drm/omap: generalize dss_pll_calc_b()

dss_pll_calc_b() takes HDMI TMDS clock rate as a parameter. To make
dss_pll_calc_b() usable for non-HDMI users, change the function to take
clkout rate as parameter, and also change the current users of
dss_pll_calc_b() to accommodate that.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

drivers/gpu/drm/omapdrm/dss/hdmi5.c

@@ -198,6 +198,9 @@ static int hdmi_power_on_full(struct omap_dss_device *dssdev)
 	if (p->double_pixel)
 		pc *= 2;
 
+	/* DSS_HDMI_TCLK is bitclk / 10 */
+	pc *= 10;
+
 	dss_pll_calc_b(&hdmi.pll.pll, clk_get_rate(hdmi.pll.pll.clkin),
 		pc, &hdmi_cinfo);