OMAPDSS: pass ovl manager to dss_start_update

dss_start_update() takes currently the dss device as a parameter. Change
the parameter to ovl manager, as that is what the dss_start_update()
actually needs. Change the name of the function to
dss_mgr_start_update() to reflect the change.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

drivers/video/omap2/dss/dsi.c

@@ -4097,7 +4097,7 @@ static void dsi_update_screen_dispc(struct omap_dss_device *dssdev,
 		msecs_to_jiffies(250));
 	BUG_ON(r == 0);
 
-	dss_start_update(dssdev);
+	dss_mgr_start_update(dssdev->manager);
 
 	if (dsi->te_enabled) {
 		/* disable LP_RX_TO, so that we can receive TE.  Time to wait

drivers/video/omap2/dss/dss.h

@@ -182,7 +182,7 @@ void default_get_overlay_fifo_thresholds(enum omap_plane plane,
 int dss_init_overlay_managers(struct platform_device *pdev);
 void dss_uninit_overlay_managers(struct platform_device *pdev);
 int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl);
-void dss_start_update(struct omap_dss_device *dssdev);
+void dss_mgr_start_update(struct omap_overlay_manager *mgr);
 
 /* overlay */
 void dss_init_overlays(struct platform_device *pdev);

drivers/video/omap2/dss/manager.c

@@ -896,17 +896,14 @@ static int configure_dispc(void)
 	return r;
 }
 
-void dss_start_update(struct omap_dss_device *dssdev)
+void dss_mgr_start_update(struct omap_overlay_manager *mgr)
 {
 	struct manager_cache_data *mc;
 	struct overlay_cache_data *oc;
 	const int num_ovls = dss_feat_get_num_ovls();
 	const int num_mgrs = dss_feat_get_num_mgrs();
-	struct omap_overlay_manager *mgr;
 	int i;
 
-	mgr = dssdev->manager;
-
 	mc = &dss_cache.manager_cache[mgr->id];
 
 	mc->do_manual_update = true;
@@ -929,7 +926,7 @@ void dss_start_update(struct omap_dss_device *dssdev)
 		mc->shadow_dirty = false;
 	}
 
-	dssdev->manager->enable(dssdev->manager);
+	mgr->enable(mgr);
 }
 
 static void dss_apply_irq_handler(void *data, u32 mask)