From owner-p4-projects@FreeBSD.ORG Mon Jan 14 16:29:40 2008 Return-Path: Delivered-To: p4-projects@freebsd.org Received: by hub.freebsd.org (Postfix, from userid 32767) id BF46316A469; Mon, 14 Jan 2008 16:29:39 +0000 (UTC) Delivered-To: perforce@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 848EA16A418 for ; Mon, 14 Jan 2008 16:29:39 +0000 (UTC) (envelope-from rpaulo@gmail.com) Received: from fg-out-1718.google.com (fg-out-1718.google.com [72.14.220.156]) by mx1.freebsd.org (Postfix) with ESMTP id A7BDF13C458 for ; Mon, 14 Jan 2008 16:29:38 +0000 (UTC) (envelope-from rpaulo@gmail.com) Received: by fg-out-1718.google.com with SMTP id 16so2556799fgg.35 for ; Mon, 14 Jan 2008 08:29:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:date:message-id:from:to:cc:subject:in-reply-to:references:user-agent:mime-version:content-type:sender; bh=loxiuLm1WhgKNC0J6oSd4h+zRRUZYVUBf5RoVPmvGio=; b=LbgelGTxjUspF+J2W8ONacKnQNkC1oz2hJsDdPi44jdBeIAjh6Wp/G2uDIPrGtgc1845d8uQwYGa3hwTglt3UaLvUZAVHmK5ZkCagfv/Kp5zkzi/8fGKClhfpIAzjgnFwQXTPikYMZUPdNu8rRtsgL9xlZaDRoQNNTv37lOnGYs= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:message-id:from:to:cc:subject:in-reply-to:references:user-agent:mime-version:content-type:sender; b=lFaIiSrifFf1oK91KmLJVTVLJIbub3c+DYhlBegVFA2lZD+/+I8o5NHLFGQZg1No5402tkP2afS9LCzPgeN85LZQZT8cI2lzPMS8ufd/kBoognE9xpROS/+XLK/prb5oSMliM0TK6zhDV+I1xt6CxAnDhbceKwBOlqnj6SvUbSM= Received: by 10.82.146.14 with SMTP id t14mr11275366bud.9.1200328176823; Mon, 14 Jan 2008 08:29:36 -0800 (PST) Received: from epsilon.local.gmail.com ( [193.126.199.121]) by mx.google.com with ESMTPS id n3sm5373448gvf.16.2008.01.14.08.29.35 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 14 Jan 2008 08:29:36 -0800 (PST) Date: Mon, 14 Jan 2008 16:29:16 +0000 Message-ID: <863at0jrqb.wl%rpaulo@fnop.net> From: Rui Paulo To: John Baldwin In-Reply-To: <200801101655.m0AGtZqn043424@repoman.freebsd.org> References: <200801101655.m0AGtZqn043424@repoman.freebsd.org> User-Agent: Wanderlust/2.15.5 (Almost Unreal) Emacs/22.1 Mule/5.0 (SAKAKI) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Sender: Rui Paulo Cc: Perforce Change Reviews Subject: Re: PERFORCE change 132974 for review X-BeenThere: p4-projects@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: p4 projects tree changes List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Jan 2008 16:29:40 -0000 At Thu, 10 Jan 2008 16:55:35 GMT, John Baldwin wrote: > > http://perforce.freebsd.org/chv.cgi?CH=132974 > > Change 132974 by jhb@jhb_zion on 2008/01/10 16:54:55 > > Update. > > Affected files ... > > .. //depot/projects/power/notes#12 edit > > Differences ... > > ==== //depot/projects/power/notes#12 (text+ko) ==== > > @@ -69,3 +69,15 @@ > The second stage will be to make the powering off of devices more automated. > This is still in early design stage. It may involve a powerd, it may > involve intelligence in the kernel. > + > +Other stuff: > + > +- Make the DPMS support in acpi_video a separate driver that attaches to > + vgapci0 > +- Automated idle device power management > + - Basic idea is that when a device is idle for a specified amount of time, > + it should power down into D1 or D2. For example, NICs can power down > + when they have no link until they get link. Audio controllers can power > + down when they aren't open, etc. > + - Want to avoid having lots of scaffolding in device drivers. So we need > + to come up with some models for some frameworks. Cool, thanks for working on this. I had this in my mind since forever.. -- Rui Paulo