diff -Naur xorg-server-1.6.0.old/hw/xfree86/modes/xf86Rotate.c xorg-server-1.6.0/hw/xfree86/modes/xf86Rotate.c
--- xorg-server-1.6.0.old/hw/xfree86/modes/xf86Rotate.c	2009-02-25 11:12:12.000000000 -0800
+++ xorg-server-1.6.0/hw/xfree86/modes/xf86Rotate.c	2009-03-20 01:55:51.000000000 -0700
@@ -72,6 +72,15 @@
 
 #define toF(x)	((float) (x) / 65536.0f)
 
+
+#define TRANSFORM_BOUNDS_WITH_EXTENTS(matrix,bounds) \
+    { \
+      (bounds)->x2--; (bounds)->y2--; \
+      pixman_f_transform_bounds((matrix), (bounds)); \
+      (bounds)->x2++; (bounds)->y2++; \
+    }
+      
+
 static void
 xf86RotateCrtcRedisplay (xf86CrtcPtr crtc, RegionPtr region)
 {
@@ -132,7 +141,7 @@
 	    dst_box.x2 += crtc->filter_width >> 1;
 	    dst_box.y1 -= crtc->filter_height >> 1;
 	    dst_box.y2 += crtc->filter_height >> 1;
-	    pixman_f_transform_bounds (&crtc->f_framebuffer_to_crtc, &dst_box);
+	    TRANSFORM_BOUNDS_WITH_EXTENTS (&crtc->f_framebuffer_to_crtc, &dst_box);
 	    CompositePicture (PictOpSrc,
 			      src, NULL, dst,
 			      dst_box.x1, dst_box.y1, 0, 0, dst_box.x1, dst_box.y1,
@@ -519,7 +528,7 @@
     crtc->bounds.x2 = crtc->mode.HDisplay;
     crtc->bounds.y1 = 0;
     crtc->bounds.y2 = crtc->mode.VDisplay;
-    pixman_f_transform_bounds (&f_crtc_to_fb, &crtc->bounds);
+    TRANSFORM_BOUNDS_WITH_EXTENTS (&f_crtc_to_fb, &crtc->bounds);
 
     if (damage)
         xf86CrtcDamageShadow (crtc);