From: Christian König Date: Thu, 20 Aug 2015 15:09:54 +0000 (+0200) Subject: drm/amdgpu: remove sched_lock X-Git-Tag: firefly_0821_release~176^2~1083^2~18^2~16 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1fca766b24d07e2daed1da0f224f5f395c73e32b;p=firefly-linux-kernel-4.4.55.git drm/amdgpu: remove sched_lock It isn't protecting anything. Signed-off-by: Christian König Reviewed-by: Chunming Zhou --- diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c index 2ab63d223891..b13642f1e00b 100644 --- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c +++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c @@ -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); diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h index 5913c5cd1c48..123b8f15d3fb 100644 --- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h +++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h @@ -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; };