From 76d1058fc3af51960ddc8d4487c156bd0e39809a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=A9=20van=20Geldorp?= <ge@gse.nl>
Date: Fri, 20 Jun 2003 13:04:09 +0000
Subject: [PATCH] Map video memory based on actual size of screen

svn path=/trunk/; revision=4932
---
 reactos/drivers/dd/blue/blue.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/reactos/drivers/dd/blue/blue.c b/reactos/drivers/dd/blue/blue.c
index 707a5c58959..dc2f1f87982 100644
--- a/reactos/drivers/dd/blue/blue.c
+++ b/reactos/drivers/dd/blue/blue.c
@@ -1,4 +1,4 @@
-/* $Id: blue.c,v 1.37 2003/03/21 21:09:40 hbirr Exp $
+/* $Id: blue.c,v 1.38 2003/06/20 13:04:09 gvg Exp $
  *
  * COPYRIGHT:            See COPYING in the top level directory
  * PROJECT:              ReactOS kernel
@@ -23,7 +23,6 @@
 /* DEFINITIONS ***************************************************************/
 
 #define VIDMEM_BASE        0xb8000
-#define VIDMEM_SIZE        0x2000
 
 #define CRTC_COMMAND       ((PUCHAR)0x3d4)
 #define CRTC_DATA          ((PUCHAR)0x3d5)
@@ -79,11 +78,6 @@ ScrCreate(PDEVICE_OBJECT DeviceObject,
 
     DeviceExtension = DeviceObject->DeviceExtension;
 
-    /* get pointer to video memory */
-    BaseAddress.QuadPart = VIDMEM_BASE;
-    DeviceExtension->VideoMemory =
-        (PBYTE)MmMapIoSpace (BaseAddress, VIDMEM_SIZE, FALSE);
-
     /* disable interrupts */
     __asm__("cli\n\t");
 
@@ -130,6 +124,11 @@ ScrCreate(PDEVICE_OBJECT DeviceObject,
             DeviceExtension->Rows,
             DeviceExtension->ScanLines);
 
+    /* get pointer to video memory */
+    BaseAddress.QuadPart = VIDMEM_BASE;
+    DeviceExtension->VideoMemory =
+        (PBYTE)MmMapIoSpace (BaseAddress, DeviceExtension->Rows * DeviceExtension->Columns * 2, FALSE);
+
     DeviceExtension->CursorSize    = 5; /* FIXME: value correct?? */
     DeviceExtension->CursorVisible = TRUE;