How to configure 'Video input from DVO' on OpenBMC?

[Mark Chuang]

Hi,
Ast2500 support 3 paths
 1. Video output
 2. Graphics CRT output
 3. Video input from DVO

I have a project which needs to use 'Video input from DVO'.
I try to set pinctrl VPI24 and set SCU2C[17:16]=10, but KVM still is no
display.
Is there an example to configure this function for me to refer to?

Regards,
Mark
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