On 09-11-20, 17:52, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki <[email protected]> > > Introduce a new governor flag, CPUFREQ_GOV_FLAG_STRICT_TARGET, for > the govenors that want the target frequency to be set exactly to the > given value without leaving any room for adjustments on the hardware > side and set this flag for the powersave and performance governors. > > Signed-off-by: Rafael J. Wysocki <[email protected]> > --- > drivers/cpufreq/cpufreq_performance.c | 1 + > drivers/cpufreq/cpufreq_powersave.c | 1 + > include/linux/cpufreq.h | 3 +++ > 3 files changed, 5 insertions(+) > > Index: linux-pm/drivers/cpufreq/cpufreq_performance.c > =================================================================== > --- linux-pm.orig/drivers/cpufreq/cpufreq_performance.c > +++ linux-pm/drivers/cpufreq/cpufreq_performance.c > @@ -20,6 +20,7 @@ static void cpufreq_gov_performance_limi > static struct cpufreq_governor cpufreq_gov_performance = { > .name = "performance", > .owner = THIS_MODULE, > + .flags = CPUFREQ_GOV_FLAG_STRICT_TARGET, > .limits = cpufreq_gov_performance_limits, > }; > > Index: linux-pm/drivers/cpufreq/cpufreq_powersave.c > =================================================================== > --- linux-pm.orig/drivers/cpufreq/cpufreq_powersave.c > +++ linux-pm/drivers/cpufreq/cpufreq_powersave.c > @@ -21,6 +21,7 @@ static struct cpufreq_governor cpufreq_g > .name = "powersave", > .limits = cpufreq_gov_powersave_limits, > .owner = THIS_MODULE, > + .flags = CPUFREQ_GOV_FLAG_STRICT_TARGET, > }; > > MODULE_AUTHOR("Dominik Brodowski <[email protected]>"); > Index: linux-pm/include/linux/cpufreq.h > =================================================================== > --- linux-pm.orig/include/linux/cpufreq.h > +++ linux-pm/include/linux/cpufreq.h > @@ -575,6 +575,9 @@ struct cpufreq_governor { > /* For governors which change frequency dynamically by themselves */ > #define CPUFREQ_GOV_FLAG_DYN_SWITCH BIT(0) > > +/* For governors wanting the target frequency to be set exactly */ > +#define CPUFREQ_GOV_FLAG_STRICT_TARGET BIT(1) > + > > /* Pass a target to the cpufreq driver */ > unsigned int cpufreq_driver_fast_switch(struct cpufreq_policy *policy,
Acked-by: Viresh Kumar <[email protected]> -- viresh
