[Bug 205497] Attempt to read amd gpu id causes a freeze

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=205497

--- Comment #11 from Alex Deucher (alexdeucher at gmail.com) ---
(In reply to Trek from comment #7)
> by default, radeontop calls amdgpu_read_mm_registers, amdgpu_query_info and
> amdgpu_query_sensor_info, but it can be forced by the command line to read
> BAR from /dev/mem

If you access the BAR directly you will likely have problems in certain power
saving modes.

Can someone test the patch?

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