diff --git a/arch/arm/mach-msm/board-8930-display.c b/arch/arm/mach-msm/board-8930-display.c
index e179e84..afd79f4 100644
--- a/arch/arm/mach-msm/board-8930-display.c
+++ b/arch/arm/mach-msm/board-8930-display.c
@@ -22,6 +22,9 @@
 #include <mach/gpio.h>
 #include <mach/gpiomux.h>
 #include <mach/socinfo.h>
+#include <linux/ion.h>
+#include <mach/ion.h>
+
 #include "devices.h"
 
 /* TODO: Remove this once PM8038 physically becomes
@@ -435,11 +438,23 @@
 	.mdp_bus_scale_table = &mdp_bus_scale_pdata,
 #endif
 	.mdp_rev = MDP_REV_42,
+#ifdef CONFIG_MSM_MULTIMEDIA_USE_ION
+	.mem_hid = ION_CP_MM_HEAP_ID,
+#else
+	.mem_hid = MEMTYPE_EBI1,
+#endif
 };
 
 void __init msm8930_mdp_writeback(struct memtype_reserve* reserve_table)
 {
-
+	mdp_pdata.ov0_wb_size = MSM_FB_OVERLAY0_WRITEBACK_SIZE;
+	mdp_pdata.ov1_wb_size = MSM_FB_OVERLAY1_WRITEBACK_SIZE;
+#if defined(CONFIG_ANDROID_PMEM) && !defined(CONFIG_MSM_MULTIMEDIA_USE_ION)
+	reserve_table[mdp_pdata.mem_hid].size +=
+		mdp_pdata.ov0_wb_size;
+	reserve_table[mdp_pdata.mem_hid].size +=
+		mdp_pdata.ov1_wb_size;
+#endif
 }
 
 #define LPM_CHANNEL0 0
diff --git a/arch/arm/mach-msm/board-8960-display.c b/arch/arm/mach-msm/board-8960-display.c
index 77040d9..69519f0 100644
--- a/arch/arm/mach-msm/board-8960-display.c
+++ b/arch/arm/mach-msm/board-8960-display.c
@@ -21,6 +21,9 @@
 #include <mach/board.h>
 #include <mach/gpio.h>
 #include <mach/gpiomux.h>
+#include <linux/ion.h>
+#include <mach/ion.h>
+
 #include "devices.h"
 #include "board-8960.h"
 
@@ -550,11 +553,23 @@
 	.mdp_bus_scale_table = &mdp_bus_scale_pdata,
 #endif
 	.mdp_rev = MDP_REV_42,
+#ifdef CONFIG_MSM_MULTIMEDIA_USE_ION
+	.mem_hid = ION_CP_MM_HEAP_ID,
+#else
+	.mem_hid = MEMTYPE_EBI1,
+#endif
 };
 
 void __init msm8960_mdp_writeback(struct memtype_reserve* reserve_table)
 {
-
+	mdp_pdata.ov0_wb_size = MSM_FB_OVERLAY0_WRITEBACK_SIZE;
+	mdp_pdata.ov1_wb_size = MSM_FB_OVERLAY1_WRITEBACK_SIZE;
+#if defined(CONFIG_ANDROID_PMEM) && !defined(CONFIG_MSM_MULTIMEDIA_USE_ION)
+	reserve_table[mdp_pdata.mem_hid].size +=
+		mdp_pdata.ov0_wb_size;
+	reserve_table[mdp_pdata.mem_hid].size +=
+		mdp_pdata.ov1_wb_size;
+#endif
 }
 
 static struct platform_device mipi_dsi_renesas_panel_device = {
diff --git a/arch/arm/mach-msm/board-msm8x60.c b/arch/arm/mach-msm/board-msm8x60.c
index ca0ace5..d0fe8f9 100644
--- a/arch/arm/mach-msm/board-msm8x60.c
+++ b/arch/arm/mach-msm/board-msm8x60.c
@@ -9445,11 +9445,23 @@
 	.mdp_bus_scale_table = &mdp_bus_scale_pdata,
 #endif
 	.mdp_rev = MDP_REV_41,
+#ifdef CONFIG_MSM_MULTIMEDIA_USE_ION
+	.mem_hid = ION_CP_WB_HEAP_ID,
+#else
+	.mem_hid = MEMTYPE_EBI1,
+#endif
 };
 
 static void __init reserve_mdp_memory(void)
 {
-
+	mdp_pdata.ov0_wb_size = MSM_FB_OVERLAY0_WRITEBACK_SIZE;
+	mdp_pdata.ov1_wb_size = MSM_FB_OVERLAY1_WRITEBACK_SIZE;
+#if defined(CONFIG_ANDROID_PMEM) && !defined(CONFIG_MSM_MULTIMEDIA_USE_ION)
+	msm8x60_reserve_table[mdp_pdata.mem_hid].size +=
+		mdp_pdata.ov0_wb_size;
+	msm8x60_reserve_table[mdp_pdata.mem_hid].size +=
+		mdp_pdata.ov1_wb_size;
+#endif
 }
 
 #ifdef CONFIG_FB_MSM_TVOUT
diff --git a/arch/arm/mach-msm/include/mach/board.h b/arch/arm/mach-msm/include/mach/board.h
index 3de477f..e598367 100644
--- a/arch/arm/mach-msm/include/mach/board.h
+++ b/arch/arm/mach-msm/include/mach/board.h
@@ -316,6 +316,9 @@
 	struct msm_bus_scale_pdata *mdp_bus_scale_table;
 #endif
 	int mdp_rev;
+	u32 ov0_wb_size;  /* overlay0 writeback size */
+	u32 ov1_wb_size;  /* overlay1 writeback size */
+	u32 mem_hid;
 };