[PATCH libdrm 6/7] wrap transfer interfaces

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Signed-off-by: Chunming Zhou <david1.zhou@xxxxxxx>
Acked-by: Christian König <christian.koenig@xxxxxxx>
---
 amdgpu/amdgpu.h    | 22 ++++++++++++++++++++++
 amdgpu/amdgpu_cs.c | 16 ++++++++++++++++
 2 files changed, 38 insertions(+)

diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h
index d2480dbe..9d9b0832 100644
--- a/amdgpu/amdgpu.h
+++ b/amdgpu/amdgpu.h
@@ -1685,6 +1685,28 @@ int amdgpu_cs_syncobj_import_sync_file2(amdgpu_device_handle dev,
 					uint32_t syncobj,
 					uint64_t point,
 					int sync_file_fd);
+
+/**
+ *  transfer between syncbojs.
+ *
+ * \param   dev		- \c [in] device handle
+ * \param   dst_handle	- \c [in] sync object handle
+ * \param   dst_point	- \c [in] timeline point, 0 presents dst is binary
+ * \param   src_handle	- \c [in] sync object handle
+ * \param   src_point	- \c [in] timeline point, 0 presents src is binary
+ * \param   flags	- \c [in] flags
+ *
+ * \return   0 on success\n
+ *          <0 - Negative POSIX Error code
+ *
+ */
+int amdgpu_cs_syncobj_transfer(amdgpu_device_handle dev,
+			       uint32_t dst_handle,
+			       uint64_t dst_point,
+			       uint32_t src_handle,
+			       uint64_t src_point,
+			       uint32_t flags);
+
 /**
  * Export an amdgpu fence as a handle (syncobj or fd).
  *
diff --git a/amdgpu/amdgpu_cs.c b/amdgpu/amdgpu_cs.c
index daca4421..977fa3cf 100644
--- a/amdgpu/amdgpu_cs.c
+++ b/amdgpu/amdgpu_cs.c
@@ -817,6 +817,22 @@ out:
 	return ret;
 }
 
+drm_public int amdgpu_cs_syncobj_transfer(amdgpu_device_handle dev,
+					  uint32_t dst_handle,
+					  uint64_t dst_point,
+					  uint32_t src_handle,
+					  uint64_t src_point,
+					  uint32_t flags)
+{
+	if (NULL == dev)
+		return -EINVAL;
+
+	return drmSyncobjTransfer(dev->fd,
+				  dst_handle, dst_point,
+				  src_handle, src_point,
+				  flags);
+}
+
 drm_public int amdgpu_cs_submit_raw(amdgpu_device_handle dev,
 				    amdgpu_context_handle context,
 				    amdgpu_bo_list_handle bo_list_handle,
-- 
2.17.1

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