diff --git a/drivers/gpu/nvgpu/include/nvgpu/linux/os_fence_android.h b/drivers/gpu/nvgpu/include/nvgpu/linux/os_fence_android.h
index 55a7b9689..e1bcc07ce 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/linux/os_fence_android.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/linux/os_fence_android.h
@@ -29,6 +29,7 @@ void nvgpu_os_fence_android_drop_ref(struct nvgpu_os_fence *s);
 int nvgpu_os_fence_sema_fdget(struct nvgpu_os_fence *fence_out,
 	struct nvgpu_channel *c, int fd);
 
+void nvgpu_os_fence_android_dup(struct nvgpu_os_fence *s);
 int nvgpu_os_fence_android_install_fd(struct nvgpu_os_fence *s, int fd);
 
 int nvgpu_os_fence_syncpt_fdget(
diff --git a/drivers/gpu/nvgpu/include/nvgpu/linux/os_fence_dma.h b/drivers/gpu/nvgpu/include/nvgpu/linux/os_fence_dma.h
index 87bd3b507..0fd380310 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/linux/os_fence_dma.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/linux/os_fence_dma.h
@@ -30,6 +30,7 @@ int nvgpu_os_fence_sema_fdget(struct nvgpu_os_fence *fence_out,
 		struct nvgpu_channel *c, int fd);
 
 int nvgpu_os_fence_dma_install_fd(struct nvgpu_os_fence *s, int fd);
+void nvgpu_os_fence_dma_dup(struct nvgpu_os_fence *s);
 
 int nvgpu_os_fence_syncpt_fdget(struct nvgpu_os_fence *fence_out,
 		struct nvgpu_channel *c, int fd);
diff --git a/drivers/gpu/nvgpu/include/nvgpu/os_fence.h b/drivers/gpu/nvgpu/include/nvgpu/os_fence.h
index ae418589b..80a8b7c47 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/os_fence.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/os_fence.h
@@ -59,6 +59,12 @@ struct nvgpu_os_fence_ops {
 	 * implementation varies from OS to OS.
 	 */
 	int (*install_fence)(struct nvgpu_os_fence *s, int fd);
+	/*
+	 * Increment a refcount of the underlying sync object. After this the
+	 * struct nvgpu_os_fence object can be copied once. This call must be
+	 * matched with a drop_ref as usual.
+	 */
+	void (*dup)(struct nvgpu_os_fence *s);
 };
 
 /*
diff --git a/drivers/gpu/nvgpu/os/linux/os_fence_android.c b/drivers/gpu/nvgpu/os/linux/os_fence_android.c
index b8be84b38..70bba5c2a 100644
--- a/drivers/gpu/nvgpu/os/linux/os_fence_android.c
+++ b/drivers/gpu/nvgpu/os/linux/os_fence_android.c
@@ -49,6 +49,13 @@ int nvgpu_os_fence_android_install_fd(struct nvgpu_os_fence *s, int fd)
 	return 0;
 }
 
+void nvgpu_os_fence_android_dup(struct nvgpu_os_fence *s)
+{
+	struct sync_fence *fence = nvgpu_get_sync_fence(s);
+
+	sync_fence_get(fence);
+}
+
 int nvgpu_os_fence_fdget(struct nvgpu_os_fence *fence_out,
 	struct nvgpu_channel *c, int fd)
 {
diff --git a/drivers/gpu/nvgpu/os/linux/os_fence_android_sema.c b/drivers/gpu/nvgpu/os/linux/os_fence_android_sema.c
index 7e943e733..54b92fb76 100644
--- a/drivers/gpu/nvgpu/os/linux/os_fence_android_sema.c
+++ b/drivers/gpu/nvgpu/os/linux/os_fence_android_sema.c
@@ -33,6 +33,7 @@
 static const struct nvgpu_os_fence_ops sema_ops = {
 	.drop_ref = nvgpu_os_fence_android_drop_ref,
 	.install_fence = nvgpu_os_fence_android_install_fd,
+	.dup = nvgpu_os_fence_android_dup,
 };
 
 int nvgpu_os_fence_get_semas(struct nvgpu_os_fence_sema *fence_sema_out,
diff --git a/drivers/gpu/nvgpu/os/linux/os_fence_dma.c b/drivers/gpu/nvgpu/os/linux/os_fence_dma.c
index 17f9fe3d9..6ea5ef980 100644
--- a/drivers/gpu/nvgpu/os/linux/os_fence_dma.c
+++ b/drivers/gpu/nvgpu/os/linux/os_fence_dma.c
@@ -53,6 +53,13 @@ int nvgpu_os_fence_dma_install_fd(struct nvgpu_os_fence *s, int fd)
 	return 0;
 }
 
+void nvgpu_os_fence_dma_dup(struct nvgpu_os_fence *s)
+{
+	struct dma_fence *fence = nvgpu_get_dma_fence(s);
+
+	dma_fence_get(fence);
+}
+
 int nvgpu_os_fence_fdget(struct nvgpu_os_fence *fence_out,
 	struct nvgpu_channel *c, int fd)
 {
diff --git a/drivers/gpu/nvgpu/os/linux/os_fence_dma_sema.c b/drivers/gpu/nvgpu/os/linux/os_fence_dma_sema.c
index 71c86f3c5..8dd569002 100644
--- a/drivers/gpu/nvgpu/os/linux/os_fence_dma_sema.c
+++ b/drivers/gpu/nvgpu/os/linux/os_fence_dma_sema.c
@@ -29,6 +29,7 @@
 static const struct nvgpu_os_fence_ops sema_ops = {
 	.drop_ref = nvgpu_os_fence_dma_drop_ref,
 	.install_fence = nvgpu_os_fence_dma_install_fd,
+	.dup = nvgpu_os_fence_dma_dup,
 };
 
 int nvgpu_os_fence_get_semas(struct nvgpu_os_fence_sema *fence_sema_out,
diff --git a/drivers/gpu/nvgpu/os/linux/os_fence_syncpt.c b/drivers/gpu/nvgpu/os/linux/os_fence_syncpt.c
index 2bac0b200..4338b5bea 100644
--- a/drivers/gpu/nvgpu/os/linux/os_fence_syncpt.c
+++ b/drivers/gpu/nvgpu/os/linux/os_fence_syncpt.c
@@ -44,9 +44,15 @@ static void nvgpu_os_fence_syncpt_drop_ref(struct nvgpu_os_fence *s)
 	nvgpu_os_fence_clear(s);
 }
 
+static void nvgpu_os_fence_syncpt_dup(struct nvgpu_os_fence *s)
+{
+	nvhost_fence_dup(s->priv);
+}
+
 static const struct nvgpu_os_fence_ops syncpt_ops = {
 	.drop_ref = nvgpu_os_fence_syncpt_drop_ref,
 	.install_fence = nvgpu_os_fence_syncpt_install_fd,
+	.dup = nvgpu_os_fence_syncpt_dup,
 };
 
 int nvgpu_os_fence_syncpt_create(struct nvgpu_os_fence *fence_out,