From 5722005baa03df51b9376f05274981524e513d93 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Thu, 2 Mar 2023 12:01:36 +0100
Subject: [PATCH] OvmfPkg: disable dynamic mmio window (rhel only)

RH-Author: Gerd Hoffmann <kraxel@redhat.com>
RH-MergeRequest: 29: OvmfPkg: disable dynamic mmio window (rhel only)
RH-Bugzilla: 2174605
RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
RH-Commit: [1/1] a1faf2d01025e5f5be7dbc29af1b0b57631d6230 (kraxel/centos-edk2)

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 OvmfPkg/Library/PlatformInitLib/MemDetect.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/OvmfPkg/Library/PlatformInitLib/MemDetect.c b/OvmfPkg/Library/PlatformInitLib/MemDetect.c
index b8feae4309..55e02417e4 100644
--- a/OvmfPkg/Library/PlatformInitLib/MemDetect.c
+++ b/OvmfPkg/Library/PlatformInitLib/MemDetect.c
@@ -617,7 +617,8 @@ PlatformDynamicMmioWindow (
   AddrSpace = LShiftU64 (1, PlatformInfoHob->PhysMemAddressWidth);
   MmioSpace = LShiftU64 (1, PlatformInfoHob->PhysMemAddressWidth - 3);
 
-  if ((PlatformInfoHob->PcdPciMmio64Size < MmioSpace) &&
+  if (FALSE /* disable for RHEL-9.2, libvirt is not ready yet */ &&
+      (PlatformInfoHob->PcdPciMmio64Size < MmioSpace) &&
       (PlatformInfoHob->PcdPciMmio64Base + MmioSpace < AddrSpace))
   {
     DEBUG ((DEBUG_INFO, "%a: using dynamic mmio window\n", __func__));
-- 
2.39.1