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From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 101653] FAN speed is too high when displays are off
Date: Thu, 29 Jun 2017 23:32:50 +0000	[thread overview]
Message-ID: <bug-101653-502@http.bugs.freedesktop.org/> (raw)


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https://bugs.freedesktop.org/show_bug.cgi?id=101653

            Bug ID: 101653
           Summary: FAN speed is too high when displays are off
           Product: DRI
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: alexander@tsoy.me

Created attachment 132364
  --> https://bugs.freedesktop.org/attachment.cgi?id=132364&action=edit
kernel log

While investigating bug #101528, I've noticed another issue: FAN speed is too
high when display are off.

Display is off:
$ cat /sys/class/hwmon/hwmon6/fan1_input
1914

Display is on:
$ cat /sys/class/hwmon/hwmon6/fan1_input
941

In both cases sclk, mclk and pcie are in the same lowest state.


GPU:
01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc.
[AMD/ATI] Tonga PRO [Radeon R9 285/380] [1002:6939] (rev f1) (prog-if 00 [VGA
controller])
        Subsystem: PC Partner Limited / Sapphire Technology Tonga PRO [Radeon
R9 285/380] [174b:e305]

kernel:
$ uname -r
4.11.7-gentoo

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             reply	other threads:[~2017-06-29 23:32 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-29 23:32 bugzilla-daemon [this message]
2017-06-30  0:25 ` [Bug 101653] FAN speed is too high when displays are off bugzilla-daemon
2017-06-30  3:03 ` bugzilla-daemon
2017-06-30 14:02 ` bugzilla-daemon
2017-06-30 23:18 ` bugzilla-daemon
2017-07-24  0:13 ` bugzilla-daemon

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