From mboxrd@z Thu Jan 1 00:00:00 1970 From: Aman Gupta Subject: Re: Radeon S3/resume: VGA ROM POST from kernel Date: Mon, 19 Jul 2004 21:29:10 +0100 Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Message-ID: References: <200407191938.17104.stefandoesinger@gmx.at> Reply-To: aman-e31a5gnSYeGubukWoKzokaxOck334EZe@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <200407191938.17104.stefandoesinger-RbZlAiThDcE@public.gmane.org> Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: stefandoesinger-RbZlAiThDcE@public.gmane.org Cc: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, ole.rohne-vJEk5272eHo@public.gmane.org, aman-e31a5gnSYeGubukWoKzokaxOck334EZe@public.gmane.org, emmanuel.thome-/zGXu1G9BXs@public.gmane.org, software-v2/BnvaKusE@public.gmane.org List-Id: linux-acpi@vger.kernel.org Haven't tried it yet, but I was having problems just doing basic suspend/resume with 2.6.8-rcX as well. After a resume with an unpatched kernel I was unable to get the machine to respond to commands to reboot the VGA bios or spin the harddrive. Something changed between .7 and .8 but I'm not sure what - its not in the radeon specific code since I didn't have that loaded in the kernel. Aman Gupta On Mon, 19 Jul 2004 19:38:16 +0200, Stefan D=F6singer wrote: > Hello, > > I've implemented VGA POSTing using a real-mode tunnel from kernel > > space. IMO, this has some advantages over user space methods: > Great!!!! > For some reason, it doesn't work for me(Kernel 2.6.8-rc2). I cleaned up m= y > source directory and I'll try again with a clean build again. If it doesn= 't > work I'll try 2.6.7. >=20 > Do I need any other patches? >=20 > > 1. It works with the aty/radeon_pm.c resume code. I don't see how to > > easily achieve this with user space methods. > Do you have radeonfb and fbcon loaded(or compiled into the kernel)? >=20 > > 2. Real mode seems faster than userspace vm86 >=20 > > 3. It is the right way. Bringing up the hardware is clearly the > > responsibility of the kernel/drivers resume code. > Agreed. Someone wrote that this reset can't be performed by kernel code. >=20 > This is really great, and as soon as it works for me I'll upload it to my > website. >=20 > Cheers, > Stefan > ------------------------------------------------------- This SF.Net email is sponsored by BEA Weblogic Workshop FREE Java Enterprise J2EE developer tools! Get your free copy of BEA WebLogic Workshop 8.1 today. http://ads.osdn.com/?ad_id=4721&alloc_id=10040&op=click