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: alexan...@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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