[Intel-gfx] [PATCH 2/2] drm/i915/fbdev: suspend HPD before fbdev unregistration

Murthy, Arun R arun.r.murthy at intel.com
Wed Jun 29 05:38:07 UTC 2022


>  void intel_fbdev_unregister(struct drm_i915_private *dev_priv)  {
>  	struct intel_fbdev *ifbdev = dev_priv->fbdev; @@ -573,6 +594,8 @@
> void intel_fbdev_unregister(struct drm_i915_private *dev_priv)
>  	if (!ifbdev)
>  		return;
> 
> +	intel_fbdev_hpd_set_suspend(dev_priv,
> FBINFO_STATE_SUSPENDED);
> +

Instead of intel_fbdev_hpd_set_suspend(), will intel_fbdev_set_suspend() make more sense?
If intel_fbdev_set_suspend() is called, then the below cancel_work_sync() may not be required.

>  	cancel_work_sync(&dev_priv->fbdev_suspend_work);
>  	if (!current_is_async())
>  		intel_fbdev_sync(ifbdev);

Thanks and Regards,
Arun R Murthy
--------------------


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