From mboxrd@z Thu Jan 1 00:00:00 1970 From: Egbert Eich Subject: Re: i915 irq storm mitigation in 3.10 Date: Thu, 25 Jul 2013 13:18:24 +0200 Message-ID: <20977.2432.66886.902459@linux-qknr.site> References: <2b828191fde71b2243f883e2dbb28d6d@hz6.de> <20130708200316.GG18285@phenom.ffwll.local> <20972.59257.635588.597578@linux-qknr.site> <20974.26726.659962.223064@linux-qknr.site> <20976.55523.670477.45248@linux-qknr.site> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by gabe.freedesktop.org (Postfix) with ESMTP id 0D446E5C1D for ; Thu, 25 Jul 2013 04:18:30 -0700 (PDT) In-Reply-To: daniel@ffwll.ch wrote on Thursday, 25 July 2013 at 11:58:25 +0200 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Daniel Vetter Cc: Egbert Eich , intel-gfx , Jan Niggemann List-Id: intel-gfx@lists.freedesktop.org Daniel Vetter writes: > > I've checked the docs again for gm45 and we seem to have the right > values. But on early gen4 (i.e. i965g/gm) the Bspec has been wrong > about these, so I wouldn't be surprised at all if they're wrong for > the digital ports on gm45, too. > > Iirc we've already had a case like that, but there was no real > conclusion (and atm I can't find the bug). Can you pls try the below > patch (on top of Egbert's debug stuff)? > If this doesn't help, lets disable all the digital ports together for testing. > > > Egbert I think your debug patch has fairly useful information for > debugging the storm code in general, can you please submit a patch > against drm-intel-nightly? > Will do :) Cheers, Egbert.