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标题: DSI配置为4K2K显示时不正常，无法全屏显示 [打印本页]

作者: kfeifei 时间: 2024-1-17 10:36
标题: DSI配置为4K2K显示时不正常，无法全屏显示
本帖最后由 kfeifei 于 2024-1-17 10:38 编辑

只是将roc-rk3588s-pc-mipi101-M101014-BE45-A1-v10.dtsi中DSI0配置为4K2K，显示图像不是全屏。
显示为一个低分辨率的小图，其他部分都是雪花点。
没有log；

修改前：
      disp_timings0: display-timings {
         native-mode = <&dsi_timing0>;
         dsi_timing0: timing0 {
            clock-frequency = <72600000>;//<80000000>;
            hactive = <800>;//<768>;
            vactive = <1280>;
            hsync-len = <14>; //20, 50,10
            hback-porch = <26>; //50, 56,10
            hfront-porch = <32>;//50, 30,180
            vsync-len = <8>;//4
            vback-porch = <20>;//4
            vfront-porch = <80>;//8
            hsync-active = <0>;
            vsync-active = <0>;
            de-active = <0>;
            pixelclk-active = <0>;
         };
      };

修改后：
      disp_timings0: display-timings {
         native-mode = <&dsi_timing0>;
         dsi_timing0: timing0 {
            //clock-frequency =  <594000000>;  //60fps
            clock-frequency =  <198000000>;  //20fps
            //clock-frequency =  <148500000>;  //15fps
            hactive = <3840>;
            vactive = <2160>;
            hfront-porch = <176>;
            hsync-len = <88>;
            hback-porch = <296>;
            vsync-len = <10>;
            vback-porch = <8>;
            vfront-porch = <72>;
            hsync-active = <0>;
            vsync-active = <0>;
            de-active = <0>;
            pixelclk-active = <0>;
         };
      };

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