diff mbox series

[V2,2/3] firmware: arm_scmi: Add support for marking certain frequencies as boost

Message ID 20240227173434.650334-3-quic_sibis@quicinc.com
State New
Headers
Series cpufreq: scmi: Add boost frequency support |

Commit Message

Sibi Sankar Feb. 27, 2024, 5:34 p.m. UTC 
  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>
---

v2:
* Remove sustained_freq check. [Pierre]
* simplify sustained_freq_khz calculation. [Sudeep]

 drivers/firmware/arm_scmi/perf.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c
index 981e327e63e3..caf6191df300 100644
--- a/drivers/firmware/arm_scmi/perf.c
+++ b/drivers/firmware/arm_scmi/perf.c
@@ -850,7 +850,7 @@  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;
 
@@ -858,12 +858,18 @@  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;