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Revert "cpuidle: governors: qcom-lpm: Do not disable CPUidle during suspend"

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This reverts commit 7dcee2dc40.

Delayed core wakeup mess up the cluster genpd sd counter post
late suspend phase. Disallow cpuidle during suspend.

Change-Id: I8f1a06214ee7a05d38c2941550877ae70abcf15c
Signed-off-by: Raghavendra Kakarla <quic_rkakarla@quicinc.com>
This commit is contained in:
Raghavendra Kakarla 2024-01-18 09:04:29 +05:30
parent 465c6c6a12
commit b700529dba
1 changed files with 13 additions and 2 deletions
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15
drivers/cpuidle/governors/qcom-lpm.c
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@ -3,7 +3,7 @@
* Copyright (C) 2006-2007 Adam Belay <abelay@novell.com>
* Copyright (C) 2009 Intel Corporation
* Copyright (c) 2012-2021, The Linux Foundation. All rights reserved.
* Copyright (c) 2022-2023, Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2022-2024, Qualcomm Innovation Center, Inc. All rights reserved.
*/
#include <linux/cpu.h>
@ -67,6 +67,9 @@ static bool lpm_disallowed(s64 sleep_ns, int cpu)
uint64_t bias_time = 0;
#endif
if (suspend_in_progress)
return true;
if (!check_cpu_isactive(cpu))
return false;
@ -801,14 +804,22 @@ static void lpm_disable_device(struct cpuidle_driver *drv,
static void qcom_lpm_suspend_trace(void *unused, const char *action,
int event, bool start)
{
int cpu;
if (start && !strcmp("dpm_suspend_late", action)) {
suspend_in_progress = true;
for_each_online_cpu(cpu)
wake_up_if_idle(cpu);
return;
}
if (!start && !strcmp("dpm_resume_early", action))
if (!start && !strcmp("dpm_resume_early", action)) {
suspend_in_progress = false;
for_each_online_cpu(cpu)
wake_up_if_idle(cpu);
}
}
static struct cpuidle_governor lpm_governor = {