[PATCH] drm/amdgpu: disable GPU RAS bad page feature for specific ASIC

[Lazar, Lijo]

On a second thought, this may be made more generic by just checking APU
flag - holds true for any APU in general.

Thanks,
Lijo

On 9/10/2024 7:24 PM, Lazar, Lijo wrote:
> 
> 
> On 9/10/2024 2:07 PM, Tao Zhou wrote:
>> The feature is not applicable to specific app platform.
>>
>> v2: update the disablement condition and commit description
>> v3: move the setting to amdgpu_ras_check_supported
>>
>> Signed-off-by: Tao Zhou <tao.zhou1 at amd.com>
>> Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>
> 
> Reviewed-by: Lijo Lazar <lijo.lazar at amd.com>
> 
> Thanks,
> Lijo
> 
>> ---
>>  drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 5 +++++
>>  1 file changed, 5 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
>> index dbfc41ddc3c7..ebe3e8f01fe2 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
>> @@ -3483,6 +3483,11 @@ static void amdgpu_ras_check_supported(struct amdgpu_device *adev)
>>  
>>  	/* aca is disabled by default */
>>  	adev->aca.is_enabled = false;
>> +
>> +	/* bad page feature is not applicable to specific app platform */
>> +	if (adev->gmc.is_app_apu &&
>> +	    amdgpu_ip_version(adev, UMC_HWIP, 0) == IP_VERSION(12, 0, 0))
>> +		amdgpu_bad_page_threshold = 0;
>>  }
>>  
>>  static void amdgpu_ras_counte_dw(struct work_struct *work)