[Bug 108652] I suspect that in kernel 4.19 power limit decreased in 4 times on Vega GPU

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108652

            Bug ID: 108652
           Summary: I suspect that in kernel 4.19 power limit decreased in
                    4 times on Vega GPU
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: mikhail.v.gavrilov at gmail.com

Created attachment 142364
  --> https://bugs.freedesktop.org/attachment.cgi?id=142364&action=edit
shining LEDs (now in 4K scenarios)

I suspect that in kernel 4.19 power limit decreased in 4 times on Vega GPU
I remember that earlier in the GPU bound scenarios all LED are shining. Now I
have never seen more than two LEDs shining at the same time even when GPU is
100% loaded (I see this by HUD monitoring)
I even forgot when I heard last time when turbine roared.

>From the point of view of audio comfort, this is all great, but the feeling
that video card was became weaker does not leave me, and it upsets.
Unfortunately, I have nothing to compare I don't like use old kernels because
they have a lot of not fixed old bugs.

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