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>
diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
index c7cef44..79c2827 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -652,15 +652,6 @@
.name = "hdmi",
.driver_name = "hdmi_panel",
.type = OMAP_DISPLAY_TYPE_HDMI,
- .clocks = {
- .dispc = {
- .dispc_fclk_src = OMAP_DSS_CLK_SRC_FCK,
- },
- .hdmi = {
- .regn = 15,
- .regm2 = 1,
- },
- },
.platform_enable = sdp4430_panel_enable_hdmi,
.platform_disable = sdp4430_panel_disable_hdmi,
.channel = OMAP_DSS_CHANNEL_DIGIT,
diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c
index 8cef940..52731b5 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 @@
* 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 @@
* 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