linux-kernel - Re: [i915] WARNING: [...] drivers/gpu/drm/i915/intel_display.c:9948 intel_get_pipe_from

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Message-ID: <20131203151935.GD27344@phenom.ffwll.local>
Date:	Tue, 3 Dec 2013 16:19:35 +0100
From:	Daniel Vetter <daniel@...ll.ch>
To:	Paul Bolle <pebolle@...cali.nl>
Cc:	Daniel Vetter <daniel.vetter@...ll.ch>,
	Ville Syrjälä 
	<ville.syrjala@...ux.intel.com>, David Airlie <airlied@...ux.ie>,
	intel-gfx <intel-gfx@...ts.freedesktop.org>,
	dri-devel <dri-devel@...ts.freedesktop.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [i915] WARNING: [...] drivers/gpu/drm/i915/intel_display.c:9948
 intel_get_pipe_from_connector

On Mon, Dec 02, 2013 at 07:05:25PM +0100, Paul Bolle wrote:
> On Mon, 2013-12-02 at 15:23 +0100, Daniel Vetter wrote:
> > On Mon, Dec 2, 2013 at 10:53 AM, Paul Bolle <pebolle@...cali.nl> wrote:
> > > This generated quite a bit of debug messages so I only copied the
> > > WARNING and the drm (related) messages immediately preceding it. Please
> > > feel free to prod again if that's insufficient.
> > 
> > Yeah, the beginning of the drm message would are wanted since I need
> > to know what exactly your hardware claims to support ;-)
> > 
> > But the backtrace confirms my first hunch for now ... Just want to
> > confirm before sending out a patch with commit message.
> 
> It seems Ville's patch ( https://lkml.org/lkml/2013/12/2/77 ) does the
> trick. Do you still need the additional info?

I'd like to confirm the actual cause (I suspect that we switch
pipes&planes around) for why you see this but other machines don't show
this to augment the commit message. But I've merged the fix already.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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