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From: Daniel Vetter <daniel@ffwll.ch>
To: Zdenek Kabelac <zdenek.kabelac@gmail.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	intel-gfx@lists.freedesktop.org, daniel@ffwll.ch
Subject: Re: Regression on GMA965 - display seems to have slow jump changes in brightness
Date: Tue, 22 May 2012 14:30:58 +0200	[thread overview]
Message-ID: <20120522123058.GB4629@phenom.ffwll.local> (raw)
In-Reply-To: <CAJJYPd=JQdzepw818ZP6OmKK4v38--T+ruKBOG_wn2pUmnVaSw@mail.gmail.com>

On Tue, May 22, 2012 at 02:08:46PM +0200, Zdenek Kabelac wrote:
> Hi
> 
> I've updated to 3.4 kernel, and now I'm noticing slight changes in
> brightness on colorful images.
> It seems the change is mostly visibly on  'darker' images i.e. it's
> not really visible on white background.
> 
> When I reboot back to 3.3  kernel - brightness changes are gone - so I
> do not suspect hw fault of my T61 display.
> I guess once in past there has been already such bug, so this problem
> seems to me like reintroducing the same
> problem again.
> 
> xorg-x11-server-Xorg-1.12.1-1.fc18.x86_64
> with SNA intel driver build from git repo.
> T61, 965GM
> 
> Is this a know issue ?
> Is bisect needed ?

You're the first one to report things, so a bisect would be highly
appreciated. Also I'm a bit confused about what you mean by 'changing
brightness'. Can you please try to explain this a bit more?

Thanks, Daniel
-- 
Daniel Vetter
Mail: daniel@ffwll.ch
Mobile: +41 (0)79 365 57 48

  reply	other threads:[~2012-05-22 12:30 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-22 12:08 Regression on GMA965 - display seems to have slow jump changes in brightness Zdenek Kabelac
2012-05-22 12:30 ` Daniel Vetter [this message]
2012-05-22 14:36   ` Zdenek Kabelac
2012-05-22 14:44     ` Daniel Vetter
2012-05-22 14:55       ` Zdenek Kabelac
2012-05-22 22:15         ` Zdenek Kabelac
2012-05-22 22:21           ` Sean Paul
2012-05-23  6:49             ` Daniel Vetter
2012-05-23  6:59             ` Zdenek Kabelac
2012-05-23  7:07               ` Daniel Vetter
2012-05-23  9:11                 ` Daniel Vetter
2012-05-23 11:48                   ` Zdenek Kabelac
2012-05-23 12:03                     ` [Intel-gfx] " Daniel Vetter
2012-05-24 14:21                       ` Zdenek Kabelac
2012-05-24 14:41                         ` Daniel Vetter
2012-05-23  8:59               ` Chris Wilson

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