From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Widawsky Subject: Re: [PATCH] drm/i915: small semaphore fix Date: Thu, 1 Sep 2011 19:51:11 -0700 Message-ID: <20110901195111.0b338102@bwidawsk.net> References: <1314820042-6169-1-git-send-email-ben@bwidawsk.net> <87wrdsb0o4.fsf@eliezer.anholt.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from cloud01.chad-versace.us (184-106-247-128.static.cloud-ips.com [184.106.247.128]) by gabe.freedesktop.org (Postfix) with ESMTP id D3F2A9E848 for ; Thu, 1 Sep 2011 19:51:14 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by cloud01.chad-versace.us (Postfix) with ESMTP id D54401D41C4 for ; Fri, 2 Sep 2011 02:54:29 +0000 (UTC) Received: from cloud01.chad-versace.us ([127.0.0.1]) by localhost (cloud01.static.cloud-ips.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id uWYGdF4hfHIC for ; Fri, 2 Sep 2011 02:54:06 +0000 (UTC) Received: from bwidawsk.net (static-50-53-41-91.bvtn.or.frontiernet.net [50.53.41.91]) by cloud01.chad-versace.us (Postfix) with ESMTPSA id 01C561D4094 for ; Fri, 2 Sep 2011 02:54:02 +0000 (UTC) In-Reply-To: <87wrdsb0o4.fsf@eliezer.anholt.net> 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: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On Thu, 01 Sep 2011 11:03:07 -0700 Eric Anholt wrote: > On Wed, 31 Aug 2011 12:47:22 -0700, Ben Widawsky > wrote: > > Assertion + unsigned helps catch potential issues. > > > > From the docs it is hard to tell if the global GTT flag is actually > > needed, but it shouldn't hurt. > > We're updating a register, not the GTT, so I don't see why the flag > would be relevant. The patch is as (ir)relevant as without it which implies PPGTT. The reason it was there is in another branch I was planning to implement memory based semaphores. I have the refactor patch coming soon, should probably ignore this.