[PATCH] drm/amdgpu: Print UTCL2 client ID on a gpuvm fault

[Christian König]

Am 06.04.20 um 20:46 schrieb Alex Deucher:
> On Mon, Apr 6, 2020 at 1:42 PM Oak Zeng <Oak.Zeng at amd.com> wrote:
>> UTCL2 client ID is useful information to get which
>> UTCL2 client caused the gpuvm fault. Print it out
>> for debug purpose
>>
>> Change-Id: I733d0127b0ee53aa788f194cefa53cbb55b49c11
>> Signed-off-by: Oak Zeng <Oak.Zeng at amd.com>
> Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

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

>
>
>> ---
>>   drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 3 +++
>>   drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c  | 3 +++
>>   2 files changed, 6 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
>> index 78d769e..94a6096 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
>> @@ -170,6 +170,9 @@ static int gmc_v10_0_process_interrupt(struct amdgpu_device *adev,
>>                          dev_err(adev->dev,
>>                                  "GCVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
>>                                  status);
>> +                       dev_err(adev->dev, "\t Faulty UTCL2 client ID: 0x%lx\n",
>> +                               REG_GET_FIELD(status,
>> +                               GCVM_L2_PROTECTION_FAULT_STATUS, CID));
>>                          dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",
>>                                  REG_GET_FIELD(status,
>>                                  GCVM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS));
>> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
>> index 8606f87..fecdbc4 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
>> @@ -362,6 +362,9 @@ static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev,
>>                          dev_err(adev->dev,
>>                                  "VM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
>>                                  status);
>> +                       dev_err(adev->dev, "\t Faulty UTCL2 client ID: 0x%lx\n",
>> +                               REG_GET_FIELD(status,
>> +                               VM_L2_PROTECTION_FAULT_STATUS, CID));
>>                          dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",
>>                                  REG_GET_FIELD(status,
>>                                  VM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS));
>> --
>> 2.7.4
>>
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