This patch is in preparation for a better load balancing in
scheduler. It allows us to associate entities with the
run queues instead of binding them to a scheduler.
Signed-off-by: Nayan Deshmukh <nayan26deshm...@gmail.com>
---
drivers/gpu/drm/scheduler/gpu_scheduler.c | 6 ++++--
include/drm/gpu_scheduler.h | 2 ++
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/scheduler/gpu_scheduler.c
b/drivers/gpu/drm/scheduler/gpu_scheduler.c
index 7d2560699b84..429b1328653a 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;
}
/**
@@ -926,7 +928,7 @@ 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);
diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h
index 4214ceb71c05..43e93d6077cf 100644
--- a/include/drm/gpu_scheduler.h
+++ b/include/drm/gpu_scheduler.h
@@ -93,6 +93,7 @@ struct drm_sched_entity {
* struct drm_sched_rq - queue of entities to be scheduled.
*
* @lock: to modify the entities list.
+ * @sched: the scheduler to which this rq belongs to.
* @entities: list of the entities to be scheduled.
* @current_entity: the entity which is to be scheduled.
*
@@ -102,6 +103,7 @@ struct drm_sched_entity {
*/
struct drm_sched_rq {
spinlock_t lock;
+ struct drm_gpu_scheduler *sched;
struct list_head entities;
struct drm_sched_entity *current_entity;
};
--
2.14.3
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