Merge "disp: msm: sde: manage vblank refcount concurrency"

msm/sde/sde_kms.h

@@ -302,7 +302,6 @@ struct sde_kms {
 	atomic_t detach_sec_cb;
 	atomic_t detach_all_cb;
 	struct mutex secure_transition_lock;
-	struct mutex vblank_ctl_global_lock;
 
 	bool first_kickoff;
 	bool qdss_enabled;