diff options
Diffstat (limited to 'drivers/video/omap2/dss/dss.c')
| -rw-r--r-- | drivers/video/omap2/dss/dss.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c index 833f1627dc76..054c2a22b3f1 100644 --- a/drivers/video/omap2/dss/dss.c +++ b/drivers/video/omap2/dss/dss.c @@ -77,6 +77,7 @@ static struct { struct clk *dpll4_m4_ck; struct clk *dss_clk; + unsigned long dss_clk_rate; unsigned long cache_req_pck; unsigned long cache_prate; @@ -489,6 +490,10 @@ int dss_set_clock_div(struct dss_clock_info *cinfo) return -EINVAL; } + dss.dss_clk_rate = clk_get_rate(dss.dss_clk); + + WARN_ONCE(dss.dss_clk_rate != cinfo->fck, "clk rate mismatch"); + DSSDBG("fck = %ld (%d)\n", cinfo->fck, cinfo->fck_div); return 0; @@ -502,6 +507,11 @@ unsigned long dss_get_dpll4_rate(void) return 0; } +unsigned long dss_get_dispc_clk_rate(void) +{ + return dss.dss_clk_rate; +} + static int dss_setup_default_clock(void) { unsigned long max_dss_fck, prate; @@ -953,6 +963,8 @@ static int __init omap_dsshw_probe(struct platform_device *pdev) if (r) goto err_runtime_get; + dss.dss_clk_rate = clk_get_rate(dss.dss_clk); + /* Select DPLL */ REG_FLD_MOD(DSS_CONTROL, 0, 0, 0); |
