My previous patch (c5d8fac2bf drm: Unplug drm device when unregistering
it) calls drm_unplug_dev when unregistering drm dev. But if open_count
is 0, the unplug will try to unregister the drm dev again and cause
deadlock.
Fix it by dropping drm_unplug_dev and use drm_device_set_plug_state
directly
On Wed, Apr 12, 2017 at 04:57:54AM +0800, Jeffy Chen wrote:
> My previous patch (c5d8fac2bf drm: Unplug drm device when unregistering
> it) calls drm_unplug_dev when unregistering drm dev. But if open_count
> is 0, the unplug will try to unregister the drm dev again and cause
> deadlock.
>
> Fix
