From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bruno Ducrot Subject: Re: New insights about video module! Need help,please. Date: Mon, 7 Mar 2005 18:50:27 +0100 Message-ID: <20050307175027.GD31985@poupinou.org> References: <42236037.1010102@gmx.net> <20050301183733.GF17731@poupinou.org> <422865BF.6090509@gmx.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <422865BF.6090509-hi6Y0CQ0nG0@public.gmane.org> Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: "Tommy Ch." Cc: acpi-devel List-Id: linux-acpi@vger.kernel.org On Fri, Mar 04, 2005 at 02:42:23PM +0100, Tommy Ch. wrote: > Bruno Ducrot wrote: > >There are _PS0, _PS3 and _PCS methods. I'm not sure if those methods are > >supported under linux-2.6.10 (or any other version of Linux, btw). > > > >I think you should try to call the \_SB_.PCI0.PCI1.VGA_._PS0 method > >somewhere. > > > >Add a line like this one: > > acpi_evaluate_object(NULL, "\\_SB_.PCI0.PCI1.VGA_._PS0", NULL, NULL); > > > >in function acpi_video_bus_add() > > > >Something like this: > > > >before: > > if (!device) > > return_VALUE(-EINVAL); > > > > video = kmalloc(sizeof(struct acpi_video_bus), GFP_KERNEL); > > > >after: > > if (!device) > > return_VALUE(-EINVAL); > > > > acpi_evaluate_object(NULL, "\\_SB_.PCI0.PCI1.VGA_._PS0", NULL, NULL); > > video = kmalloc(sizeof(struct acpi_video_bus), GFP_KERNEL); > > > >Of course, its ugly, but its only to test if _PS0 is supported or not by > >linux. > > OK, it compiled cleanly. After loading the module dmesg said: > ACPI: Video Device [VGA] (multi-head: yes rom: yes post: no) > > Nothing else I could observe. Should I do any other tests? > You are sure that echo 0x80000001 > /proc/acpi/video/VGA/TV/state still dont work even with that hack? Well, I don't have other ideas. I'm sorry. -- Bruno Ducrot -- Which is worse: ignorance or apathy? -- Don't know. Don't care. ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click