| Message ID | 20240308104410.385631-2-quic_sibis@quicinc.com |
|---|---|
| State | New |
| Headers | show |
| Series | cpufreq: scmi: Add boost frequency support | expand |
On Fri, Mar 08, 2024 at 04:14:09PM +0530, Sibi Sankar wrote: > All opps above the sustained level/frequency are treated as boost, so mark > them accordingly. > > Suggested-by: Sudeep Holla <sudeep.holla@arm.com> Reviewed-by: Sudeep Holla <sudeep.holla@arm.com> -- Regards, Sudeep
On Mar 08, 2024 at 16:14:09 +0530, Sibi Sankar wrote: > All opps above the sustained level/frequency are treated as boost, so mark I know that we use the terms boost and turbo interchangeably however I would suggest to avoid confusion that we say "treated as turbo" just because the variable is called turbo. > them accordingly. > > Suggested-by: Sudeep Holla <sudeep.holla@arm.com> > Signed-off-by: Sibi Sankar <quic_sibis@quicinc.com> > --- > drivers/firmware/arm_scmi/perf.c | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > > diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c > index 8e832d1ad825..64d9a90bf443 100644 > --- a/drivers/firmware/arm_scmi/perf.c > +++ b/drivers/firmware/arm_scmi/perf.c > @@ -857,7 +857,7 @@ static int scmi_dvfs_device_opps_add(const struct scmi_protocol_handle *ph, > struct device *dev, u32 domain) > { > int idx, ret; > - unsigned long freq; > + unsigned long freq, sustained_freq; > struct dev_pm_opp_data data = {}; > struct perf_dom_info *dom; > > @@ -865,12 +865,18 @@ static int scmi_dvfs_device_opps_add(const struct scmi_protocol_handle *ph, > if (IS_ERR(dom)) > return PTR_ERR(dom); > > + sustained_freq = dom->sustained_freq_khz * 1000UL; > + > for (idx = 0; idx < dom->opp_count; idx++) { > if (!dom->level_indexing_mode) > freq = dom->opp[idx].perf * dom->mult_factor; > else > freq = dom->opp[idx].indicative_freq * dom->mult_factor; > > + /* All opps above the sustained level/frequency are treated as boost */ Same here, would be better to say "turbo" than boost. > + if (freq > sustained_freq) > + data.turbo = true; It's simple enough that we can write it as data.turbo = (freq > sustained_freq_khz*1000) ? true : false; We can avoid an additional variable and all the other code changes.
On 11-03-24, 11:05, Dhruva Gole wrote: > > + if (freq > sustained_freq) > > + data.turbo = true; > > It's simple enough that we can write it as > data.turbo = (freq > sustained_freq_khz*1000) ? true : false; Or: data.turbo = freq > sustained_freq_khz * 1000;
diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c index 8e832d1ad825..64d9a90bf443 100644 --- a/drivers/firmware/arm_scmi/perf.c +++ b/drivers/firmware/arm_scmi/perf.c @@ -857,7 +857,7 @@ static int scmi_dvfs_device_opps_add(const struct scmi_protocol_handle *ph, struct device *dev, u32 domain) { int idx, ret; - unsigned long freq; + unsigned long freq, sustained_freq; struct dev_pm_opp_data data = {}; struct perf_dom_info *dom; @@ -865,12 +865,18 @@ static int scmi_dvfs_device_opps_add(const struct scmi_protocol_handle *ph, if (IS_ERR(dom)) return PTR_ERR(dom); + sustained_freq = dom->sustained_freq_khz * 1000UL; + for (idx = 0; idx < dom->opp_count; idx++) { if (!dom->level_indexing_mode) freq = dom->opp[idx].perf * dom->mult_factor; else freq = dom->opp[idx].indicative_freq * dom->mult_factor; + /* All opps above the sustained level/frequency are treated as boost */ + if (freq > sustained_freq) + data.turbo = true; + data.level = dom->opp[idx].perf; data.freq = freq;
All opps above the sustained level/frequency are treated as boost, so mark them accordingly. Suggested-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Sibi Sankar <quic_sibis@quicinc.com> --- drivers/firmware/arm_scmi/perf.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)