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Date: Wed, 24 Feb 2016 16:09:49 +0200
From: Oleksandr Natalenko <oleksandr@natalenko.name>
To: =?UTF-8?Q?Ville_Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
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>,
        Sonika Jindal <sonika.jindal@intel.com>,
        Shashank Sharma <shashank.sharma@intel.com>,
        Gary Wang <gary.c.wang@intel.com>
Subject: Re: [REGRESSION] i915: No HDMI output with 4.4
Organization: pf-kernel developing community
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23.02.2016 17:08, Ville Syrjälä написав:
> In the meantime I think as a workaround I think you could use
> something like video=HDMI-A-1:e on the kernel command line (not sure
> I got the connector name right for your system). I think that should
> result in the live status check to be skipped, at least when
> populating the mode list.

This definitely did the trick for me:

===
[  +0.000354] [drm] forcing HDMI-A-1 connector ON
===

And single-link cable works now.

> Might be a good idea to collect all the information here and put in a
> bug report (https://bugs.freedesktop.org/ -> DRI -> DRM/Intel) so that
> all the logs and such would be in one place.

OK.

Thanks,
   Oleksandr.