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SubjectRe: [v1] drm/msm: add shutdown support for display platform_driver
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Quoting Krishna Manikandan (2020-05-28 01:38:23)
> diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
> index e4b750b..7a8953f 100644
> --- a/drivers/gpu/drm/msm/msm_drv.c
> +++ b/drivers/gpu/drm/msm/msm_drv.c
> @@ -1322,6 +1322,18 @@ static int msm_pdev_remove(struct platform_device *pdev)
> return 0;
> }
>
> +static void msm_pdev_shutdown(struct platform_device *pdev)
> +{
> + struct drm_device *drm = platform_get_drvdata(pdev);
> +
> + if (!drm) {
> + DRM_ERROR("Invalid drm device node\n");
> + return;
> + }

When would this ever happen? Please drop this useless check.

> +
> + drm_atomic_helper_shutdown(drm);
> +}
> +
> static const struct of_device_id dt_match[] = {
> { .compatible = "qcom,mdp4", .data = (void *)KMS_MDP4 },
> { .compatible = "qcom,mdss", .data = (void *)KMS_MDP5 },

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