21.01.2021 14:17, Viresh Kumar пишет:
> @@ -1074,15 +1091,18 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned
> long target_freq)
>
> if (!ret) {
> ret = _set_opp_bw(opp_table, opp, dev, false);
> - if (!ret)
> + if (!ret) {
> opp_table->enabled = true;
> + dev_pm_opp_put(old_opp);
> +
> + /* Make sure current_opp doesn't get freed */
> + dev_pm_opp_get(opp);
> + opp_table->current_opp = opp;
> + }
> }
I'm a bit surprised that _set_opp_bw() isn't used similarly to
_set_opp_voltage() in _generic_set_opp_regulator().
I'd expect the BW requirement to be raised before the clock rate goes UP.
