diff -Naur embedded.org/qscreenlinuxfb_qws.cpp embedded/qscreenlinuxfb_qws.cpp
--- embedded.org/qscreenlinuxfb_qws.cpp	2012-04-17 17:20:00.754113572 +0200
+++ embedded/qscreenlinuxfb_qws.cpp	2012-04-17 17:23:32.745968031 +0200
@@ -338,6 +338,7 @@
     }
 
     d_ptr->driverType = strcmp(finfo.id, "8TRACKFB") ? GenericDriver : EInk8Track;
+    d_ptr->driverType = strcmp(finfo.id, "udlfb") ? d_ptr->driverType : UdlFb;
 
     if (finfo.type == FB_TYPE_VGA_PLANES) {
         qWarning("VGA16 video mode not supported");
@@ -1252,6 +1253,14 @@
             ioctl(d_ptr->fd, 0x46a2, 1);
         else
             ioctl(d_ptr->fd, 0x46a2, 0);
+    } else if ( d_ptr->driverType ==  UdlFb ) {
+	struct dloarea area;
+	area.x = r.left();
+	area.y = r.top();
+	area.w = r.width();
+	area.h = r.height();
+
+	ioctl ( d_ptr->fd, DLFB_IOCTL_REPORT_DAMAGE, &area );
     }
 }
 
diff -Naur embedded.org/qscreenlinuxfb_qws.h embedded/qscreenlinuxfb_qws.h
--- embedded.org/qscreenlinuxfb_qws.h	2012-04-17 17:20:36.265969766 +0200
+++ embedded/qscreenlinuxfb_qws.h	2012-04-17 17:08:28.113958146 +0200
@@ -48,6 +48,16 @@
 struct fb_var_screeninfo;
 struct fb_fix_screeninfo;
 
+#define DLFB_IOCTL_REPORT_DAMAGE 0xAA
+
+struct dloarea {
+        int x, y;
+        int w, h;
+        int x2, y2;
+};
+
+
+
 QT_BEGIN_HEADER
 
 QT_BEGIN_NAMESPACE
@@ -87,7 +97,7 @@
 
     virtual bool useOffscreen();
 
-    enum DriverTypes { GenericDriver, EInk8Track };
+    enum DriverTypes { GenericDriver, EInk8Track, UdlFb };
 
     virtual void disconnect();
     virtual void shutdownDevice();