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"PHY PLL not locked" when connecting display

JohnCHarris
in Odroid M1

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On my Odroid M1 I have a display that will not work, other displays do work. Unfortunately, I need this display to work.

 

When I plug it in, I see "PHY PLL not locked" in dmesg.

 

If I boot with it plugged in, I see the Hard Kernel logo, then the screen turns off as Armbian boots.

 

I booted into the Ubuntu 20.04 Gnome image provided by HardKernel and that one works.

 

1. What could I change to allow this display to be detected?

 

2. Can I just force the board to boot with output to 1024x768@60. I just need the output.

 

Thanks all.

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