diff options
Diffstat (limited to 'drivers/gpu/arm/utgard/common/mali_soft_job.c')
-rw-r--r-- | drivers/gpu/arm/utgard/common/mali_soft_job.c | 438 |
1 files changed, 438 insertions, 0 deletions
diff --git a/drivers/gpu/arm/utgard/common/mali_soft_job.c b/drivers/gpu/arm/utgard/common/mali_soft_job.c new file mode 100644 index 000000000000..36ac982e1df0 --- /dev/null +++ b/drivers/gpu/arm/utgard/common/mali_soft_job.c @@ -0,0 +1,438 @@ +/* + * Copyright (C) 2013-2015 ARM Limited. All rights reserved. + * + * This program is free software and is provided to you under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence. + * + * A copy of the licence is included with the program, and can also be obtained from Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include "mali_soft_job.h" +#include "mali_osk.h" +#include "mali_timeline.h" +#include "mali_session.h" +#include "mali_kernel_common.h" +#include "mali_uk_types.h" +#include "mali_scheduler.h" +#include "mali_executor.h" + +MALI_STATIC_INLINE void mali_soft_job_system_lock(struct mali_soft_job_system *system) +{ + MALI_DEBUG_ASSERT_POINTER(system); + _mali_osk_spinlock_irq_lock(system->lock); + MALI_DEBUG_PRINT(5, ("Mali Soft Job: soft system %p lock taken\n", system)); + MALI_DEBUG_ASSERT(0 == system->lock_owner); + MALI_DEBUG_CODE(system->lock_owner = _mali_osk_get_tid()); +} + +MALI_STATIC_INLINE void mali_soft_job_system_unlock(struct mali_soft_job_system *system) +{ + MALI_DEBUG_ASSERT_POINTER(system); + MALI_DEBUG_PRINT(5, ("Mali Soft Job: releasing soft system %p lock\n", system)); + MALI_DEBUG_ASSERT(_mali_osk_get_tid() == system->lock_owner); + MALI_DEBUG_CODE(system->lock_owner = 0); + _mali_osk_spinlock_irq_unlock(system->lock); +} + +#if defined(DEBUG) +MALI_STATIC_INLINE void mali_soft_job_system_assert_locked(struct mali_soft_job_system *system) +{ + MALI_DEBUG_ASSERT_POINTER(system); + MALI_DEBUG_ASSERT(_mali_osk_get_tid() == system->lock_owner); +} +#define MALI_ASSERT_SOFT_JOB_SYSTEM_LOCKED(system) mali_soft_job_system_assert_locked(system) +#else +#define MALI_ASSERT_SOFT_JOB_SYSTEM_LOCKED(system) +#endif /* defined(DEBUG) */ + +struct mali_soft_job_system *mali_soft_job_system_create(struct mali_session_data *session) +{ + struct mali_soft_job_system *system; + + MALI_DEBUG_ASSERT_POINTER(session); + + system = (struct mali_soft_job_system *) _mali_osk_calloc(1, sizeof(struct mali_soft_job_system)); + if (NULL == system) { + return NULL; + } + + system->session = session; + + system->lock = _mali_osk_spinlock_irq_init(_MALI_OSK_LOCKFLAG_ORDERED, _MALI_OSK_LOCK_ORDER_SCHEDULER); + if (NULL == system->lock) { + mali_soft_job_system_destroy(system); + return NULL; + } + system->lock_owner = 0; + system->last_job_id = 0; + + _MALI_OSK_INIT_LIST_HEAD(&(system->jobs_used)); + + return system; +} + +void mali_soft_job_system_destroy(struct mali_soft_job_system *system) +{ + MALI_DEBUG_ASSERT_POINTER(system); + + /* All jobs should be free at this point. */ + MALI_DEBUG_ASSERT(_mali_osk_list_empty(&(system->jobs_used))); + + if (NULL != system) { + if (NULL != system->lock) { + _mali_osk_spinlock_irq_term(system->lock); + } + _mali_osk_free(system); + } +} + +static void mali_soft_job_system_free_job(struct mali_soft_job_system *system, struct mali_soft_job *job) +{ + MALI_DEBUG_ASSERT_POINTER(job); + MALI_DEBUG_ASSERT_POINTER(system); + + mali_soft_job_system_lock(job->system); + + MALI_DEBUG_ASSERT(MALI_SOFT_JOB_INVALID_ID != job->id); + MALI_DEBUG_ASSERT(system == job->system); + + _mali_osk_list_del(&(job->system_list)); + + mali_soft_job_system_unlock(job->system); + + _mali_osk_free(job); +} + +MALI_STATIC_INLINE struct mali_soft_job *mali_soft_job_system_lookup_job(struct mali_soft_job_system *system, u32 job_id) +{ + struct mali_soft_job *job, *tmp; + + MALI_DEBUG_ASSERT_POINTER(system); + MALI_ASSERT_SOFT_JOB_SYSTEM_LOCKED(system); + + _MALI_OSK_LIST_FOREACHENTRY(job, tmp, &system->jobs_used, struct mali_soft_job, system_list) { + if (job->id == job_id) + return job; + } + + return NULL; +} + +void mali_soft_job_destroy(struct mali_soft_job *job) +{ + MALI_DEBUG_ASSERT_POINTER(job); + MALI_DEBUG_ASSERT_POINTER(job->system); + + MALI_DEBUG_PRINT(4, ("Mali Soft Job: destroying soft job %u (0x%08X)\n", job->id, job)); + + if (NULL != job) { + if (0 < _mali_osk_atomic_dec_return(&job->refcount)) return; + + _mali_osk_atomic_term(&job->refcount); + + if (NULL != job->activated_notification) { + _mali_osk_notification_delete(job->activated_notification); + job->activated_notification = NULL; + } + + mali_soft_job_system_free_job(job->system, job); + } +} + +struct mali_soft_job *mali_soft_job_create(struct mali_soft_job_system *system, mali_soft_job_type type, u64 user_job) +{ + struct mali_soft_job *job; + _mali_osk_notification_t *notification = NULL; + + MALI_DEBUG_ASSERT_POINTER(system); + MALI_DEBUG_ASSERT((MALI_SOFT_JOB_TYPE_USER_SIGNALED == type) || + (MALI_SOFT_JOB_TYPE_SELF_SIGNALED == type)); + + notification = _mali_osk_notification_create(_MALI_NOTIFICATION_SOFT_ACTIVATED, sizeof(_mali_uk_soft_job_activated_s)); + if (unlikely(NULL == notification)) { + MALI_PRINT_ERROR(("Mali Soft Job: failed to allocate notification")); + return NULL; + } + + job = _mali_osk_malloc(sizeof(struct mali_soft_job)); + if (unlikely(NULL == job)) { + MALI_DEBUG_PRINT(2, ("Mali Soft Job: system alloc job failed. \n")); + return NULL; + } + + mali_soft_job_system_lock(system); + + job->system = system; + job->id = system->last_job_id++; + job->state = MALI_SOFT_JOB_STATE_ALLOCATED; + + _mali_osk_list_add(&(job->system_list), &(system->jobs_used)); + + job->type = type; + job->user_job = user_job; + job->activated = MALI_FALSE; + + job->activated_notification = notification; + + _mali_osk_atomic_init(&job->refcount, 1); + + MALI_DEBUG_ASSERT(MALI_SOFT_JOB_STATE_ALLOCATED == job->state); + MALI_DEBUG_ASSERT(system == job->system); + MALI_DEBUG_ASSERT(MALI_SOFT_JOB_INVALID_ID != job->id); + + mali_soft_job_system_unlock(system); + + return job; +} + +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; +} + +static mali_bool mali_soft_job_is_activated(void *data) +{ + struct mali_soft_job *job; + + job = (struct mali_soft_job *) data; + MALI_DEBUG_ASSERT_POINTER(job); + + return job->activated; +} + +_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_executor_schedule_from_mask(schedule_mask, MALI_FALSE); + + mali_soft_job_destroy(job); + + return _MALI_OSK_ERR_OK; +} + +static void mali_soft_job_send_activated_notification(struct mali_soft_job *job) +{ + if (NULL != job->activated_notification) { + _mali_uk_soft_job_activated_s *res = job->activated_notification->result_buffer; + res->user_job = job->user_job; + mali_session_send_notification(job->system->session, job->activated_notification); + } + job->activated_notification = NULL; +} + +mali_scheduler_mask mali_soft_job_system_activate_job(struct mali_soft_job *job) +{ + mali_scheduler_mask schedule_mask = MALI_SCHEDULER_MASK_EMPTY; + + MALI_DEBUG_ASSERT_POINTER(job); + MALI_DEBUG_ASSERT_POINTER(job->system); + MALI_DEBUG_ASSERT_POINTER(job->system->session); + + MALI_DEBUG_PRINT(4, ("Mali Soft Job: Timeline activation for soft job %u (0x%08X).\n", job->id, job)); + + mali_soft_job_system_lock(job->system); + + if (unlikely(job->system->session->is_aborting)) { + MALI_DEBUG_PRINT(3, ("Mali Soft Job: Soft job %u (0x%08X) activated while session is aborting.\n", job->id, job)); + + mali_soft_job_system_unlock(job->system); + + /* Since we are in shutdown, we can ignore the scheduling bitmask. */ + mali_timeline_tracker_release(&job->tracker); + mali_soft_job_destroy(job); + return schedule_mask; + } + + /* Send activated notification. */ + mali_soft_job_send_activated_notification(job); + + /* Wake up sleeping signaler. */ + job->activated = MALI_TRUE; + + /* If job type is self signaled, release tracker, move soft job to free list, and scheduler at once */ + if (MALI_SOFT_JOB_TYPE_SELF_SIGNALED == job->type) { + MALI_DEBUG_ASSERT(MALI_SOFT_JOB_STATE_STARTED == job->state); + + job->state = MALI_SOFT_JOB_STATE_SIGNALED; + mali_soft_job_system_unlock(job->system); + + schedule_mask |= mali_timeline_tracker_release(&job->tracker); + + mali_soft_job_destroy(job); + } else { + _mali_osk_wait_queue_wake_up(job->tracker.system->wait_queue); + + mali_soft_job_system_unlock(job->system); + } + + return schedule_mask; +} + +mali_scheduler_mask mali_soft_job_system_timeout_job(struct mali_soft_job *job) +{ + mali_scheduler_mask schedule_mask = MALI_SCHEDULER_MASK_EMPTY; + + MALI_DEBUG_ASSERT_POINTER(job); + MALI_DEBUG_ASSERT_POINTER(job->system); + MALI_DEBUG_ASSERT_POINTER(job->system->session); + MALI_DEBUG_ASSERT(MALI_TRUE == job->activated); + + MALI_DEBUG_PRINT(4, ("Mali Soft Job: Timeline timeout for soft job %u (0x%08X).\n", job->id, job)); + + mali_soft_job_system_lock(job->system); + + MALI_DEBUG_ASSERT(MALI_SOFT_JOB_STATE_STARTED == job->state || + MALI_SOFT_JOB_STATE_SIGNALED == job->state); + + if (unlikely(job->system->session->is_aborting)) { + /* The session is aborting. This job will be released and destroyed by @ref + * mali_soft_job_system_abort(). */ + mali_soft_job_system_unlock(job->system); + + return MALI_SCHEDULER_MASK_EMPTY; + } + + if (MALI_SOFT_JOB_STATE_STARTED != job->state) { + MALI_DEBUG_ASSERT(MALI_SOFT_JOB_STATE_SIGNALED == job->state); + + /* The job is about to be signaled, ignore timeout. */ + MALI_DEBUG_PRINT(4, ("Mali Soft Job: Timeout on soft job %u (0x%08X) in signaled state.\n", job->id, job)); + mali_soft_job_system_unlock(job->system); + return schedule_mask; + } + + MALI_DEBUG_ASSERT(MALI_SOFT_JOB_STATE_STARTED == job->state); + + job->state = MALI_SOFT_JOB_STATE_TIMED_OUT; + _mali_osk_atomic_inc(&job->refcount); + + mali_soft_job_system_unlock(job->system); + + schedule_mask = mali_timeline_tracker_release(&job->tracker); + + mali_soft_job_destroy(job); + + return schedule_mask; +} + +void mali_soft_job_system_abort(struct mali_soft_job_system *system) +{ + struct mali_soft_job *job, *tmp; + _MALI_OSK_LIST_HEAD_STATIC_INIT(jobs); + + MALI_DEBUG_ASSERT_POINTER(system); + MALI_DEBUG_ASSERT_POINTER(system->session); + MALI_DEBUG_ASSERT(system->session->is_aborting); + + MALI_DEBUG_PRINT(3, ("Mali Soft Job: Aborting soft job system for session 0x%08X.\n", system->session)); + + mali_soft_job_system_lock(system); + + _MALI_OSK_LIST_FOREACHENTRY(job, tmp, &system->jobs_used, struct mali_soft_job, system_list) { + MALI_DEBUG_ASSERT(MALI_SOFT_JOB_STATE_STARTED == job->state || + MALI_SOFT_JOB_STATE_TIMED_OUT == job->state); + + if (MALI_SOFT_JOB_STATE_STARTED == job->state) { + /* If the job has been activated, we have to release the tracker and destroy + * the job. If not, the tracker will be released and the job destroyed when + * it is activated. */ + if (MALI_TRUE == job->activated) { + MALI_DEBUG_PRINT(3, ("Mali Soft Job: Aborting unsignaled soft job %u (0x%08X).\n", job->id, job)); + + job->state = MALI_SOFT_JOB_STATE_SIGNALED; + _mali_osk_list_move(&job->system_list, &jobs); + } + } else if (MALI_SOFT_JOB_STATE_TIMED_OUT == job->state) { + MALI_DEBUG_PRINT(3, ("Mali Soft Job: Aborting timed out soft job %u (0x%08X).\n", job->id, job)); + + /* We need to destroy this soft job. */ + _mali_osk_list_move(&job->system_list, &jobs); + } + } + + mali_soft_job_system_unlock(system); + + /* Release and destroy jobs. */ + _MALI_OSK_LIST_FOREACHENTRY(job, tmp, &jobs, struct mali_soft_job, system_list) { + MALI_DEBUG_ASSERT(MALI_SOFT_JOB_STATE_SIGNALED == job->state || + MALI_SOFT_JOB_STATE_TIMED_OUT == job->state); + + if (MALI_SOFT_JOB_STATE_SIGNALED == job->state) { + mali_timeline_tracker_release(&job->tracker); + } + + /* Move job back to used list before destroying. */ + _mali_osk_list_move(&job->system_list, &system->jobs_used); + + mali_soft_job_destroy(job); + } +} |