nvidia-drm modeset=1 breaks user switching in gnome.

when I set nvidia-drm modeset=1, I can log in just fine on one account but user switching breaks.
[172372.195524] [drm:nvidia_drm_gem_import_nvkms_memory [nvidia_drm]] ERROR [nvidia-drm] [GPU ID 0x00000100] Failed to import NVKMS memory to GEM object

if I set nvidia-drm modeset=0, user switching workds again.
nvidia-bug-report.log.gz (233 KB)