From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 73338] Fan speed in idle at 40% with radeonsi and at 18% with catalyst Date: Mon, 22 Sep 2014 17:56:52 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1796249067==" Return-path: Received: from culpepper.freedesktop.org (unknown [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id EE7F08992E for ; Mon, 22 Sep 2014 10:56:52 -0700 (PDT) In-Reply-To: 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 --===============1796249067== Content-Type: multipart/alternative; boundary="1411408612.C6Fc74.32126"; charset="us-ascii" --1411408612.C6Fc74.32126 Date: Mon, 22 Sep 2014 17:56:52 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable https://bugs.freedesktop.org/show_bug.cgi?id=3D73338 --- Comment #43 from Chernovsky Oleg --- (In reply to comment #42) >If I got it right, you're giving an option to manually set fan-speed. Yes, you understood it right. For now it's only the option to manually set = fan speed. >=20 > Wouldn't it be possible to implement such behaviour in the drm drivers? I > mean like: reading fan profile (like 40=C2=B0C -> 20%, 60=C2=B0C -> 25%, = 80=C2=B0C -> 45% > etc. and assuming linear scaling between those values), reading temperatu= res > and setting fan-speed accordingly? >=20 That's not impossible, and there's an API called Overdrive6 that's both accessible to Windows and Linux (only closed source driver though). Mmiotra= cing those calls (yeah, actually that thing you mentioned - setting temperature<-->speed pairs) can lead to implementing this behaviour in open-sorce driver. Alex said he can provide some patches for me to start wi= th, let's see if it will cover these demands. --=20 You are receiving this mail because: You are the assignee for the bug. --1411408612.C6Fc74.32126 Date: Mon, 22 Sep 2014 17:56:52 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

Commen= t # 43 on bug 73338<= /a> from = Chernovsky Oleg
(In reply to comment #=
42)
>If I got it right, you're giving an option to man=
ually set fan-speed.

Yes, you understood it right. For now it's only the option to manually set =
fan
speed.

>=20
> Wouldn't it be possible to implement such behaviour in the drm drivers=
? I
> mean like: reading fan profile (like 40=C2=B0C -> 20%, 60=C2=B0C -&=
gt; 25%, 80=C2=B0C -> 45%
> etc. and assuming linear scaling between those values), reading temper=
atures
> and setting fan-speed accordingly?
> 

That's not impossible, and there's an API called Overdrive6 that's both
accessible to Windows and Linux (only closed source driver though). Mmiotra=
cing
those calls (yeah, actually that thing you mentioned - setting
temperature<-->speed pairs) can lead to implementing this behaviour in
open-sorce driver. Alex said he can provide some patches for me to start wi=
th,
let's see if it will cover these demands.


You are receiving this mail because: =20=20=20=20=20=20
  • You are the assignee for the bug.
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