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authorJinyoung Park <jinyoungp@nvidia.com>2013-10-30 19:34:03 +0900
committerGabby Lee <galee@nvidia.com>2013-10-30 09:27:21 -0700
commit665c49bfcf55cdce2987b9e7abe4c2f1eb1207e3 (patch)
treeb12de07389bd18913e81bef9194c78115b879969
parenta55b5a070aabecd0e8550599713c70d6d9844ea6 (diff)
cpufreq: interactive: check freq with policy->curdaily-2013.11.05.1_rel-tegranote-r2-partner
Added check for new target freq with policy->cur before request new target freq. This change is derived from http://git-master/r/#/c/298964/ for stability issues. Bug 1397658. Change-Id: Id263e2c9988873e41ebe95dfcf52dab9d24ddcad Signed-off-by: Jinyoung Park <jinyoungp@nvidia.com> Reviewed-on: http://git-master/r/309571 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Puneet Saxena <puneets@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Gabby Lee <galee@nvidia.com> Tested-by: Gabby Lee <galee@nvidia.com>
-rw-r--r--drivers/cpufreq/cpufreq_interactive.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/cpufreq/cpufreq_interactive.c b/drivers/cpufreq/cpufreq_interactive.c
index 9369e88..e1abd8f 100644
--- a/drivers/cpufreq/cpufreq_interactive.c
+++ b/drivers/cpufreq/cpufreq_interactive.c
@@ -499,9 +499,10 @@ static int cpufreq_interactive_speedchange_task(void *data)
max_freq = pjcpu->target_freq;
}
- __cpufreq_driver_target(pcpu->policy,
- max_freq,
- CPUFREQ_RELATION_H);
+ if (max_freq != pcpu->policy->cur)
+ __cpufreq_driver_target(pcpu->policy,
+ max_freq,
+ CPUFREQ_RELATION_H);
pcpu->freq_change_time_in_idle =
get_cpu_idle_time_us(cpu,