Having exactly the same issue with a Dell XPS 7590, NVIDIA GeForce GTX 1650 and Ubuntu 20.04.1,kernel 5.4.0-42-generic.
I had to revert to nouveau driver, and it now works correctly.
Having exactly the same issue with a Dell XPS 7590, NVIDIA GeForce GTX 1650 and Ubuntu 20.04.1,kernel 5.4.0-42-generic.
I had to revert to nouveau driver, and it now works correctly.