Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267882AbUJONpS (ORCPT ); Fri, 15 Oct 2004 09:45:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267798AbUJONoB (ORCPT ); Fri, 15 Oct 2004 09:44:01 -0400 Received: from hirsch.in-berlin.de ([192.109.42.6]:3546 "EHLO hirsch.in-berlin.de") by vger.kernel.org with ESMTP id S267776AbUJONki (ORCPT ); Fri, 15 Oct 2004 09:40:38 -0400 X-Envelope-From: kraxel@bytesex.org To: linux-fbdev-devel@lists.sourceforge.net Cc: Linux Kernel Development , penguinppc-team@lists.penguinppc.org Subject: Re: [Linux-fbdev-devel] Generic VESA framebuffer driver and Video card BOOT? References: <416E6ADC.3007.294DF20D@localhost> <87d5zkqj8h.fsf@bytesex.org> From: Gerd Knorr Organization: SUSE Labs, Berlin Date: 15 Oct 2004 15:13:13 +0200 In-Reply-To: Message-ID: <87y8i8p1jq.fsf@bytesex.org> User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1110 Lines: 22 Geert Uytterhoeven writes: > On Fri, 15 Oct 2004, Gerd Knorr wrote: > > Have you talked to the powermanagement guys btw.? One of the major > > issues with suspend-to-ram is to get the graphics card back online, > > and SNAPBoot might help to fix this too. I'm not sure a userspace > > solution would work for *that* through. > > Why not? Of course you won't get any output before the graphics card has been > re-initialized to a sane and usable state... You have a application running which uses the framebuffer device, then suspend with that app running. You'll have to restore the state of the device _before_ restarting all the userspace proccesses, otherwise the app will not be very happy. I'm not sure if the kernel can run a userspace helper in that situation (i.e. before waking all the processes). Gerd -- return -ENOSIG; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/