Sounds suspiciously like this hardware quirk[0] that was only supposed to affect Hawaii/Bonaire... Guess it's a little more widespread. Easily fixed, I guess[1].
Then again Nvidia cards have their own set of horrible problems too, although theirs are somewhat on the side of malicious intent rather than incompetence.
Then again Nvidia cards have their own set of horrible problems too, although theirs are somewhat on the side of malicious intent rather than incompetence.
[0] - https://github.com/qemu/qemu/blob/master/hw/vfio/pci-quirks....
[1] - https://github.com/qemu/qemu/blob/master/hw/vfio/pci-quirks....