[Navi 22] FairPlay 1.x/4.x content either shows a black screen or crashes

[VisualEhrmanntraut]

Describe the bug AppleGVA (Hardware decoding/encoding) using VCN works on Navi 22 but not DRM; you usually just get audio but no video.

To Reproduce Steps to reproduce the behavior:

1. Try DRM playback
2. See error or video but no audio

Expected behaviour The DRM video to play normally.