Re: [PATCH] Handling of amdgpu_device_resume return value for graceful teardown

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On Tue, Apr 27, 2021 at 12:51 AM <pavan.ramayanam@xxxxxxx> wrote:
>
> From: Pavan Kumar Ramayanam <pavan.ramayanam@xxxxxxx>
>
> The runtime resume PM op disregards the return value from
> amdgpu_device_resume(), masking errors for failed resumes at the PM
> layer.
>
> Signed-off-by: Pavan Kumar Ramayanam <pavan.ramayanam@xxxxxxx>

Subject should be prefixed with drm/amdgpu:, with that fixed,
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>

Do you need me to commit this for you?

Alex


> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> index 0369d3532bf0..03f3cf194300 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> @@ -1574,6 +1574,9 @@ static int amdgpu_pmops_runtime_resume(struct device *dev)
>                 amdgpu_device_baco_exit(drm_dev);
>         }
>         ret = amdgpu_device_resume(drm_dev, false);
> +       if (ret)
> +               return ret;
> +
>         if (amdgpu_device_supports_px(drm_dev))
>                 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
>         adev->in_runpm = false;
> --
> 2.17.1
>
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