Comment 7 for bug 1970050

https://www.kernel.org/doc/Documentation/Intel-IOMMU.txt

>If you encounter issues with graphics devices, you can try adding
option intel_iommu=igfx_off to turn off the integrated graphics engine.
If this fixes anything, please ensure you file a bug reporting the problem.

So the underlying issue is not fixed.

On my system audio (and any associated video playing) stops when changing audio to integrated hdmi output, i7-4790s haswell cpu with ubuntu 22.04.