From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 101653] FAN speed is too high when displays are off Date: Thu, 29 Jun 2017 23:32:50 +0000 Message-ID: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1532076939==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 1E6756E73B for ; Thu, 29 Jun 2017 23:32:50 +0000 (UTC) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============1532076939== Content-Type: multipart/alternative; boundary="14987791700.02d8e0a.871"; charset="UTF-8" --14987791700.02d8e0a.871 Date: Thu, 29 Jun 2017 23:32:50 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated https://bugs.freedesktop.org/show_bug.cgi?id=3D101653 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=3D132364&action=3Dedit kernel log While investigating bug #101528, I've noticed another issue: FAN speed is t= oo 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 [V= GA controller]) Subsystem: PC Partner Limited / Sapphire Technology Tonga PRO [Rade= on R9 285/380] [174b:e305] kernel: $ uname -r 4.11.7-gentoo --=20 You are receiving this mail because: You are the assignee for the bug.= --14987791700.02d8e0a.871 Date: Thu, 29 Jun 2017 23:32:50 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated
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 [det=
ails]
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 [V=
GA
controller])
        Subsystem: PC Partner Limited / Sapphire Technology Tonga PRO [Rade=
on
R9 285/380] [174b:e305]

kernel:
$ uname -r
4.11.7-gentoo

You are receiving this mail because:
  • You are the assignee for the bug.
= --14987791700.02d8e0a.871-- --===============1532076939== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVs IG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlz dHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg== --===============1532076939==--