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Date: Thu, 11 Feb 2016 09:21:05 +0100
From: Daniel Vetter <daniel@ffwll.ch>
To: Oleksandr Natalenko <oleksandr@natalenko.name>
Cc: Daniel Vetter <daniel.vetter@intel.com>, intel-gfx@lists.freedesktop.org,
        dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
        Daniel Vetter <daniel.vetter@ffwll.ch>,
        Ville =?iso-8859-1?Q?Syrj=E4l=E4?= 
	<ville.syrjala@linux.intel.com>
Subject: Re: [REGRESSION] i915: No HDMI output with 4.4
Message-ID: <20160211082105.GC11240@phenom.ffwll.local>
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On Thu, Feb 11, 2016 at 09:45:17AM +0200, Oleksandr Natalenko wrote:
> Daniel,
> 
> I do confirm that this hacky patch:
> 
> https://lkml.org/lkml/2016/1/19/637
> 
> works around my issue. I understand that this is improper fix, so let me
> know how could I debug my issue further.

Please boot with drm.debug=0xe and attach the dmesg. Also please test the
patch later on in this thread:

https://lkml.org/lkml/2016/2/9/587

Ville is working on a proper fix for this specific case. But could be that
you're hitting yet another issue.

Thanks, Daniel

> 
> Thanks.
> 
> 09.02.2016 12:11, Daniel Vetter wrote:
> >Can you please retest with latest -rc? There's been some bugs in the HDMI
> >detection changes, which should be fixed now.
> >
> >If that doesn't help please try to bisect which exact change caused the
> >regression.
> >
> >Thanks, Daniel

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch