Revision: 19630
http://sourceforge.net/p/edk2/code/19630
Author: niruiyu
Date: 2016-01-11 02:29:09 +0000 (Mon, 11 Jan 2016)
Log Message:
-----------
MdeModulePkg: Fix GraphicsConsole driver resolution out of sync issue
When the GOP doesn't support the resolution specified by
PcdVideoHorizontalResolution and PcdVideoVerticalResolution,
the code tries to set the resolution to 800x600 but uses the resolution
equals to the PCD when calculating the text print position.
The patch fixes the bug by updating the resolution to 800x600 for
this case.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <[email protected]>
Reviewed-by: Jeff Fan <[email protected]>
Modified Paths:
--------------
trunk/edk2/MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsole.c
Modified:
trunk/edk2/MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsole.c
===================================================================
---
trunk/edk2/MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsole.c
2016-01-11 00:34:36 UTC (rev 19629)
+++
trunk/edk2/MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsole.c
2016-01-11 02:29:09 UTC (rev 19630)
@@ -1,7 +1,7 @@
/** @file
This is the main routine for initializing the Graphics Console support
routines.
-Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
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
@@ -480,10 +480,12 @@
//
// if not supporting current mode, try 800x600 which is required by
UEFI/EFI spec
//
+ HorizontalResolution = 800;
+ VerticalResolution = 600;
Status = CheckModeSupported (
Private->GraphicsOutput,
- 800,
- 600,
+ HorizontalResolution,
+ VerticalResolution,
&ModeNumber
);
Mode = Private->GraphicsOutput->Mode;
------------------------------------------------------------------------------
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