From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: S3 wakeup code Date: Fri, 25 Jul 2003 17:31:10 +0200 Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Message-ID: <20030725153110.GD310@elf.ucw.cz> References: <20030725133800.GB668@laptop.6bone.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: To: David G Hamblen Cc: Mark Santcroos , "M. Warner Losh" , flo-BCn6idZOOBwdnm+yROfE0A@public.gmane.org, acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org Hi! > > > : S3 refrigerates everything and suspends, leaving the display white. > > > : Resuming turns the backlight off. I can retrieve the backlight with the > > > : LCD/CRT button. > > > > > > I've seen exactly the same problem under FreeBSD which has supported > > > S3 state for a long time. I've seen the problem going back at least 9 > > > months. > > > > This needs to be handled by the video driver afaik. > > I'm using the vesafb driver; I also tried with non-framebuffer VGA console > with the same behavior. I'm not running XF86 for these experiments. > Should I look into the vesafb code? I believe you need to use specific kernel fb driver, and write suspend/resume code for it :-(. Pavel -- When do you have a heart between your knees? [Johanka's followup: and *two* hearts?] ------------------------------------------------------- This SF.Net email sponsored by: Free pre-built ASP.NET sites including Data Reports, E-commerce, Portals, and Forums are available now. Download today and enter to win an XBOX or Visual Studio .NET. http://aspnet.click-url.com/go/psa00100003ave/direct;at.aspnet_072303_01/01