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, 07 Sep 2014 09:38:37 +0000 [thread overview]
Message-ID: <bug-73338-502-el1UrJfOgl@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 #27 from Martin Peres <martin.peres@ensi-bourges.fr> ---
(In reply to comment #26)
> (In reply to comment #25)
>
> > I am the Nouveau developer who added fan management support. I would really
> > advice you follow the hwmon recommendations and name this file pwm1.
>
> Sorry, I'm novice, didn't know about these.
Don't feel bad, you cannot know possibly know everything ;)
> Though it's not a hw interface
> really, the exchange is done through io-mapped SMC registers...
Not sure how more hw-oriented the interface could get :D That is still
irrelevant to the discussion though. HWMON is software interface for the
userspace.
>
> Ok, I'll make necessary changes. I assume it will allow lm-sensors to pick
> it up automatically, is it correct?
Yes, it will!
Just to make sure we understood each others:
- pwm1 (RW) exposes the current pwm value (what you called power)
- pwm1_min(RW) min exposes the mininimum power that should be used by the fan
- pwm1_max(RW) min exposes the maximum power that should be used by the fan
- pwm1_enable (RW) exposes the current fan mode. 0 = DISABLED, 1 = MANUAL (the
user writes the fan power he/she wants to pwm1), 2 = AUTOMATIC (linear fan
management?).
Here is Nouveau's documentation on fan management:
http://cgit.freedesktop.org/nouveau/linux-2.6/tree/Documentation/thermal/nouveau_thermal
I know it is a lot of changes I am asking you to do, but consistency across
drivers is great feature!
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next prev parent reply other threads:[~2014-09-07 9:38 UTC|newest]
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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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