diff options
author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2011-09-01 08:15:38 +0100 |
---|---|---|
committer | Andy Green <andy.green@linaro.org> | 2011-09-26 17:27:04 +0100 |
commit | 72d79d13f6990d8ed08ebaaff98b644948af7e07 (patch) | |
tree | f7b640461991a591078e3dfac517d5184ebea3e4 /drivers/video | |
parent | 298d6862e2ba1a1ff0f663c5a7b5b5fad3e59fc9 (diff) |
OMAP: DSS2: HDMI: use default dividers
Use default regn and regm2 dividers in the hdmi driver if the board file
does not define them.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video')
-rw-r--r-- | drivers/video/omap2/dss/hdmi.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c index 5943d3eff8a1..89a84033d0a2 100644 --- a/drivers/video/omap2/dss/hdmi.c +++ b/drivers/video/omap2/dss/hdmi.c @@ -41,6 +41,8 @@ #include "dss_features.h" #include <plat/edid.h> +#define HDMI_DEFAULT_REGN 15 +#define HDMI_DEFAULT_REGM2 1 static struct { struct mutex lock; @@ -981,7 +983,11 @@ 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); /* @@ -989,7 +995,11 @@ 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 |