The required module is no longer included in kernel 6.0.9:
sudo zcat /proc/config.gz | grep _FB_SIMPLE
# CONFIG_FB_SIMPLE is n
I am still using the Nvidia driver:
nvidia-390-glx-driver-modaliases - These files are used by the Software Center for hardware detection
nvidia-470-glx-driver-modaliases - These files are used by the Software Center for hardware detection
nvidia-docker - nvidia-docker CLI wrapper
nvidia-glx-driver-32bit - 32-bit libraries for NVIDIA Binary Driver
nvidia-glx-driver-common - Shared assets for the NVIDIA GLX Driver
nvidia-glx-driver-current - NVIDIA Binary Driver (Current Kernel)
nvidia-glx-driver-modaliases - These files are used by the Software Center for hardware detection
Let me know if I should raise a ticket at the development tracker.