On Thu, 24 Apr 2014, Daniel Vetter <daniel.vetter@xxxxxxxx> wrote: > The status bits are unconditionally set, the control bits only enable > the actual interrupt generation. Which means if we get some random > other interrupts we'll bogusly complain about them. > > So restrict the WARN to platforms with a sane hotplug interrupt > handling scheme. And even more important also don't attempt to process > the hpd bit since we've detected a storm already. Instead just clear > the bit silently. > > This WARN has been introduced in > > commit b8f102e8bf71cacf33326360fdf9dcfd1a63925b > Author: Egbert Eich <eich@xxxxxxx> > Date: Fri Jul 26 14:14:24 2013 +0200 > > drm/i915: Add messages useful for HPD storm detection debugging (v2) > > before that we silently handled the hpd event and so partially > defeated the storm detection. > > v2: Pimp commit message (Jani) > > Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx> > Cc: Egbert Eich <eich@xxxxxxx> > Cc: bitlord <bitlord0xff@xxxxxxxxx> > Reported-by: bitlord <bitlord0xff@xxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx> Pushed to -fixes, thanks for the patch. BR, Jani. -- Jani Nikula, Intel Open Source Technology Center -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html