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authorArnaldo Carvalho de Melo <acme@redhat.com>2017-06-19 15:14:35 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-06-19 15:14:35 -0300
commit8052bd8243e823a0954bcbafda8f91072598f13d (patch)
treee5f1502735c2a75fbe865cf57582d2e8354e6f43 /drivers/cpufreq/intel_pstate.c
parentd0fabd1cb8b70073a0f44f1cf8b663b5e7241c74 (diff)
parent531c221df182af5a7fc2bf7ba7eee89354fe9a10 (diff)
Merge remote-tracking branch 'tip/perf/urgent' into perf/core
Merge branch 'perf/urgent' into perf/core, to pick up fixes Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'drivers/cpufreq/intel_pstate.c')
-rw-r--r--drivers/cpufreq/intel_pstate.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index b7de5bd76a31..eb1158532de3 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -571,9 +571,10 @@ static inline void update_turbo_state(void)
static int min_perf_pct_min(void)
{
struct cpudata *cpu = all_cpu_data[0];
+ int turbo_pstate = cpu->pstate.turbo_pstate;
- return DIV_ROUND_UP(cpu->pstate.min_pstate * 100,
- cpu->pstate.turbo_pstate);
+ return turbo_pstate ?
+ DIV_ROUND_UP(cpu->pstate.min_pstate * 100, turbo_pstate) : 0;
}
static s16 intel_pstate_get_epb(struct cpudata *cpu_data)