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

[Felix Kuehling]

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);