diff --git a/[refs] b/[refs]
index 97a9cbd5c736..56913b05e643 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e90a4ea534b110a43df87a05587c53cd78569467
+refs/heads/master: 677d23b70bf949f75746c80cbae92c233c6b5e2a
diff --git a/trunk/drivers/gpu/drm/udl/udl_fb.c b/trunk/drivers/gpu/drm/udl/udl_fb.c
index c35880ff2207..1eb060cc71d1 100644
--- a/trunk/drivers/gpu/drm/udl/udl_fb.c
+++ b/trunk/drivers/gpu/drm/udl/udl_fb.c
@@ -22,9 +22,9 @@
 
 #include <drm/drm_fb_helper.h>
 
-#define DL_DEFIO_WRITE_DELAY    5 /* fb_deferred_io.delay in jiffies */
+#define DL_DEFIO_WRITE_DELAY    (HZ/20) /* fb_deferred_io.delay in jiffies */
 
-static int fb_defio = 1;  /* Optionally enable experimental fb_defio mmap support */
+static int fb_defio = 0;  /* Optionally enable experimental fb_defio mmap support */
 static int fb_bpp = 16;
 
 module_param(fb_bpp, int, S_IWUSR | S_IRUSR | S_IWGRP | S_IRGRP);