Re: [PATCH v2] drm/amd/powerplay:clean up the residual mutex for smu_hw_init

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Reviewed-by: Kevin Wang <kevin1.wang@xxxxxxx>


On 6/25/19 3:43 PM, Prike Liang wrote:
> The mutex for procting SMU during hw_init was removed as system
> will be deadlock when smu_populate_umd_state_clk try get SMU mutex.
> Therefore need remove the residual mutex from failed path.
>
> Change-Id: Id8019c01b9496c067efda4817a46983e4da3b6e4
> Signed-off-by: Prike Liang <Prike.Liang@xxxxxxx>
> ---
>   drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 1 -
>   1 file changed, 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
> index f61ecbf..fe83c5e 100644
> --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
> +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
> @@ -1044,7 +1044,6 @@ static int smu_hw_init(void *handle)
>   	return 0;
>   
>   failed:
> -	mutex_unlock(&smu->mutex);
>   	return ret;
>   }
>   
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