OMAP: DSS2: OMAPFB: Skip unnecessary set_overlay_info()

In omapfb_enable_overlay() if the overlay state is already what we want
skip the set_overlay_info().

Signed-off-by: Ville Syrjälä <ville.syrjala@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/video/omap2/omapfb/omapfb.h b/drivers/video/omap2/omapfb/omapfb.h
index cd54fdbfd8b..c9866be0460 100644
--- a/drivers/video/omap2/omapfb/omapfb.h
+++ b/drivers/video/omap2/omapfb/omapfb.h
@@ -148,6 +148,8 @@ static inline int omapfb_overlay_enable(struct omap_overlay *ovl,
         struct omap_overlay_info info;
 
         ovl->get_overlay_info(ovl, &info);
+        if (info.enabled == enable)
+                return 0;
         info.enabled = enable;
         return ovl->set_overlay_info(ovl, &info);
 }