From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754321Ab0HALm4 (ORCPT ); Sun, 1 Aug 2010 07:42:56 -0400 Received: from einhorn.in-berlin.de ([192.109.42.8]:58103 "EHLO einhorn.in-berlin.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752328Ab0HALmz (ORCPT ); Sun, 1 Aug 2010 07:42:55 -0400 X-Envelope-From: stefanr@s5r6.in-berlin.de Message-ID: <4C555DA0.6020109@s5r6.in-berlin.de> Date: Sun, 01 Aug 2010 13:42:24 +0200 From: Stefan Richter User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.8.1.23) Gecko/20100627 SeaMonkey/1.1.18 MIME-Version: 1.0 To: Thomas Meyer CC: Linux Kernel Mailing List , Zou Nan hai , Xiang Hai hao , Eric Anholt , David Airlie , dri-devel@lists.freedesktop.org Subject: Re: 2.6.35-rc6+: i915: Bisected regression References: <201008011101.01429.thomas@m3y3r.de> In-Reply-To: <201008011101.01429.thomas@m3y3r.de> X-Enigmail-Version: 0.96.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Thomas Meyer wrote: > This commit makes suspend to ram unreliable for me: > > commit d1b851fc0d105caa6b6e3e7c92d2987dfb52cbe0 > Author: Zou Nan hai > Date: Fri May 21 09:08:57 2010 +0800 > > drm/i915: implement BSD ring buffer V2 > > The BSD (bit stream decoder) ring is used for accessing the BSD engine > which decodes video bitstream for H.264 and VC1 on G45+. It is > asynchronous with the render ring and has access to separate parts of > the GPU from it, though the render cache is coherent between the two. > > Signed-off-by: Zou Nan hai > Signed-off-by: Xiang Hai hao > Signed-off-by: Eric Anholt > > git revert didn't work on 2.6.35-rc6 so I just changed the HAS_BSD thing to: > > #define HAS_BSD(dev) (0) > > with this change applied suspend to ram is back to the reliability of 2.6.34.y > > with kind regards > thomas Added CCs. Thomas, on what hardware did you observe the regression? Is it suspend or resume that is unreliable? What are the particular symptoms --- does not suspend, crashes during suspend, crashes during resume...? -- Stefan Richter -=====-==-=- =--- ----= http://arcgraph.de/sr/