OMAPDSS: pass pck to dss fck clock calc

We need the required pixel clock rate when calculating the dss fclk on
SoCs that have a dedicated DSS PLL.

This patch changes the code to pass the pck to the calc functions. The
pck rate is taken into use in the next patch.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

4 files changed, 6 insertions, 4 deletions

diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c
index 16acdddc94e3..ae1c8b9d39ca 100644
--- a/drivers/video/omap2/dss/dpi.c
+++ b/drivers/video/omap2/dss/dpi.c
@@ -236,7 +236,7 @@ static bool dpi_dss_clk_calc(unsigned long pck, struct dpi_clk_calc_ctx *ctx)
                         ctx->pck_min = 0;
                 ctx->pck_max = pck + 1000 * i * i * i;
 
-                ok = dss_div_calc(ctx->pck_min, dpi_calc_dss_cb, ctx);
+                ok = dss_div_calc(pck, ctx->pck_min, dpi_calc_dss_cb, ctx);
                 if (ok)
                         return ok;
         }
diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c
index 7af97199c905..08c58ebe219c 100644
--- a/drivers/video/omap2/dss/dss.c
+++ b/drivers/video/omap2/dss/dss.c
@@ -436,7 +436,8 @@ enum omap_dss_clk_source dss_get_lcd_clk_source(enum omap_channel channel)
         }
 }
 
-bool dss_div_calc(unsigned long fck_min, dss_div_calc_func func, void *data)
+bool dss_div_calc(unsigned long pck, unsigned long fck_min,
+                dss_div_calc_func func, void *data)
 {
         int fckd, fckd_start, fckd_stop;
         unsigned long fck;
diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h
index 6fc786fddbcb..2acc6615b984 100644
--- a/drivers/video/omap2/dss/dss.h
+++ b/drivers/video/omap2/dss/dss.h
@@ -245,7 +245,8 @@ void dss_set_dac_pwrdn_bgz(bool enable);
 int dss_set_fck_rate(unsigned long rate);
 
 typedef bool (*dss_div_calc_func)(unsigned long fck, void *data);
-bool dss_div_calc(unsigned long fck_min, dss_div_calc_func func, void *data);
+bool dss_div_calc(unsigned long pck, unsigned long fck_min,
+                dss_div_calc_func func, void *data);
 
 /* SDI */
 int sdi_init_platform_driver(void) __init;
diff --git a/drivers/video/omap2/dss/sdi.c b/drivers/video/omap2/dss/sdi.c
index 221fd34c42ff..3bf47c92aedf 100644
--- a/drivers/video/omap2/dss/sdi.c
+++ b/drivers/video/omap2/dss/sdi.c
@@ -97,7 +97,7 @@ static int sdi_calc_clock_div(unsigned long pclk,
                         ctx.pck_min = 0;
                 ctx.pck_max = pclk + 1000 * i * i * i;
 
-                ok = dss_div_calc(ctx.pck_min, dpi_calc_dss_cb, &ctx);
+                ok = dss_div_calc(pclk, ctx.pck_min, dpi_calc_dss_cb, &ctx);
                 if (ok) {
                         *fck = ctx.fck;
                         *dispc_cinfo = ctx.dispc_cinfo;