|
|
Firefly-RK3288 Android 5.1支持4K HDMI显示
发表于 2016-6-23 15:44:34
浏览：46009
|
回复：31
打印
[复制链接]
楼主
本帖最后由 zhansb 于 2016-6-29 10:38 编辑
Firefly-RK3288 5.1 SDK默认支持双屏显示，但没有支持4K HDMI显示，如果需要4K的时候怎么办呢,单独打开VOP（即LCDC0）、关闭RGB2HDMI就行。
具体操作方式为在arch/arm/boot/dts/firefly-rk3288.dts（reload为arch/arm/boot/dts/firefly-rk3288-reload.dts）关闭LCDC1,确保LCDC0打开并且为PRMRY，如下：
index 59f363e..eccf5b1 100644
--- a/kernel/arch/arm/boot/dts/firefly-rk3288-reload.dts
+++ b/kernel/arch/arm/boot/dts/firefly-rk3288-reload.dts
@@ -187,7 +187,7 @@
hpd-gpio = <&gpio4 GPIO_D3 GPIO_ACTIVE_HIGH>;
rockchip,source = <0>; //0: LCDC0; 1: LCDC1
rockchip,prop = <PRMRY>;//<PRMRY>;//<EXTEND>
- status = "okay";
+ status = "disabled";
};
};
@@ -577,7 +577,7 @@
};
&lcdc1 {
- status = "okay";
+ status = "disabled";
rockchip,iommu-enabled = <1>;
rockchip,prop = <EXTEND>;
};
@@ -587,6 +587,7 @@
rockchip,cec_enable = <0>;
rockchip,hdcp_enable = <0>;
rockchip,hdmi_audio_source = <1>;
+ rockchip,hdmi_video_source = <DISPLAY_SOURCE_LCDC0>;
};
firefly-rk3288-reload.tar.gz
(30 KB, 下载次数: 387)
|
|
