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| author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2011-08-22 13:02:52 +0300 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2011-09-30 16:16:36 +0300 |
| commit | 8d88767a4377171752c22ac39bcb2b505eb751da (patch) | |
| tree | 0de05a263e976824e7f4a6e1f1d8ffb3ca37753e /drivers/video/omap2/dss/hdmi.c | |
| parent | 9eaaf2076dac213c034c69051dd7a625cd41f56e (diff) | |
| download | linux-3.10-8d88767a4377171752c22ac39bcb2b505eb751da.tar.gz linux-3.10-8d88767a4377171752c22ac39bcb2b505eb751da.tar.bz2 linux-3.10-8d88767a4377171752c22ac39bcb2b505eb751da.zip | |
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 <mythripk@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video/omap2/dss/hdmi.c')
| -rw-r--r-- | drivers/video/omap2/dss/hdmi.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c index 8cef940b501..52731b5e10f 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 |