System slowing down when playing games with nvidia 440 driver on ubuntu 20.04

Ubuntu stop running smoothly and sometimes freezes and unfreezes when i play steam games. i have the nvidia-drm.modeset in my /etc/default/grub.

What kind of games? Windowed or fullscreen?
Please create a nvidia-bug-report.log after a gaming session where the freeze happened.

both windowed and full screen. Rise of the tomb raider, pes 2020, card trading games. it doesn’t necessarily freeze but just slows down simple processes like turning up volume or switching tabs.
nvidia-bug-report (1).log (1.2 MB)

You’re always getting
(WW) NVIDIA: Wait for channel idle timed out.
Do you use any tools/plugins that poll gpu state?

Not that I know of no