mali_timeline_point mali_soft_job_start(struct mali_soft_job *job, struct mali_timeline_fence *fence) { mali_timeline_point point; struct mali_soft_job_system *system; MALI_DEBUG_ASSERT_POINTER(job); MALI_DEBUG_ASSERT_POINTER(fence); MALI_DEBUG_ASSERT_POINTER(job->system); system = job->system; MALI_DEBUG_ASSERT_POINTER(system->session); MALI_DEBUG_ASSERT_POINTER(system->session->timeline_system); mali_soft_job_system_lock(system); MALI_DEBUG_ASSERT(MALI_SOFT_JOB_STATE_ALLOCATED == job->state); job->state = MALI_SOFT_JOB_STATE_STARTED; mali_soft_job_system_unlock(system); MALI_DEBUG_PRINT(4, ("Mali Soft Job: starting soft job %u (0x%08X)\n", job->id, job)); mali_timeline_tracker_init(&job->tracker, MALI_TIMELINE_TRACKER_SOFT, fence, job); point = mali_timeline_system_add_tracker(system->session->timeline_system, &job->tracker, MALI_TIMELINE_SOFT); return point; }
/** * Creates a sync fence tracker and a sync fence. Adds sync fence tracker to Timeline system and * returns sync fence. The sync fence will be signaled when the sync fence tracker is activated. * * @param timeline Timeline. * @param point Point on timeline. * @return Sync fence that will be signaled when tracker is activated. */ static struct sync_fence *mali_timeline_sync_fence_create_and_add_tracker(struct mali_timeline *timeline, mali_timeline_point point) { struct mali_timeline_sync_fence_tracker *sync_fence_tracker; struct sync_fence *sync_fence; struct mali_timeline_fence fence; MALI_DEBUG_ASSERT_POINTER(timeline); MALI_DEBUG_ASSERT(MALI_TIMELINE_NO_POINT != point); /* Allocate sync fence tracker. */ sync_fence_tracker = _mali_osk_calloc(1, sizeof(struct mali_timeline_sync_fence_tracker)); if (NULL == sync_fence_tracker) { MALI_PRINT_ERROR(("Mali Timeline: sync_fence_tracker allocation failed\n")); return NULL; } /* Create sync flag. */ MALI_DEBUG_ASSERT_POINTER(timeline->sync_tl); sync_fence_tracker->flag = mali_sync_flag_create(timeline->sync_tl, point); if (NULL == sync_fence_tracker->flag) { MALI_PRINT_ERROR(("Mali Timeline: sync_flag creation failed\n")); _mali_osk_free(sync_fence_tracker); return NULL; } /* Create sync fence from sync flag. */ sync_fence = mali_sync_flag_create_fence(sync_fence_tracker->flag); if (NULL == sync_fence) { MALI_PRINT_ERROR(("Mali Timeline: sync_fence creation failed\n")); mali_sync_flag_put(sync_fence_tracker->flag); _mali_osk_free(sync_fence_tracker); return NULL; } /* Setup fence for tracker. */ _mali_osk_memset(&fence, 0, sizeof(struct mali_timeline_fence)); fence.sync_fd = -1; fence.points[timeline->id] = point; /* Finally, add the tracker to Timeline system. */ mali_timeline_tracker_init(&sync_fence_tracker->tracker, MALI_TIMELINE_TRACKER_SYNC, &fence, sync_fence_tracker); point = mali_timeline_system_add_tracker(timeline->system, &sync_fence_tracker->tracker, MALI_TIMELINE_NONE); MALI_DEBUG_ASSERT(MALI_TIMELINE_NO_POINT == point); return sync_fence; }
/** * Check if fence has been signaled. * * @param system Timeline system. * @param fence Timeline fence. * @return MALI_TRUE if fence is signaled, MALI_FALSE if not. */ static mali_bool mali_timeline_fence_wait_check_status(struct mali_timeline_system *system, struct mali_timeline_fence *fence) { int i; u32 tid = _mali_osk_get_tid(); mali_bool ret = MALI_TRUE; #if defined(CONFIG_SYNC) struct sync_fence *sync_fence = NULL; #endif MALI_DEBUG_ASSERT_POINTER(system); MALI_DEBUG_ASSERT_POINTER(fence); mali_spinlock_reentrant_wait(system->spinlock, tid); for (i = 0; i < MALI_TIMELINE_MAX; ++i) { struct mali_timeline *timeline; mali_timeline_point point; point = fence->points[i]; if (likely(MALI_TIMELINE_NO_POINT == point)) { /* Fence contains no point on this timeline. */ continue; } timeline = system->timelines[i]; MALI_DEBUG_ASSERT_POINTER(timeline); if (unlikely(!mali_timeline_is_point_valid(timeline, point))) { MALI_PRINT_ERROR(("Mali Timeline: point %d is not valid (oldest=%d, next=%d)\n", point, timeline->point_oldest, timeline->point_next)); } if (!mali_timeline_is_point_released(timeline, point)) { ret = MALI_FALSE; goto exit; } } #if defined(CONFIG_SYNC) if (-1 != fence->sync_fd) { sync_fence = sync_fence_fdget(fence->sync_fd); if (likely(NULL != sync_fence)) { #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 17, 0) if (0 == sync_fence->status) { #else if (0 == atomic_read(&sync_fence->status)) { #endif ret = MALI_FALSE; } } else { MALI_PRINT_ERROR(("Mali Timeline: failed to get sync fence from fd %d\n", fence->sync_fd)); } } #endif /* defined(CONFIG_SYNC) */ exit: mali_spinlock_reentrant_signal(system->spinlock, tid); #if defined(CONFIG_SYNC) if (NULL != sync_fence) { sync_fence_put(sync_fence); } #endif /* defined(CONFIG_SYNC) */ return ret; } mali_bool mali_timeline_fence_wait(struct mali_timeline_system *system, struct mali_timeline_fence *fence, u32 timeout) { struct mali_timeline_fence_wait_tracker *wait; mali_timeline_point point; mali_bool ret; MALI_DEBUG_ASSERT_POINTER(system); MALI_DEBUG_ASSERT_POINTER(fence); MALI_DEBUG_PRINT(4, ("Mali Timeline: wait on fence\n")); if (MALI_TIMELINE_FENCE_WAIT_TIMEOUT_IMMEDIATELY == timeout) { return mali_timeline_fence_wait_check_status(system, fence); } wait = mali_timeline_fence_wait_tracker_alloc(); if (unlikely(NULL == wait)) { MALI_PRINT_ERROR(("Mali Timeline: failed to allocate data for fence wait\n")); return MALI_FALSE; } wait->activated = MALI_FALSE; wait->system = system; /* Initialize refcount to two references. The reference first will be released by this * function after the wait is over. The second reference will be released when the tracker * is activated. */ _mali_osk_atomic_init(&wait->refcount, 2); /* Add tracker to timeline system, but not to a timeline. */ mali_timeline_tracker_init(&wait->tracker, MALI_TIMELINE_TRACKER_WAIT, fence, wait); point = mali_timeline_system_add_tracker(system, &wait->tracker, MALI_TIMELINE_NONE); MALI_DEBUG_ASSERT(MALI_TIMELINE_NO_POINT == point); MALI_IGNORE(point); /* Wait for the tracker to be activated or time out. */ if (MALI_TIMELINE_FENCE_WAIT_TIMEOUT_NEVER == timeout) { _mali_osk_wait_queue_wait_event(system->wait_queue, mali_timeline_fence_wait_tracker_is_activated, (void *) wait); } else { _mali_osk_wait_queue_wait_event_timeout(system->wait_queue, mali_timeline_fence_wait_tracker_is_activated, (void *) wait, timeout); } ret = wait->activated; if (0 == _mali_osk_atomic_dec_return(&wait->refcount)) { mali_timeline_fence_wait_tracker_free(wait); } return ret; } void mali_timeline_fence_wait_activate(struct mali_timeline_fence_wait_tracker *wait) { mali_scheduler_mask schedule_mask = MALI_SCHEDULER_MASK_EMPTY; MALI_DEBUG_ASSERT_POINTER(wait); MALI_DEBUG_ASSERT_POINTER(wait->system); MALI_DEBUG_PRINT(4, ("Mali Timeline: activation for fence wait tracker\n")); MALI_DEBUG_ASSERT(MALI_FALSE == wait->activated); wait->activated = MALI_TRUE; _mali_osk_wait_queue_wake_up(wait->system->wait_queue); /* Nothing can wait on this tracker, so nothing to schedule after release. */ schedule_mask = mali_timeline_tracker_release(&wait->tracker); MALI_DEBUG_ASSERT(MALI_SCHEDULER_MASK_EMPTY == schedule_mask); MALI_IGNORE(schedule_mask); if (0 == _mali_osk_atomic_dec_return(&wait->refcount)) { mali_timeline_fence_wait_tracker_free(wait); } }