void mali_gp_scheduler_suspend(void)
{
mali_gp_scheduler_lock();
pause_count++; /* Increment the pause_count so that no more jobs will be scheduled */
mali_gp_scheduler_unlock();
_mali_osk_wait_queue_wait_event(gp_scheduler_working_wait_queue, mali_gp_scheduler_is_suspended);
}
void mali_gp_scheduler_suspend(void)
{
mali_gp_scheduler_lock();
pause_count++;
mali_gp_scheduler_unlock();
_mali_osk_wait_queue_wait_event(gp_scheduler_working_wait_queue, mali_gp_scheduler_is_suspended);
}
_mali_osk_errcode_t mali_soft_job_system_signal_job(struct mali_soft_job_system *system, u32 job_id)
{
struct mali_soft_job *job;
struct mali_timeline_system *timeline_system;
mali_scheduler_mask schedule_mask;
MALI_DEBUG_ASSERT_POINTER(system);
mali_soft_job_system_lock(system);
job = mali_soft_job_system_lookup_job(system, job_id);
if ((NULL == job) || (MALI_SOFT_JOB_TYPE_USER_SIGNALED != job->type)
|| !(MALI_SOFT_JOB_STATE_STARTED == job->state || MALI_SOFT_JOB_STATE_TIMED_OUT == job->state)) {
mali_soft_job_system_unlock(system);
MALI_PRINT_ERROR(("Mali Soft Job: invalid soft job id %u", job_id));
return _MALI_OSK_ERR_ITEM_NOT_FOUND;
}
if (MALI_SOFT_JOB_STATE_TIMED_OUT == job->state) {
job->state = MALI_SOFT_JOB_STATE_SIGNALED;
mali_soft_job_system_unlock(system);
MALI_DEBUG_ASSERT(MALI_TRUE == job->activated);
MALI_DEBUG_PRINT(4, ("Mali Soft Job: soft job %u (0x%08X) was timed out\n", job->id, job));
mali_soft_job_destroy(job);
return _MALI_OSK_ERR_TIMEOUT;
}
MALI_DEBUG_ASSERT(MALI_SOFT_JOB_STATE_STARTED == job->state);
job->state = MALI_SOFT_JOB_STATE_SIGNALED;
mali_soft_job_system_unlock(system);
/* Since the job now is in signaled state, timeouts from the timeline system will be
* ignored, and it is not possible to signal this job again. */
timeline_system = system->session->timeline_system;
MALI_DEBUG_ASSERT_POINTER(timeline_system);
/* Wait until activated. */
_mali_osk_wait_queue_wait_event(timeline_system->wait_queue, mali_soft_job_is_activated, (void *) job);
MALI_DEBUG_PRINT(4, ("Mali Soft Job: signaling soft job %u (0x%08X)\n", job->id, job));
schedule_mask = mali_timeline_tracker_release(&job->tracker);
mali_scheduler_schedule_from_mask(schedule_mask, MALI_FALSE);
mali_soft_job_destroy(job);
return _MALI_OSK_ERR_OK;
}
void mali_pp_scheduler_suspend(void)
{
mali_pp_scheduler_lock();
pause_count++; /* Increment the pause_count so that no more jobs will be scheduled */
mali_pp_scheduler_unlock();
/*mali_pp_scheduler_working_lock();*/
/* We have now aquired the working lock, which means that we have successfully paused the scheduler */
/*mali_pp_scheduler_working_unlock();*/
/* go to sleep. When woken up again (in mali_pp_scheduler_job_done), the
* mali_pp_scheduler_suspended() function will be called. This will return true
* iff state is idle and pause_count > 0, so if the core is active this
* will not do anything.
*/
_mali_osk_wait_queue_wait_event(pp_scheduler_working_wait_queue, mali_pp_scheduler_is_suspended);
}
/**
* 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);
}
}
