From 7ac1cafb5a326fd961dc5e94a8266426d09a9ddb Mon Sep 17 00:00:00 2001
From: Nicolas Ojeda Leon <ncoleon@amazon.com>
Date: Wed, 26 May 2021 17:57:40 +0200
Subject: [PATCH] OvmfPkg: Increase PcdPciMmio64Size to 16 TiB

Increased the 64-bit PCI aperture size PCD token to offer 16 TiB.
The need to increase size beyond 32 GiB comes from platforms
that having multiple GPUs, thus requiring more than 32 GiB
high memory address space.

Signed-off-by: Nicolas Ojeda Leon <ncoleon@amazon.com>
Cc: Alexander Graf <graf@amazon.de>
Cc: Hendrik Borghorst <hborghor@amazon.de>

diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc
index 63c3a47aea..30bb110566 100644
--- a/OvmfPkg/OvmfPkgX64.dsc
+++ b/OvmfPkg/OvmfPkgX64.dsc
@@ -653,7 +653,7 @@
 !ifdef $(CSM_ENABLE)
   gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio64Size|0x0
 !else
-  gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio64Size|0x800000000
+  gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio64Size|0x100000000000
 !endif
 
   gEfiMdePkgTokenSpaceGuid.PcdPlatformBootTimeOut|0