Lines Matching refs:event

102  * userspace through the file descriptor. They are used to send vblank event and
106  * For the driver-side event interface see drm_event_reserve_init() and
176 	file->event_space = 4096; /* set aside 4k for event buffer */
591  * This function will only ever read a full event. Therefore userspace must
592  * supply a big enough buffer to fit any event to ensure forward progress. Since
593  * the maximum event space is currently 4K it's recommended to just use that for
619 			file_priv->event_space += e->event->length;
641 			unsigned length = e->event->length;
654 			if (copy_to_user(buffer + ret, e->event, length)) {
701  * drm_event_reserve_init_locked - init a DRM event and reserve space for it
704  * @p: tracking structure for the pending event
705  * @e: actual event data to deliver to userspace
707  * This function prepares the passed in event for eventual delivery. If the event
712  * asynchronous event to userspace.
734 	p->event = e;
743  * drm_event_reserve_init - init a DRM event and reserve space for it
746  * @p: tracking structure for the pending event
747  * @e: actual event data to deliver to userspace
749  * This function prepares the passed in event for eventual delivery. If the event
754  * asynchronous event to userspace.
783  * drm_event_cancel_free - free a DRM event and release its space
785  * @p: tracking structure for the pending event
787  * This function frees the event @p initialized with drm_event_reserve_init()
788  * and releases any allocated space. It is used to cancel an event when the
798 		p->file_priv->event_space += p->event->length;
842  * drm_send_event_timestamp_locked - send DRM event to file descriptor
844  * @e: DRM event to deliver
845  * @timestamp: timestamp to set for the fence event in kernel's CLOCK_MONOTONIC
848  * This function sends the event @e, initialized with drm_event_reserve_init(),
854  * DRM file for this event still exists and can call this function upon
865  * drm_send_event_locked - send DRM event to file descriptor
867  * @e: DRM event to deliver
869  * This function sends the event @e, initialized with drm_event_reserve_init(),
875  * DRM file for this event still exists and can call this function upon
885  * drm_send_event - send DRM event to file descriptor
887  * @e: DRM event to deliver
889  * This function sends the event @e, initialized with drm_event_reserve_init(),
896  * DRM file for this event still exists and can call this function upon