I suspect things have changed recently with the latest Mesa 20.3 releases - the GPU is working (mostly) fine with the mainline kernel (see also https://forum.odroid.com/viewtopic.php?t=40013)
I suspect things have changed recently with the latest Mesa 20.3 releases - the GPU is working (mostly) fine with the mainline kernel (see also https://forum.odroid.com/viewtopic.php?t=40013)