[PATCH 3/3] drm/amdgpu: Implement bad_page_threshold = -2 case

[Luben Tuikov]

On 2021-10-20 17:54, Felix Kuehling wrote:
> On 2021-10-20 12:35 p.m., Kent Russell wrote:
>> If the bad_page_threshold kernel parameter is set to -2,
>> continue to post the GPU. Print a warning to dmesg that this action has
>> been done, and that page retirement will obviously not work for said GPU
> I'd squash patch 2 and 3. The squashed patch is
>
> Acked-by: Felix Kuehling <Felix.Kuehling at amd.com>

I was just thinking the same thing. Keep the title and text of patch 2 and add the description of 3 to 2. With that done:

Reviewed-by: Luben Tuikov <luben.tuikov at amd.com>

Regards,
Luben

>
>
>> Cc: Luben Tuikov <luben.tuikov at amd.com>
>> Cc: Mukul Joshi <Mukul.Joshi at amd.com>
>> Signed-off-by: Kent Russell <kent.russell at amd.com>
>> ---
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c | 13 +++++++++----
>>   1 file changed, 9 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
>> index 1ede0f0d6f55..31852330c1db 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
>> @@ -1115,11 +1115,16 @@ int amdgpu_ras_eeprom_init(struct amdgpu_ras_eeprom_control *control,
>>   			res = amdgpu_ras_eeprom_correct_header_tag(control,
>>   								   RAS_TABLE_HDR_VAL);
>>   		} else {
>> -			*exceed_err_limit = true;
>> -			dev_err(adev->dev,
>> -				"RAS records:%d exceed threshold:%d, "
>> -				"GPU will not be initialized. Replace this GPU or increase the threshold",
>> +			dev_err(adev->dev, "RAS records:%d exceed threshold:%d",
>>   				control->ras_num_recs, ras->bad_page_cnt_threshold);
>> +			if (amdgpu_bad_page_threshold == -2) {
>> +				dev_warn(adev->dev, "GPU will be initialized due to bad_page_threshold = -2.");
>> +				dev_warn(adev->dev, "Page retirement will not work for this GPU in this state.");
>> +				res = 0;
>> +			} else {
>> +				*exceed_err_limit = true;
>> +				dev_err(adev->dev, "GPU will not be initialized. Replace this GPU or increase the threshold.");
>> +			}
>>   		}
>>   	} else {
>>   		DRM_INFO("Creating a new EEPROM table");