diff --git a/gralloc/gralloc_priv.h b/gralloc/gralloc_priv.h
index 075a6e49..f9338d6c 100644
--- a/gralloc/gralloc_priv.h
+++ b/gralloc/gralloc_priv.h
@@ -83,6 +83,9 @@ inline int roundUpToPageSize(int x) {
 /* This flag indicates PI format is being used */
 #define GRALLOC_USAGE_PRIVATE_ALLOC_UBWC_PI 1ULL << 49
 
+/* This flag is set while CDSP accesses the buffer */
+#define GRALLOC_USAGE_PRIVATE_CDSP 1ULL << 50
+
 /* Legacy gralloc1 definitions */
 /* Some clients may still be using the old flags */
 #define GRALLOC1_PRODUCER_USAGE_PRIVATE_ADSP_HEAP GRALLOC_USAGE_PRIVATE_ADSP_HEAP