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path: root/drivers/gpu/drm/omapdrm/dss/dss.c
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Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/dss.c')
-rw-r--r--drivers/gpu/drm/omapdrm/dss/dss.c37
1 files changed, 18 insertions, 19 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/dss.c b/drivers/gpu/drm/omapdrm/dss/dss.c
index bdf8f66002b6..0d292da6757d 100644
--- a/drivers/gpu/drm/omapdrm/dss/dss.c
+++ b/drivers/gpu/drm/omapdrm/dss/dss.c
@@ -594,8 +594,8 @@ enum dss_clk_source dss_get_lcd_clk_source(struct dss_device *dss,
}
}
-bool dss_div_calc(unsigned long pck, unsigned long fck_min,
- dss_div_calc_func func, void *data)
+bool dss_div_calc(struct dss_device *dss, unsigned long pck,
+ unsigned long fck_min, dss_div_calc_func func, void *data)
{
int fckd, fckd_start, fckd_stop;
unsigned long fck;
@@ -604,24 +604,24 @@ bool dss_div_calc(unsigned long pck, unsigned long fck_min,
unsigned long prate;
unsigned int m;
- fck_hw_max = dss.feat->fck_freq_max;
+ fck_hw_max = dss->feat->fck_freq_max;
- if (dss.parent_clk == NULL) {
+ if (dss->parent_clk == NULL) {
unsigned int pckd;
pckd = fck_hw_max / pck;
fck = pck * pckd;
- fck = clk_round_rate(dss.dss_clk, fck);
+ fck = clk_round_rate(dss->dss_clk, fck);
return func(fck, data);
}
- fckd_hw_max = dss.feat->fck_div_max;
+ fckd_hw_max = dss->feat->fck_div_max;
- m = dss.feat->dss_fck_multiplier;
- prate = clk_get_rate(dss.parent_clk);
+ m = dss->feat->dss_fck_multiplier;
+ prate = clk_get_rate(dss->parent_clk);
fck_min = fck_min ? fck_min : 1;
@@ -638,33 +638,32 @@ bool dss_div_calc(unsigned long pck, unsigned long fck_min,
return false;
}
-int dss_set_fck_rate(unsigned long rate)
+int dss_set_fck_rate(struct dss_device *dss, unsigned long rate)
{
int r;
DSSDBG("set fck to %lu\n", rate);
- r = clk_set_rate(dss.dss_clk, rate);
+ r = clk_set_rate(dss->dss_clk, rate);
if (r)
return r;
- dss.dss_clk_rate = clk_get_rate(dss.dss_clk);
+ dss->dss_clk_rate = clk_get_rate(dss->dss_clk);
- WARN_ONCE(dss.dss_clk_rate != rate,
- "clk rate mismatch: %lu != %lu", dss.dss_clk_rate,
- rate);
+ WARN_ONCE(dss->dss_clk_rate != rate, "clk rate mismatch: %lu != %lu",
+ dss->dss_clk_rate, rate);
return 0;
}
-unsigned long dss_get_dispc_clk_rate(void)
+unsigned long dss_get_dispc_clk_rate(struct dss_device *dss)
{
- return dss.dss_clk_rate;
+ return dss->dss_clk_rate;
}
-unsigned long dss_get_max_fck_rate(void)
+unsigned long dss_get_max_fck_rate(struct dss_device *dss)
{
- return dss.feat->fck_freq_max;
+ return dss->feat->fck_freq_max;
}
enum omap_dss_output_id dss_get_supported_outputs(enum omap_channel channel)
@@ -691,7 +690,7 @@ static int dss_setup_default_clock(void)
fck = DIV_ROUND_UP(prate, fck_div) * dss.feat->dss_fck_multiplier;
}
- r = dss_set_fck_rate(fck);
+ r = dss_set_fck_rate(&dss, fck);
if (r)
return r;