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PM / QoS: add flag to indicate latency applies system-wide

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By default, the QoS resume latency currenly only applied to runtime PM
decisions.

Add new PM_QOS_FLAG_LATENCY_SYS flag to indicate that the
resume latency QoS constraint should be applied to system-wide
PM *in addition to* runtime PM.

Acked-by: Rafael J. Wysocki (Intel) <rafael@kernel.org>
Reviewed-by: Kendall Willis <k-willis@ti.com>
Signed-off-by: Kevin Hilman (TI) <khilman@baylibre.com>
Signed-off-by: Ulf Hansson <ulfh@kernel.org>
This commit is contained in:
Kevin Hilman (TI) 2026-09-24 13:29:56 -07:00 committed by Ulf Hansson
parent 7260dfd672
commit 4ff08254de
1 changed files with 2 additions and 0 deletions
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2
include/linux/pm_qos.h
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@ -37,6 +37,8 @@ enum pm_qos_flags_status {
#define PM_QOS_LATENCY_TOLERANCE_NO_CONSTRAINT (-1)
#define PM_QOS_FLAG_NO_POWER_OFF (1 << 0)
/* latency value applies to system-wide suspend/s2idle */
#define PM_QOS_FLAG_LATENCY_SYS (2 << 0)
enum pm_qos_type {
PM_QOS_UNITIALIZED,