I found these in my config.plist but when I delete them, then reboot then replug in the HDMI, my screen turns black and reboots.
HDMI-audio, port 0105(12), 0x0a2e0008, 0x0a16000c, 0x0a2e000d, 0x0a26000d
and
HDMI-audio, port 0105(12), 0x0a260005 0x0a260006, 0x0d220003, 0x0a2e000a, 0x0a26000a...