[PATCH 2/3] firmware: arm_scmi: Add support for marking certain frequencies as boost

Sibi Sankar
2024-01-17T11:05:23Z

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 | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c
index e286f04ee6e3..d3fb8c804b3d 100644
--- a/drivers/firmware/arm_scmi/perf.c
+++ b/drivers/firmware/arm_scmi/perf.c
@@ -811,7 +811,7 @@ 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;

@@ -819,12 +819,21 @@ static int scmi_dvfs_device_opps_add(const struct scmi_protocol_handle *ph,
if (IS_ERR(dom))
return PTR_ERR(dom);

+ if (!dom->level_indexing_mode)
+ sustained_freq = dom->sustained_perf_level * dom->mult_factor;
+ else
+ sustained_freq = dom->sustained_freq_khz * dom->mult_factor;
+
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 (sustained_freq && freq > sustained_freq)
+ data.turbo = true;
+
data.level = dom->opp[idx].perf;
data.freq = freq;

--
2.34.1