diff mbox series

[v2,1/4] cpufreq: mediatek: CCI support SoC , the transition_delay set to 10 ms

Message ID 20241108063942.19744-2-chun-jen.tseng@mediatek.com (mailing list archive)
State New
Headers show
Series fixed mediatek-cpufreq has multi policy concurrency issue | expand

Commit Message

Mark Tseng Nov. 8, 2024, 6:39 a.m. UTC 
SoC with CCI architecture should set transition_delay to 10 ms because
cpufreq need to call devfreq notifier in async mode. if delay less than
10 ms, it may get wrong OPP-level in devfreq passive governor.

Signed-off-by: Mark Tseng <chun-jen.tseng@mediatek.com>
---
 drivers/cpufreq/mediatek-cpufreq.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/cpufreq/mediatek-cpufreq.c b/drivers/cpufreq/mediatek-cpufreq.c
index 663f61565cf7..f63183154e9a 100644
--- a/drivers/cpufreq/mediatek-cpufreq.c
+++ b/drivers/cpufreq/mediatek-cpufreq.c
@@ -597,6 +597,9 @@  static int mtk_cpufreq_init(struct cpufreq_policy *policy)
 	policy->driver_data = info;
 	policy->clk = info->cpu_clk;
 
+	if (info->soc_data->ccifreq_supported)
+		policy->transition_delay_us = 10000;
+
 	return 0;
 }