linux-kernel - [PATCH 16/70] cpufreq: interactive: restart above_hispeed

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Date:	Tue, 27 Oct 2015 18:30:04 +0100
From:	Bálint Czobor <czoborbalint@...il.com>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
	Todd Poynor <toddpoynor@...gle.com>,
	Bálint Czobor <czoborbalint@...il.com>
Subject: [PATCH 16/70] cpufreq: interactive: restart above_hispeed_delay at each hispeed load

From: Todd Poynor <toddpoynor@...gle.com>

Change-Id: I2e5b91d45e8806b0ab94ca2301ed671c9af9ab13
Signed-off-by: Todd Poynor <toddpoynor@...gle.com>
Signed-off-by: Bálint Czobor <czoborbalint@...il.com>
---
 drivers/cpufreq/cpufreq_interactive.c |    9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/cpufreq/cpufreq_interactive.c b/drivers/cpufreq/cpufreq_interactive.c
index 7cb2e64..a4ed750 100644
--- a/drivers/cpufreq/cpufreq_interactive.c
+++ b/drivers/cpufreq/cpufreq_interactive.c
@@ -52,6 +52,7 @@ struct cpufreq_interactive_cpuinfo {
 	unsigned int target_freq;
 	unsigned int floor_freq;
 	u64 floor_validate_time;
+	u64 hispeed_validate_time;
 	int governor_enabled;
 };
 
@@ -206,7 +207,7 @@ static void cpufreq_interactive_timer(unsigned long data)
 
 			if (pcpu->target_freq == hispeed_freq &&
 			    new_freq > hispeed_freq &&
-			    pcpu->timer_run_time - pcpu->target_set_time
+			    pcpu->timer_run_time - pcpu->hispeed_validate_time
 			    < above_hispeed_delay_val) {
 				trace_cpufreq_interactive_notyet(data, cpu_load,
 								 pcpu->target_freq,
@@ -218,6 +219,9 @@ static void cpufreq_interactive_timer(unsigned long data)
 		new_freq = pcpu->policy->max * cpu_load / 100;
 	}
 
+	if (new_freq <= hispeed_freq)
+		pcpu->hispeed_validate_time = pcpu->timer_run_time;
+
 	if (cpufreq_frequency_table_target(pcpu->policy, pcpu->freq_table,
 					   new_freq, CPUFREQ_RELATION_H,
 					   &index)) {
@@ -505,6 +509,7 @@ static void cpufreq_interactive_boost(void)
 			cpumask_set_cpu(i, &up_cpumask);
 			pcpu->target_set_time_in_idle =
 				get_cpu_idle_time_us(i, &pcpu->target_set_time);
+			pcpu->hispeed_validate_time = pcpu->target_set_time;
 			anyboost = 1;
 		}
 
@@ -838,6 +843,8 @@ static int cpufreq_governor_interactive(struct cpufreq_policy *policy,
 			pcpu->floor_freq = pcpu->target_freq;
 			pcpu->floor_validate_time =
 				pcpu->target_set_time;
+			pcpu->hispeed_validate_time =
+				pcpu->target_set_time;
 			pcpu->governor_enabled = 1;
 			smp_wmb();
 		}
-- 
1.7.9.5

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