[jgardou] 61577: [WIN32K] - Don't be so nitpicky about display frequency when setting up display driver. Fixes vmare letter stamp behaviour after graphics driver installation

Author: jgardou
Date: Thu Jan  9 23:11:03 2014
New Revision: 61577

URL: http://svn.reactos.org/svn/reactos?rev=61577&view=rev
Log:
[WIN32K]
 - Don't be so nitpicky about display frequency when setting up display driver.
Fixes vmare letter stamp behaviour after graphics driver installation

Modified:
    trunk/reactos/win32ss/gdi/eng/device.c

Modified: trunk/reactos/win32ss/gdi/eng/device.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/eng/device.c?re...
==============================================================================
--- trunk/reactos/win32ss/gdi/eng/device.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/eng/device.c	[iso-8859-1] Thu Jan  9 23:11:03 2014
@@ -50,6 +50,7 @@
     PDEVMODEINFO pdminfo;
     PDEVMODEW pdm, pdmEnd;
     PLDEVOBJ pldev;
+    BOOLEAN bModeMatch = FALSE;

TRACE("EngpRegisterGraphicsDevice(%wZ)\n", pustrDeviceName);

@@ -185,11 +186,10 @@
     }

TRACE("Looking for mode %lux%lux%lu(%lu Hz)\n",
-        pdm->dmDeviceName,
-        pdm->dmPelsWidth,
-        pdm->dmPelsHeight,
-        pdm->dmBitsPerPel,
-        pdm->dmDisplayFrequency);
+        pdmDefault->dmPelsWidth,
+        pdmDefault->dmPelsHeight,
+        pdmDefault->dmBitsPerPel,
+        pdmDefault->dmDisplayFrequency);

/* Loop through all DEVMODEINFOs */
     for (pdminfo = pGraphicsDevice->pdevmodeInfo, i = 0;
@@ -211,14 +211,19 @@
                   pdm->dmBitsPerPel,
                   pdm->dmDisplayFrequency);
             /* Compare with the default entry */
-            if (pdm->dmBitsPerPel == pdmDefault->dmBitsPerPel &&
+            if (!bModeMatch && 
+                pdm->dmBitsPerPel == pdmDefault->dmBitsPerPel &&
                 pdm->dmPelsWidth == pdmDefault->dmPelsWidth &&
-                pdm->dmPelsHeight == pdmDefault->dmPelsHeight &&
-                pdm->dmDisplayFrequency == pdmDefault->dmDisplayFrequency)
+                pdm->dmPelsHeight == pdmDefault->dmPelsHeight)
             {
                 pGraphicsDevice->iDefaultMode = i;
                 pGraphicsDevice->iCurrentMode = i;
                 TRACE("Found default entry: %lu '%ls'\n", i, pdm->dmDeviceName);
+                if (pdm->dmDisplayFrequency == pdmDefault->dmDisplayFrequency)
+                {
+                    /* Uh oh, even the display frequency matches. */
+                    bModeMatch = TRUE;
+                }
             }

/* Initialize the entry */