From mboxrd@z Thu Jan  1 00:00:00 1970
From: Daniel Vetter <daniel@ffwll.ch>
Subject: Re: [PATCH] drm/i915: disable sdvo hotplug on i945g/gm
Date: Sat, 5 May 2012 19:57:59 +0200
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Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
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On Sat, May 05, 2012 at 02:45:29PM +0200, Daniel Vetter wrote:
> On Fri, May 04, 2012 at 11:29:56AM +0200, Daniel Vetter wrote:
> > Chris Wilson dug out a hw erratum saying that there's noise on the
> > interrupt line on i945G chips. We also have a bug report from a i945GM
> > chip with an sdvo hotplug interrupt storm (and no apparent cause).
> > =

> > Play it safe and disable sdvo hotplug on all i945 variants.
> > =

> > Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=3D38442
> > Reported-and-tested-by: Dominik K=F6ppl <dominik@devwork.org>
> > Cc: Chris Wilson <chris@chris-wilson.co.uk>
> > Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
> =

> I've just realized that this is a regression that has been introduced in
> 3.1, when we've enabled sdvo hotplug support with
> =

> commit cc68c81aed7d892deaf12d720d5455208e94cd0a                          =
                                                            =

> Author: Simon Farnsworth <simon.farnsworth@onelan.co.uk>                 =
                                                            =

> Date:   Wed Sep 21 17:13:30 2011 +0100                                   =
                                                            =

>                                                                          =
                                                            =

>     drm/i915: Enable SDVO hotplug interrupts for HDMI and DVI
> =

> Cc: stable@kernel.org

I've merged this patch to -fixes with Chris' irc r-b added.
-Daniel
-- =

Daniel Vetter
Mail: daniel@ffwll.ch
Mobile: +41 (0)79 365 57 48