Let me ask a question about register 68(HDMI Map) 6F of ADV7611.
Your ADV7611 Recommended Settings document(Rev1.5) on the following site says that register 68 6F needs to be set to 0x08.
Meanwhile, your script file(ADV7611-VER.3.0c.txt) says that register 68 6F needs to be set to 0x0C
https://ez.analog.com/video/w/documents/789/adv7611-design-support-files
0x08 is your latest recommended value of the register 68 6F?
Best regards