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drm/amdgpu: remove sched_lock 

It isn't protecting anything.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
This commit is contained in:
Christian König 2015-08-20 17:09:54 +02:00 committed by Alex Deucher
parent b034b572f2
commit 1fca766b24
2 changed files with 0 additions and 4 deletions
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3
drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
View File

@ -302,7 +302,6 @@ static int amd_sched_main(void *param)
continue;
atomic_inc(&sched->hw_rq_count);
mutex_lock(&sched->sched_lock);
fence = sched->ops->run_job(sched, c_entity, job);
if (fence) {
r = fence_add_callback(fence, &job->cb,
@ -313,7 +312,6 @@ static int amd_sched_main(void *param)
DRM_ERROR("fence add callback failed (%d)\n", r);
fence_put(fence);
}
mutex_unlock(&sched->sched_lock);
if (c_entity->need_wakeup) {
c_entity->need_wakeup = false;
@ -356,7 +354,6 @@ struct amd_gpu_scheduler *amd_sched_create(void *device,
sched->preemption = preemption;
sched->hw_submission_limit = hw_submission;
snprintf(name, sizeof(name), "gpu_sched[%d]", ring);
mutex_init(&sched->sched_lock);
amd_sched_rq_init(&sched->sched_rq);
amd_sched_rq_init(&sched->kernel_rq);

1
drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
View File

@ -114,7 +114,6 @@ struct amd_gpu_scheduler {
uint32_t granularity; /* in ms unit */
uint32_t preemption;
wait_queue_head_t wait_queue;
struct mutex sched_lock;
uint32_t hw_submission_limit;
};