Linux 6.7.3 + 545.29.06/550.40.07: ERROR: modpost: GPL-incompatible module nvidia.ko uses GPL-only symbol '__rcu_read_lock'

Indeed.

After cleanning up repos and do a full nvidia remove and reinstall. New Packages were installed.

Desktop render great in all monitors, no Display issues/Refreshing issues. so fa with kmod-nvidia-3:545.29.06-3.fc39.x86_64

akmod-nvidia-545.29.06-3.fc39.x86_64
kmod-nvidia-545.29.06-3.fc39.x86_64
kmod-nvidia-6.7.3-200.fc39.x86_64-545.29.06-3.fc39.x86_64
nvidia-modprobe-545.29.06-1.fc39.x86_64
nvidia-settings-545.29.06-1.fc39.x86_64
xorg-x11-drv-nvidia-545.29.06-2.fc39.x86_64
xorg-x11-drv-nvidia-cuda-libs-545.29.06-2.fc39.x86_64
xorg-x11-drv-nvidia-kmodsrc-545.29.06-2.fc39.x86_64
xorg-x11-drv-nvidia-libs-545.29.06-2.fc39.i686
xorg-x11-drv-nvidia-libs-545.29.06-2.fc39.x86_64
xorg-x11-drv-nvidia-power-545.29.06-2.fc39.x86_64