diff --git a/common.mk b/common.mk
index 464f296..183ee99 100644
--- a/common.mk
+++ b/common.mk
@@ -29,6 +29,10 @@
     common_flags += -DVENUS_COLOR_FORMAT
 endif
 
+ifeq ($(call is-board-platform-in-list, $(MASTER_SIDE_CP_TARGET_LIST)), true)
+    common_flags += -DMASTER_SIDE_CP
+endif
+
 common_deps  :=
 kernel_includes :=
 
diff --git a/libgralloc/alloc_controller.cpp b/libgralloc/alloc_controller.cpp
index b8e6a64..c052ffb 100644
--- a/libgralloc/alloc_controller.cpp
+++ b/libgralloc/alloc_controller.cpp
@@ -49,17 +49,28 @@
 
 #define ASTC_BLOCK_SIZE 16
 
-#ifdef ION_FLAG_CP_PIXEL
-#define CP_HEAP_ID ION_SECURE_HEAP_ID
-#else
+#ifndef ION_FLAG_CP_PIXEL
 #define ION_FLAG_CP_PIXEL 0
-#define CP_HEAP_ID ION_CP_MM_HEAP_ID
 #endif
 
 #ifndef ION_FLAG_ALLOW_NON_CONTIG
 #define ION_FLAG_ALLOW_NON_CONTIG 0
 #endif
 
+#ifdef MASTER_SIDE_CP
+#define CP_HEAP_ID ION_SECURE_HEAP_ID
+/* Please Add the new SD ION Heap here */
+#define SD_HEAP_ID 0
+#define ION_CP_FLAGS (ION_SECURE | ION_FLAG_CP_PIXEL)
+/* Please Add the new SD ION Flag here */
+#define ION_SD_FLAGS ION_SECURE
+#else // SLAVE_SIDE_CP
+#define CP_HEAP_ID ION_CP_MM_HEAP_ID
+#define SD_HEAP_ID CP_HEAP_ID
+#define ION_CP_FLAGS (ION_SECURE | ION_FLAG_ALLOW_NON_CONTIG)
+#define ION_SD_FLAGS ION_SECURE
+#endif
+
 using namespace gralloc;
 using namespace qdutils;
 
@@ -347,21 +358,16 @@
 
     if(usage & GRALLOC_USAGE_PROTECTED) {
         if (usage & GRALLOC_USAGE_PRIVATE_MM_HEAP) {
-            ionHeapId = ION_HEAP(CP_HEAP_ID);
-            ionFlags |= ION_SECURE;
             if (usage & GRALLOC_USAGE_PRIVATE_SECURE_DISPLAY) {
+                ionHeapId = ION_HEAP(SD_HEAP_ID);
                 /*
                  * There is currently no flag in ION for Secure Display
-                 * VM. Please add it here once available.
-                 *
-                   ionFlags |= <Ion flag for Secure Display>;
+                 * VM. Please add it to the define once available.
                 */
+                ionFlags |= ION_SD_FLAGS;
             } else {
-                ionFlags |= ION_FLAG_CP_PIXEL;
-            }
-
-            if (!(usage & GRALLOC_USAGE_PRIVATE_SECURE_DISPLAY)) {
-                ionFlags |= ION_FLAG_ALLOW_NON_CONTIG;
+                ionHeapId = ION_HEAP(CP_HEAP_ID);
+                ionFlags |= ION_CP_FLAGS;
             }
         } else {
             // for targets/OEMs which do not need HW level protection
diff --git a/libgralloc/gpu.cpp b/libgralloc/gpu.cpp
index 53363bb..0697047 100644
--- a/libgralloc/gpu.cpp
+++ b/libgralloc/gpu.cpp
@@ -34,7 +34,7 @@
 #define SZ_1M 0x100000
 #define SZ_4K 0x1000
 
-#ifdef ION_FLAG_CP_PIXEL
+#ifdef MASTER_SIDE_CP
 #define SECURE_ALIGN SZ_4K
 #else
 #define SECURE_ALIGN SZ_1M