summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/video/omap2/dss/dispc.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index d8e044d..22023bb 100644
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -1694,6 +1694,7 @@ static unsigned long calc_fclk(enum omap_channel channel, u16 width,
u16 height, u16 out_width, u16 out_height)
{
unsigned int hf, vf;
+ unsigned long pclk = dispc_mgr_pclk_rate(channel);
/*
* FIXME how to determine the 'A' factor
@@ -1716,13 +1717,16 @@ static unsigned long calc_fclk(enum omap_channel channel, u16 width,
if (cpu_is_omap24xx()) {
if (vf > 1 && hf > 1)
- return dispc_mgr_pclk_rate(channel) * 4;
+ return pclk * 4;
else
- return dispc_mgr_pclk_rate(channel) * 2;
+ return pclk * 2;
} else if (cpu_is_omap34xx()) {
- return dispc_mgr_pclk_rate(channel) * vf * hf;
+ return pclk * vf * hf;
} else {
- return dispc_mgr_pclk_rate(channel) * hf;
+ if (hf > 1)
+ return DIV_ROUND_UP(pclk, out_width) * width;
+ else
+ return pclk;
}
}
OpenPOWER on IntegriCloud