I am trying to connect a displayport output using the USB-C Alt mode. I have a USB-C to Displayport adapter and then a DP to mDP cable going to a 2 panel display but only one is displaying an image. 2880x1600 90Hz
The output of xrandr shows the display is connected and lists the expected resolution as selected.
I’ve also tried a USB-C to mDP cable and both displays will flicker but have an image displayed. Both cables are 2 m, so I am looking to find a 1m version to try as well.
Has anyone driven high refresh high resolution displays successfully?