Find bugs in i915 driver

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On Tue, Aug 21, 2012 at 09:20:37AM +0200, Daniel Vetter wrote:
> On Mon, Aug 13, 2012 at 08:07:43AM +0000, Xu, Anhua wrote:
> > Hi, Paul
> > 
> > Thanks for your advice. I update my patch. Please review, for your question, please see my reply below. 
> > 
> > From d11080eda81c0503b5035ea40667b06fe2ee0fb5 Mon Sep 17 00:00:00 2001
> > From: Anhua Xu <anhua.xu at intel.com>
> > Date: Tue, 31 Jul 2012 17:16:50 +0800
> > Subject: [PATCH v3] drm/i915: fix wrong order of parameters in port checking functions
> > 
> > Wrong order of parameters passed-in when calling hdmi/adpa
> > /lvds_pipe_enabled(), 2nd and 3rd parameters are reversed.
> > This bug was indroduced by below commit:
> > 
> > commit 1519b9956eb4b4180fa3f47c73341463cdcfaa37
> > Author: Keith Packard <keithp at keithp.com>
> > Date:   Sat Aug 6 10:35:34 2011 -0700
> > 
> >     drm/i915: Fix PCH port pipe select in CPT disable paths
> > 
> > The reachable tag for this commit is v3.1-rc1-3-g1519b99
> > 
> > Signed-off-by: Anhua Xu <anhua.xu at intel.com>
> > Acked-by: Paul Menzel <paulepanter at users.sourceforge.net>
> 
> I've just remembered that we have a bug report that bisects to the above
> commit:
> 
> https://bugs.freedesktop.org/show_bug.cgi?id=44876

And this does indeeed fix the bug! I've moved the patch to -fixes, with cc
stable added.
-Daniel
-- 
Daniel Vetter
Mail: daniel at ffwll.ch
Mobile: +41 (0)79 365 57 48


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