Created attachment 145913 [details] dmesg log (journalctl -k) for the failure. On 5.4-rc6, with navi10, writing to the sysfs pp_table works, with the SMU resetting successfully. On amd-staging-drm-next (270209307880ec946cfe9b98a6a58d285dbc5a2e), this fails. I can bisect, but unfortunately I'm not too sure on where to start, since the amd-staging-drm-next branch is currently rebased off of an older version (5.3-rcX I think?). Tips on where to start would be helpful and appreciated, but my guess that this would be introduced in the big refactor to remove the swSMU code layer.
Bisected, and traced back to faa695c715e5c9203af824315127037499b33921 drm/amd/powerplay: do proper cleanups on hw_fini
This was resolved on amd-staging-drm-next by https://patchwork.freedesktop.org/series/69284/
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