radeonsi hyperz issue
There are rendering issues in Saboteur game with nine in some places, and AMD_DEBUG=nohyperz resolves it, d3d trace: https://drive.google.com/file/d/1QM3g29m5Xs5R-cfQpIHNUrrXnGcvjke1/view?usp=sharing , issue reproducible with d3dretrace at least on polaris11 and gcn1 cards.
P.S. original report https://github.com/iXit/Mesa-3D/issues/356