阿尔法linux开发板配的10寸屏只能显示不全

Zx1291

bits-per-pixel = <32>;
  bus-width = <24>;
  display-timings {
   native-mode = <&timing0>;
   timing0: timing0 {
   clock-frequency = <72000000>;
   hactive = <1280>;
   vactive = <800>;
   hfront-porch = <70>;
   hback-porch = <80>;
   hsync-len = <10>;
   vback-porch = <10>;
   vfront-porch = <10>;
   vsync-len = <3>;

zuozhongkai

这是linux用屏幕做终端显示就这样效果，要测试显示全不全，直接烧出厂系统测试