seabios-fix-resume-from-S3-with-QXL-device.patch

From 36e549edb845ced36471e501ad1f0b8a08725e51 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Mon, 14 Jun 2010 10:02:19 -0300
Subject: [PATCH] fix resume from S3 with QXL device

RH-Author: Gleb Natapov <gleb@redhat.com>
Message-id: <20100614100219.GD21797@redhat.com>
Patchwork-id: 9882
O-Subject: [PATCH SEABIOS RHEL6] fix resume from S3 with QXL device
Bugzilla: 603677
RH-Acked-by: Alex Williamson <alex.williamson@redhat.com>
RH-Acked-by: Jes Sorensen <Jes.Sorensen@redhat.com>
RH-Acked-by: Juan Quintela <quintela@redhat.com>

QXL device is powered down during S3, so tell this to a guest OS
in AML code.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
--
			Gleb.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
 src/acpi-dsdt.dsl |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/src/acpi-dsdt.dsl b/src/acpi-dsdt.dsl
index cc31112..6e4502b 100644
--- a/src/acpi-dsdt.dsl
+++ b/src/acpi-dsdt.dsl
@@ -219,6 +219,10 @@ DefinitionBlock (
     Scope(\_SB.PCI0) {
         Device (VGA) {
                  Name (_ADR, 0x00020000)
+                 OperationRegion(PCIC, PCI_Config, Zero, 0x4)
+                 Field(PCIC, DWordAcc, NoLock, Preserve) {
+                         VEND, 32
+                 } 
                  Method (_S1D, 0, NotSerialized)
                  {
                          Return (0x00)
@@ -229,7 +233,11 @@ DefinitionBlock (
                  }
                  Method (_S3D, 0, NotSerialized)
                  {
-                         Return (0x00)
+                         If (LEqual(VEND, 0x1001b36)) {
+                                 Return (0x03)           // QXL
+                         } Else {
+                                 Return (0x00)
+                         }
                  }
         }
 
-- 
1.7.0.3