Index: /trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/common/VBoxMPUtils.h
===================================================================
--- /trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/common/VBoxMPUtils.h	(revision 44115)
+++ /trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/common/VBoxMPUtils.h	(revision 44116)
@@ -28,4 +28,9 @@
 #include <VBox/log.h>
 #define VBOX_VIDEO_LOG_NAME "VBoxMP"
+#ifdef VBOX_WDDM_MINIPORT
+# ifndef VBOX_WDDM_MINIPORT_WITH_FLOW_LOGGING
+#  define VBOX_VIDEO_LOGFLOW_LOGGER(_m) do {} while (0)
+# endif
+#endif
 #include "common/VBoxVideoLog.h"
 #include <iprt/err.h>
Index: /trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/wddm/VBoxMPVbva.cpp
===================================================================
--- /trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/wddm/VBoxMPVbva.cpp	(revision 44115)
+++ /trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/wddm/VBoxMPVbva.cpp	(revision 44116)
@@ -291,5 +291,5 @@
         if (cbChunk >= cbHwBufferAvail)
         {
-            LOGF(("1) avail %d, chunk %d", cbHwBufferAvail, cbChunk));
+            LOG(("1) avail %d, chunk %d", cbHwBufferAvail, cbChunk));
 
             vboxHwBufferFlush (pDevExt, pVbva);
Index: /trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/wddm/VBoxMPVdma.cpp
===================================================================
--- /trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/wddm/VBoxMPVdma.cpp	(revision 44115)
+++ /trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/wddm/VBoxMPVdma.cpp	(revision 44116)
@@ -1529,6 +1529,4 @@
 int vboxVdmaDisable (PVBOXMP_DEVEXT pDevExt, PVBOXVDMAINFO pInfo)
 {
-    LOGF(("."));
-
     Assert(pInfo->fEnabled);
     if (!pInfo->fEnabled)
@@ -1548,6 +1546,4 @@
 int vboxVdmaEnable (PVBOXMP_DEVEXT pDevExt, PVBOXVDMAINFO pInfo)
 {
-    LOGF(("."));
-
     Assert(!pInfo->fEnabled);
     if (pInfo->fEnabled)
@@ -1568,6 +1564,4 @@
 int vboxVdmaFlush (PVBOXMP_DEVEXT pDevExt, PVBOXVDMAINFO pInfo)
 {
-    LOGF(("."));
-
     Assert(pInfo->fEnabled);
     if (!pInfo->fEnabled)