I searched, I didn't see any links to the AVS Forum that pertains to this... Am I missing something? Many times you said you read it on the AVS forums, but never link to it.
The only thread I found on the AVS forums was from back in 2014, when they were speculating if it would work or not.
I found it!
The guy mentions not having an SIL9777 chipset, but I don't think graphics cards need external chipsets to control HDMI. I believe that is done within the display controller on the GPU...
Edit - Bummer, only GM200 supports HDCP 2.2...
Source
Better than none of them, I guess.