Yea, I might need to give another thought to whether this spinlock can
actually be removed.
Andrey
On 05/15/2018 03:38 PM, Alex Deucher wrote:
On Tue, May 15, 2018 at 3:31 PM, Andrey Grodzovsky
<andrey.grodzovsky@xxxxxxx> wrote:
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@xxxxxxx>
Please provide a better patch description.
Alex
---
drivers/gpu/drm/scheduler/gpu_scheduler.c | 4 ----
include/drm/gpu_scheduler.h | 1 -
2 files changed, 5 deletions(-)
diff --git a/drivers/gpu/drm/scheduler/gpu_scheduler.c b/drivers/gpu/drm/scheduler/gpu_scheduler.c
index 1f1dd70..2569a63 100644
--- a/drivers/gpu/drm/scheduler/gpu_scheduler.c
+++ b/drivers/gpu/drm/scheduler/gpu_scheduler.c
@@ -140,7 +140,6 @@ int drm_sched_entity_init(struct drm_gpu_scheduler *sched,
entity->last_scheduled = NULL;
spin_lock_init(&entity->rq_lock);
- spin_lock_init(&entity->queue_lock);
spsc_queue_init(&entity->job_queue);
atomic_set(&entity->fence_seq, 0);
@@ -424,11 +423,8 @@ void drm_sched_entity_push_job(struct drm_sched_job *sched_job,
trace_drm_sched_job(sched_job, entity);
- spin_lock(&entity->queue_lock);
first = spsc_queue_push(&entity->job_queue, &sched_job->queue_node);
- spin_unlock(&entity->queue_lock);
-
/* first job wakes up scheduler */
if (first) {
/* Add the entity to the run queue */
diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h
index 350a62c..683eb65 100644
--- a/include/drm/gpu_scheduler.h
+++ b/include/drm/gpu_scheduler.h
@@ -56,7 +56,6 @@ struct drm_sched_entity {
spinlock_t rq_lock;
struct drm_gpu_scheduler *sched;
- spinlock_t queue_lock;
struct spsc_queue job_queue;
atomic_t fence_seq;
--
2.7.4
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