Is Intel GPU GuC/HuC firmware used? (hw.i915kms.enable_guc)

Setting hw.i915kms.enable_guc="3" in loader.conf seemingly has the firmware load:

Code:
drmn0: successfully loaded firmware image 'i915/kbl_guc_62.0.0.bin'
drmn0: successfully loaded firmware image 'i915/kbl_huc_4.0.0.bin'

But that breaks something with the graphics stack and glxinfo only reports llvmpipe (UHD 630, drm-kmod). I've not tried just HuC firmware loading yet.



Is Intel GPU GuC and/or HuC firmware loading on FreeBSD usable with any benefit?

ArchWiki for Linux says it could optimize media decoding with intel-media-driver, and provide general improvements on ADL/Gen12.
 
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