From: Thierry Reding <treding@xxxxxxxxxx>
This is a simple wrapper that increments the reference count of the
backing DMA fence.
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
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 *);
--
2.28.0
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