linux-kernel - Re: [BISECTED] drm: random hang since 620f378 "drm: prune modes when ..."

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Message-ID: <20091216121823.08b5f0a6@jbarnes-piketon>
Date:	Wed, 16 Dec 2009 12:18:23 -0800
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Dave Airlie <airlied@...hat.com>, Daniel Vetter <daniel@...ll.ch>,
	Adam Jackson <ajax@...hat.com>, linux-kernel@...r.kernel.org,
	dri-devel@...ts.sourceforge.net, keithp@...thp.com,
	eric@...olt.net, Daniel Vetter <daniel.vetter@...ll.ch>
Subject: Re: [BISECTED] drm: random hang since 620f378 "drm: prune modes
 when ..."

On Wed, 16 Dec 2009 14:53:11 +0100
Arnd Bergmann <arnd@...db.de> wrote:

> On Tuesday 15 December 2009, Arnd Bergmann wrote:
> > On Monday 14 December 2009, Jesse Barnes wrote:
> > > This patch removes the suspect portion of the dynamic clock
> > > control code.  Hopefully it'll be as stable as powersave=0 in
> > > your config (assuming powersave=0 works :).
> > 
> > Ok, great! The machine is still running  fine with powersave=0 so 
> > far. I'll try your patch after some more uptime.
> 
> It's working fine so far, no more crashes, but I supposed this
> effectively disables the power saving on my card again, right?

The patch just disables one (probably ineffective) power saving
feature.  So if things are working well for you with it I'll queue up a
revert patch.  I'm working on a better version of dynamic clock control
anyway.

-- 
Jesse Barnes, Intel Open Source Technology Center
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