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| author | Ben Skeggs <bskeggs@redhat.com> | 2013-11-13 04:23:46 +0400 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2013-11-14 08:55:06 +0400 |
| commit | 5d216f6013d54a6085d5e499407aec6d67e79990 (patch) | |
| tree | 472870c1928b1533644b8b3e44e5517d0bdc44fa | |
| parent | 0bae1d61c7512580f1622a880d82164c9534fce3 (diff) | |
| download | linux-5d216f6013d54a6085d5e499407aec6d67e79990.tar.xz | |
drm/nouveau: allow nouveau_fence_ref() to be a noop
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bo.c | 13 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_fence.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_gem.c | 6 |
3 files changed, 7 insertions, 15 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 949ab0cbc4ab..129aceed407d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -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); diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c index 34b82711e7c8..40cf52e6d6d2 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fence.c +++ b/drivers/gpu/drm/nouveau/nouveau_fence.c @@ -306,7 +306,8 @@ nouveau_fence_unref(struct nouveau_fence **pfence) struct nouveau_fence * nouveau_fence_ref(struct nouveau_fence *fence) { - kref_get(&fence->kref); + if (fence) + kref_get(&fence->kref); return fence; } diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c index 418a6177a653..c60f65a815d3 100644 --- a/drivers/gpu/drm/nouveau/nouveau_gem.c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -106,8 +106,7 @@ 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); + fence = nouveau_fence_ref(nvbo->bo.sync_obj); spin_unlock(&nvbo->bo.bdev->fence_lock); } @@ -438,8 +437,7 @@ 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); + fence = nouveau_fence_ref(nvbo->bo.sync_obj); spin_unlock(&nvbo->bo.bdev->fence_lock); if (fence) { |