diff --git a/exynos4/hal/include/gralloc_priv.h b/exynos4/hal/include/gralloc_priv.h
index 8ffd1614..871a84f4 100644
--- a/exynos4/hal/include/gralloc_priv.h
+++ b/exynos4/hal/include/gralloc_priv.h
@@ -47,6 +47,17 @@
 
 #define GRALLOC_ARM_UMP_MODULE 1
 
+enum {
+    /* SEC Private usage , for HWC to set HDMI S3D format */
+    /* HDMI should display this buffer as S3D SBS LR/RL*/
+    GRALLOC_USAGE_PRIVATE_SBS_LR        = 0x00400000,
+    GRALLOC_USAGE_PRIVATE_SBS_RL        = 0x00200000,
+
+    /* HDMI should display this buffer as 3D TB LR/RL*/
+    GRALLOC_USAGE_PRIVATE_TB_LR         = 0x00100000,
+    GRALLOC_USAGE_PRIVATE_TB_RL         = 0x00080000,
+};
+
 struct private_handle_t;
 
 struct private_module_t {