OMAPDSS: APPLY: remove runtime_get

apply.c no longer touches any registers if an output is not enabled.
This means that we don't need to do dispc_runtime_get() anymore, and the
calls can be removed.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

drivers/video/omap2/dss/apply.c

@@ -688,16 +688,11 @@ static void omap_dss_mgr_apply_mgr(struct omap_overlay_manager *mgr)
 
 int omap_dss_mgr_apply(struct omap_overlay_manager *mgr)
 {
-	int r;
 	unsigned long flags;
 	struct omap_overlay *ovl;
 
 	DSSDBG("omap_dss_mgr_apply(%s)\n", mgr->name);
 
-	r = dispc_runtime_get();
-	if (r)
-		return r;
-
 	spin_lock_irqsave(&data_lock, flags);
 
 	/* Configure overlays */
@@ -711,9 +706,7 @@ int omap_dss_mgr_apply(struct omap_overlay_manager *mgr)
 
 	spin_unlock_irqrestore(&data_lock, flags);
 
-	dispc_runtime_put();
-
-	return r;
+	return 0;
 }
 
 static void dss_apply_ovl_enable(struct omap_overlay *ovl, bool enable)