[Bug 108260] [Regression?] [powerplay] Failed to retrieve minimum clocks. 4.19-rc6+

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108260

            Bug ID: 108260
           Summary: [Regression?] [powerplay] Failed to retrieve minimum
                    clocks. 4.19-rc6+
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: taijian at posteo.de

Created attachment 141923
  --> https://bugs.freedesktop.org/attachment.cgi?id=141923&action=edit
relevant dmesg output

After rebuilding the mainline kernel from git today in order to see if the
recent change: "PCI: Reprogram bridge prefetch registers on resume" would help
with my crash issues. It does seem to do this, however I noticed that my dGPU
would now no longer properly power down. dmesg give me this:

amdgpu: [powerplay] Failed to retrieve minimum clocks.
amdgpu: [powerplay] Error in phm_get_clock_info 

This error did not occur on previous kernel versions.

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