[Bug 209015] New: Clocks are no longer reported for R9 390 GPU

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=209015

            Bug ID: 209015
           Summary: Clocks are no longer reported for R9 390 GPU
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.8
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri at kernel-bugs.osdl.org
          Reporter: henryjm11106 at gmail.com
        Regression: No

After updating to Linux 5.8, mclk and sclk are always reported as 0MHz on my
AMD R9 390. this is consistent after a couple of 5.8 kernel updates with both
linux-zen and generic linux. it was fine on the last 5.7 release, and going
back to 5.4 LTS clocks are reported correctly as of now. issue is present with
both AMDGPU and Radeon drivers

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