[PATCH 2/2] drm/sched: move fence slab handling to module init/exit

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This is the only part of the scheduler which must not be called from
different drivers. Move it to module init/exit so it is done a single
time when loading the scheduler.

Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c |  8 --------
 drivers/gpu/drm/scheduler/sched_fence.c | 12 ++++++++----
 include/drm/gpu_scheduler.h             |  3 ---
 3 files changed, 8 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index b23c83c59725..18b7fce2fb27 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -906,10 +906,6 @@ static int __init amdgpu_init(void)
 	if (r)
 		goto error_fence;
 
-	r = drm_sched_fence_slab_init();
-	if (r)
-		goto error_sched;
-
 	if (vgacon_text_force()) {
 		DRM_ERROR("VGACON disables amdgpu kernel modesetting.\n");
 		return -EINVAL;
@@ -922,9 +918,6 @@ static int __init amdgpu_init(void)
 	/* let modprobe override vga console setting */
 	return pci_register_driver(pdriver);
 
-error_sched:
-	amdgpu_fence_slab_fini();
-
 error_fence:
 	amdgpu_sync_fini();
 
@@ -938,7 +931,6 @@ static void __exit amdgpu_exit(void)
 	pci_unregister_driver(pdriver);
 	amdgpu_unregister_atpx_handler();
 	amdgpu_sync_fini();
-	drm_sched_fence_slab_fini();
 	amdgpu_fence_slab_fini();
 }
 
diff --git a/drivers/gpu/drm/scheduler/sched_fence.c b/drivers/gpu/drm/scheduler/sched_fence.c
index f6f2955890c4..69aab086b913 100644
--- a/drivers/gpu/drm/scheduler/sched_fence.c
+++ b/drivers/gpu/drm/scheduler/sched_fence.c
@@ -29,7 +29,7 @@
 
 static struct kmem_cache *sched_fence_slab;
 
-int drm_sched_fence_slab_init(void)
+static int __init drm_sched_fence_slab_init(void)
 {
 	sched_fence_slab = kmem_cache_create(
 		"drm_sched_fence", sizeof(struct drm_sched_fence), 0,
@@ -39,14 +39,12 @@ int drm_sched_fence_slab_init(void)
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(drm_sched_fence_slab_init);
 
-void drm_sched_fence_slab_fini(void)
+static void __exit drm_sched_fence_slab_fini(void)
 {
 	rcu_barrier();
 	kmem_cache_destroy(sched_fence_slab);
 }
-EXPORT_SYMBOL_GPL(drm_sched_fence_slab_fini);
 
 void drm_sched_fence_scheduled(struct drm_sched_fence *fence)
 {
@@ -185,3 +183,9 @@ struct drm_sched_fence *drm_sched_fence_create(struct drm_sched_entity *entity,
 
 	return fence;
 }
+
+module_init(drm_sched_fence_slab_init);
+module_exit(drm_sched_fence_slab_fini);
+
+MODULE_DESCRIPTION("DRM GPU scheduler");
+MODULE_LICENSE("GPL and additional rights");
diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h
index 870ce9a693d3..2e165093a789 100644
--- a/include/drm/gpu_scheduler.h
+++ b/include/drm/gpu_scheduler.h
@@ -149,9 +149,6 @@ void drm_sched_entity_push_job(struct drm_sched_job *sched_job);
 void drm_sched_entity_set_rq(struct drm_sched_entity *entity,
 			     struct drm_sched_rq *rq);
 
-int drm_sched_fence_slab_init(void);
-void drm_sched_fence_slab_fini(void);
-
 struct drm_sched_fence *drm_sched_fence_create(
 	struct drm_sched_entity *s_entity, void *owner);
 void drm_sched_fence_scheduled(struct drm_sched_fence *fence);
-- 
2.11.0

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