From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nigel Cunningham Subject: Re: [PATCH] s3_bios and lcall $0xc000,$3 Date: Tue, 18 Feb 2003 14:42:43 +1300 Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Message-ID: <1045532563.2161.9.camel@laptop-linux.cunninghams> References: <20030217171610.GC25625@poup.poupinou.org> <1045505626.5596.20.camel@laptop-linux.cunninghams> <20030217235512.GA7372@atrey.karlin.mff.cuni.cz> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: In-reply-to: <20030217235512.GA7372-jyMamyUUXNJG4ohzP4jBZS1Fcj925eT/@public.gmane.org> Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: To: Pavel Machek Cc: Ducrot Bruno , Bjorn Wesen , ACPI mailing list List-Id: linux-acpi@vger.kernel.org I'm talking about S3 (sorry typo before when I said S4==S5) - if I've read the specs right (and experience does match this), the i830 video card looses all state when switched to S3. Regards, Nigel On Tue, 2003-02-18 at 12:55, Pavel Machek wrote: > Hi! > > > > Pavel, really, we need to provide a better way to reinitialize > > > the VGA subsystem. > > > > And you need to make no assumptions about the state - on an i830 (and > > others, no doubt), S4 == S5 for the video subsystem. > > Are we talking swsusp here? No, subject says S3. So you have typo > there? > > Anyway going without assumptions is pretty hard, as it requires > in-kernel support for all the video cards. And that's hard. [Power-on > initialization of cards is different; you have to setup memory timings > etc.] > > Pavel ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf