Waveshare display on Android

Discussion in 'UDOO NEO' started by Aja, Oct 22, 2019.

  1. Aja

    Aja UDOOer

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    Dear All,
    Recently bought a Udoo Neo Full device.
    1. I was able to download, compile and generate Android 6 ROM for it.
    2. Android is able to initialise and use the display in case of an external monitor connected to HDMI port of UNeo.
    3. It does not work consistently with an HDMI panel like the Waveshare (WS) (7" or 5") which is commonly available, and sometimes works only when:
    * It has been connected to external HDMI monitor and then connected to WS Display
    * Or after a long gap has been connected to the Neo.
    4. I tried changing and compiling the imx6sx-udoo-neo-hdmi.dtsi with various hdmi timings even from the WS site and others from the internet, yet the display is garbled.

    WS 7" display: 1024x600
    5" display: 800x480

    It would be great if anybody could shed more light on this or how to debug this.

    TIA,
    Aj
     

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