OMAPDSS: HDMI4: remove useless func calls

For some reason the hdmi driver first turns off the video output when
it's about to enable the video output. This serves no purpose, and can
be removed.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

drivers/video/omap2/dss/hdmi4.c

@@ -148,8 +148,6 @@ static int hdmi_power_on_full(struct omap_dss_device *dssdev)
 	if (r)
 		return r;
 
-	dss_mgr_disable(mgr);
-
 	p = &hdmi.cfg.timings;
 
 	DSSDBG("hdmi_power_on x_res= %d y_res = %d\n", p->x_res, p->y_res);
@@ -158,8 +156,6 @@ static int hdmi_power_on_full(struct omap_dss_device *dssdev)
 
 	hdmi_pll_compute(&hdmi.pll, clk_get_rate(hdmi.sys_clk), phy);
 
-	hdmi_wp_video_stop(&hdmi.wp);
-
 	/* config the PLL and PHY hdmi_set_pll_pwrfirst */
 	r = hdmi_pll_enable(&hdmi.pll, &hdmi.wp);
 	if (r) {