I am test driving and debugging kubuntu 26.04 arm.
sysmon is not seeing the GPU to report anything about its resource usage.
I did the qcom-firmware-extract to grab GPU firmware assets and windows driver blobs.
mesa and vulcan seem to be working:
prime:~$ glxinfo | grep “OpenGL version”
OpenGL version string: 4.6 (Compatibility Profile) Mesa 26.0.1-2ubuntu1