diff options
-rw-r--r-- | drivers/cpufreq/intel_pstate.c | 12 | ||||
-rw-r--r-- | include/linux/cpuidle.h | 3 | ||||
-rw-r--r-- | kernel/sched/idle.c | 2 |
3 files changed, 13 insertions, 4 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 0d159b513469..ee367e9b7d2e 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c | |||
@@ -1460,6 +1460,9 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy) | |||
1460 | 1460 | ||
1461 | intel_pstate_clear_update_util_hook(policy->cpu); | 1461 | intel_pstate_clear_update_util_hook(policy->cpu); |
1462 | 1462 | ||
1463 | pr_debug("set_policy cpuinfo.max %u policy->max %u\n", | ||
1464 | policy->cpuinfo.max_freq, policy->max); | ||
1465 | |||
1463 | cpu = all_cpu_data[0]; | 1466 | cpu = all_cpu_data[0]; |
1464 | if (cpu->pstate.max_pstate_physical > cpu->pstate.max_pstate && | 1467 | if (cpu->pstate.max_pstate_physical > cpu->pstate.max_pstate && |
1465 | policy->max < policy->cpuinfo.max_freq && | 1468 | policy->max < policy->cpuinfo.max_freq && |
@@ -1495,13 +1498,13 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy) | |||
1495 | limits->max_sysfs_pct); | 1498 | limits->max_sysfs_pct); |
1496 | limits->max_perf_pct = max(limits->min_policy_pct, | 1499 | limits->max_perf_pct = max(limits->min_policy_pct, |
1497 | limits->max_perf_pct); | 1500 | limits->max_perf_pct); |
1498 | limits->max_perf = round_up(limits->max_perf, FRAC_BITS); | ||
1499 | 1501 | ||
1500 | /* Make sure min_perf_pct <= max_perf_pct */ | 1502 | /* Make sure min_perf_pct <= max_perf_pct */ |
1501 | limits->min_perf_pct = min(limits->max_perf_pct, limits->min_perf_pct); | 1503 | limits->min_perf_pct = min(limits->max_perf_pct, limits->min_perf_pct); |
1502 | 1504 | ||
1503 | limits->min_perf = div_fp(limits->min_perf_pct, 100); | 1505 | limits->min_perf = div_fp(limits->min_perf_pct, 100); |
1504 | limits->max_perf = div_fp(limits->max_perf_pct, 100); | 1506 | limits->max_perf = div_fp(limits->max_perf_pct, 100); |
1507 | limits->max_perf = round_up(limits->max_perf, FRAC_BITS); | ||
1505 | 1508 | ||
1506 | out: | 1509 | out: |
1507 | intel_pstate_set_update_util_hook(policy->cpu); | 1510 | intel_pstate_set_update_util_hook(policy->cpu); |
@@ -1558,8 +1561,11 @@ static int intel_pstate_cpu_init(struct cpufreq_policy *policy) | |||
1558 | 1561 | ||
1559 | /* cpuinfo and default policy values */ | 1562 | /* cpuinfo and default policy values */ |
1560 | policy->cpuinfo.min_freq = cpu->pstate.min_pstate * cpu->pstate.scaling; | 1563 | policy->cpuinfo.min_freq = cpu->pstate.min_pstate * cpu->pstate.scaling; |
1561 | policy->cpuinfo.max_freq = | 1564 | update_turbo_state(); |
1562 | cpu->pstate.turbo_pstate * cpu->pstate.scaling; | 1565 | policy->cpuinfo.max_freq = limits->turbo_disabled ? |
1566 | cpu->pstate.max_pstate : cpu->pstate.turbo_pstate; | ||
1567 | policy->cpuinfo.max_freq *= cpu->pstate.scaling; | ||
1568 | |||
1563 | intel_pstate_init_acpi_perf_limits(policy); | 1569 | intel_pstate_init_acpi_perf_limits(policy); |
1564 | policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL; | 1570 | policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL; |
1565 | cpumask_set_cpu(policy->cpu, policy->cpus); | 1571 | cpumask_set_cpu(policy->cpu, policy->cpus); |
diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h index 786ad32631a6..07b83d32f66c 100644 --- a/include/linux/cpuidle.h +++ b/include/linux/cpuidle.h | |||
@@ -152,6 +152,8 @@ extern void cpuidle_disable_device(struct cpuidle_device *dev); | |||
152 | extern int cpuidle_play_dead(void); | 152 | extern int cpuidle_play_dead(void); |
153 | 153 | ||
154 | extern struct cpuidle_driver *cpuidle_get_cpu_driver(struct cpuidle_device *dev); | 154 | extern struct cpuidle_driver *cpuidle_get_cpu_driver(struct cpuidle_device *dev); |
155 | static inline struct cpuidle_device *cpuidle_get_device(void) | ||
156 | {return __this_cpu_read(cpuidle_devices); } | ||
155 | #else | 157 | #else |
156 | static inline void disable_cpuidle(void) { } | 158 | static inline void disable_cpuidle(void) { } |
157 | static inline bool cpuidle_not_available(struct cpuidle_driver *drv, | 159 | static inline bool cpuidle_not_available(struct cpuidle_driver *drv, |
@@ -187,6 +189,7 @@ static inline void cpuidle_disable_device(struct cpuidle_device *dev) { } | |||
187 | static inline int cpuidle_play_dead(void) {return -ENODEV; } | 189 | static inline int cpuidle_play_dead(void) {return -ENODEV; } |
188 | static inline struct cpuidle_driver *cpuidle_get_cpu_driver( | 190 | static inline struct cpuidle_driver *cpuidle_get_cpu_driver( |
189 | struct cpuidle_device *dev) {return NULL; } | 191 | struct cpuidle_device *dev) {return NULL; } |
192 | static inline struct cpuidle_device *cpuidle_get_device(void) {return NULL; } | ||
190 | #endif | 193 | #endif |
191 | 194 | ||
192 | #if defined(CONFIG_CPU_IDLE) && defined(CONFIG_SUSPEND) | 195 | #if defined(CONFIG_CPU_IDLE) && defined(CONFIG_SUSPEND) |
diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c index bd12c6c714ec..c5aeedf4e93a 100644 --- a/kernel/sched/idle.c +++ b/kernel/sched/idle.c | |||
@@ -127,7 +127,7 @@ static int call_cpuidle(struct cpuidle_driver *drv, struct cpuidle_device *dev, | |||
127 | */ | 127 | */ |
128 | static void cpuidle_idle_call(void) | 128 | static void cpuidle_idle_call(void) |
129 | { | 129 | { |
130 | struct cpuidle_device *dev = __this_cpu_read(cpuidle_devices); | 130 | struct cpuidle_device *dev = cpuidle_get_device(); |
131 | struct cpuidle_driver *drv = cpuidle_get_cpu_driver(dev); | 131 | struct cpuidle_driver *drv = cpuidle_get_cpu_driver(dev); |
132 | int next_state, entered_state; | 132 | int next_state, entered_state; |
133 | 133 | ||