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| author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2013-10-31 15:41:57 +0100 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2013-11-18 13:32:28 +0100 |
| commit | 688af02d22c11a077532d6437e4afc7bdc972f82 (patch) | |
| tree | d241479783178b85d67abb350ba053a99355115a /drivers/video/omap2/dss | |
| parent | OMAPDSS: cleanup fck parent handling (diff) | |
| download | linux-688af02d22c11a077532d6437e4afc7bdc972f82.tar.xz linux-688af02d22c11a077532d6437e4afc7bdc972f82.zip | |
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>
Diffstat (limited to 'drivers/video/omap2/dss')
| -rw-r--r-- | drivers/video/omap2/dss/dpi.c | 2 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/dss.c | 3 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/dss.h | 3 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/sdi.c | 2 |
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; |