summaryrefslogtreecommitdiffstats
path: root/meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0014-DSS2-Add-function-to-get-DSS-logic-clock-rate.patch
diff options
context:
space:
mode:
Diffstat (limited to 'meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0014-DSS2-Add-function-to-get-DSS-logic-clock-rate.patch')
-rw-r--r--meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0014-DSS2-Add-function-to-get-DSS-logic-clock-rate.patch51
1 files changed, 51 insertions, 0 deletions
diff --git a/meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0014-DSS2-Add-function-to-get-DSS-logic-clock-rate.patch b/meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0014-DSS2-Add-function-to-get-DSS-logic-clock-rate.patch
new file mode 100644
index 0000000000..3b3fd77a9a
--- /dev/null
+++ b/meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0014-DSS2-Add-function-to-get-DSS-logic-clock-rate.patch
@@ -0,0 +1,51 @@
1From 832b763db235da8e62f7b6ab02bcb8ad6bcb7a01 Mon Sep 17 00:00:00 2001
2From: Tomi Valkeinen <tomi.valkeinen@nokia.com>
3Date: Thu, 2 Apr 2009 16:48:41 +0300
4Subject: [PATCH] DSS2: Add function to get DSS logic clock rate
5
6---
7 drivers/video/omap2/dss/dispc.c | 15 +++++++++++++++
8 drivers/video/omap2/dss/dss.h | 1 +
9 2 files changed, 16 insertions(+), 0 deletions(-)
10
11diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
12index 2480a03..1bc23f7 100644
13--- a/drivers/video/omap2/dss/dispc.c
14+++ b/drivers/video/omap2/dss/dispc.c
15@@ -1850,6 +1850,21 @@ unsigned long dispc_fclk_rate(void)
16 return r;
17 }
18
19+unsigned long dispc_lclk_rate(void)
20+{
21+ int lcd;
22+ unsigned long r;
23+ u32 l;
24+
25+ l = dispc_read_reg(DISPC_DIVISOR);
26+
27+ lcd = FLD_GET(l, 23, 16);
28+
29+ r = dispc_fclk_rate();
30+
31+ return r / lcd;
32+}
33+
34 unsigned long dispc_pclk_rate(void)
35 {
36 int lcd, pcd;
37diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h
38index bac5ece..0be42b6 100644
39--- a/drivers/video/omap2/dss/dss.h
40+++ b/drivers/video/omap2/dss/dss.h
41@@ -294,6 +294,7 @@ bool dispc_trans_key_enabled(enum omap_channel ch);
42
43 void dispc_set_lcd_timings(struct omap_video_timings *timings);
44 unsigned long dispc_fclk_rate(void);
45+unsigned long dispc_lclk_rate(void);
46 unsigned long dispc_pclk_rate(void);
47 void dispc_set_pol_freq(struct omap_panel *panel);
48 void find_lck_pck_divs(bool is_tft, unsigned long req_pck, unsigned long fck,
49--
501.5.6.5
51