From 4983e48c8539282be15f660bdd2c4260467b1190 Mon Sep 17 00:00:00 2001 From: Lucas Stach Date: Wed, 6 Dec 2017 17:49:40 +0100 Subject: [PATCH] drm/sched: move fence slab handling to module init/exit MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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. Reviewed-by: Chunming Zhou Tested-by: Dieter Nützel Acked-by: Alex Deucher Signed-off-by: Lucas Stach Signed-off-by: Alex Deucher --- 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 1d8011b..51b7668 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -912,10 +912,6 @@ 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; @@ -928,9 +924,6 @@ 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(); @@ -944,7 +937,6 @@ 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 f6f2955..69aab086 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 d29da4c..dfd54fb 100644 --- a/include/drm/gpu_scheduler.h +++ b/include/drm/gpu_scheduler.h @@ -155,9 +155,6 @@ 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); -- 2.7.4