From 66b4a85fcb8ec13c5e4e152d1265dbf31eaa34f3 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Fri, 23 Aug 2024 14:35:53 +0200
Subject: [PATCH 1/3] OvmfPkg/VirtioGpuDxe: ignore display resolutions smaller
 than 640x480

RH-Author: Gerd Hoffmann <None>
RH-MergeRequest: 73: ignore display resolutions smaller than 640x480
RH-Jira: RHEL-56249
RH-Acked-by: Oliver Steffen <osteffen@redhat.com>
RH-Commit: [1/2] 24ec635d43a396ceb50197136ad7ffdc4a614a47 (kraxel.rh/centos-src-edk2)

GraphicsConsoleDxe will assert in case the resolution is too small.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 58035e8b5e11cfe2b9e6428d14c7817b6b1c83a2)
---
 OvmfPkg/VirtioGpuDxe/Gop.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/OvmfPkg/VirtioGpuDxe/Gop.c b/OvmfPkg/VirtioGpuDxe/Gop.c
index f64dfce5f4..d767114bbb 100644
--- a/OvmfPkg/VirtioGpuDxe/Gop.c
+++ b/OvmfPkg/VirtioGpuDxe/Gop.c
@@ -265,7 +265,8 @@ GopInitialize (
   // query host for display resolution
   //
   GopNativeResolution (VgpuGop, &XRes, &YRes);
-  if ((XRes == 0) || (YRes == 0)) {
+  if ((XRes < 640) || (YRes < 480)) {
+    /* ignore hint, GraphicsConsoleDxe needs 640x480 or larger */
     return;
   }
 
-- 
2.39.3