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From: Daniel Vetter <daniel@ffwll.ch>
To: Krzysztof Mazur <krzysiek@podlesie.net>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>, intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH] i915: ensure that VGA plane is disabled
Date: Wed, 19 Dec 2012 12:40:01 +0100	[thread overview]
Message-ID: <20121219114001.GD5737@phenom.ffwll.local> (raw)
In-Reply-To: <1355911421-2566-1-git-send-email-krzysiek@podlesie.net>

On Wed, Dec 19, 2012 at 11:03:41AM +0100, Krzysztof Mazur wrote:
> Some broken systems (like HP nc6120) in some cases, usually after LID
> close/open, enable VGA plane, making display unusable (black screen on LVDS,
> some strange mode on VGA output). We used to disable VGA plane only once at
> startup. Now we also check, if VGA plane is still disabled while changing
> mode, and fix that if something changed it.
> 
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=57434
> Signed-off-by: Krzysztof Mazur <krzysiek@podlesie.net>

*insert laments about BIOSen doing horrible things*

Thanks a lot for digging into this and coming up with the patch, merged to
-fixes for 3.8 with a cc: stable, so should show up reasonable quickly in
a stable kernel near you.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch

      reply	other threads:[~2012-12-19 11:38 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-19 10:03 [PATCH] i915: ensure that VGA plane is disabled Krzysztof Mazur
2012-12-19 11:40 ` Daniel Vetter [this message]

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