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-rw-r--r--meta/packages/linux/linux-omap2-git/beagleboard/mru-clocks3.diff94
1 files changed, 0 insertions, 94 deletions
diff --git a/meta/packages/linux/linux-omap2-git/beagleboard/mru-clocks3.diff b/meta/packages/linux/linux-omap2-git/beagleboard/mru-clocks3.diff
deleted file mode 100644
index f8407fc2d..000000000
--- a/meta/packages/linux/linux-omap2-git/beagleboard/mru-clocks3.diff
+++ /dev/null
@@ -1,94 +0,0 @@
-From: Mans Rullgard <mans@mansr.com>
-Date: Wed, 23 Jul 2008 08:40:07 +0000 (+0100)
-Subject: ARM: OMAP: Set DSS1_ALWON_FCLK to a multiple of the pixel clock
-X-Git-Url: http://git.mansr.com/?p=linux-omap;a=commitdiff_plain;h=01ee28c50701caa94739e764c3dae9298edd8216
-
-ARM: OMAP: Set DSS1_ALWON_FCLK to a multiple of the pixel clock
-
-This sets the DSS1_ALWON_FCLK clock as close as possible to a
-multiple of the requested pixel clock, while keeping it below
-the 173MHz limit.
-
-Due to of the structure of the clock tree, dss1_alwon_fck cannot
-be set directly, and we must use dpll4_m4_ck instead.
-
-Signed-off-by: Mans Rullgard <mans@mansr.com>
----
-
-diff --git a/drivers/video/omap/dispc.c b/drivers/video/omap/dispc.c
-index fd06ca2..e0e8528 100644
---- a/drivers/video/omap/dispc.c
-+++ b/drivers/video/omap/dispc.c
-@@ -176,6 +176,7 @@ static struct {
-
- struct clk *dss_ick, *dss1_fck;
- struct clk *dss_54m_fck;
-+ struct clk *dpll4_m4_ck;
-
- enum omapfb_update_mode update_mode;
- struct omapfb_device *fbdev;
-@@ -738,21 +739,34 @@ static void setup_color_conv_coef(void)
- MOD_REG_FLD(at2_reg, (1 << 11), ct->full_range);
- }
-
--#define MAX_FCK_LCD 173000000
-+#define MAX_FCK 173000000
-
- static void calc_ck_div(int is_tft, int pck, int *lck_div, int *pck_div)
- {
-+ unsigned long prate = clk_get_rate(clk_get_parent(dispc.dpll4_m4_ck));
-+ unsigned long pcd_min = is_tft? 2: 3;
-+ unsigned long fck_div;
- unsigned long fck, lck;
-
- pck = max(1, pck);
-+
-+ if (pck * pcd_min > MAX_FCK) {
-+ dev_warn(dispc.fbdev->dev, "pixclock %d kHz too high.\n",
-+ pck / 1000);
-+ pck = MAX_FCK / pcd_min;
-+ }
-+
-+ fck = pck * 2;
-+ fck_div = (prate + pck) / fck;
-+ if (fck_div > 16)
-+ fck_div /= (fck_div + 15) / 16;
-+ if (fck_div < 1)
-+ fck_div = 1;
-+ clk_set_rate(dispc.dpll4_m4_ck, prate / fck_div);
- fck = clk_get_rate(dispc.dss1_fck);
-- *lck_div = (fck + MAX_FCK_LCD - 1) / MAX_FCK_LCD;
-- lck = fck / *lck_div;
-- *pck_div = (lck + pck - 1) / pck;
-- if (is_tft)
-- *pck_div = max(2, *pck_div);
-- else
-- *pck_div = max(3, *pck_div);
-+
-+ *lck_div = 1;
-+ *pck_div = (fck + pck - 1) / pck;
- if (*pck_div > 255) {
- *pck_div = 255;
- lck = pck * *pck_div;
-@@ -914,11 +928,21 @@ static int get_dss_clocks(void)
- return PTR_ERR(dispc.dss_54m_fck);
- }
-
-+ if (IS_ERR((dispc.dpll4_m4_ck =
-+ clk_get(dispc.fbdev->dev, "dpll4_m4_ck")))) {
-+ dev_err(dispc.fbdev->dev, "can't get dpll4_m4_ck");
-+ clk_put(dispc.dss_ick);
-+ clk_put(dispc.dss1_fck);
-+ clk_put(dispc.dss_54m_fck);
-+ return PTR_ERR(dispc.dss_54m_fck);
-+ }
-+
- return 0;
- }
-
- static void put_dss_clocks(void)
- {
-+ clk_put(dispc.dpll4_m4_ck);
- clk_put(dispc.dss_54m_fck);
- clk_put(dispc.dss1_fck);
- clk_put(dispc.dss_ick);