linux-kernel - Re: [REGRESSION] i915: No HDMI output with 4.4

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Date:	Wed, 24 Feb 2016 16:09:49 +0200
From:	Oleksandr Natalenko <oleksandr@...alenko.name>
To:	Ville Syrjälä <ville.syrjala@...ux.intel.com>
Cc:	Daniel Vetter <daniel.vetter@...el.com>,
	intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	Sonika Jindal <sonika.jindal@...el.com>,
	Shashank Sharma <shashank.sharma@...el.com>,
	Gary Wang <gary.c.wang@...el.com>
Subject: Re: [REGRESSION] i915: No HDMI output with 4.4

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.