LCD_SPU_ADV_REG
dcrtc->base + LCD_SPU_ADV_REG);
val = readl_relaxed(base + LCD_SPU_ADV_REG);
writel_relaxed(val, base + LCD_SPU_ADV_REG);
ADV_VSYNCOFFEN, LCD_SPU_ADV_REG);
ADV_VIDCOLORKEY, LCD_SPU_ADV_REG);