NV services: Difference between revisions
| 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 == | ||