Re: FreeBSD/X11: Howto revive DisplayPort?

On 2025-11-26 22:31, Lars Tunkrans wrote:
> HI
>
>    Yes I  have  same experience.
>
>    I beleive its because the  DDC/ EDID   info sent from screen over  
> the  connection cable
>    is  lost  if  the  KVM  and screen is not connected to the computer 
> at start up.
>     If I make sure that  the screen is attached to  the computer when 
> the computer powers up
>      a  Usable resoultion/timing is selected by the graphics card.
>

I don't think that this is limited to DP either.

I use a ugreen 4port HDMI KVM for Mac mini/workstation/old workstation/R 
Pi. Sometimes if I boot a device and forget to switch the KVM to the 
correct port then I get a black screen and have to ssh to whatever to 
reboot it.

A+

Paul