I have a RockPro64, which is basically that as a SBC. Runs well with just mainline Linux, apart from the GPU.

There are blobs, but I didn't manage to get them to work with recent Xorg or Wayland.

But there's hope in the form of Panfrost, which seems to be coming along nicely: https://www.phoronix.com/scan.php?page=news_item&px=Panfrost...