From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: Performance regression, please revert commit 441ef916ae6569c88b3d6abaf7fea4d69be49d76 Date: Sun, 13 Jan 2013 10:50:22 +0000 Message-ID: <84c8a8$7aharo@orsmga001.jf.intel.com> References: <50F287E2.9030709@t-online.de> <84c8a8$7ah4gd@orsmga001.jf.intel.com> <50F28E07.4080707@t-online.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id EC772E5D13 for ; Sun, 13 Jan 2013 02:50:27 -0800 (PST) In-Reply-To: <50F28E07.4080707@t-online.de> 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: Knut Petersen Cc: intel-gfx List-Id: intel-gfx@lists.freedesktop.org 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 -- Chris Wilson, Intel Open Source Technology Centre