On Mon, 1 Sep 2014, Daniel Vetter wrote:
> > From d407c946fbf5c48f30160591f5bd71fbe158aeb4 Mon Sep 17 00:00:00 2001
> > From: Dave Airlie <airlied@xxxxxxxxxx>
> > Date: Mon, 1 Sep 2014 16:58:12 +1000
> > Subject: [PATCH] drm/i915: handle G45/GM45 pulse detection connected state.
> >
> > In the HPD pulse handler we check for long pulses if the port is actually
> > connected, however we do that for IBX, but we use the pulse handling code on
> > GM45 systems as well, so we need to use a diffent check.
> >
> > This patch refactors the digital port connected check out of the g4x detection
> > path and reuses it in the hpd pulse path.
> >
> > Should fix:
> > Message-ID: <1409382202.5141.36.camel@xxxxxxxxxxxxxxxxx>
> >
> > Reported-by: Mike Galbraith <umgwanakikbuti@xxxxxxxxx>
> > Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
>
> Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
I was just about to start bisecting, as my thinkpad x200s with Gen4 chip
wouldn't ocassionally boot with -rc3, but this patch seems to be the cure
for me as well.
FWIW
Tested-by: Jiri Kosina <jkosina@xxxxxxx>
--
Jiri Kosina
SUSE Labs
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