ldj003 发表于 2018-8-15 15:43

Ti-AM4378调试LCD请教

linux内核用的是4.1.6版本,调试LCD屏出现了一半正常一半条纹或闪屏。设备数那边按照手册设置相关参数,并从示波器调试过,时序没问题。查看各种博客,有人说是pixclock设置不对。请教下,该在哪里调试或者设置相关参数呢?如何修改LCD刷新率?设备数这边不太熟悉··············
&lcd0{
    panel-timing {
      clock-frequency = <52000000>;
      hactive = <1024>;
      vactive = <768>;
      hfront-porch = <60>;
      hback-porch = <20>;
      hsync-len = <10>;
      vfront-porch = <4>;
      vback-porch = <4>;
      vsync-len = <2>;
      hsync-active = <0>;
      vsync-active = <0>;
      de-active = <1>;
      pixelclk-active = <1>;
}

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