I just thought I should mention that I was able to add the necessary plumbing to add graphics acceleration to the Pinebook Pro.
The patch subject that I used was not the best as Pinebook Pro users might miss it. Here is the link —> https://lists.gnu.org/archive/html/guix-patches/2020-04/msg01101.html <https://lists.gnu.org/archive/html/guix-patches/2020-04/msg01101.html> Also my apologies, I sent these patches in using OSX, and apparently it makes the patch files into binary files, but they can still be read. Brian C. Woodcox
