[PATCH v2] Revert "drm/radeon: handle PCIe root ports with addressing limitations"

[Christoph Hellwig]

On Wed, Sep 16, 2020 at 09:20:17AM -0400, Alex Deucher wrote:
> This causes screen corruption when using the GPU which makes the
> system unusable.

You have not addressed any of my questions, especially if the commit
that fixed one of the reports (the only one with a recent kernel)
fixed most of the others as well.  Nor that fact that the crash
one really looks like the symptom of an underlying issue that absolutely
needs to be fixed first.