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

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Message-ID: <CAKMK7uE=Wr95XM85XVS1nT_8cV4e1Z_SubSVjQyP8BuLz-bTQg@mail.gmail.com>
Date:	Mon, 2 Dec 2013 15:23:30 +0100
From:	Daniel Vetter <daniel.vetter@...ll.ch>
To:	Paul Bolle <pebolle@...cali.nl>
Cc:	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 2, 2013 at 10:53 AM, Paul Bolle <pebolle@...cali.nl> wrote:
> On Mon, 2013-12-02 at 08:33 +0100, Daniel Vetter wrote:
>> On Sun, Dec 1, 2013 at 5:57 PM, Paul Bolle <pebolle@...cali.nl> wrote:
>> > The WARNING is now gone during suspend and resume (having tested that
>> > thoroughly - ie, twice). But I still see it at boot. Is there a related
>> > fix for that WARNING during boot?
>>
>> Hm, I've never seen it during boot. Can you please boot with
>> drm.debug=0xe and attach the dmesg with the WARN?
>
> Sure.
>
> 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.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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