From: Thierry Reding treding@nvidia.com
This is a simple wrapper that increments the reference count of the backing DMA fence.
Signed-off-by: Thierry Reding treding@nvidia.com --- drivers/gpu/drm/nouveau/nouveau_fence.c | 9 +++++++++ drivers/gpu/drm/nouveau/nouveau_fence.h | 1 + 2 files changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c index 8e7550553584..8530c2684832 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fence.c +++ b/drivers/gpu/drm/nouveau/nouveau_fence.c @@ -363,6 +363,15 @@ nouveau_fence_sync(struct dma_fence *fence, struct nouveau_channel *chan, return ret; }
+struct nouveau_fence * +nouveau_fence_ref(struct nouveau_fence *fence) +{ + if (fence) + dma_fence_get(&fence->base); + + return fence; +} + void nouveau_fence_unref(struct nouveau_fence **pfence) { diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.h b/drivers/gpu/drm/nouveau/nouveau_fence.h index 76cbf0c27a30..b8afd4b06445 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fence.h +++ b/drivers/gpu/drm/nouveau/nouveau_fence.h @@ -19,6 +19,7 @@ struct nouveau_fence {
int nouveau_fence_new(struct nouveau_channel *, bool sysmem, struct nouveau_fence **); +struct nouveau_fence *nouveau_fence_ref(struct nouveau_fence *); void nouveau_fence_unref(struct nouveau_fence **);
int nouveau_fence_emit(struct nouveau_fence *, struct nouveau_channel *);