52 lines
1.4 KiB
Diff
52 lines
1.4 KiB
Diff
From 832b763db235da8e62f7b6ab02bcb8ad6bcb7a01 Mon Sep 17 00:00:00 2001
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From: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Date: Thu, 2 Apr 2009 16:48:41 +0300
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Subject: [PATCH] DSS2: Add function to get DSS logic clock rate
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---
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drivers/video/omap2/dss/dispc.c | 15 +++++++++++++++
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drivers/video/omap2/dss/dss.h | 1 +
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2 files changed, 16 insertions(+), 0 deletions(-)
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diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
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index 2480a03..1bc23f7 100644
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--- a/drivers/video/omap2/dss/dispc.c
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+++ b/drivers/video/omap2/dss/dispc.c
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@@ -1850,6 +1850,21 @@ unsigned long dispc_fclk_rate(void)
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return r;
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}
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+unsigned long dispc_lclk_rate(void)
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+{
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+ int lcd;
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+ unsigned long r;
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+ u32 l;
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+
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+ l = dispc_read_reg(DISPC_DIVISOR);
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+
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+ lcd = FLD_GET(l, 23, 16);
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+
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+ r = dispc_fclk_rate();
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+
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+ return r / lcd;
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+}
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+
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unsigned long dispc_pclk_rate(void)
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{
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int lcd, pcd;
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diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h
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index bac5ece..0be42b6 100644
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--- a/drivers/video/omap2/dss/dss.h
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+++ b/drivers/video/omap2/dss/dss.h
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@@ -294,6 +294,7 @@ bool dispc_trans_key_enabled(enum omap_channel ch);
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void dispc_set_lcd_timings(struct omap_video_timings *timings);
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unsigned long dispc_fclk_rate(void);
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+unsigned long dispc_lclk_rate(void);
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unsigned long dispc_pclk_rate(void);
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void dispc_set_pol_freq(struct omap_panel *panel);
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void find_lck_pck_divs(bool is_tft, unsigned long req_pck, unsigned long fck,
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--
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1.5.6.5
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