Created a new thread question transfered from below
You're suggesting a workaround above to power off ADV7511 TMDS out(Main Map address 0xA1) during HDCP authentication for masking unexpected snow image.
Just confirmation, is the HDCP authentication process successfully completed without ADV7511 TMDS signal?
I'm just afraid if HDCP related information was sent over TMDS packet and might affect HDCP authentication.
If this is true, it can be used for muting HDMI out to mask unexpected video(such as snow noise)