From mboxrd@z Thu Jan 1 00:00:00 1970 From: Knut Petersen Subject: Re: Performance regression, please revert commit 441ef916ae6569c88b3d6abaf7fea4d69be49d76 Date: Sun, 13 Jan 2013 17:42:33 +0100 Message-ID: <50F2E3F9.9080507@t-online.de> References: <50F287E2.9030709@t-online.de> <84c8a8$7ah4gd@orsmga001.jf.intel.com> <50F28E07.4080707@t-online.de> <84c8a8$7aharo@orsmga001.jf.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: Received: from mailout02.t-online.de (mailout02.t-online.de [194.25.134.17]) by gabe.freedesktop.org (Postfix) with ESMTP id 9545CE5F12 for ; Sun, 13 Jan 2013 08:42:37 -0800 (PST) In-Reply-To: <84c8a8$7aharo@orsmga001.jf.intel.com> 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: Chris Wilson Cc: intel-gfx List-Id: intel-gfx@lists.freedesktop.org On 13.01.2013 11:50, Chris Wilson wrote: > On Sun, 13 Jan 2013 11:35:51 +0100, Knut Petersen wrote: >> On 13.01.2013 11:23, Chris Wilson wrote: >>> On Sun, 13 Jan 2013 11:09:38 +0100, Knut Petersen wrote: >>>> There is a massive performance regression on i915GM hardware, >>>> opening/closing/redrawing looks as if it is done in slow motion. >>> gen2/3 benefits from it after applying the bugfix to libdrm. >>> -Chris >>> >> Which bugfix? > https://patchwork.kernel.org/patch/1963391/ > > commit fdda97007b1dbf95beb16a0e3510fd36c89e8c33 > Author: Chris Wilson > Date: Fri Jan 11 00:55:12 2013 +0000 > > intel: Remove the fence count contributions when clearing relocs > -Chris > Thanks, that indeed helps. cu, Knut