DisplayPort output of ADRV9009 SOM (adrv9009-zu11eg)

I have the ADRV9009 SOM, and can boot up and run IIOscope remotely.  However, I'd also like to use the DisplayPort video output.  I've connected a monitor, and USBC keyboard/mouse.  I've also run these commands, per  https://wiki.analog.com/resources/eval/user-guides/ad-fmcomms2-ebz/software/linux/zynqmp#displayport_-_no_picture

My output matches what is expected from that link above:

I then restarted the ADRV9009-ZU11EG board, but I still do not see anything on the monitor.  I am running this version of 

http://swdownloads.analog.com/cse/share/ADRV9009-ZU11EG-14-06-2019.zip

Is there anything I'm missing to use the DisplayPort? 

Thanks,

 - Jon