a94e8a56f9
Add support for an MCU powersave WMI call. This is intended to set the MCU in to a low-power mode when sleeping. This mode can cut sleep power use by around half. Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Luke D. Jones <luke@ljones.dev> Link: https://lore.kernel.org/r/20240404001652.86207-9-luke@ljones.dev Signed-off-by: Hans de Goede <hdegoede@redhat.com>
215 lines
5.8 KiB
Plaintext
215 lines
5.8 KiB
Plaintext
What: /sys/devices/platform/<platform>/cpufv
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Date: Oct 2010
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KernelVersion: 2.6.37
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Contact: "Corentin Chary" <corentincj@iksaif.net>
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Description:
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Change CPU clock configuration (write-only).
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There are three available clock configuration:
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* 0 -> Super Performance Mode
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* 1 -> High Performance Mode
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* 2 -> Power Saving Mode
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What: /sys/devices/platform/<platform>/camera
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Date: Jan 2010
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KernelVersion: 2.6.39
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Contact: "Corentin Chary" <corentincj@iksaif.net>
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Description:
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Control the camera. 1 means on, 0 means off.
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What: /sys/devices/platform/<platform>/cardr
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Date: Jan 2010
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KernelVersion: 2.6.39
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Contact: "Corentin Chary" <corentincj@iksaif.net>
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Description:
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Control the card reader. 1 means on, 0 means off.
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What: /sys/devices/platform/<platform>/touchpad
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Date: Jan 2010
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KernelVersion: 2.6.39
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Contact: "Corentin Chary" <corentincj@iksaif.net>
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Description:
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Control the card touchpad. 1 means on, 0 means off.
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What: /sys/devices/platform/<platform>/lid_resume
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Date: May 2012
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KernelVersion: 3.5
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Contact: "AceLan Kao" <acelan.kao@canonical.com>
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Description:
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Resume on lid open. 1 means on, 0 means off.
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What: /sys/devices/platform/<platform>/fan_boost_mode
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Date: Sep 2019
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KernelVersion: 5.3
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Contact: "Yurii Pavlovskyi" <yurii.pavlovskyi@gmail.com>
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Description:
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Fan boost mode:
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* 0 - normal,
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* 1 - overboost,
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* 2 - silent
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What: /sys/devices/platform/<platform>/throttle_thermal_policy
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Date: Dec 2019
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KernelVersion: 5.6
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Contact: "Leonid Maksymchuk" <leonmaxx@gmail.com>
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Description:
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Throttle thermal policy mode:
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* 0 - default,
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* 1 - overboost,
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* 2 - silent
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What: /sys/devices/platform/<platform>/gpu_mux_mode
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Date: Aug 2022
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KernelVersion: 6.1
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Contact: "Luke Jones" <luke@ljones.dev>
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Description:
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Switch the GPU hardware MUX mode. Laptops with this feature can
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can be toggled to boot with only the dGPU (discrete mode) or in
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standard Optimus/Hybrid mode. On switch a reboot is required:
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* 0 - Discrete GPU,
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* 1 - Optimus/Hybrid,
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What: /sys/devices/platform/<platform>/dgpu_disable
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Date: Aug 2022
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KernelVersion: 5.17
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Contact: "Luke Jones" <luke@ljones.dev>
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Description:
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Disable discrete GPU:
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* 0 - Enable dGPU,
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* 1 - Disable dGPU
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What: /sys/devices/platform/<platform>/egpu_enable
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Date: Aug 2022
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KernelVersion: 5.17
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Contact: "Luke Jones" <luke@ljones.dev>
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Description:
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Enable the external GPU paired with ROG X-Flow laptops.
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Toggling this setting will also trigger ACPI to disable the dGPU:
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* 0 - Disable,
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* 1 - Enable
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What: /sys/devices/platform/<platform>/panel_od
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Date: Aug 2022
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KernelVersion: 5.17
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Contact: "Luke Jones" <luke@ljones.dev>
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Description:
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Enable an LCD response-time boost to reduce or remove ghosting:
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* 0 - Disable,
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* 1 - Enable
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What: /sys/devices/platform/<platform>/charge_mode
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Date: Jun 2023
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KernelVersion: 6.5
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Contact: "Luke Jones" <luke@ljones.dev>
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Description:
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Get the current charging mode being used:
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* 1 - Barrel connected charger,
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* 2 - USB-C charging
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* 3 - Both connected, barrel used for charging
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What: /sys/devices/platform/<platform>/egpu_connected
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Date: Jun 2023
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KernelVersion: 6.5
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Contact: "Luke Jones" <luke@ljones.dev>
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Description:
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Show if the egpu (XG Mobile) is correctly connected:
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* 0 - False,
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* 1 - True
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What: /sys/devices/platform/<platform>/mini_led_mode
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Date: Jun 2023
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KernelVersion: 6.5
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Contact: "Luke Jones" <luke@ljones.dev>
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Description:
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Change the mini-LED mode:
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* 0 - Single-zone,
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* 1 - Multi-zone
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* 2 - Multi-zone strong (available on newer generation mini-led)
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What: /sys/devices/platform/<platform>/available_mini_led_mode
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Date: Apr 2024
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KernelVersion: 6.10
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Contact: "Luke Jones" <luke@ljones.dev>
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Description:
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List the available mini-led modes.
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What: /sys/devices/platform/<platform>/ppt_pl1_spl
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Date: Jun 2023
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KernelVersion: 6.5
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Contact: "Luke Jones" <luke@ljones.dev>
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Description:
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Set the Package Power Target total of CPU: PL1 on Intel, SPL on AMD.
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Shown on Intel+Nvidia or AMD+Nvidia based systems:
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* min=5, max=250
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What: /sys/devices/platform/<platform>/ppt_pl2_sppt
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Date: Jun 2023
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KernelVersion: 6.5
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Contact: "Luke Jones" <luke@ljones.dev>
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Description:
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Set the Slow Package Power Tracking Limit of CPU: PL2 on Intel, SPPT,
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on AMD. Shown on Intel+Nvidia or AMD+Nvidia based systems:
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* min=5, max=250
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What: /sys/devices/platform/<platform>/ppt_fppt
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Date: Jun 2023
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KernelVersion: 6.5
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Contact: "Luke Jones" <luke@ljones.dev>
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Description:
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Set the Fast Package Power Tracking Limit of CPU. AMD+Nvidia only:
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* min=5, max=250
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What: /sys/devices/platform/<platform>/ppt_apu_sppt
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Date: Jun 2023
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KernelVersion: 6.5
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Contact: "Luke Jones" <luke@ljones.dev>
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Description:
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Set the APU SPPT limit. Shown on full AMD systems only:
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* min=5, max=130
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What: /sys/devices/platform/<platform>/ppt_platform_sppt
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Date: Jun 2023
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KernelVersion: 6.5
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Contact: "Luke Jones" <luke@ljones.dev>
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Description:
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Set the platform SPPT limit. Shown on full AMD systems only:
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* min=5, max=130
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What: /sys/devices/platform/<platform>/nv_dynamic_boost
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Date: Jun 2023
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KernelVersion: 6.5
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Contact: "Luke Jones" <luke@ljones.dev>
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Description:
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Set the dynamic boost limit of the Nvidia dGPU:
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* min=5, max=25
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What: /sys/devices/platform/<platform>/nv_temp_target
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Date: Jun 2023
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KernelVersion: 6.5
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Contact: "Luke Jones" <luke@ljones.dev>
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Description:
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Set the target temperature limit of the Nvidia dGPU:
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* min=75, max=87
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What: /sys/devices/platform/<platform>/boot_sound
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Date: Apr 2024
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KernelVersion: 6.10
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Contact: "Luke Jones" <luke@ljones.dev>
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Description:
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Set if the BIOS POST sound is played on boot.
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* 0 - False,
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* 1 - True
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What: /sys/devices/platform/<platform>/mcu_powersave
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Date: Apr 2024
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KernelVersion: 6.10
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Contact: "Luke Jones" <luke@ljones.dev>
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Description:
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Set if the MCU can go in to low-power mode on system sleep
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* 0 - False,
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* 1 - True
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