Comment # 1 on bug 1209735 from hui

(In reply to Archer Allstars from comment #0)
> Note my Linux kernel verification shows as "Fail (Tainted)" because I enable
> HuC firmware loading with "options i915 enable_guc=2" in
> "/etc/modprobe.d/i915.conf" file. However, this shouldn't affect my security
> level 1 test.

You should read the documentation.
Quote: "Warning: Manually enabling GuC / HuC firmware loading taints the kernel
even when the feature is not supported. Moreover, enabling GuC/HuC firmware
loading can cause issues on some systems; disable it if you experience freezing
(for example, after resuming from hibernation)."