diff --git a/lichee/linux-4.9/drivers/video/fbdev/sunxi/disp2/disp/de/disp_lcd.c b/lichee/linux-4.9/drivers/video/fbdev/sunxi/disp2/disp/de/disp_lcd.c
index faf3537b8..eb583e4d1 100644
--- a/lichee/linux-4.9/drivers/video/fbdev/sunxi/disp2/disp/de/disp_lcd.c
+++ b/lichee/linux-4.9/drivers/video/fbdev/sunxi/disp2/disp/de/disp_lcd.c
@@ -88,8 +88,10 @@ static int panel_timing_init(int disp, int lcd_index,
 STARTUP_START_PWM_VALUE _/
 */
 
-#define WEIGHT_ADDR 0x4307F000 // 权重加载的内存地址处
+#ifndef CONFIG_MEM_OPERATION
+#define WEIGHT_ADDR 0x4304B000 // 权重加载的内存地址处
 #define M_PAGE_SIZE (4 * 1024) // 内存对齐，应该是4K
+#endif
 
 typedef enum {
     HAS_APP_WAKEUP_SOURCE_NONE,
@@ -115,6 +117,11 @@ static has_startup_bl_t startup_bl = {
 	.timer_flag = 0,
 	.timer.data = 0,
 };
+
+#if defined(CONFIG_MEM_OPERATION)
+extern unsigned char mem_get_wakeup_source(void);
+#endif
+
 #endif
 static int disp_check_timing_param(struct disp_panel_para *panel)
 {
@@ -1314,7 +1321,9 @@ static s32 disp_lcd_backlight_enable(struct disp_device *lcd)
 	unsigned long flags;
 
 #if defined(CONFIG_DISP2_HAS_SUPPORT_FRONT_WKSRCBL) || defined(CONFIG_DISP2_HAS_SUPPORT_BACK_WKSRCBL)
+#ifndef CONFIG_MEM_OPERATION
 	void __iomem *vaddr = NULL;
+#endif
 	unsigned char wakeupsource = 0;
 #endif
 	if ((lcd == NULL) || (lcdp == NULL)) {
@@ -1354,12 +1363,16 @@ static s32 disp_lcd_backlight_enable(struct disp_device *lcd)
 			    disp_sys_gpio_request(gpio_info, 1);
 		}
 #if defined(CONFIG_DISP2_HAS_SUPPORT_FRONT_WKSRCBL) || defined(CONFIG_DISP2_HAS_SUPPORT_BACK_WKSRCBL)
+#if defined(CONFIG_MEM_OPERATION)
+		wakeupsource = mem_get_wakeup_source();
+#else
 		vaddr = memremap(WEIGHT_ADDR, M_PAGE_SIZE, MEMREMAP_WB);
 		if (vaddr)
 		{
 			wakeupsource = readb(vaddr);
 			memunmap(vaddr);
 		}
+#endif
 
 		if ((wakeupsource != HAS_APP_WAKEUP_SOURCE_BACK_PANEL) && (wakeupsource != HAS_APP_WAKEUP_SOURCE_NONE))
 		{