diff --git a/firmware/target/arm/rk27xx/lcd-hifiman.c b/firmware/target/arm/rk27xx/lcd-hifiman.c
index d98ed5a..0eeec82 100644
--- a/firmware/target/arm/rk27xx/lcd-hifiman.c
+++ b/firmware/target/arm/rk27xx/lcd-hifiman.c
@@ -112,6 +112,7 @@ void lcd_init_device(void)
 {
     lcdif_init(LCDIF_16BIT);
     lcd_display_init();
+    memset(&LCD_BUFF, 0x00, 2048*4);
 }

 void lcd_enable (bool on)
@@ -153,22 +154,78 @@ bool lcd_active()
     return display_on;
 }


 void lcd_update_rect(int x, int y, int width, int height)
 {
-    int px = x, py = y;
+    int px = x, py = y,offs=0;
     int pxmax = x + width, pymax = y + height;
-
-    lcd_write_reg(0x03, y);
-    lcd_write_reg(0x05, pymax-1);
-    lcd_write_reg(0x07, x);
-    lcd_write_reg(0x09, pxmax-1);
+    lcdctrl_bypass(1);
+    lcd_write_reg(0x02, 0x00);
+    lcd_write_reg(0x03, 0x00);
+    lcd_write_reg(0x04, 0x00);
+    lcd_write_reg(0x05, LCD_HEIGHT - 1);
+    lcd_write_reg(0x06, 0x00);
+    lcd_write_reg(0x07, 0x00);
+    lcd_write_reg(0x08, 0x00);
+    lcd_write_reg(0x09, LCD_WIDTH - 1);

     lcd_cmd(0x22);

-    for (px=x; px<pxmax; px++)
+    lcdctrl_bypass(0);
+    while (!(LCDC_STA & LCDC_MCU_IDLE));
+    for (px = 0; px < LCD_WIDTH; px++) {
+        for (py=0; py < LCD_HEIGHT; py+=2) {
+            *(&LCD_BUFF + offs) = (unsigned long)*FBADDR(px, py)|(((unsigned long)*FBADDR(px, py+1))<<16);
+            offs = (offs+1)%(1022/2);
+            if (offs == 0) {
+                MCU_CTRL=(1<<1)|(1<<2)|(1<<5);
+                while (!(LCDC_STA & LCDC_MCU_IDLE));
+            }
+        }
+    }
+    if (offs != 0) {
+        for (px = 0; px < LCD_WIDTH; px++) {
+            for (py=0; py < LCD_HEIGHT; py+=2) {
+                *(&LCD_BUFF + offs) = (unsigned long)*FBADDR(px, py)|(((unsigned long)*FBADDR(px, py+1))<<16);
+                offs = (offs+1)%(1022/2);
+                if (offs == 0) {
+                    MCU_CTRL=(1<<1)|(1<<2)|(1<<5);
+                    return;
+                }
+            }
+        }
+    }
 }

 /* Blit a YUV bitmap directly to the LCD */
diff --git a/firmware/target/arm/rk27xx/lcdif-rk27xx.c b/firmware/target/arm/rk27xx/lcdif-rk27xx.c
index affc49b..3bfe342 100644
--- a/firmware/target/arm/rk27xx/lcdif-rk27xx.c
+++ b/firmware/target/arm/rk27xx/lcdif-rk27xx.c
@@ -30,6 +30,7 @@
 unsigned int lcd_data_transform(unsigned int data)
 {
     unsigned int r, g, b;
+    return data;

 #if defined(RK27_GENERIC)
     /* 18 bit interface */
@@ -65,7 +66,7 @@ void lcd_write_reg(unsigned int reg, unsigned int val)
     lcd_data(val);
 }

-static void lcdctrl_bypass(unsigned int on_off)
+void lcdctrl_bypass(unsigned int on_off)
 {
     while (!(LCDC_STA & LCDC_MCU_IDLE));

@@ -86,23 +87,36 @@ static void lcdctrl_init(void)
      * MCU mode
      * 24b RGB
      */
-    LCDC_CTRL = ALPHA(7) | LCDC_STOP | LCDC_MCU | RGB24B;
+    LCDC_CTRL = ALPHA(7) | LCDC_STOP | LCDC_MCU;// | RGB24B;
     MCU_CTRL = ALPHA_BASE(0x3f) | MCU_CTRL_BYPASS;

-    HOR_ACT = LCD_WIDTH + 3;    /* define horizonatal active region */
-    VERT_ACT = LCD_HEIGHT;       /* define vertical active region */
-    VERT_PERIOD = 0xfff;  /* CSn/WEn/RDn signal timings */
+    HOR_BP = 1;
+    VERT_BP = 1;
+    HOR_ACT = LCD_HEIGHT;    /* define horizonatal active region */
+    VERT_ACT = LCD_WIDTH;       /* define vertical active region */
+    VERT_PERIOD = (7<<7)|(7<<3)|7;//0xfff;  /* CSn/WEn/RDn signal timings */

-    LINE0_YADDR = LINE_ALPHA_EN | 0x7fe;
-    LINE1_YADDR = LINE_ALPHA_EN | ((1 * LCD_WIDTH) - 2);
-    LINE2_YADDR = LINE_ALPHA_EN | ((2 * LCD_WIDTH) - 2);
-    LINE3_YADDR = LINE_ALPHA_EN | ((3 * LCD_WIDTH) - 2);
+    LINE0_YADDR = 0;
+    LINE1_YADDR = (1 * LCD_HEIGHT);
+    LINE2_YADDR = (2 * LCD_HEIGHT);
+    LINE3_YADDR = (3 * LCD_HEIGHT);

-    LINE0_UVADDR = 0x7fe + 1;
-    LINE1_UVADDR = ((1 * LCD_WIDTH) - 2 + 1);
-    LINE2_UVADDR = ((2 * LCD_WIDTH) - 2 + 1);
-    LINE3_UVADDR = ((3 * LCD_WIDTH) - 2 + 1);
+    LINE0_UVADDR = 1;
+    LINE1_UVADDR = (1 * LCD_HEIGHT) + 1;
+    LINE2_UVADDR = (2 * LCD_HEIGHT) + 1;
+    LINE3_UVADDR = (3 * LCD_HEIGHT) + 1;

+    /**/
+    /*    LINE0_YADDR = 0x7fe;
+    LINE1_YADDR = ((1 * LCD_HEIGHT) -2);
+    LINE2_YADDR = ((2 * LCD_HEIGHT) -2);
+    LINE3_YADDR = ((3 * LCD_HEIGHT) -2);
+
+    LINE0_UVADDR = 0x7fe + 1;
+    LINE1_UVADDR = ((1 * LCD_HEIGHT) -2+ 1);
+    LINE2_UVADDR = ((2 * LCD_HEIGHT) -2+ 1);
+    LINE3_UVADDR = ((3 * LCD_HEIGHT) -2+ 1);
+    */
 #if 0
     LINE0_YADDR = 0;
     LINE1_YADDR = (1 * LCD_WIDTH);