LVDS 闪屏,黑屏有背光

应用页面切换和下拉状态栏闪屏

lcd_dclk_freq Pixel Clock Frequency

lcd_dclk_freq   =148 闪屏；
降低到108后就不闪屏了
lcd_dclk_freq       = <108>;

把LVDS屏 从 android Q移植到R 上出现的问题会有logo显示，之后屏幕会按下去

...
    lcd_gpio_1 = <&pio PD 22 1 0 3 1>;
    lcd_bl_en = <&pio PB 8 1 0 3 1>;
...
android R上面这么改
    lcd_gpio_1 = <&pio PD 22 GPIO_ACTIVE_HIGH>;
    lcd_bl_en = <&pio PB 8 GPIO_ACTIVE_HIGH>;

从10移植到11出现休眠后power键无法点亮屏幕，是11上的管脚配置不对

image.png

    pinctrl-0 = <&lvds2link_pins_a>;
-   pinctrl-1 = <&lvds2link_pins_b>;
+   pinctrl-1 = <&lvds2link_pins_a>;

mipi屏IC 为 JD9365 10.1 initial setting-------------黑屏有背光
1.屏时序和初始化代码都对比了正常，也有图层信息;2.硬件查了也没有问题;
客户提供的屏初始化代码

.....
{0x6B,1,{0x08}},

{0x6C,1,{0x00}},
{0x6D,1,{0x00}},
{0x6E,1,{0x00}},
{0x6F,1,{0x88}},

{0x75,1,{0xFF}},
{0x77,1,{0xDD}},
{0x78,1,{0x3F}},
{0x79,1,{0x15}},
{0x7A,1,{0x17}},
{0x7D,1,{0x14}},
{0x7E,1,{0x82}},

{0xE0,1,{0x04}},
{0x00,1,{0x0E}},
{0x02,1,{0xB3}},
{0x09,1,{0x61}},
{0x0E,1,{0x48}},

{0xE0,1,{0x00}},
{0xE6,1,{0x02}},
{0xE7,1,{0x0C}},
{0x11,1,{0x00}},
{REGFLAG_DELAY,120

后来发现是在全志平台上需要添加下面部分代码才能够点亮屏幕

{0xE0,1,{0x04}},
+{0x37,1,{0x58}},
{0x00,1,{0x0E}},
{0x02,1,{0xB3}},
{0x09,1,{0x61}},
{0x0E,1,{0x48}},
{0xE0,1,{0x00}},
{0xE6,1,{0x02}},
{0xE7,1,{0x0C}},
{0x11,1,{0x00}},
{REGFLAG_DELAY,REGFLAG_DELAY,{120}},
+{0x29, 0, {0x00}},
+{REGFLAG_DELAY, REGFLAG_DELAY, {5}},
+{0x35, 1, {0x00}},
+{REGFLAG_END_OF_TABLE, REGFLAG_END_OF_TABLE, {}}