[PATCH] drm/dp/mst: deallocate payload on port destruction

Subject: [PATCH] drm/dp/mst: deallocate payload on port destruction From: Mykola Lysenko This is needed to properly deallocate port payload after downstream branch get unplugged. In order to do this unplugged MST topology should be preserved, to find first alive port on path to unplugged MST

[PATCH] drm/dp/mst: deallocate payload on port destruction

From: Mykola Lysenko This is needed to properly deallocate port payload after downstream branch get unplugged. In order to do this unplugged MST topology should be preserved, to find first alive port on path to unplugged MST topology, and send payload deallocation request to branch device of fou