Is nouveau in the initial ramdisk image?

I’ve been working on
https://en.opensuse.org/SDB:NVIDIA_the_hard_way

My question is regarding the suggestion to use **mkinitrd**.

In the official documentation it says:

Some distributions include Nouveau in an initial ramdisk image … so that Nouveau’s kernel modeset can take place as early as possible in the boot process.

https://download.nvidia.com/XFree86/Linux-x86_64/390.25/README/commonproblems.html#nouveau

I have installed and uninstalled the last few drivers without using **mkinitrd** at all.

Does this mean openSUSE does not include nouveau in the initial ramdisk image?
Is there a valid use case for **mkinitrd**?

The reason I didn’t need to run mkinitrd after installing the proprietary driver is
I always boot with nomodeset once it’s installed.
If I remove nomodeset then it loads nouveau (plymouth looks good),
but it doesn’t load the display manager.

I still don’t understand why I don’t need to run mkinitrd after I uninstall the driver.
Won’t the “blacklist nouveau” remain in the ramdisk image untill I run it again?
Does the driver installer run mkinitrd after uninstall, but not after install?

The reason I didn’t need to run mkinitrd after installing the proprietary driver is
I always boot with nomodeset once it’s installed.

I uninstalled and then reinstalled twice today (for testing),
without needing to use mkinitrd,
and I wasn’t booting with nomodeset after installing.

:X

Won’t the “blacklist nouveau” remain in the ramdisk image untill I run it again?
Does the driver installer run mkinitrd after uninstall, but not after install?

/etc/modprobe.d/nvidia.conf
will continue to be returned by

lsinitrd | grep nvidia

untill mkinitrd is run again.
So it seems like the driver installer never runs mkinitrd.