diff --git a/osal/mpp_dmabuf.cpp b/osal/mpp_dmabuf.cpp
index 18f81709..8140a883 100644
--- a/osal/mpp_dmabuf.cpp
+++ b/osal/mpp_dmabuf.cpp
@@ -16,7 +16,7 @@
 #define MPP_NO_PARTIAL_SUPPORT  25  /* ENOTTY */
 #define CACHE_LINE_SIZE  64
 
-static RK_U32 has_partial_ops = 1;
+static RK_U32 has_partial_ops = 0;
 
 __attribute__ ((constructor))
 void mpp_dmabuf_init(void)