Date: Sat, 12 Jul 2014 01:33:22 +0200 (CEST)
From: Jiri Kosina <jkosina@suse.cz>
To: Pavel Machek <pavel@ucw.cz>
cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
        Linux-pm mailing list <linux-pm@lists.osdl.org>,
        kernel list <linux-kernel@vger.kernel.org>,
        Chris Wilson <chris@chris-wilson.co.uk>,
        intel-gfx <intel-gfx@lists.freedesktop.org>
Subject: Re: 3.15-rc: regression in suspend
In-Reply-To: <20140711192629.GA20015@amd.pavel.ucw.cz>
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On Fri, 11 Jul 2014, Pavel Machek wrote:

> > > > Ok, so I have set up machines for ktest / autobisect, and found out that 
> > > > 3.16-rc1 no longer has that problem. Oh well, bisect would not be fun, 
> > > > anyway...
> > > 
> > > I am still seeing the problem with 3.16-rc2.
> > 
> > I'm confused now. Is the bisect result
> > 
> > commit 773875bfb6737982903c42d1ee88cf60af80089c
> > Author: Daniel Vetter <daniel.vetter@ffwll.ch>
> > Date:   Mon Jan 27 10:00:30 2014 +0100
> > 
> >     drm/i915: Don't set the 8to6 dither flag when not scaling
> > 
> > now the culprit or not? Or do we have 2 different bugs at hand here?
> 
> Three different issues, it seems. Two ring initialization problems,
> one went away in 3.16 (for me), second did not (suspend for jikos),
> third -- trivial issue with 8to6 dither.

That's correct assesment.

The ring initialization failure I reported is still there.

-- 
Jiri Kosina
SUSE Labs
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