From 8d88767a4377171752c22ac39bcb2b505eb751da Mon Sep 17 00:00:00 2001 From: Tomi Valkeinen Date: Mon, 22 Aug 2011 13:02:52 +0300 Subject: [PATCH] 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 --- arch/arm/mach-omap2/board-4430sdp.c | 9 --------- drivers/video/omap2/dss/hdmi.c | 15 +++++++++++++-- 2 files changed, 13 insertions(+), 11 deletions(-) diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c index c7cef44c75d4..79c28273cf08 100644 --- a/arch/arm/mach-omap2/board-4430sdp.c +++ b/arch/arm/mach-omap2/board-4430sdp.c @@ -652,15 +652,6 @@ static struct omap_dss_device sdp4430_hdmi_device = { .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 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 -- 2.39.5