| Message ID | 1447124291-14059-4-git-send-email-srinivas.pandruvada@linux.intel.com (mailing list archive) |
|---|---|
| State | Accepted, archived |
| Delegated to: | Rafael Wysocki |
| Headers | show |
On Monday, November 09, 2015 06:58:11 PM Srinivas Pandruvada wrote: > Since even non core platforms like Atom SoC has _PSS table, we can't > hardcode scaling. Instead we can use cpu->pstate.scaling. We need to > convert to MHz as the scaling values are in KHz. > > Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> > --- > drivers/cpufreq/intel_pstate.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c > index 69dc9b5..50d3cff 100644 > --- a/drivers/cpufreq/intel_pstate.c > +++ b/drivers/cpufreq/intel_pstate.c > @@ -312,7 +312,7 @@ static int intel_pstate_init_perf_limits(struct cpufreq_policy *policy) > * Also need to convert to MHz as _PSS freq is in MHz. > */ > cpu->acpi_perf_data.states[0].core_frequency = > - turbo_pss_ctl * 100; > + turbo_pss_ctl * cpu->pstate.scaling / 1000; > } > > pr_debug("intel_pstate: Updated limits using _PSS 0x%x 0x%x 0x%x\n", > Applied, thanks! Rafael -- To unsubscribe from this list: send the line "unsubscribe linux-pm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 69dc9b5..50d3cff 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -312,7 +312,7 @@ static int intel_pstate_init_perf_limits(struct cpufreq_policy *policy) * Also need to convert to MHz as _PSS freq is in MHz. */ cpu->acpi_perf_data.states[0].core_frequency = - turbo_pss_ctl * 100; + turbo_pss_ctl * cpu->pstate.scaling / 1000; } pr_debug("intel_pstate: Updated limits using _PSS 0x%x 0x%x 0x%x\n",
Since even non core platforms like Atom SoC has _PSS table, we can't hardcode scaling. Instead we can use cpu->pstate.scaling. We need to convert to MHz as the scaling values are in KHz. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> --- drivers/cpufreq/intel_pstate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)