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Commit 5d216f60 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau: allow nouveau_fence_ref() to be a noop 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 0bae1d61

drivers/gpu/drm/nouveau/nouveau_bo.c

+3 −10
Original line number Diff line number Diff line
@@ -98,12 +98,7 @@ nv10_bo_put_tile_region(struct drm_device *dev, struct nouveau_drm_tile *tile, 


	if (tile) {

		spin_lock(&drm->tile.lock);

		if (fence) {

			/* Mark it as pending. */

			tile->fence = fence;

			nouveau_fence_ref(fence);

		}



		tile->fence = nouveau_fence_ref(fence);

		tile->used = false;

		spin_unlock(&drm->tile.lock);

	}
@@ -1462,14 +1457,12 @@ nouveau_ttm_tt_unpopulate(struct ttm_tt *ttm) 
void

nouveau_bo_fence(struct nouveau_bo *nvbo, struct nouveau_fence *fence)

{

	struct nouveau_fence *new_fence = nouveau_fence_ref(fence);

	struct nouveau_fence *old_fence = NULL;



	if (likely(fence))

		nouveau_fence_ref(fence);



	spin_lock(&nvbo->bo.bdev->fence_lock);

	old_fence = nvbo->bo.sync_obj;

	nvbo->bo.sync_obj = fence;

	nvbo->bo.sync_obj = new_fence;

	spin_unlock(&nvbo->bo.bdev->fence_lock);



	nouveau_fence_unref(&old_fence);

drivers/gpu/drm/nouveau/nouveau_fence.c

+2 −1
Original line number Diff line number Diff line
@@ -306,6 +306,7 @@ nouveau_fence_unref(struct nouveau_fence **pfence) 
struct nouveau_fence *

nouveau_fence_ref(struct nouveau_fence *fence)

{

	if (fence)

		kref_get(&fence->kref);

	return fence;

}

drivers/gpu/drm/nouveau/nouveau_gem.c

+2 −4
Original line number Diff line number Diff line
@@ -106,7 +106,6 @@ nouveau_gem_object_unmap(struct nouveau_bo *nvbo, struct nouveau_vma *vma) 


	if (mapped) {

		spin_lock(&nvbo->bo.bdev->fence_lock);

		if (nvbo->bo.sync_obj)

		fence = nouveau_fence_ref(nvbo->bo.sync_obj);

		spin_unlock(&nvbo->bo.bdev->fence_lock);

	}
@@ -438,7 +437,6 @@ validate_sync(struct nouveau_channel *chan, struct nouveau_bo *nvbo) 
	int ret = 0;



	spin_lock(&nvbo->bo.bdev->fence_lock);

	if (nvbo->bo.sync_obj)

	fence = nouveau_fence_ref(nvbo->bo.sync_obj);

	spin_unlock(&nvbo->bo.bdev->fence_lock);