From 8d88767a4377171752c22ac39bcb2b505eb751da Mon Sep 17 00:00:00 2001 From: Tomi Valkeinen Date: Mon, 22 Aug 2011 13:02:52 +0300 Subject: OMAP: DSS2: HDMI: use default dividers Use default regn and regm2 dividers in the hdmi driver if the board file does not define them. Cc: Mythri P K Acked-by: Tony Lindgren Signed-off-by: Tomi Valkeinen --- drivers/video/omap2/dss/hdmi.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) (limited to 'drivers/video') diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c index 8cef940b5010..52731b5e10f0 100644 --- a/drivers/video/omap2/dss/hdmi.c +++ b/drivers/video/omap2/dss/hdmi.c @@ -60,6 +60,9 @@ #define OMAP_HDMI_TIMINGS_NB 34 +#define HDMI_DEFAULT_REGN 15 +#define HDMI_DEFAULT_REGM2 1 + static struct { struct mutex lock; struct omap_display_platform_data *pdata; @@ -418,7 +421,11 @@ static void hdmi_compute_pll(struct omap_dss_device *dssdev, int phy, * Input clock is predivided by N + 1 * out put of which is reference clk */ - pi->regn = dssdev->clocks.hdmi.regn; + if (dssdev->clocks.hdmi.regn == 0) + pi->regn = HDMI_DEFAULT_REGN; + else + pi->regn = dssdev->clocks.hdmi.regn; + refclk = clkin / (pi->regn + 1); /* @@ -426,7 +433,11 @@ static void hdmi_compute_pll(struct omap_dss_device *dssdev, int phy, * Multiplying by 100 to avoid fractional part removal */ pi->regm = (phy * 100 / (refclk)) / 100; - pi->regm2 = dssdev->clocks.hdmi.regm2; + + if (dssdev->clocks.hdmi.regm2 == 0) + pi->regm2 = HDMI_DEFAULT_REGM2; + else + pi->regm2 = dssdev->clocks.hdmi.regm2; /* * fractional multiplier is remainder of the difference between -- cgit v1.2.1