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opp: Update the bandwidth on OPP frequency changes 

If the OPP bandwidth values are populated, we want to switch also the
interconnect bandwidth in addition to frequency and voltage.

Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
This commit is contained in:
Georgi Djakov 2020-05-12 15:53:23 +03:00 committed by Viresh Kumar
parent 120e117bdc
commit fe2af40250
1 changed files with 12 additions and 1 deletions
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13
drivers/opp/core.c
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@ -808,7 +808,7 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq)
unsigned long freq, old_freq, temp_freq;
struct dev_pm_opp *old_opp, *opp;
struct clk *clk;
int ret;
int ret, i;
opp_table = _find_opp_table(dev);
if (IS_ERR(opp_table)) {
@ -909,6 +909,17 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq)
dev_err(dev, "Failed to set required opps: %d\n", ret);
}
if (!ret && opp_table->paths) {
for (i = 0; i < opp_table->path_count; i++) {
ret = icc_set_bw(opp_table->paths[i],
opp->bandwidth[i].avg,
opp->bandwidth[i].peak);
if (ret)
dev_err(dev, "Failed to set bandwidth[%d]: %d\n",
i, ret);
}
}
put_opp:
dev_pm_opp_put(opp);
put_old_opp: