rpivid: Use clk_get_max_rate()

The driver was using clk_round_rate() to figure out the maximum clock
rate that was allowed for the HEVC clock.

Since we have a function to return it directly now, let's use it.

Signed-off-by: Maxime Ripard <[email protected]>

Author: mripard

drivers/staging/media/rpivid/rpivid_video.c

@@ -558,7 +558,7 @@ static int start_clock(struct rpivid_dev *dev, struct rpivid_ctx *ctx)
 	long max_hevc_clock;
 	int rv;
 
-	max_hevc_clock = clk_round_rate(dev->clock, ULONG_MAX);
+	max_hevc_clock = clk_get_max_rate(dev->clock);
 
 	rv = clk_set_min_rate(dev->clock, max_hevc_clock);
 	if (rv) {