Can't get a working image with an Geforce RTX 4080 and my Sony A90J only in VRR Game Mode

[SoSaONE]

Cant watch Movies / Videos with the Geforce RTX 4080 and my Sony A90J with HDMI 2.1 Port only VRR Mode Game Mode is working!

 With the Geforce GTX 1070 was normal working!