1 files changed, 0 insertions, 72 deletions
diff --git a/common/recipes-kernel/linux/files/0462-drm-amdgpu-fix-unnecessary-wake-up.patch b/common/recipes-kernel/linux/files/0462-drm-amdgpu-fix-unnecessary-wake-up.patch
deleted file mode 100644
index 7d78d4eb..00000000
--- a/common/recipes-kernel/linux/files/0462-drm-amdgpu-fix-unnecessary-wake-up.patch
+++ /dev/null
@@ -1,72 +0,0 @@
-From 1c8f805af9af445a42b8dbda5f620752996cba44 Mon Sep 17 00:00:00 2001
-From: Chunming Zhou <david1.zhou@amd.com>
-Date: Thu, 13 Aug 2015 13:04:06 +0800
-Subject: [PATCH 0462/1050] drm/amdgpu: fix unnecessary wake up
-
-decrease CPU extra overhead.
-
-Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
-Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
-Reviewed-by: Christian K?nig <christian.koenig@amd.com>
----
- drivers/gpu/drm/amd/scheduler/gpu_scheduler.c | 10 ++++++----
- drivers/gpu/drm/amd/scheduler/gpu_scheduler.h |  1 +
- 2 files changed, 7 insertions(+), 4 deletions(-)
-
-diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
-index 5017c71..3d45ff2 100644
---- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
-+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
-@@ -158,7 +158,7 @@ exit:
- 	if (sched->current_entity && (sched->current_entity != tmp))
- 		wake_entity = sched->current_entity;
- 	sched->current_entity = tmp;
--	if (wake_entity)
-+	if (wake_entity && wake_entity->need_wakeup)
- 		wake_up(&wake_entity->wait_queue);
- 	return tmp;
- }
-@@ -195,6 +195,7 @@ int amd_sched_entity_init(struct amd_gpu_scheduler *sched,
- 	entity->fence_context = fence_context_alloc(1);
- 	snprintf(name, sizeof(name), "c_entity[%llu]", entity->fence_context);
- 	memcpy(entity->name, name, 20);
-+	entity->need_wakeup = false;
- 	if(kfifo_alloc(&entity->job_queue,
- 		       jobs * sizeof(void *),
- 		       GFP_KERNEL))
-@@ -257,7 +258,7 @@ int amd_sched_entity_fini(struct amd_gpu_scheduler *sched,
- 
- 	if (!is_context_entity_initialized(sched, entity))
- 		return 0;
--
-+	entity->need_wakeup = true;
- 	/**
- 	 * The client will not queue more IBs during this fini, consume existing
- 	 * queued IBs
-@@ -323,8 +324,9 @@ int amd_sched_push_job(struct amd_gpu_scheduler *sched,
- 		*/
- 		schedule();
- 	}
--
--	wake_up_interruptible(&sched->wait_queue);
-+	/* first job wake up scheduler */
-+	if ((kfifo_len(&c_entity->job_queue) / sizeof(void *)) == 1)
-+		wake_up_interruptible(&sched->wait_queue);
- 	return 0;
- }
- 
-diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
-index 5e35018..47823b4 100644
---- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
-+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
-@@ -54,6 +54,7 @@ struct amd_sched_entity {
- 	bool                            is_pending;
- 	uint64_t                        fence_context;
- 	char                            name[20];
-+	bool                            need_wakeup;
- };
- 
- /**
--- 
-1.9.1
-