From: Chris Wilson <chris@chris-wilson.co.uk>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>,
Greg Kroah-Hartman <greg@kroah.com>,
dri-devel@lists.freedesktop.org, linux-pm@vger.kernel.org
Subject: Re: Massive power regression going 3.4->3.5
Date: Tue, 31 Jul 2012 11:14:17 +0100 [thread overview]
Message-ID: <1343729665_21195@CP5-2952> (raw)
In-Reply-To: <1343728630.12484.0.camel@dabdike.int.hansenpartnership.com>
On Tue, 31 Jul 2012 10:57:10 +0100, James Bottomley <James.Bottomley@HansenPartnership.com> wrote:
> > When did you inspect the debug files? One effect I can imagine is that
> > if your system was previously stuck at RPn and never upclocking the GPU
> > when X starts. The question would then be what is preventing the GPU
> > from reaching its lowest power state again.
>
> After I logged into an xfce4 session and powertop showed idle had been
> reached.
So it looks like rc6 is functioning as the GPU is downclocked whilst
idle and the rc6 residency counter is increasing. I guess we need a new
tree to bark at.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
next prev parent reply other threads:[~2012-07-31 10:14 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1343477958.2891.6.camel@dabdike.int.hansenpartnership.com>
[not found] ` <1343557599.2745.1.camel@dabdike.int.hansenpartnership.com>
[not found] ` <201207291544.26334.rjw@sisk.pl>
[not found] ` <201207292125.21376.rjw@sisk.pl>
[not found] ` <1343641574.2905.2.camel@dabdike.int.hansenpartnership.com>
2012-07-30 14:54 ` Massive power regression going 3.4->3.5 James Bottomley
2012-07-30 16:33 ` Keith Packard
2012-07-30 17:05 ` James Bottomley
2012-07-30 18:23 ` Keith Packard
2012-07-31 7:31 ` James Bottomley
2012-07-31 8:06 ` James Bottomley
2012-07-31 8:28 ` Chris Wilson
2012-07-31 9:37 ` James Bottomley
2012-07-31 9:54 ` Chris Wilson
2012-07-31 9:57 ` James Bottomley
2012-07-31 10:14 ` Chris Wilson [this message]
2012-07-31 19:24 ` Chris Wilson
2012-08-01 8:06 ` James Bottomley
2012-08-01 8:16 ` Chris Wilson
2012-08-01 8:45 ` James Bottomley
2012-08-01 8:58 ` Chris Wilson
2012-08-01 9:07 ` James Bottomley
2012-08-01 9:14 ` Chris Wilson
2012-08-01 9:38 ` James Bottomley
2012-08-01 10:06 ` Chris Wilson
2012-08-02 5:08 ` bwidawsk
2012-08-02 7:20 ` James Bottomley
2012-08-02 12:07 ` Ben Widawsky
2012-08-01 10:08 ` James Bottomley
2012-08-05 20:36 ` Daniel Vetter
2012-08-07 20:43 ` James Bottomley
2012-08-08 2:44 ` Ben Widawsky
2012-08-08 7:22 ` Daniel Vetter
2012-08-06 19:31 ` [PATCH] drm/i915: make forcewake work again Ben Widawsky
2012-08-07 17:56 ` [Intel-gfx] " Ben Widawsky
2012-07-31 14:27 ` Massive power regression going 3.4->3.5 Keith Packard
2012-07-31 15:09 ` James Bottomley
2012-07-31 15:36 ` Chris Wilson
2012-07-31 16:25 ` James Bottomley
2012-07-30 18:23 ` Adam Jackson
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