Name
drm_dp_mst_topology_mgr_set_mst — 
     Set the MST state for a topology manager
 
Arguments
- mgr
- 
     manager to set state for
     
- mst_state
- 
     true to enable MST on this connector - false to disable.
     
Description
   This is called by the driver when it detects an MST capable device plugged
   into a DP MST capable port, or when a DP MST capable device is unplugged.