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system: fix pm lock issue in dual core mode

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This commit is contained in:
Li Shuai 2021-07-13 14:22:13 +08:00
parent 32ee0bdb29
commit d3b5f97573
1 changed files with 5 additions and 8 deletions
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13
components/esp_pm/pm_impl.c
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@ -115,8 +115,6 @@ static portMUX_TYPE s_switch_lock = portMUX_INITIALIZER_UNLOCKED;
static pm_mode_t s_mode = PM_MODE_CPU_MAX; static pm_mode_t s_mode = PM_MODE_CPU_MAX;
/* True when switch is in progress */ /* True when switch is in progress */
static volatile bool s_is_switching; static volatile bool s_is_switching;
/* When switch is in progress, this is the mode we are switching into */
static pm_mode_t s_new_mode = PM_MODE_CPU_MAX;
/* Number of times each mode was locked */ /* Number of times each mode was locked */
static size_t s_mode_lock_counts[PM_MODE_COUNT]; static size_t s_mode_lock_counts[PM_MODE_COUNT];
/* Bit mask of locked modes. BIT(i) is set iff s_mode_lock_counts[i] > 0. */ /* Bit mask of locked modes. BIT(i) is set iff s_mode_lock_counts[i] > 0. */
@ -405,7 +403,7 @@ void IRAM_ATTR esp_pm_impl_switch_mode(pm_mode_t mode,
#endif // WITH_PROFILING #endif // WITH_PROFILING
} }
portEXIT_CRITICAL_SAFE(&s_switch_lock); portEXIT_CRITICAL_SAFE(&s_switch_lock);
if (need_switch && new_mode != s_mode) { if (need_switch) {
do_switch(new_mode); do_switch(new_mode);
} }
} }
@ -480,10 +478,6 @@ static void IRAM_ATTR do_switch(pm_mode_t new_mode)
if (!s_is_switching) { if (!s_is_switching) {
break; break;
} }
if (s_new_mode <= new_mode) {
portEXIT_CRITICAL_ISR(&s_switch_lock);
return;
}
#ifdef CONFIG_FREERTOS_SYSTICK_USES_CCOUNT #ifdef CONFIG_FREERTOS_SYSTICK_USES_CCOUNT
if (s_need_update_ccompare[core_id]) { if (s_need_update_ccompare[core_id]) {
s_need_update_ccompare[core_id] = false; s_need_update_ccompare[core_id] = false;
@ -491,7 +485,10 @@ static void IRAM_ATTR do_switch(pm_mode_t new_mode)
#endif #endif
portEXIT_CRITICAL_ISR(&s_switch_lock); portEXIT_CRITICAL_ISR(&s_switch_lock);
} while (true); } while (true);
s_new_mode = new_mode; if (new_mode == s_mode) {
portEXIT_CRITICAL_ISR(&s_switch_lock);
return;
}
s_is_switching = true; s_is_switching = true;
bool config_changed = s_config_changed; bool config_changed = s_config_changed;
s_config_changed = false; s_config_changed = false;