Changes

312 bytes added ,  21:27, 10 March 2018
Line 66: Line 66:  
QueryEvent is only supported on (and implemented differently on):
 
QueryEvent is only supported on (and implemented differently on):
 
* /dev/nvhost-gpu
 
* /dev/nvhost-gpu
* /dev/nvhost-ctrl
+
** Unknown
 +
* /dev/nvhost-ctrl: Used to get events for SyncPts.
 +
** If bit31-28 is 1, then lower 16-bits contain event_slot, bit27-16 contain syncpt_number.
 +
** If bit31-28 is 0, then lower 4-bits contain event_slot, bit31-4 contains syncpt_number.
 
* /dev/nvhost-ctrl-gpu
 
* /dev/nvhost-ctrl-gpu
 +
** 1: Returns error_event_handle.
 +
** 2: Returns unknown event.
 
* /dev/nvhost-dbg-gpu
 
* /dev/nvhost-dbg-gpu
 +
** Ignored event-id.
    
== MapSharedMem ==
 
== MapSharedMem ==