
>>                       tmp);
>> @@ -905,4 +906,4 @@ static void 
>> mmhub_v9_4_query_ras_error_count(struct amdgpu_device *adev,
>>   const struct amdgpu_mmhub_funcs mmhub_v9_4_funcs = {
>>       .ras_late_init = amdgpu_mmhub_ras_late_init,
>>       .query_ras_error_count = mmhub_v9_4_query_ras_error_count,
>> -};
>> \ No newline at end of file
>> +};
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