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[Qemu-devel] Re: [Bochs-developers] [PATCH v3 6/6] Don't power down vga


From: Sebastian Herbszt
Subject: [Qemu-devel] Re: [Bochs-developers] [PATCH v3 6/6] Don't power down vga card onentering S3 state.
Date: Mon, 10 Nov 2008 21:25:02 +0100

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 <address@hidden>
---

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





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