[Bug 108605] R9 380 fan speed is either 100% or very low, during moderate usage gets too loud

[Bug 108605] R9 380 fan speed is either 100% or very low, during moderate usage gets too loud

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=108605

            Bug ID: 108605
           Summary: R9 380 fan speed is either 100% or very low, during
                    moderate usage gets too loud
           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: christos.kotsaris@gmail.com

Created attachment 142283
  --> https://bugs.freedesktop.org/attachment.cgi?id=142283&action=edit
Just a few logs from my pc as per AMD reporting bugs instructions

I noticed that when i am playing a video game, the gpu fan seems to be quiet
for around 10-20 seconds, then gets too loud for around 3-4s, then back to
idle, and this repeats until i quit the game. Upon examination i found out that
for some reason the automated dpm sets the fan too low until temperature rises
too much (around 100C), then it sets the fan speed to 100% (around 3500RPM), it
drops rapidly, and the cycle goes on and on like this.

I tried setting the fan speed manually through:

echo "1" > /sys/class/drm/card0/device/hwmon/hwmon2/pwm1_enable
and
echo "X" > /sys/class/drm/card0/device/hwmon/hwmon2/pwm1

and found out that for my card the only values that seem to work are: higher
than 199 (sets the fan speed to max) and lower than 196 (sets the fan speed to
around 150-190RPM, the lowest my fan will go)

I think this is a bug, i don't have a Windows partition anymore but i don't
remember ever having this issue on Windows. My GPU is a Sapphire R9 380 ITX
Compact 2GB. I am using 4.18.16 kernel and 18.2.3 MESA on Archlinux.

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[Bug 108605] R9 380 fan speed is either 100% or very low, during moderate usage gets too loud

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=108605

Martin Peres <martin.peres@free.fr> changed:

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

--- Comment #1 from Martin Peres <martin.peres@free.fr> ---
-- 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/578.

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