[Bug 99513] incorrect reporting/status/performance ?

[Bug 99513] incorrect reporting/status/performance ?

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=99513

            Bug ID: 99513
           Summary: incorrect reporting/status/performance ?
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: mkj@gotu.dk

Created attachment 129122
  --> https://bugs.freedesktop.org/attachment.cgi?id=129122&action=edit
full dmesg

I've recently bought a ASUS STRIX-RX470-O4G card for my desktop, running on
Debian Stretch and a custom built 4.9 kernel. 

The card seems to be running okay. I haven't got random glitches, crashes or
lockups yet.

... but I found this in my dmesg: 

[    1.226688] Can't find requested voltage id in vdd_dep_on_sclk table!


"pp_dpm_pcie" prints:

0: 2.5GB, x8 *
1: 8.0GB, x16 

It seems to be running in PCIe x8 mode, and it should be able to run at x16.

"amdgpu_pm_info" prints: 

GFX Clocks and Power:
        300 MHz (MCLK)
        300 MHz (SCLK)

GPU Temperature: 37 C
GPU Load: 0 %

UVD: Disabled

VCE: Disabled


Note UVD and VCE claims to be disabled but thats not what my dmesg seems says:
[    1.377965] [drm] UVD initialized successfully.
[    1.225023] [drm] UVD is enabled in VM mode
[    1.477235] [drm] VCE initialized successfully.
[    1.225024] [drm] VCE enabled in VM mode


Is something wrong with my system, am I reading this incorrectly, have I setup
my system incorrectly/suboptimal, or is it nothing to worry about?

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[Bug 99513] incorrect reporting/status/performance ?

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=99513

--- Comment #1 from Alex Deucher <alexdeucher@gmail.com> ---
I think your system is probably fine.  The GPU changes the clocks dynamically
based on GPU load.  If the GPU is idle, the clocks automatically go down to the
lowest level.  Please try running a GPU intensive application and check
amdgpu_pm_info again with the app running.

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[Bug 99513] incorrect reporting/status/performance ?

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https://bugs.freedesktop.org/show_bug.cgi?id=99513

--- Comment #2 from Martin Jørgensen <mkj@gotu.dk> ---
After stressing the GPU, "the pp_dpm_pcie" switched back and forth between x8
and x16 depending on the load, so I guess thats fine.

The GFX clocks also variate depending on load, and performance seems reasonable
everything considered. 

But I still don't get why the UVD/VCE claims to be disabled?
And why it can't seem to find requested voltage id?

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[Bug 99513] incorrect reporting/status/performance ?

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https://bugs.freedesktop.org/show_bug.cgi?id=99513

--- Comment #3 from Alex Deucher <alexdeucher@gmail.com> ---
UVD and VCE get disabled at runtime to save power.  If you run a video decode
or encode task, they will get enabled dynamically.  As for voltage, we don't
currently print that information in the debugging output as it's tied directly
to clocks.

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[Bug 99513] incorrect reporting/status/performance ?

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https://bugs.freedesktop.org/show_bug.cgi?id=99513

Martin Jørgensen <mkj@gotu.dk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |NOTABUG

--- Comment #4 from Martin Jørgensen <mkj@gotu.dk> ---
Yep, when I run a movie in VLC it enables UVD in "amdgpu_pm_info"

Well, I'm just ignorant then. 

Sorry for bothering you guys.

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[Bug 99513] incorrect reporting/status/performance ?

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https://bugs.freedesktop.org/show_bug.cgi?id=99513

Martin Jørgensen <mkj@gotu.dk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED

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