comment 33 of bug 1850876 mentions dtoverlay=vc4-fkms-v3d. i have had that line all along in /boot/firmware/usercfg.txt (which is where it goes on a pi 4).
bug 1850876 references linux-raspi2, and the v2 test kernel is based on linux 5.3. i'm running ubuntu 20.04 on a pi 4 - the raspi branch - which is based on linux 5.4. do you have a test kernel built from the raspi branch, or is there a git commit i can check out to build it myself? i have been successfully building and running kernels from source obtained via: git clone --depth=1 git://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal -b raspi -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880125 Title: v3d driver clock problem forces OpenGL to use software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
