(In reply to comment #5)
> You not only need the new one the initrd updater is complaining about, you
> also need the new RLC firmware. Otherwise the hardware would produce exactly
> the error you are describing.
> 
> Please double check that you got the right versions of the firmware files.

Ahh, I hadn't noticed the already present files had been updated. I
redownloaded all the *.bin files and updated the initrd. UVD now intializes.
Thank you for your help.