From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S270736AbTGUV0T (ORCPT ); Mon, 21 Jul 2003 17:26:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S270731AbTGUV0S (ORCPT ); Mon, 21 Jul 2003 17:26:18 -0400 Received: from mx1.redhat.com ([66.187.233.31]:51464 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S270729AbTGUVYc (ORCPT ); Mon, 21 Jul 2003 17:24:32 -0400 Message-ID: <3F1C5F05.5030903@kolumbus.fi> Date: Tue, 22 Jul 2003 00:45:41 +0300 From: =?ISO-8859-1?Q?Mika_Penttil=E4?= User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0.2) Gecko/20030208 Netscape/7.02 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Pavel Machek CC: linux-kernel@vger.redhat.com Subject: Re: swsusp / 2.6.0-test1 References: <1058805510.15585.7.camel@simulacron> <20030721193615.GB473@elf.ucw.cz> <3F1C5C26.10607@kolumbus.fi> <20030721213141.GF436@elf.ucw.cz> X-MIMETrack: Itemize by SMTP Server on marconi.hallinto.turkuamk.fi/TAMK(Release 5.0.8 |June 18, 2001) at 22.07.2003 00:40:53, Serialize by Router on notes.hallinto.turkuamk.fi/TAMK(Release 5.0.10 |March 22, 2002) at 22.07.2003 00:40:22, Serialize complete at 22.07.2003 00:40:22 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=us-ascii; format=flowed Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Pavel Machek wrote: >Hi! > > > >>>>swsusp is working fine, but mplayer >>>>in sdl and xv output mode displays a blank >>>>screen after a resume. >>>> >>>> >>>> >>>You probably need to write suspend/resume support for your card. >>> >>> >>> >>Just wondering what kind of support for suspend/resume is "enough", say >>for video cards? Surely not the pci configuration space, you need to >>restore video mode, color maps, gfx engine state etc etc...what about >>frame buffer contents on card? Probably yes. Sounds like a lot of code, >>and different thing for every possible video card. Is there some general >>guidance here? Is drivers/video soon bloating with tons of >>suspend/resume code? I hope I am wrong :) >> >> > >I'm not sure if you are wrong. If you switch to non-graphics console, >that may save some code, but... > > > ah ok, so at this stage swsuspending a X desktop doesn't work in general case, of course depending on video hardware? If X had some notion of suspend/resume things would be easier, than insisting every single driver save and restore all. After all the pci config space should be enough for kernel drivers? >BTW vger.redhat.com, what is that? > Pavel > Don't know, just did reply all and seems to work :) --Mika