diff options
| author | Vincent Donnefort <vincent.donnefort@arm.com> | 2021-09-08 16:05:28 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2021-10-05 16:33:05 +0200 |
| commit | 1f39fa0dccff71d4788089b5e617229b19166867 (patch) | |
| tree | 8fca331769b0d13de90357c1590d783c2633ea5c /drivers/cpufreq/cpufreq_ondemand.c | |
| parent | cpufreq: Add an interface to mark inefficient frequencies (diff) | |
| download | linux-1f39fa0dccff71d4788089b5e617229b19166867.tar.xz linux-1f39fa0dccff71d4788089b5e617229b19166867.zip | |
cpufreq: Introducing CPUFREQ_RELATION_E
This newly introduced flag can be applied by a governor to a CPUFreq
relation, when looking for a frequency within the policy table. The
resolution would then only walk through efficient frequencies.
Even with the flag set, the policy max limit will still be honoured. If no
efficient frequencies can be found within the limits of the policy, an
inefficient one would be returned.
Signed-off-by: Vincent Donnefort <vincent.donnefort@arm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpufreq/cpufreq_ondemand.c')
| -rw-r--r-- | drivers/cpufreq/cpufreq_ondemand.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index eb4320b619c9..f68cad9abd11 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -83,9 +83,11 @@ static unsigned int generic_powersave_bias_target(struct cpufreq_policy *policy, freq_avg = freq_req - freq_reduc; /* Find freq bounds for freq_avg in freq_table */ - index = cpufreq_table_find_index_h(policy, freq_avg); + index = cpufreq_table_find_index_h(policy, freq_avg, + relation & CPUFREQ_RELATION_E); freq_lo = freq_table[index].frequency; - index = cpufreq_table_find_index_l(policy, freq_avg); + index = cpufreq_table_find_index_l(policy, freq_avg, + relation & CPUFREQ_RELATION_E); freq_hi = freq_table[index].frequency; /* Find out how long we have to be in hi and lo freqs */ |