From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 119211] amdgpu disables fan by default
Date: Tue, 09 Aug 2016 19:46:37 +0000 [thread overview]
Message-ID: <bug-119211-2300-fP2DaOYwIf@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-119211-2300@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=119211
Alex Deucher <alexdeucher@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |alexdeucher@gmail.com
--- Comment #8 from Alex Deucher <alexdeucher@gmail.com> ---
By default the hw controls the fan based on temperature, etc.
Not all cards have a fan control. If you do, then the following standard HWMON
pwm attributes should be available:
* pwm1_enable: Current fan management mode (MANUAL or AUTO)
* pwm1: Current PWM value (power percentage)
* pwm1_min: The minimum PWM speed allowed
* pwm1_max: The maximum PWM speed allowed (bypassed when hitting Fan_boost)
The fan can be driven in different modes:
* 1: The fan can be driven in manual (use pwm1 to change the speed);
* 2; The fan is driven automatically depending on the temperature.
See:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c#n644
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next prev parent reply other threads:[~2016-08-09 19:46 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-29 22:09 [Bug 119211] New: amdgpu disables fan by default bugzilla-daemon
2016-05-29 22:24 ` [Bug 119211] " bugzilla-daemon
2016-05-29 22:30 ` bugzilla-daemon
2016-05-29 23:01 ` bugzilla-daemon
2016-08-09 17:44 ` bugzilla-daemon
2016-08-09 17:53 ` bugzilla-daemon
2016-08-09 19:25 ` bugzilla-daemon
2016-08-09 19:31 ` bugzilla-daemon
2016-08-09 19:46 ` bugzilla-daemon [this message]
2016-08-09 20:20 ` bugzilla-daemon
2016-08-09 20:34 ` bugzilla-daemon
2016-08-09 20:45 ` bugzilla-daemon
2016-08-09 20:47 ` bugzilla-daemon
2016-08-10 1:50 ` bugzilla-daemon
2016-08-10 1:53 ` bugzilla-daemon
2016-08-10 5:39 ` bugzilla-daemon
2016-08-10 8:59 ` bugzilla-daemon
2016-08-10 18:58 ` bugzilla-daemon
2024-04-03 8:35 ` bugzilla-daemon
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