Re: New insights about video module! Need help,please.

[Bruno Ducrot <ducrot-kk6yZipjEM5g9hUCZPvPmw@public.gmane.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.


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