[Bug 90263] GPU card fans run full speed at all times

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https://bugs.freedesktop.org/show_bug.cgi?id=90263

Martin Peres  changed:

   What|Removed |Added

 Resolution|--- |MOVED
 Status|NEW |RESOLVED

--- Comment #22 from Martin Peres  ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/drm/amd/issues/606.

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[Bug 90263] GPU card fans run full speed at all times

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90263

--- Comment #21 from Todd  ---
Russia is too far; agree.

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[Bug 90263] GPU card fans run full speed at all times

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--- Comment #20 from Chernovsky Oleg  ---
(In reply to Todd from comment #19)
> St. Petersburg USA or Russia?

Russia.

P.S. If you're thinking about parcel, forget it, post service here is horrible.
I asked local LUG for PITCAIRN GPU last time and can do it once more for BARTS.

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[Bug 90263] GPU card fans run full speed at all times

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https://bugs.freedesktop.org/show_bug.cgi?id=90263

--- Comment #19 from Todd  ---
St. Petersburg USA or Russia?

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[Bug 90263] GPU card fans run full speed at all times

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--- Comment #18 from Chernovsky Oleg  ---
Hmm let me lay it out for you:

I was like you a year ago when I had my fan speed too high. I mmiotraced
proprietary fglrx driver and proposed a patch for this. Alex said that time
that reverse-engineered patches are not welcome upstream (various licensing
issues, I suppose) and suggested to pull a set of initial patches for handling
fan control through AMD IP bureaucracy. I agreed.

This took around month or even more, IIRC. These shinies are not sort of things
so easy to get from large corporation. In the end Alex handed me over these
patches and I was able to fix typos and implement fan control for SI and CI
cards.

I can do it for r600, but again, I will need patches of same kind and moreover,
working BARTS GPU in St. Petersburg where I live to test and debug it.

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[Bug 90263] GPU card fans run full speed at all times

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--- Comment #17 from Todd  ---
Problem remains in 4.2.1.

Is any attention being given to this bug?

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[Bug 90263] GPU card fans run full speed at all times

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--- Comment #16 from Todd  ---
Any hope for a fix of this bug in Linux 4.2?

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[Bug 90263] GPU card fans run full speed at all times

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--- Comment #15 from Todd  ---
Continues to be an issue in 4.06. Anyone working on this? Can I help test or
provide more information?

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[Bug 90263] GPU card fans run full speed at all times

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--- Comment #14 from Alex Deucher  ---
(In reply to Todd from comment #13)
> The following may or may not be relevant to this issue.
> 
> "Fixes for SI fan handling"
> 
> http://cgit.freedesktop.org/%7Eagd5f/linux/commit/?h=drm-next-3.20-
> wip=e06b000d6619ac9b60b0724c82dc58141a86a3dc
> 
> 
> "Enable smc fan control on SI"
> 
> http://cgit.freedesktop.org/%7Eagd5f/linux/commit/?h=drm-next-3.20-
> wip=bdf40b0fa6588ea64ccb069de63d16f9348aeef6

Yes, the same thing need to be done for older asics.

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[Bug 90263] GPU card fans run full speed at all times

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--- Comment #13 from Todd  ---
The following may or may not be relevant to this issue.

"Fixes for SI fan handling"

http://cgit.freedesktop.org/%7Eagd5f/linux/commit/?h=drm-next-3.20-wip=e06b000d6619ac9b60b0724c82dc58141a86a3dc


"Enable smc fan control on SI"

http://cgit.freedesktop.org/%7Eagd5f/linux/commit/?h=drm-next-3.20-wip=bdf40b0fa6588ea64ccb069de63d16f9348aeef6

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[Bug 90263] GPU card fans run full speed at all times

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--- Comment #12 from Alex Deucher  ---
(In reply to Todd from comment #11)
> I was expecting this problem to be solved through the miracle of "dynamic
> power management support" brought down from the mountain of Linux 4.
> 
> I had assumed that the GPU was running at full power all the time under the
> Linux Radeon driver, hence the loud fans. When booted to Windows 7, the card
> is quiet.
> 
> Is fan speed control a different issue? I'm losing track of what this issue
> is a symptom of and where to correctly report the bug.

Power management support has been available and enabled by default for your
card for a while now (since 3.12 or so IIRC).  The driver properly controls the
clocks and voltages on your card.  The fan control is somewhat independent. 
For most cards of this generation, the vbios sets up the fan profile to scale
the fan based on GPU temperature and the driver just uses that.  You happen to
have a card with a limited vbios fan profile that requires the driver to set up
smc fan control.

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[Bug 90263] GPU card fans run full speed at all times

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--- Comment #11 from Todd  ---
I was expecting this problem to be solved through the miracle of "dynamic power
management support" brought down from the mountain of Linux 4.

I had assumed that the GPU was running at full power all the time under the
Linux Radeon driver, hence the loud fans. When booted to Windows 7, the card is
quiet.

Is fan speed control a different issue? I'm losing track of what this issue is
a symptom of and where to correctly report the bug.

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[Bug 90263] GPU card fans run full speed at all times

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--- Comment #10 from Alex Deucher  ---
(In reply to Todd from comment #9)
> "Newer" is an odd description. The card is from 2011.

Newer relative to the original Barts cards.  IIRC, smc fan control was
introduced sometime after the original barts launch.  Most cards just used the
fan profile set up in the vbios.

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[Bug 90263] GPU card fans run full speed at all times

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--- Comment #9 from Todd  ---
"Newer" is an odd description. The card is from 2011. For reference, it is a
Gigabyte GV-R687OC-1GD.

http://www.gigabyte.com/products/product-page.aspx?pid=3663

If you need additional information, just ask.

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[Bug 90263] GPU card fans run full speed at all times

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--- Comment #8 from Alex Deucher  ---
Apparently you have a newer barts card that has limited default fan profile. 
Support for SMC fan control would need to be written for pre-SI cards and
reviewed for release.

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--- Comment #7 from Todd  ---
What additional information is required to diagnose and solve this problem?

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[Bug 90263] GPU card fans run full speed at all times

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--- Comment #6 from Todd  ---
Problem persists regardless of connection of only display A, only display B or
both A & B. Tested by unplugging each DVI cable and starting computer from
power-off state.

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--- Comment #5 from Alex Deucher  ---
Does it work properly with one display attached?  If so, it might be a
duplicate of:
https://bugzilla.kernel.org/show_bug.cgi?id=60523

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--- Comment #4 from Todd  ---
Created attachment 115503
  --> https://bugs.freedesktop.org/attachment.cgi?id=115503=edit
XORG log

XORG log as requested.

Yes; using 2 displays, each connected via DVI.

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[Bug 90263] GPU card fans run full speed at all times

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--- Comment #3 from Alex Deucher  ---
Please attach your xorg log as well.  Are you using multiple monitors?

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--- Comment #2 from Todd  ---
Created attachment 115499
  --> https://bugs.freedesktop.org/attachment.cgi?id=115499=edit
DMESG output

DMESG output as requested.

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Michel Dänzer  changed:

   What|Removed |Added

  Component|DRM/AMDgpu  |DRM/Radeon

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--- Comment #1 from Michel Dänzer  ---
Please attach the dmesg output.

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[Bug 90263] GPU card fans run full speed at all times

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https://bugs.freedesktop.org/show_bug.cgi?id=90263

Bug ID: 90263
   Summary: GPU card fans run full speed at all times
   Product: DRI
   Version: unspecified
  Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
  Severity: normal
  Priority: medium
 Component: DRM/AMDgpu
  Assignee: dri-devel at lists.freedesktop.org
  Reporter: todd at todddailey.ca

Arch w/ Linux 4. AMD "6770" "BARTS" GPU.

GPU fans run at full speed at all times.

Lots of promises on the forums that the fix would "just work" in Linux 4. It
did not.

Not an issue when dual-booted to Windows 7. Fans run properly.

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