23.12.2020 07:19, Viresh Kumar пишет: > On 22-12-20, 22:15, Dmitry Osipenko wrote: >> 22.12.2020 09:42, Viresh Kumar пишет: >>> On 17-12-20, 21:06, Dmitry Osipenko wrote: >>>> Add a ceil version of the dev_pm_opp_find_level(). It's handy to have if >>>> levels don't start from 0 in OPP table and zero usually means a minimal >>>> level. >>>> >>>> Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx> >>> >>> Why doesn't the exact version work for you here ? >>> >> >> The exact version won't find OPP for level=0 if levels don't start with >> 0, where 0 means that minimal level is desired. > > Right, but why do you need to send 0 for your platform ? > To put power domain into the lowest performance state when device is idling. https://elixir.bootlin.com/linux/v5.10-rc2/source/drivers/opp/core.c#L897 https://elixir.bootlin.com/linux/v5.10-rc2/source/drivers/opp/core.c#L785 Also please see patch 32, tegra_clock_runtime_suspend().
