[PATCH AUTOSEL 5.5 408/542] drm/amdgpu: add the lost mutex_init back

[Alex Deucher]

On Fri, Feb 14, 2020 at 10:57 AM Sasha Levin <sashal at kernel.org> wrote:
>
> From: "Pan, Xinhui" <Xinhui.Pan at amd.com>
>
> [ Upstream commit bd0522112332663e386df1b8642052463ea9b3b9 ]
>
> Initialize notifier_lock.
>
> Bug: https://gitlab.freedesktop.org/drm/amd/issues/1016
> Reviewed-by: Feifei Xu <Feifei.Xu at amd.com>
> Reviewed-by: Christian König <christian.koenig at amd.com>
> Signed-off-by: xinhui pan <xinhui.pan at amd.com>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> Signed-off-by: Sasha Levin <sashal at kernel.org>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index 332b9c24a2cd0..a2f788ad7e1c6 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -2797,6 +2797,7 @@ int amdgpu_device_init(struct amdgpu_device *adev,
>         mutex_init(&adev->notifier_lock);
>         mutex_init(&adev->virt.dpm_mutex);
>         mutex_init(&adev->psp.mutex);
> +       mutex_init(&adev->notifier_lock);
>

This patch is not relevant here.  The same mutex is already
initialized 3 lines above.

Alex


>         r = amdgpu_device_check_arguments(adev);
>         if (r)
> --
> 2.20.1
>
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