diff options
Diffstat (limited to 'drivers/gpu/drm/scheduler/gpu_scheduler.c')
-rw-r--r-- | drivers/gpu/drm/scheduler/gpu_scheduler.c | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/drivers/gpu/drm/scheduler/gpu_scheduler.c b/drivers/gpu/drm/scheduler/gpu_scheduler.c index 7d2560699b84..dac71e3b4514 100644 --- a/drivers/gpu/drm/scheduler/gpu_scheduler.c +++ b/drivers/gpu/drm/scheduler/gpu_scheduler.c @@ -69,11 +69,13 @@ static void drm_sched_process_job(struct dma_fence *f, struct dma_fence_cb *cb); * * Initializes a scheduler runqueue. */ -static void drm_sched_rq_init(struct drm_sched_rq *rq) +static void drm_sched_rq_init(struct drm_gpu_scheduler *sched, + struct drm_sched_rq *rq) { spin_lock_init(&rq->lock); INIT_LIST_HEAD(&rq->entities); rq->current_entity = NULL; + rq->sched = sched; } /** @@ -160,26 +162,30 @@ drm_sched_rq_select_entity(struct drm_sched_rq *rq) * drm_sched_entity_init - Init a context entity used by scheduler when * submit to HW ring. * - * @sched: scheduler instance * @entity: scheduler entity to init - * @rq: the run queue this entity belongs + * @rq_list: the list of run queue on which jobs from this + * entity can be submitted + * @num_rq_list: number of run queue in rq_list * @guilty: atomic_t set to 1 when a job on this queue * is found to be guilty causing a timeout * + * Note: the rq_list should have atleast one element to schedule + * the entity + * * Returns 0 on success or a negative error code on failure. */ -int drm_sched_entity_init(struct drm_gpu_scheduler *sched, - struct drm_sched_entity *entity, - struct drm_sched_rq *rq, +int drm_sched_entity_init(struct drm_sched_entity *entity, + struct drm_sched_rq **rq_list, + unsigned int num_rq_list, atomic_t *guilty) { - if (!(sched && entity && rq)) + if (!(entity && rq_list && num_rq_list > 0 && rq_list[0])) return -EINVAL; memset(entity, 0, sizeof(struct drm_sched_entity)); INIT_LIST_HEAD(&entity->list); - entity->rq = rq; - entity->sched = sched; + entity->rq = rq_list[0]; + entity->sched = rq_list[0]->sched; entity->guilty = guilty; entity->last_scheduled = NULL; @@ -541,6 +547,11 @@ void drm_sched_entity_push_job(struct drm_sched_job *sched_job, if (first) { /* Add the entity to the run queue */ spin_lock(&entity->rq_lock); + if (!entity->rq) { + DRM_ERROR("Trying to push to a killed entity\n"); + spin_unlock(&entity->rq_lock); + return; + } drm_sched_rq_add_entity(entity->rq, entity); spin_unlock(&entity->rq_lock); drm_sched_wakeup(sched); @@ -926,7 +937,7 @@ int drm_sched_init(struct drm_gpu_scheduler *sched, sched->timeout = timeout; sched->hang_limit = hang_limit; for (i = DRM_SCHED_PRIORITY_MIN; i < DRM_SCHED_PRIORITY_MAX; i++) - drm_sched_rq_init(&sched->sched_rq[i]); + drm_sched_rq_init(sched, &sched->sched_rq[i]); init_waitqueue_head(&sched->wake_up_worker); init_waitqueue_head(&sched->job_scheduled); |