diff --git a/drivers/video/display/screen/lcd_nt35510.c b/drivers/video/display/screen/lcd_nt35510.c
index 4f9ac20928dc..cbd723309081 100755
--- a/drivers/video/display/screen/lcd_nt35510.c
+++ b/drivers/video/display/screen/lcd_nt35510.c
@@ -10,7 +10,7 @@
 #define OUT_TYPE		SCREEN_RGB
 #define OUT_FACE		OUT_P888
 #define OUT_CLK		26*1000*1000	//***27
-#define LCDC_ACLK       150000000     //29 lcdc axi DMA Ƶ��           //rk29
+#define LCDC_ACLK       300000000     //29 lcdc axi DMA Ƶ��           //rk29
 
 /* Timing */
 #define H_PW			4 //8Ç°ÏûÓ°