summaryrefslogtreecommitdiff
path: root/recipes/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 'recipes/linux/linux-omap-2.6.29/dss2/0014-DSS2-Add-function-to-get-DSS-logic-clock-rate.patch')
-rw-r--r--recipes/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/recipes/linux/linux-omap-2.6.29/dss2/0014-DSS2-Add-function-to-get-DSS-logic-clock-rate.patch b/recipes/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/recipes/linux/linux-omap-2.6.29/dss2/0014-DSS2-Add-function-to-get-DSS-logic-clock-rate.patch
@@ -0,0 +1,51 @@
+From 832b763db235da8e62f7b6ab02bcb8ad6bcb7a01 Mon Sep 17 00:00:00 2001
+From: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+Date: Thu, 2 Apr 2009 16:48:41 +0300
+Subject: [PATCH] DSS2: Add function to get DSS logic clock rate
+
+---
+ drivers/video/omap2/dss/dispc.c | 15 +++++++++++++++
+ drivers/video/omap2/dss/dss.h | 1 +
+ 2 files changed, 16 insertions(+), 0 deletions(-)
+
+diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
+index 2480a03..1bc23f7 100644
+--- a/drivers/video/omap2/dss/dispc.c
++++ b/drivers/video/omap2/dss/dispc.c
+@@ -1850,6 +1850,21 @@ unsigned long dispc_fclk_rate(void)
+ return r;
+ }
+
++unsigned long dispc_lclk_rate(void)
++{
++ int lcd;
++ unsigned long r;
++ u32 l;
++
++ l = dispc_read_reg(DISPC_DIVISOR);
++
++ lcd = FLD_GET(l, 23, 16);
++
++ r = dispc_fclk_rate();
++
++ return r / lcd;
++}
++
+ unsigned long dispc_pclk_rate(void)
+ {
+ int lcd, pcd;
+diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h
+index bac5ece..0be42b6 100644
+--- a/drivers/video/omap2/dss/dss.h
++++ b/drivers/video/omap2/dss/dss.h
+@@ -294,6 +294,7 @@ bool dispc_trans_key_enabled(enum omap_channel ch);
+
+ void dispc_set_lcd_timings(struct omap_video_timings *timings);
+ unsigned long dispc_fclk_rate(void);
++unsigned long dispc_lclk_rate(void);
+ unsigned long dispc_pclk_rate(void);
+ void dispc_set_pol_freq(struct omap_panel *panel);
+ void find_lck_pck_divs(bool is_tft, unsigned long req_pck, unsigned long fck,
+--
+1.5.6.5
+