On Wed, Aug 01, 2018 at 01:50:00PM +0530, Nayan Deshmukh wrote:
This should need a commmit message.
Thanks,
Ray
> Signed-off-by: Nayan Deshmukh <nayan26deshmukh at gmail.com>
> ---
> drivers/gpu/drm/scheduler/gpu_scheduler.c | 3 +++
> include/drm/gpu_scheduler.h | 2 ++
> 2 files changed, 5 insertions(+)
>
> diff --git a/drivers/gpu/drm/scheduler/gpu_scheduler.c b/drivers/gpu/drm/scheduler/gpu_scheduler.c
> index a3eacc35cf98..375f6f7f6a93 100644
> --- a/drivers/gpu/drm/scheduler/gpu_scheduler.c
> +++ b/drivers/gpu/drm/scheduler/gpu_scheduler.c
> @@ -549,6 +549,7 @@ void drm_sched_entity_push_job(struct drm_sched_job *sched_job,
>
> trace_drm_sched_job(sched_job, entity);
>
> + atomic_inc(&entity->rq->sched->num_jobs);
> first = spsc_queue_push(&entity->job_queue, &sched_job->queue_node);
>
> /* first job wakes up scheduler */
> @@ -836,6 +837,7 @@ static void drm_sched_process_job(struct dma_fence *f, struct dma_fence_cb *cb)
>
> dma_fence_get(&s_fence->finished);
> atomic_dec(&sched->hw_rq_count);
> + atomic_dec(&sched->num_jobs);
> drm_sched_fence_finished(s_fence);
>
> trace_drm_sched_process_job(s_fence);
> @@ -953,6 +955,7 @@ int drm_sched_init(struct drm_gpu_scheduler *sched,
> INIT_LIST_HEAD(&sched->ring_mirror_list);
> spin_lock_init(&sched->job_list_lock);
> atomic_set(&sched->hw_rq_count, 0);
> + atomic_set(&sched->num_jobs, 0);
> atomic64_set(&sched->job_id_count, 0);
>
> /* Each scheduler will run on a seperate kernel thread */
> diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h
> index a60896222a3e..89881ce974a5 100644
> --- a/include/drm/gpu_scheduler.h
> +++ b/include/drm/gpu_scheduler.h
> @@ -260,6 +260,7 @@ struct drm_sched_backend_ops {
> * @job_list_lock: lock to protect the ring_mirror_list.
> * @hang_limit: once the hangs by a job crosses this limit then it is marked
> * guilty and it will be considered for scheduling further.
> + * @num_jobs: the number of jobs in queue in the scheduler
> *
> * One scheduler is implemented for each hardware ring.
> */
> @@ -277,6 +278,7 @@ struct drm_gpu_scheduler {
> struct list_head ring_mirror_list;
> spinlock_t job_list_lock;
> int hang_limit;
> + atomic_t num_jobs;
> };
>
> int drm_sched_init(struct drm_gpu_scheduler *sched,
> --
> 2.14.3
>
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