OMAPDSS: DISPC: Use a common function to set manager timings

Currently, a LCD manager's timings is set by dispc_mgr_set_lcd_timings() and TV
manager's timings is set by dispc_set_digit_size(). Use a common function called
dispc_mgr_set_timings() which sets timings for both type of managers.

We finally want the interface drivers to use an overlay manager function to
configure it's timings, having a common DISPC function would make things
cleaner.

For LCD managers, dispc_mgr_set_timings() sets LCD size and blanking values, for
TV manager, it sets only the TV size since blanking values don't exist for TV.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c
index 13a20da..30bbb63 100644
--- a/drivers/video/omap2/dss/venc.c
+++ b/drivers/video/omap2/dss/venc.c
@@ -421,6 +421,7 @@
 {
 	u32 l;
 	int r;
+	struct omap_video_timings timings;
 
 	venc_reset();
 	venc_write_config(venc_timings_to_config(&dssdev->panel.timings));
@@ -440,8 +441,10 @@
 
 	venc_write_reg(VENC_OUTPUT_CONTROL, l);
 
-	dispc_set_digit_size(dssdev->panel.timings.x_res,
-			dssdev->panel.timings.y_res/2);
+	timings = dssdev->panel.timings;
+	timings.y_res /= 2;
+
+	dispc_mgr_set_timings(dssdev->manager->id, &timings);
 
 	r = regulator_enable(venc.vdda_dac_reg);
 	if (r)