modprobe options and initramfs?

[Tom Horsley]

Searching google for kslowd leads me to suspect I can
help my jerky mouse stop being such a jerk by specifying
the poll=off option to the drm_kms_helper kernel module.

I created a /etc/modprobe.d/drm_kms_helper.conf with

options drm_kms_helper poll=0

in it, but I'm not certain it actually had any effect.
Do I have to run some kind of magic script to get the
module options updates in the initramfs so they will
take effect at boot time?