Index: uspace/drv/fb/kfb/port.c
===================================================================
--- uspace/drv/fb/kfb/port.c	(revision 1d5a5405546f3f0a0cab965cb3a4339c902e5e26)
+++ uspace/drv/fb/kfb/port.c	(revision ba733e838a05e6c800b53260e775d067a02d6f27)
@@ -163,7 +163,7 @@
 		/* Faster damage routine ignoring offsets. */
 		for (sysarg_t y = y0; y < height + y0; ++y) {
+			pixel_t *pixel = pixelmap_pixel_at(map, x0, y);
 			for (sysarg_t x = x0; x < width + x0; ++x) {
-				kfb.pixel2visual(kfb.addr + FB_POS(x, y),
-				    *pixelmap_pixel_at(map, x, y));
+				kfb.pixel2visual(kfb.addr + FB_POS(x, y), *pixel++);
 			}
 		}