From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: ironlake wierdness bisection result Date: Wed, 19 Sep 2012 09:36:06 +0200 Message-ID: <20120919073606.GC1676@bremse> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-qc0-f177.google.com (mail-qc0-f177.google.com [209.85.216.177]) by gabe.freedesktop.org (Postfix) with ESMTP id 9B3849F729 for ; Wed, 19 Sep 2012 00:36:11 -0700 (PDT) Received: by qcsu28 with SMTP id u28so608459qcs.36 for ; Wed, 19 Sep 2012 00:36:11 -0700 (PDT) Content-Disposition: inline In-Reply-To: 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: Dave Airlie Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On Tue, Sep 18, 2012 at 04:58:52PM +1000, Dave Airlie wrote: > On Tue, Sep 18, 2012 at 4:43 PM, Dave Airlie wrote: > > Okay I spent today bisecting this and although I'm not 100% sure I got > > it right the whole way down, I think where I landed seems sane, so I > > said I'd share > > > > This seems to cause the blank rendering zones people have been reporting. > > Though I'm of course having trouble reproducing the pain now, so it > might all be lies, > > but hey its a better starting point than none, any way it could make > sense to be this commit? Well, if we presume that something went wrong with relocs, the only thing this patch might affect is gtt placement. But userspace shouldn't take this path at all (at least if you're running anything remotely new). So I really can't see what's going on here and how this changes things ... -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch