msm: vidc: avoid repeatedly set the same freq



If requested clk_freq is not changed, don't call
clk driver to the same value repeatedly.

Change-Id: I7ff1d7faedb10b06c0371f66b4a6cf6592d165fe
Signed-off-by: Qiwei Liu <qiweil@codeaurora.org>

parent b098e7cf

msm/vidc/hfi_common.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -1326,6 +1326,10 @@ static int __set_clocks(struct venus_hfi_device *device, u32 freq)
		struct clock_info *cl;
		int rc = 0;

		/* bail early if requested clk_freq is not changed */
		if (freq == device->clk_freq)
		return 0;

		venus_hfi_for_each_clock(device, cl) {
		if (cl->has_scaling) {/* has_scaling */
		rc = __set_clk_rate(device, cl, freq);