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

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Message-ID: <4a6e01cc374f7a120b5baab7b41f1951@natalenko.name>
Date:	Thu, 11 Feb 2016 10:54:08 +0200
From:	Oleksandr Natalenko <oleksandr@...alenko.name>
To:	Daniel Vetter <daniel.vetter@...el.com>
Cc:	intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	Ville Syrjälä <ville.syrjala@...ux.intel.com>
Subject: Re: [REGRESSION] i915: No HDMI output with 4.4

Daniel,

I've already tried Ville's patch you've mentioned with no luck.

Kindly find unpatched v4.5-rc3 dmesg with drm debug enabled here: [1]

[1] https://gist.github.com/efb44b7c6bc325978b80

11.02.2016 10:21, Daniel Vetter wrote:
> 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.