Currently the divider is always rounded down, which may lead to a rather big overshoot of the display clock. Try to match the clock better by rounding to closest.
Signed-off-by: Lucas Stach <[email protected]> --- drivers/video/imx-ipu-v3/ipu-di.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/video/imx-ipu-v3/ipu-di.c b/drivers/video/imx-ipu-v3/ipu-di.c index b6e64fe16a85..5751c678b28e 100644 --- a/drivers/video/imx-ipu-v3/ipu-di.c +++ b/drivers/video/imx-ipu-v3/ipu-di.c @@ -140,10 +140,7 @@ static int ipu_di_clk_calc_div(unsigned long inrate, unsigned long outrate) int div; tmp *= 16; - - do_div(tmp, outrate); - - div = tmp; + div = DIV_ROUND_CLOSEST(tmp, outrate); if (div < 0x10) div = 0x10; -- 2.19.1 _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
