From: Ville Syrjälä <ville.syrjala@nokia.com>
Date: Wed, 17 Mar 2010 18:13:44 +0000 (+0200)
Subject: OMAP: DSS2: OMAPFB: Skip unnecessary set_overlay_info()
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=2ad0c50b84ee984aa58b09b46aef5c9f1d95e469;p=deliverable%2Flinux.git

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>
---

diff --git a/drivers/video/omap2/omapfb/omapfb.h b/drivers/video/omap2/omapfb/omapfb.h
index cd54fdbfd8bb..c9866be0460a 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);
 }