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authorIngo Molnar <mingo@kernel.org>2021-02-17 14:04:39 +0100
committerIngo Molnar <mingo@kernel.org>2021-02-17 14:04:39 +0100
commited3cd45f8ca873dd320ff7e6b4c1c8f83a65302c (patch)
tree783a02c1e78964654fe6d9a9c14b24bfc50e6b3b /drivers/cpufreq/intel_pstate.c
parentbae4ec13640b0915e7dd86da7e65c5d085160571 (diff)
parentf40ddce88593482919761f74910f42f4b84c004b (diff)
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Merge tag 'v5.11' into sched/core, to pick up fixes & refresh the branch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/cpufreq/intel_pstate.c')
-rw-r--r--drivers/cpufreq/intel_pstate.c15
1 files changed, 3 insertions, 12 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 1a660466dd75..be05e038d956 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -76,11 +76,6 @@ static inline int ceiling_fp(int32_t x)
return ret;
}
-static inline int32_t percent_fp(int percent)
-{
- return div_fp(percent, 100);
-}
-
static inline u64 mul_ext_fp(u64 x, u64 y)
{
return (x * y) >> EXT_FRAC_BITS;
@@ -91,11 +86,6 @@ static inline u64 div_ext_fp(u64 x, u64 y)
return div64_u64(x << EXT_FRAC_BITS, y);
}
-static inline int32_t percent_ext_fp(int percent)
-{
- return div_ext_fp(percent, 100);
-}
-
/**
* struct sample - Store performance sample
* @core_avg_perf: Ratio of APERF/MPERF which is the actual average
@@ -2653,12 +2643,13 @@ static void intel_cpufreq_adjust_perf(unsigned int cpunum,
unsigned long capacity)
{
struct cpudata *cpu = all_cpu_data[cpunum];
+ u64 hwp_cap = READ_ONCE(cpu->hwp_cap_cached);
int old_pstate = cpu->pstate.current_pstate;
int cap_pstate, min_pstate, max_pstate, target_pstate;
update_turbo_state();
- cap_pstate = global.turbo_disabled ? cpu->pstate.max_pstate :
- cpu->pstate.turbo_pstate;
+ cap_pstate = global.turbo_disabled ? HWP_GUARANTEED_PERF(hwp_cap) :
+ HWP_HIGHEST_PERF(hwp_cap);
/* Optimization: Avoid unnecessary divisions. */