linux-kernel - Re: [Intel-gfx] PCH reference clock cleanups

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20111003162108.07c6b9bb@jbarnes-desktop>
Date:	Mon, 3 Oct 2011 16:21:08 -0700
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Keith Packard <keithp@...thp.com>
Cc:	Paulo Zanoni <przanoni@...il.com>,
	Dave Airlie <airlied@...hat.com>,
	intel-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org
Subject: Re: [Intel-gfx] PCH reference clock cleanups

On Mon, 03 Oct 2011 16:18:48 -0700
Keith Packard <keithp@...thp.com> wrote:

> On Mon, 3 Oct 2011 14:14:23 -0700, Jesse Barnes <jbarnes@...tuousgeek.org> wrote:
> 
> > Now... is keeping the various refclks enabled costing us any power?
> > IOW, should we be trying to disable them when everything has been
> > DPMS'd off too?
> 
> That's the same as tracking usage and enabling/disabling on the fly as
> modes are set. I think it's possible, but I'd like to have the 'simpler'
> fix present before we try a power saving move.

Agreed; fortunately shutting everything off when no outputs are
active should be simpler than trying flip the bits on & off every mode
set. :)

-- 
Jesse Barnes, Intel Open Source Technology Center
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/