diff options
| author | Derek J. Clark <derekjohn.clark@gmail.com> | 2025-11-27 07:16:03 -0800 |
|---|---|---|
| committer | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2025-11-28 12:03:22 +0200 |
| commit | 5aefbf5b68794870ccec126cd68bbfd1ee09283a (patch) | |
| tree | 4c7a9e673a8987aec471123a8ec922b52f8424d8 | |
| parent | 0b39ce8f71c92c72681d9a678298a9a59ff9b5d3 (diff) | |
acpi: platform_profile - Add max-power profile option
Some devices, namely Lenovo Legion devices, have an "extreme" mode where
power draw is at the maximum limit of the cooling hardware. Add a new
"max-power" platform profile to properly reflect this operating mode.
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Acked-by: Rafael J. Wysocki (Intel) <rafael@kernel.org>
Signed-off-by: Derek J. Clark <derekjohn.clark@gmail.com>
Reviewed-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Link: https://patch.msgid.link/20251127151605.1018026-2-derekjohn.clark@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-platform-profile | 2 | ||||
| -rw-r--r-- | drivers/acpi/platform_profile.c | 7 | ||||
| -rw-r--r-- | include/linux/platform_profile.h | 1 |
3 files changed, 8 insertions, 2 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-platform-profile b/Documentation/ABI/testing/sysfs-class-platform-profile index dc72adfb830a..fcab26894ec3 100644 --- a/Documentation/ABI/testing/sysfs-class-platform-profile +++ b/Documentation/ABI/testing/sysfs-class-platform-profile @@ -23,6 +23,8 @@ Description: This file contains a space-separated list of profiles supported power consumption with a slight bias towards performance performance High performance operation + max-power Higher performance operation that may exceed + internal battery draw limits when on AC power custom Driver defined custom profile ==================== ======================================== diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c index b43f4459a4f6..ea04a8c69215 100644 --- a/drivers/acpi/platform_profile.c +++ b/drivers/acpi/platform_profile.c @@ -37,6 +37,7 @@ static const char * const profile_names[] = { [PLATFORM_PROFILE_BALANCED] = "balanced", [PLATFORM_PROFILE_BALANCED_PERFORMANCE] = "balanced-performance", [PLATFORM_PROFILE_PERFORMANCE] = "performance", + [PLATFORM_PROFILE_MAX_POWER] = "max-power", [PLATFORM_PROFILE_CUSTOM] = "custom", }; static_assert(ARRAY_SIZE(profile_names) == PLATFORM_PROFILE_LAST); @@ -506,7 +507,8 @@ int platform_profile_cycle(void) if (err) return err; - if (profile == PLATFORM_PROFILE_CUSTOM || + if (profile == PLATFORM_PROFILE_MAX_POWER || + profile == PLATFORM_PROFILE_CUSTOM || profile == PLATFORM_PROFILE_LAST) return -EINVAL; @@ -515,7 +517,8 @@ int platform_profile_cycle(void) if (err) return err; - /* never iterate into a custom if all drivers supported it */ + /* never iterate into a custom or max power if all drivers supported it */ + clear_bit(PLATFORM_PROFILE_MAX_POWER, data.aggregate); clear_bit(PLATFORM_PROFILE_CUSTOM, data.aggregate); next = find_next_bit_wrap(data.aggregate, diff --git a/include/linux/platform_profile.h b/include/linux/platform_profile.h index a299225ab92e..855b28340e95 100644 --- a/include/linux/platform_profile.h +++ b/include/linux/platform_profile.h @@ -24,6 +24,7 @@ enum platform_profile_option { PLATFORM_PROFILE_BALANCED, PLATFORM_PROFILE_BALANCED_PERFORMANCE, PLATFORM_PROFILE_PERFORMANCE, + PLATFORM_PROFILE_MAX_POWER, PLATFORM_PROFILE_CUSTOM, PLATFORM_PROFILE_LAST, /*must always be last */ }; |