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From: "Sebastian Herbszt" <herbszt@gmx.de>
References: <20081110091134.11822.34230.stgit@dhcp-1-237.local>
	<20081110091205.11822.10344.stgit@dhcp-1-237.local>
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Date: Mon, 10 Nov 2008 21:25:02 +0100
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Subject: [Qemu-devel] Re: [Bochs-developers] [PATCH v3 6/6] Don't power down
	vga card onentering S3 state.
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To: Gleb Natapov <gleb@redhat.com>, bochs-developers@lists.sourceforge.net
Cc: qemu-devel@nongnu.org

Gleb Natapov wrote:
> This is needed to fool windows to enter S3. The trick works for XP and
> Windows2003, but Vista still refuse to allow S3.
> 
> Signed-off-by: Gleb Natapov <gleb@redhat.com>
> ---
> 
> bios/acpi-dsdt.dsl |   15 ++
> bios/acpi-dsdt.hex |  373 ++++++++++++++++++++++++++--------------------------
> 2 files changed, 204 insertions(+), 184 deletions(-)
> 
> diff --git a/bios/acpi-dsdt.dsl b/bios/acpi-dsdt.dsl
> index 280a05e..5fc3636 100644
> --- a/bios/acpi-dsdt.dsl
> +++ b/bios/acpi-dsdt.dsl
> @@ -133,6 +133,21 @@ DefinitionBlock (
>     }
> 
>     Scope(\_SB.PCI0) {
> +        Device (VGA) {
> +                 Name (_ADR, 0x00020000)
> +                 Method (_S1D, 0, NotSerialized)
> +                 {
> +                         Return (0x00)
> +                 }
> +                 Method (_S2D, 0, NotSerialized)
> +                 {
> +                         Return (0x00)
> +                 }
> +                 Method (_S3D, 0, NotSerialized)
> +                 {
> +                         Return (0x00)
> +                 }
> +        }

Which vga card does need this? std, cirrus, vmware?

- Sebastian