From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt Subject: Re: Fwd: [Suspend-devel] resume not working on acer ferrari 4005 with radeonfb enabled Date: Sat, 18 Nov 2006 08:57:55 +1100 Message-ID: <1163800675.5826.19.camel@localhost.localdomain> References: <200611151109.06956.rjw@sisk.pl> <200611162317.30880.chrmhoffmann@gmail.com> <200611162344.41622.rjw@sisk.pl> <20061117052755.GA23831@shaftnet.org> <1163744220.5940.443.camel@localhost.localdomain> <20061117143658.GB5158@shaftnet.org> Reply-To: linux-fbdev-devel@lists.sourceforge.net Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list1-new.sourceforge.net with esmtp (Exim 4.43) id 1GlBiV-0002xo-Oe for linux-fbdev-devel@lists.sourceforge.net; Fri, 17 Nov 2006 13:57:47 -0800 Received: from gate.crashing.org ([63.228.1.57] ident=[U2FsdGVkX1+9SnzIbAmBRjOgtHgYPHO7AkD4PWwWetE=]) by mail.sourceforge.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.44) id 1GlBiT-00039Y-G6 for linux-fbdev-devel@lists.sourceforge.net; Fri, 17 Nov 2006 13:57:47 -0800 In-Reply-To: <20061117143658.GB5158@shaftnet.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-fbdev-devel-bounces@lists.sourceforge.net Errors-To: linux-fbdev-devel-bounces@lists.sourceforge.net To: Stuffed Crust Cc: Andrew Morton , linux-fbdev-devel@lists.sourceforge.net, Christian Hoffmann , LKML , Pavel Machek > If I understand what you're saying correctly, if we re-write a valid set > of pci registers, we'll trash the radeon state? Why _wouldn't_ a D3 > resume be trashed? No, we determine in advance what we support. On resume, we don't want to do a full reset of the chip if it was not powered down. (Among others, this isn't tested and we might not be doing it properly from a non poweron-reset state). Ben. ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755948AbWKQV6U (ORCPT ); Fri, 17 Nov 2006 16:58:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755956AbWKQV6U (ORCPT ); Fri, 17 Nov 2006 16:58:20 -0500 Received: from gate.crashing.org ([63.228.1.57]:27817 "EHLO gate.crashing.org") by vger.kernel.org with ESMTP id S1755948AbWKQV6T (ORCPT ); Fri, 17 Nov 2006 16:58:19 -0500 Subject: Re: [Linux-fbdev-devel] Fwd: [Suspend-devel] resume not working on acer ferrari 4005 with radeonfb enabled From: Benjamin Herrenschmidt To: Stuffed Crust Cc: linux-fbdev-devel@lists.sourceforge.net, Christian Hoffmann , Andrew Morton , Christian Hoffmann , LKML , Pavel Machek In-Reply-To: <20061117143658.GB5158@shaftnet.org> References: <200611151109.06956.rjw@sisk.pl> <200611162317.30880.chrmhoffmann@gmail.com> <200611162344.41622.rjw@sisk.pl> <20061117052755.GA23831@shaftnet.org> <1163744220.5940.443.camel@localhost.localdomain> <20061117143658.GB5158@shaftnet.org> Content-Type: text/plain Date: Sat, 18 Nov 2006 08:57:55 +1100 Message-Id: <1163800675.5826.19.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.8.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > If I understand what you're saying correctly, if we re-write a valid set > of pci registers, we'll trash the radeon state? Why _wouldn't_ a D3 > resume be trashed? No, we determine in advance what we support. On resume, we don't want to do a full reset of the chip if it was not powered down. (Among others, this isn't tested and we might not be doing it properly from a non poweron-reset state). Ben.