diff --git a/arch/arm/mach-rk29/board-rk29-ddr3sdk.c b/arch/arm/mach-rk29/board-rk29-ddr3sdk.c
index b74587b1aeb3..b385a7df0bb1 100755
--- a/arch/arm/mach-rk29/board-rk29-ddr3sdk.c
+++ b/arch/arm/mach-rk29/board-rk29-ddr3sdk.c
@@ -101,7 +101,7 @@
 #define SDRAM_SIZE          SZ_512M
 #endif
 #define PMEM_GPU_SIZE       SZ_64M
-#define PMEM_UI_SIZE        SZ_32M
+#define PMEM_UI_SIZE        (48 * SZ_1M) /* 1280x800: 64M 1024x768: 48M ... */
 #define PMEM_VPU_SIZE       SZ_64M
 #define PMEM_SKYPE_SIZE     0
 #define PMEM_CAM_SIZE       PMEM_CAM_NECESSARY
diff --git a/arch/arm/mach-rk29/board-rk29sdk.c b/arch/arm/mach-rk29/board-rk29sdk.c
index 9d5332c75d7b..f2339f06cea2 100644
--- a/arch/arm/mach-rk29/board-rk29sdk.c
+++ b/arch/arm/mach-rk29/board-rk29sdk.c
@@ -99,7 +99,7 @@
 #define SDRAM_SIZE          SZ_512M
 #endif
 #define PMEM_GPU_SIZE       SZ_64M
-#define PMEM_UI_SIZE        SZ_32M
+#define PMEM_UI_SIZE        (48 * SZ_1M) /* 1280x800: 64M 1024x768: 48M ... */
 #define PMEM_VPU_SIZE       SZ_64M
 #define PMEM_CAM_SIZE       PMEM_CAM_NECESSARY
 #ifdef CONFIG_VIDEO_RK29_WORK_IPP