From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 73338] Fan speed in idle at 40% with radeonsi and at 18% with catalyst
Date: Sun, 04 Jan 2015 14:11:58 +0000 [thread overview]
Message-ID: <bug-73338-502-Aqd70TPyuG@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-73338-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=73338
--- Comment #73 from !evil <a_rappold@gmx.at> ---
(In reply to Chernovsky Oleg from comment #24)
> Created attachment 105853 [details] [review]
> experimental patch for CI (BONAIRE etc.) for enabling fan control
>
> So I've come up with patch that enables manual fan override for CI family at
> least. I've tested it on my BONAIRE card, Radeon R7 260X.
>
> INSTALLATION:
> After compile and reboot there will be new debugfs file,
> /sys/class/drm/card0/device/power_fan_control
>
> READ:
> cat /sys/class/drm/card0/device/power_fan_control
> correct values are 0 to 100
> on first reads it'll probably show some incorrect percentage value due to
> manual control not yet enabled
>
> WRITE:
> echo 40 > /sys/class/drm/card0/device/power_fan_control
> correct values are 0 to 100
Is there an easy way to get something similar working with the latest kernel
(3.19 rc2)? Obviously there is disabled code (#if 0) but simply enabling it
won't change anything i suppose. Also, I need it for SI (R9 280).
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[not found] <bug-73338-502@http.bugs.freedesktop.org/>
2014-01-06 23:35 ` [Bug 73338] Fan speed in idle at 40% with radeonsi and at 18% with catalyst bugzilla-daemon
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