[PATCH] drm/amdgpu: Always call kfd post reset after reset

[Oded Gabbay]

On Wed, Apr 11, 2018 at 11:19 PM, Felix Kuehling <felix.kuehling at amd.com> wrote:
> On 2018-04-11 03:47 PM, Shaoyun Liu wrote:
>> Even reset failed, kfd post reset need to be called to make lock balance on
>> kfd side
>>
>> Change-Id: I8b6ef29d7527915611be0b96a9cd039bc75bb0a9
>> Signed-off-by: Shaoyun Liu <Shaoyun.Liu at amd.com>
>> ---
>>  drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 7 +++----
>>  1 file changed, 3 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> index 78b7d39..90a37ed 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> @@ -3231,12 +3231,11 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
>>               /* bad news, how to tell it to userspace ? */
>>               dev_info(adev->dev, "GPU reset(%d) failed\n", atomic_read(&adev->gpu_reset_counter));
>>               amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_GPU_RESET_FAIL, 0, r);
>> -     } else {
>> +     } else
>>               dev_info(adev->dev, "GPU reset(%d) successed!\n",atomic_read(&adev->gpu_reset_counter));
>> -             /*unlock kfd after a successfully recovery*/
>> -             amdgpu_amdkfd_post_reset(adev);
>> -     }
>
> Please leave the braces {...}. It's better style to make all branches of
> the same if-else-if-...-else use the same braces (or no-braces). With
> that fixed, this change is Reviewed-by: Felix Kuehling
> <Felix.Kuehling at amd.com>
>
>>
>> +     /*unlock kfd */
>> +     amdgpu_amdkfd_post_reset(adev);
>>       amdgpu_vf_error_trans_all(adev);
>>       adev->in_gpu_reset = 0;
>>       mutex_unlock(&adev->lock_reset);
>
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I didn't find a function called "amdgpu_amdkfd_post_reset" anywhere in
the code.
Maybe this patch for something internal, or is it for the Vega code
that I haven't yet taken ?

Oded