From e227af2790d33db508074968a174d9ab448a09b4 Mon Sep 17 00:00:00 2001
From: Jeff Fan <vanjeff@tianocore.org>
Date: Tue, 14 Apr 2009 08:40:40 +0000
Subject: [PATCH] Per UEFI spec, SetMode() should clear screen anyway with
 black color.

---
 DuetPkg/BiosVideoThunkDxe/BiosVideo.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/DuetPkg/BiosVideoThunkDxe/BiosVideo.c b/DuetPkg/BiosVideoThunkDxe/BiosVideo.c
index 07a20aeb0..f7b33e935 100644
--- a/DuetPkg/BiosVideoThunkDxe/BiosVideo.c
+++ b/DuetPkg/BiosVideoThunkDxe/BiosVideo.c
@@ -2,7 +2,7 @@
 
   BiosVideo driver produce EFI_GRAPHIC_OUTPUT_PROTOCOL via LegacyBios Video rom.
 
-Copyright (c) 2006 - 2008, Intel Corporation                                                         
+Copyright (c) 2006 - 2009, Intel Corporation                                                         
 All rights reserved. This program and the accompanying materials                          
 are licensed and made available under the terms and conditions of the BSD License         
 which accompanies this distribution.  The full text of the license may be found at        
@@ -1675,10 +1675,6 @@ BiosVideoGraphicsOutputSetMode (
     return EFI_UNSUPPORTED;
   }
 
-  if (ModeNumber == This->Mode->Mode) {
-    return EFI_SUCCESS;
-  }
-
   ModeData = &BiosVideoPrivate->ModeData[ModeNumber];
 
   if (BiosVideoPrivate->LineBuffer) {
-- 
2.11.4.GIT