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changelog
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+++ 1.9.0-alpha.0 --- <unreleased> +++
* Development version
* Features
Battery Care:
- tlp-stat -b: advertise chargeonce, discharge, recalibrate features individually
Graphics:
- RADEON_POWER_PROFILE_ON_AC/BAT removed
Processor:
- tlp-stat -p -v: show current frequency per core (scaling_cur_freq)
- tlp-stat -t -v: show all individual sensors
* Bugfixes
Battery Care:
- ThinkPads:
- Fix X201, X220 discharge (Issue #793)
- Fix bash completion for tlp discharge on tp-smapi models
+++ 1.8.0 --- 13.02.2025 +++
* Features since 1.8.0-beta.1
General:
- tlp.8 manpage: explain battery name command parameters
- tlp.conf: parameter qualifiers don't have to match battery names
Battery Care:
- bash completion: suggest stop threshold as target level for tlp discharge
* Bugfixes since 1.8.0-beta.1
Battery Care:
- Dell: point to BIOS Admin password as cause of a threshold write error
(Issue #785)
+++ 1.8.0-beta.1 --- 19.01.2025 +++
* Beta Release
* Features
Battery Care:
- Chromebooks modded with chrultrabook/coreboot custom UEFI firmware
running kernel 6.12.8 (or later): stop threshold, recalibration;
latest Chromebooks with EC firmware v3 also support a start threshold
(Issue #765)
- Dell laptops with kernel 6.12 (or later): start and stop threshold
(Issue #379)
- Framework laptops with kernel 6.12.8 (or later): stop threshold,
recalibration (Issue #765)
- ThinkPads:
- tlp discharge to a target percentage
- Discharge code refactored, messages improved
- tlp chargeonce: better explain the process in the output
Diagnostic:
- tlp-stat --psup: add readings
Graphics:
- AMDGPU_ABM_LEVEL_ON_AC/BAT: write only when a change is made
to avoid unnecessary screen flickering
- RADEON_POWER_PROFILE_ON_AC/BAT: *DEPRECATED* feature will be
removed in TLP 1.9
Processor:
- tlp-stat -p -v: show boost per core (amd-pstate needs kernel >= 6.11)
* Bugfixes
Operation:
- Use AC mode for desktop PCs if no power source can be detected
(Issue #768)
Processor:
- tlp-stat -t: discover all coretemp sensors
Radio Devices:
- RDW: if LAN gets disconnected in suspend, ensure wifi activation
upon resume
+++ 1.7.0 --- 27.09.2024 +++
* No changes since 1.7.0-beta.2
+++ 1.7.0-beta.2 --- 20.09.2024 +++
* Beta release
* Features since 1.7.0-beta.1
Processor:
- tlp-stat -p: identify CPU model on ARM systems
* Bugfixes since 1.7.0-beta.1
Battery:
- ThinkPads:
- Fix premature abort of discharge/recalibrate for *20 models
(Issue #759)
- Fix ThinkPad X13s ARM power source detection (Issue #758)
- tlp-stat -b: do not recommend kernel 5.17 for coreboot,
as coreboot does not support discharge/recalibrate anyway.
USB:
- tlp-stat -u: filter out error messages
+++ 1.7.0-beta.1 --- 04.09.2024 +++
* Beta release
* Features
Battery Care:
- Apple Silicon Macbooks (M*) with MacOS 13.0 (or later) firmware and
Asahi Linux kernel 6.6 (or later): start and stop threshold
- MSI laptops supported by the msi_ec driver in kernel 6.3 (or later):
start and stop threshold (Issue #707)
- Lenovo laptops (non-ThinkPad series): tlp-stat -b: number 60% removed
because the threshold varies by model (Issue #717)
- LG Gram laptops: forward to lg-legacy for kernel <= 5.17 only
- ThinkPads:
- The obsolete tpacpi-bat driver along with the acpi_call dependency
were removed. Current Linux distributions ship with kernel 5.17 or
later, which enables battery care via the built-in thinkpad_acpi.
- tlp-stat -b improvements for coreboot:
- Fix charge readings (Issue #657)
- Indicate when recalibration is not possible
- tlp-stat -b: Highlight battery care status
- tlp setcharge, tlp-stat -b: display a recommendation to use the laptop
on battery power until the battery is discharged to the stop threshold
Disks:
- tlp-stat -d: replace disk serial number with asterisks (for privacy)
General:
- TLP_MSG_COLORS: highlight error, warning, notice and success messages
in color.
- Add option --version to all TLP commands
- Add tlp-stat output options:
-m|--mode: print current power mode
-q|--quiet: omit version header and show less information in the
processor category
- Add Fish shell command completion
- Improve busybox compatibility by using only portable options for flock
Graphics:
- AMDGPU_ABM_LEVEL_ON_AC/BAT: configure display panel power savings via
Adaptive Backlight Modulation (ABM) from AMD Vega or newer GPUs;
kernel 6.9 required
Processor:
- CPU_ENERGY_PERF_POLICY_ON_AC/BAT: drop backwards compatibility for
EPB with kernels < 5.2; x86_energy_perf_policy is no longer required
- CPU_HWP_DYN_BOOST_ON_AC/BAT: drop the AMD implementation; the
corresponding kernel patch was discarded during the 2022 review,
reincarnation seems unlikely
- tlp-stat -t:
- Show AMD CPU temperatures
- Indicate unavailable fan speed
Radio Devices:
- DEVICES_TO_ENABLE/DISABLE_ON_SHUTDOWN removed
USB:
- USB_AUTOSUSPEND_DISABLE_ON_SHUTDOWN removed
* Bugfixes
Battery:
- ThinkPads:
- Fix Edge 11 battery enumeration (Issue #714)
- Support ThinkPad W510
Disks:
- Ensure power saving for all USB disks when plugged in
- tlp diskid: filter duplicates
General:
- tlp-stat -s: rework manual mode detection (Issue #702)
- tlp-stat --psup/udev: fix udev rule check
Radio Devices:
- Avoid error popups from NetworkManager when switching wifi/wwan
USB:
- Prevent USB devices from being unrecognized or malfunctioning on battery;
adds xhci_hcd to RUNTIME_PM_DRIVER_DENYLIST defaults (Issues #436, #587)
+++ 1.6.1 --- 18.09.2023 +++
* Bugfixes
Battery:
- LG Gram laptops: ensure lg-legacy is used for kernel <= 5.17 (Issue #708)
General:
- tlp-stat -s: report manual mode despite restrictive umask (Issue #702)
+++ 1.6.0 --- 24.08.2023 +++
* Changes since 1.6.0-beta.1
Battery:
- System76: default start threshold set to 90% (due to EC firmware change)
Processor:
- CPU_DRIVER_OPMODE_ON_AC/BAT: check if operation mode is actually
supported by the current CPU driver
+++ 1.6.0-beta.1 --- 20.07.2023 +++
* Beta release
* Features
Battery:
- LG Gram laptops:
- Use standard sysfs attribute 'charge_control_end_threshold'
provided by kernel 5.18 and newer
- Restore threshold after hibernate
- System76 laptops with open source EC firmware:
start and stop threshold
- ThinkPads: model detection adapted for Libreboot (Issue #679)
- Toshiba/Dynabook laptops: stop threshold 80/100%
Configuration:
- Allow comments (#) after parameters (Issue #598)
- tlp-stat -c/--cdiff: append a notice to deprecated or removed
parameters
Disks:
- SATA_LINKPWR_ON_AC/BAT: remove fallbacks for outdated kernels
before 4.15 from defaults (still available via explicit configuration)
General:
- Allow coexistence with power-profiles-daemon: do not apply
PLATFORM_PROFILE_ON_AC/BAT, CPU_ENERGY_PERF_POLICY_ON_AC/BAT and
CPU_BOOST_ON_BAT/BAT when it is running
- MEM_SLEEP_ON_AC/BAT: change system suspend mode
- Add ZSH command completion
- tlp-stat -s:
- Silence warnings about unmasked systemd-rfkill.service/.socket
when DEVICES_TO_ENABLE/DISABLE_ON_STARTUP is actually unconfigured
- Show EC firmware version
- Show system suspend mode
- Show proper ThinkPad model string with Libreboot (Issue #679)
PCI(e) devices:
- RUNTIME_PM_ENABLE/DISABLE: apply even when RUNTIME_PM_ON_AC/BAT
is disabled (Issue #614)
Processor:
- CPU_DRIVER_OPMODE_ON_AC/BAT: set CPU scaling driver operation mode
(active, guided, passive); amd-pstate/intel_pstate driver required
- CPU_ENERGY_PERF_POLICY_ON_AC/BAT: support AMD Zen 2 or newer CPUs;
kernel 6.3 with amd-pstate driver in active mode required
- CPU_HWP_DYN_BOOST_ON_AC/BAT: *EXPERIMENTAL* support AMD Zen 2 or
newer CPUs; yet unreleased kernel 6.x and amd-pstate driver
in active mode required
- SCHED_POWERSAVE_ON_AC/BAT removed (unavailable since kernel 3.5)
- tlp-stat -p:
- Show amd-pstate operation mode, dynamic boost and performance
attributes
- Show min/max operating frequency the processor can run at
(cpuinfo_min/max_freq) and limit imposed by the BIOS (bios_limit)
- (-v) Show acpi_cppc performance and frequency attributes
Radio Devices:
- Support Thunderbolt docks to switch radio devices
- DEVICES_TO_ENABLE/DISABLE_ON_SHUTDOWN: *DEPRECATED* feature will be
removed in TLP 1.7
USB:
- USB_AUTOSUSPEND_DISABLE_ON_SHUTDOWN: *DEPRECATED* feature will be
removed in TLP 1.7
* Bugfixes
Configuration:
- Strip trailing blanks from unquoted parameter values
Operation:
- Deactivate AHCI_RUNTIME_PM and PCIE_ASPM before suspend to avoid
resume freezes (Issue #593, #606, #698)
Processor:
- Set governor although not listed in scaling_available_governors
+++ 1.5.0 --- 07.01.2022 +++
* Bugfixes
- tlp-stat: drop PM_RUNTIME=y kernel config recommendation
+++ 1.5.0-beta.1 --- 20.12.2021 +++
* Beta release
* Features
Battery:
- Sony laptops: stop threshold 50/80/100% aka "battery care limiter"
- ThinkPads:
- Use new sysfs attribute 'charge_behaviour' for recalibration
- Support T400 running coreboot via natacpi (Issue #601)
- tlp-stat -b: display "cycle_count = 0" with the note "or not supported"
Radio Devices:
- Add support for switching NFC devices
- Remove support for wireless-tools (iwconfig)
* Bugfixes
Battery:
- ASUS laptops: apply stop threshold reliably on boot and after hibernate
(Issue #589)
Disks:
- tlp-stat -d: display correct sysfs path for disk runtime pm:
/sys/block/<DISK>/device/power/control (Issue #606)
+++ 1.4.0 --- 24.09.2021 +++
* Features
Audio:
- SOUND_POWER_SAVE_ON_AC: change default to enabled (Issue #495)
Battery:
- "Battery Features" renamed to "Battery Care"
- Introduce plugins to support Battery Care for non-ThinkPads:
- ASUS laptops: stop threshold
- Huawei MateBooks: start and stop threshold
- LG Gram laptops: stop threshold at 80% aka "battery care limit"
- Lenovo laptops: stop threshold at 60% aka "battery conservation mode"
- Samsung laptops: stop threshold at 80% aka "battery life extender"
- ThinkPads
- Allow deactivation of the start threshold (START_CHARGE_THRESH_BATx=0)
- Discharge malfunction: hint to check battery and charger
- Use standard sysfs attributes for charge thresholds
(Issue #513)
- Flag ThinkPad L512 as "unsupported"
- Validate charge threshold configuration, don't fail silently
- tlp-stat -b
- Battery Care: show plugin, supported features, driver usage and
related kernel module(s)
- Map battery state "Unknown" to "Idle" for clarity
Configuration:
- tlp-stat --cdiff: show configuration differing from defaults
- PARAMETER+="add values": append values to a parameter already defined
as intrinsic default or in a *previously* read file (Issue #457)
- TLP_WARN_LEVEL: warn about invalid settings, configurable for background
tasks and command line
- Rename parameters (backwards compatible to legacy config files):
SATA_LINKPWR_BLACKLIST -> SATA_LINKPWR_DENYLIST
RUNTIME_PM_BLACKLIST -> RUNTIME_PM_DENYLIST
RUNTIME_PM_DRIVER_BLACKLIST -> RUNTIME_PM_DRIVER_DENYLIST
USB_BLACKLIST -> USB_DENYLIST
USB_BLACKLIST_BTUSB -> USB_EXCLUDE_BTUSB
USB_BLACKLIST_PHONE -> USB_EXCLUDE_PHONE
USB_BLACKLIST_PRINTER -> USB_EXCLUDE_PRINTER
USB_BLACKLIST_WWAN -> USB_EXCLUDE_WWAN
USB_WHITELIST -> USB_ALLOWLIST
Disks:
- AHCI_RUNTIME_PM_ON_AC/BAT:
- Works only on disks defined in DISK_DEVICES
- Works on NVMe (new), SATA/ATA and plugged in USB (new) disks
- Works on SATA ports
- No longer experimental i.e. now enabled by default; the previously
existing risk of system freezes (and data loss) with the multiqueue
scheduler is now eliminated:
- Kernel >= 4.19 itself locks unsafe disk runtime pm
- TLP generally locks it for kernel < 4.19
- DISK_APM_CLASS_DENYLIST: exclude disk classes from APM, i.e. you may
now activate it for USB and IEEE1394 drives (Issue #523)
- DISK_APM_LEVEL_ON_AC/BAT, DISK_SPINDOWN_TIMEOUT_ON_AC, DISK_IOSCHED:
now also work when plugging in USB disks; provided disk is contained in
DISK_DEVICES and 'usb' is removed from DISK_APM_CLASS_DENYLIST
- tlp-stat -d
- Explain why AHCI_RUNTIME_PM is locked for a disk
- Show disks attached to SATA links/ports
- Show a disk's host (for SATA_LINKPWR_DENYLIST)
- Show ALPM state in the sysfs directory of the AHCI host
- Show IDs for all disks configured in DISK_DEVICES
- Distinguish SATA from ATA(IDE) disks
- Show NVMe disk temperature
General:
- power-profiles-daemon: issue error messages about conflicting service
- tlp-stat -s: determine OS release without the lsb_release utility
Graphics:
- Add support for amdgpu (Issue #498)
- Improve powerdown of unused GPUs with drivers amdgpu, nouveau,
nvidia and without driver (Issues #488, #495, #498)
- tlp-stat -g:
- List all GPUs with at least the driver info
- Show hybrid graphics switch state (switcheroo)
- Intel GPU:
- Show hardware min/max frequency instead of
list of available frequencies (kernel change)
- Show more informative RC6, FBC and PSR status where available
(Issue #203)
Operation Mode AC/BAT:
- Speed up system shutdown/suspend by not applying AC settings anymore
- TLP_PS_IGNORE: add USB; allow to ignore multiple power supply classes
- tlp-stat -s: speed up power source detection
- tlp-stat --psup/udev: check if udev rules for power source changes and
connecting USB devices are active
PCI(e) devices:
- RUNTIME_PM_ENABLE/DISABLE: permanently enable/disable runtime PM for
PCI(e) devices based on address (independent of the power source)
- RUNTIME_PM_DENYLIST: remove amdgpu, nvidia, pcieport from defaults
- tlp-stat -e -v: show device runtime_status
Platform:
- PLATFORM_PROFILE_ON_AC/BAT: select platform profile to control system
operating characteristics around power/performance levels, thermal
and fan speed
- tlp-stat -p: show state of ThinkPad lapmode
Processor:
- CPU_HWP_DYN_BOOST_ON_AC/BAT: Intel CPU HWP dynamic boost (Issue #468)
- Remove backwards compatibility of CPU_ENERGY_PERF_POLICY_ON_AC/BAT with
ENERGY_PERF_POLICY_ON_AC/BAT to prevent performance issues caused by the
value 'power' in legacy configurations
- PHC_CONTROLS removed (obsolete)
- tlp-stat -p:
- cpu1..cpuN omitted for clarity, use -v to show all
- Sort more than 10 CPU cores in proper numerical order
- Show intel_pstate operation mode ("status")
- Omit "EPB: unsupported" for AMD or non-intel_pstate CPUs
USB:
- USB_EXCLUDE_AUDIO: exclude audio devices from autosuspend (Issue #556)
- tlp-stat -u -v: show device runtime_status
* Bugfixes
Battery Care:
- tlp discharge/recalibrate:
- Terminate properly when AC/charger is removed
- Check support on ThinkPads because of Coreboot (Issue #547)
- [Try to] mitigate false threshold readouts caused by a firmware issue
on ThinkPad A/E/L/S/X series (Issue #369)
Disks:
- Issue #474: confine AHCI_RUNTIME_PM_ON_AC/BAT to SATA disks
Graphics:
- Issue #488: Idle temperature 20 °C higher on battery (Nvidia GPU)
- Issue #495: SOUND_POWER_SAVE_ON_AC=0 prevents powerdown of Nvidia GPU
- Issue #522: Intel GPU settings fail -> validate configuration
Operation Mode AC/BAT:
- Issue #573: power mode not updating when switching from AC to battery
Processor:
- Issue #570: no_turbo=1 decreases scaling_max_freq on ThinkPad X1 Gen9
* 1.4.0 Bugfixes since beta.2
Battery:
- tlp start: catch missing threshold method
Configuration:
- Ignore trailing blanks on non-quoted parameter values
- tlp-stat --cdiff: do not show user config lines matching the default
Disks:
- Confine plugin event handling to USB
+++ 1.4.0-beta.2 --- 09.09.2021 +++
* Beta release
* Bugfixes
Battery:
- Huawei: use legacy interface 'charge_control_thresholds' for reliability
- LG: fix battery and battery_care_limit detection (Issue #568)
- ThinkPad: fix enforcement via NATACPI_ENABLE, TPAPCI_ENABLE
Operation Mode AC/BAT:
- Issue #573: power mode not updating when switching from AC to battery
Platform:
- tlp-stat -p: show state of ThinkPad lapmode
Processor:
- Issue #570: no_turbo=1 decreases scaling_max_freq on ThinkPad X1 Gen9
- tlp-stat -p: omit "EPB: unsupported" for AMD or non-intel_pstate CPUs
+++ 1.4.0-beta.1 --- 29.07.2021 +++
* Beta release
* Features
Audio:
- SOUND_POWER_SAVE_ON_AC: change default to enabled (Issue #495)
Battery:
- "Battery Features" renamed to "Battery Care"
- Introduce plugins to support Battery Care for non-ThinkPads:
- ASUS laptops: stop threshold
- Huawei MateBooks: start and stop threshold
- LG Gram laptops: stop threshold at 80% aka "battery care limit"
- Lenovo laptops: stop threshold at 60% aka "battery conservation mode"
- Samsung laptops: stop threshold at 80% aka "battery life extender"
- ThinkPads
- Allow deactivation of the start threshold (START_CHARGE_THRESH_BATx=0)
- Discharge malfunction: hint to check battery and charger
- Use standard sysfs attributes for charge thresholds
(Issue #513)
- Flag ThinkPad L512 as "unsupported"
- Validate charge threshold configuration, don't fail silently
- tlp-stat -b
- Battery Care: show plugin, supported features, driver usage and
related kernel module(s)
- Map battery state "Unknown" to "Idle" for clarity
Configuration:
- tlp-stat --cdiff: show configuration differing from defaults
- PARAMETER+="add values": append values to a parameter already defined
as intrinsic default or in a *previously* read file (Issue #457)
- TLP_WARN_LEVEL: warn about invalid settings, configurable for background
tasks and command line
- Rename parameters (backwards compatible to legacy config files):
SATA_LINKPWR_BLACKLIST -> SATA_LINKPWR_DENYLIST
RUNTIME_PM_BLACKLIST -> RUNTIME_PM_DENYLIST
RUNTIME_PM_DRIVER_BLACKLIST -> RUNTIME_PM_DRIVER_DENYLIST
USB_BLACKLIST -> USB_DENYLIST
USB_BLACKLIST_BTUSB -> USB_EXCLUDE_BTUSB
USB_BLACKLIST_PHONE -> USB_EXCLUDE_PHONE
USB_BLACKLIST_PRINTER -> USB_EXCLUDE_PRINTER
USB_BLACKLIST_WWAN -> USB_EXCLUDE_WWAN
USB_WHITELIST -> USB_ALLOWLIST
Disks:
- AHCI_RUNTIME_PM_ON_AC/BAT:
- Works only on disks defined in DISK_DEVICES
- Works on NVMe (new), SATA/ATA and plugged in USB (new) disks
- Works on SATA ports
- No longer experimental i.e. now enabled by default; the previously
existing risk of system freezes (and data loss) with the multiqueue
scheduler is now eliminated:
- Kernel >= 4.19 itself locks unsafe disk runtime pm
- TLP generally locks it for kernel < 4.19
- DISK_APM_CLASS_DENYLIST: exclude disk classes from APM, i.e. you may
now activate it for USB and IEEE1394 drives (Issue #523)
- DISK_APM_LEVEL_ON_AC/BAT, DISK_SPINDOWN_TIMEOUT_ON_AC, DISK_IOSCHED:
now also work when plugging in USB disks; provided disk is contained in
DISK_DEVICES and 'usb' is removed from DISK_APM_CLASS_DENYLIST
- tlp-stat -d
- Explain why AHCI_RUNTIME_PM is locked for a disk
- Show disks attached to SATA links/ports
- Show a disk's host (for SATA_LINKPWR_DENYLIST)
- Show ALPM state in the sysfs directory of the AHCI host
- Show IDs for all disks configured in DISK_DEVICES
- Distinguish SATA from ATA(IDE) disks
- Show NVMe disk temperature
General:
- power-profiles-daemon: issue error messages about conflicting service
- tlp-stat -s: determine OS release without the lsb_release utility
Graphics:
- Add support for amdgpu (Issue #498)
- Improve powerdown of unused GPUs with drivers amdgpu, nouveau,
nvidia and without driver (Issues #488, #495, #498)
- tlp-stat -g:
- List all GPUs with at least the driver info
- Show hybrid graphics switch state (switcheroo)
- Intel GPU:
- Show hardware min/max frequency instead of
list of available frequencies (kernel change)
- Show more informative RC6, FBC and PSR status where available
(Issue #203)
Operation Mode AC/BAT:
- Speed up system shutdown/suspend by not applying AC settings anymore
- TLP_PS_IGNORE: add USB; allow to ignore multiple power supply classes
- tlp-stat -s: speed up power source detection
- tlp-stat --psup/udev: check if udev rules for power source changes and
connecting USB devices are active
PCI(e) devices:
- RUNTIME_PM_ENABLE/DISABLE: permanently enable/disable runtime PM for
PCI(e) devices based on address (independent of the power source)
- RUNTIME_PM_DENYLIST: remove amdgpu, nvidia, pcieport from defaults
- tlp-stat -e -v: show device runtime_status
Platform:
- PLATFORM_PROFILE_ON_AC/BAT: select platform profile to control system
operating characteristics around power/performance levels, thermal
and fan speed
Processor:
- CPU_HWP_DYN_BOOST_ON_AC/BAT: Intel CPU HWP dynamic boost (Issue #468)
- Remove backwards compatibility of CPU_ENERGY_PERF_POLICY_ON_AC/BAT with
ENERGY_PERF_POLICY_ON_AC/BAT to prevent performance issues caused by the
value 'power' in legacy configurations
- PHC_CONTROLS removed (obsolete)
- tlp-stat -p:
- cpu1..cpuN omitted for clarity, use -v to show all
- Sort more than 10 CPU cores in proper numerical order
- Show intel_pstate operation mode ("status")
USB:
- USB_EXCLUDE_AUDIO: exclude audio devices from autosuspend (Issue #556)
- tlp-stat -u -v: show device runtime_status
* Bugfixes
Battery Care:
- tlp discharge/recalibrate:
- Terminate properly when AC/charger is removed
- Check support on ThinkPads because of Coreboot (Issue #547)
- [Try to] mitigate false threshold readouts caused by a firmware issue
on ThinkPad A/E/L/S/X series (Issue #369)
Disks:
- Issue #474: confine AHCI_RUNTIME_PM_ON_AC/BAT to SATA disks
Graphics:
- Issue #488: Idle temperature 20 °C higher on battery (Nvidia GPU)
- Issue #495: SOUND_POWER_SAVE_ON_AC=0 prevents powerdown of Nvidia GPU
- Issue #522: Intel GPU settings fail -> validate configuration
+++ 1.3.1 --- 06.02.2020 +++
* Bugfixes
Processor:
- Issue #460: default CPU_ENERGY_PERF_POLICY_ON_BAT=power too aggressive
+++ 1.3.0 --- 31.01.2020 +++
* Features
New configuration scheme:
- /etc/default/tlp is replaced by /etc/tlp.conf
- Settings are read in the following order:
1. Intrinsic defaults
2. /etc/tlp.d/*.conf - Drop-in customization snippets
3. /etc/tlp.conf - User configuration
In case of identical parameters, the last occurrence has precedence
- Parse config files instead of sourcing --> no more shell expansion
Battery Features, tlp-stat -b:
- Charge thresholds: better checks for command line and configuration;
clearer error messages
- tlp discharge: error message "check your hardware" when battery wasn't
completely discharged (Issue #438)
- Distinguish between "no kernel support" for natacpi (< 4.17) and
"laptop not supported" (>= 4.17)
- Supplement battery status "Unknown" with "threshold may prevent
charging" when thresholds are available only
General:
- systemd: replace tlp-sleep.service with /lib/systemd/system-sleep/tlp
Operation Mode AC/BAT:
- TLP_PS_IGNORE: power supply class to ignore when determining operation
mode; workaround for laptops reporting incorrect AC or battery status
(Issue #446)
PCI(e) devices:
- PCIE_ASPM_ON_AC/BAT: add method 'powersupersave' (Issue #425)
Processor:
- CPU_ENERGY_PERF_POLICY_ON_AC/BAT: backward compatible merge of
settings for Intel energy vs. performance policies
EPB (ENERGY_PERF_POLICY_ON_AC/BAT) and HWP.EPP (CPU_HWP_ON_AC/BAT);
when HWP.EPP is available, EPB is not set; validate parameters;
eliminate external tool x86_energy_perf_policy for kernel >= 5.2
tlp-stat:
- Configuration: show file where the parameter comes from
- System Info:
- Show SELinux status
- Show RDW as 'disabled' when TLP is disabled as a whole
- Indicate persistent mode
- Intel CPU: don't show EPB values when HWP.EPP is active (see above)
- PCIe ASPM: show available policies
- Undervolting: remove "PHC kernel not available" message
* Bugfixes
Battery Features:
- Issue #415: ThinkPad X240 discharge BAT1 malfunction when BAT0 is not
installed
Disks:
- Fix NVMe detection on Linux 4.15
tlp-stat:
- Issue #430: ignore hid device batteries
+++ 1.2.2 --- 04.05.2019 +++
* Bugfixes
Battery Features, tlp-stat -b:
- Show data for batteries named other than BAT0/BAT1 (non-ThinkPads)
- Issue #395: ThinkPad X1C6 discharge malfunction
- Separate checks for charge thresholds and recalibration
- Intelligible recommendation for tp-smapi on ThinkPad X220/T420 et al.
- Explain "Battery Features: Charge Thresholds and Recalibrate"
Disks:
- Fix type determination
Operation Mode AC/BAT:
- MacBookPro 5.3: workaround for false AC offline status
Processor, tlp-stat -p:
- Fix read of /sys/devices/system/cpu/cpufreq/boost
- x86_energy_perf_policy: detect unsupported CPUs in newer versions
Radio Devices:
- Issue #404: make RESTORE_DEVICE_STATE_ON_STARTUP=1 persistent again
+++ 1.2.1 --- 18.03.2019 +++
* Bugfix
- Issue #391: unknown command "chargeonce"
+++ 1.2 --- 11.03.2019 +++
* Features
Disks:
- Support for NVMe devices
- Support for removable drives e.g. USB / IEE1394 devices
- Improve support for multi queue I/O schedulers (blk-mq)
General:
- tlp bat/ac: keep manual power settings until tlp start (Issue #349)
- Remove all pm-utils scripts (Issue #363)
- tlp/tlp-stat: Temporarily overwrite configuration for one program
invocation only: -- PARAM=value ...
- Document intrinsic defaults in config file (Issue #353)
- Code verified with ShellCheck
Graphics:
- INTEL_GPU_MIN_FREQ_ON_AC/BAT, INTEL_GPU_MAX_FREQ_ON_AC/BAT,
INTEL_GPU_BOOST_FREQ_ON_AC/BAT: Intel GPU frequency limits
Radio Devices:
- tlp-rdw: new command to disable RDW actions temporarily (until reboot)
- Support ThinkPad Pro Dock CS18 (17ef:306f)
- USB_BLACKLIST_WWAN: disable by default
- Retire compatibility with Network Manager 0.9.8 (Ubuntu 14.04 EOL)
PCI(e) devices:
- RUNTIME_PM_BLACKLIST: add mei_me, pcieport
ThinkPad Battery:
- New native kernel API for battery features "natacpi" (Issue #321);
requires kernel 4.17; enabled by default
- NATACPI_ENABLE, TPACPI_ENABLE, TPSMAPI_ENABLE: make all battery feature
drivers switchable
- tlp discharge/recalibrate: exclude multiple simultaneous invocations
- Support ThinkPad 25, *80 (Coffee Lake) and all newer models
tlp-stat:
- Check systemd-rfkill.socket masked status
- Disks: show all configured devices (consider default)
- Intel GPU: show frequency limits and available frequencies
- Rename "Suggestions" section to "Recommendations"
- Remove invocation via 'tlp stat'
USB:
- Exclude scanners managed by libsane from autosuspend
- Remove long deprecated level/autosuspend attributes
* Bugfixes
- Issue #193: do not try to start NetworkManager (systemd)
- Issue #319: get_disk_dev logic is not compatible with NVMe devices
- Issue #320: AC mode not detected with USB charger
- Issue #331: Process '/usr/bin/tlp auto' failed with exit code 4
- Issue #332: zsh parse error in tlp diskid
- Issue #343, #362, #375: circumvent broken AC/charger detection
- Issue #344: keep ASPM default to enable deeper C-states on AC
- Issue #356: fix writing sequence for start/stop charge thresholds
- Issue #368: recognize Think*p*ad P50
- tlp-stat: filter HWP lines from x86_energy_perf_policy output
+++ 1.1 --- 24.01.2018 +++
* Features
Disks:
- SATA_LINKPWR_ON_AC/BAT: try multiple values to support new recommended
ALPM policy "med_power_with_dipm" in kernel 4.15
Processor:
- Issue #297: ENERGY_PERF_POLICY_ON_AC/BAT: support changed values
performance, balance-performance, default, balance-power, power
ThinkPad Battery:
- Support ThinkPad 13 1st & 2nd Gen, E130; new tpacpi-bat version
- tlp-stat --psup: show ASLbase for tpacpi-bat (in device/path)
- tlp discharge: show state of battery and force_discharge
USB:
- USB_BLACKLIST_PRINTER: exclude printers from autosuspend
* Bugfixes
- Issue #271: intercept link_power_management_policy write error
- Issue #283: fix AC power detection for MacBook Pro 2017
- Issue #298: move runtime data from /var/run/tlp to /run/tlp
- Issue #301: DEVICES_TO_DISABLE_ON_BAT_NOT_IN_USE="bluetooth"
not working as expected
- Issue #313: don't detect wireless input devices' batteries as power supply
+++ 1.0 --- 25.05.2017 +++
* Features
General:
- TLP_PERSISTENT_DEFAULT: use TLP_DEFAULT_MODE regardless of the actual
power source
Device Bays:
- BAY_POWEROFF_ON_AC: power off optical drive not only on bat (Issue #243)
Graphics:
- RUNTIME_PM_DRIVER_BLACKLIST: when unconfigured default to
"amdgpu nouveau nvidia radeon"; driver default control=auto allows
PRIME/Bumblebee to turn the dGPU off and prevents accidential power-on
during boot as well
- Exclude Nvidia dGPU from runtime power management even when no driver
is associated (improve compatibility with Bumblebee)
PCI(e) devices
- RUNTIME_PM_ALL removed (default to RUNTIME_PM_ALL=1 internally)
Processor:
- CPU_HWP_ON_AC/BAT: HWP energy performance hints; needs kernel 4.10 and
Intel Skylake CPU or newer, intel_pstate only
ThinkPad Battery:
- RESTORE_THRESHOLDS_ON_BAT: restore charge thresholds on battery
- Detect ThinkPad *70 models (Kaby Lake)
- Detect ThinkPad 13 (1st and 2nd Gen) as unsupported (Issue #227)
- Change texts "ThinkPad (extended) battery functions" to
"ThinkPad battery features"
- tlp-stat:
- Show "Charge total %" when more than one battery is present
- Show battery temperature (tp-smapi only)
- Show "unsupported" instead of "not installed" for tp-smapi incapable
hardware
USB:
- USB_BLACKLIST_BTUSB: exclude bluetooth devices from autosuspend
(Issue #239)
- USB_BLACKLIST_PHONE: exclude phone devices from autosuspend
(Issue #188)
tlp-stat:
- -g|--graphics: show graphics card data only
- i915: explain enable_psr modes
- --psup: show power supply diagnostic
- SMART attribute G-Sense_Error_Rate (191)
- -v: additional battery voltages
- Workqueue power efficient status
* Bugfixes
- Issue #237: init start: apply powersave regardless of previous state
- Issue #256: tlp-stat: intercept non-existing or invalid charge values
- tlp-stat: show Intel graphics parameters for Ubuntu's i915_bpo module
+++ 0.9 --- 18.08.2016 +++
* Features
General:
- Block concurrent invocation of tlp
Disks:
- AHCI runtime power management for host controllers and attached disks
- SATA_LINKPWR_BLACKLIST: exclude SATA host devices from power management
Radio Devices:
- Finally remove deprecated DEVICES_TO_ENABLE_ON_RADIOSW code
(works with Ubuntu 12.04/Kernel 3.2 only)
- Change WIFI_PWR_ON_AC/BAT default config values to off/on for better
usability (1/5 is still supported for backwards compatibility)
Radio Device Wizard (tlp-rdw):
- Add another ThinkPad OneLink Pro Dock USB LAN (17ef:304)
(ThinkPad) Battery:
- tlp-stat:
- Distinguish incompatible hardware from load errors (Issue #160)
- Display battery charge and capacity values in %
- More selective suggestions for tp-smapi/acpi-call kernel modules
tlp-stat:
- Intel graphics: include i915 parameters enable_dc, enable_psr, modeset
- --pev: monitor power supply udev events (Issue #172)
- Processor:
- Display available scaling governors
- intel_pstate: display turbo_pct, num_pstates
- Storage Devices:
- Recognize blk-mq I/O scheduler
- SMART attributes Power_Cycle_Count, Unused_Rsvd_Blk_Cnt_Tot,
NAND_Writes_1GiB
- Suggestions: add *60 models for tp-smapi/acpi-call
- System Info: display boot mode UEFI / BIOS
- TLP Status:
- Display time and mode of tlp's last invocation
- Issue warning when systemd-rfkill[@].service is not masked
- Wireless: display type in interface list
* Bugfixes
- Issue #163: handle kernel with built-in acpi_call module properly
- Issue #170: battery discharge does not terminate on ThinkPad E-series
- Issue #172: TLP does not notice power source change
- Issue #175: do not touch wifi on shutdown when unconfigured
- Issue #176: optimize rdw locking heuristics
- tlp-stat: fix ata error count (filter "DevExch" caused by bay inserts)
- tp-smapi: do not load on unsupported ThinkPads
- Fix bash completion
+++ 0.8 --- 05.08.2015 +++
* Features
General:
- TLP_DEFAULT_MODE: change default operation mode to AC when no power supply
can be detected (concerns some desktop and embedded hardware only)
Radio Devices:
- Resume: restore bluetooth state (derball2008)
Radio Device Wizard (tlp-rdw):
- Support ThinkPad OneLink Dock Basic/Pro for dock/undock events
- Detect systemd "predictable network interface names" for WWAN
ThinkPad Battery:
- tpacpi-bat: new upstream version 2.2: get ASL path from
/sys/class/power_supply/*/device/path; avoids unnecessary
"AE_NOT_FOUND" kernel messages
- tlp-stat:
- Show "No batteries detected."
- Explain battery status "Unknown" as "threshold effective"
- Show battery cell group voltages (verbose mode, tp-smapi only)
- Show acpi-call suggestion for ThinkPad *40, *50, X1 models
USB:
- Remove USB_DRIVER_BLACKLIST (because of issues #147, #149, see below)
tlp-stat:
- Show warnings for ata errors by default
* Bugfixes
- Issue #123: tlp-stat: detect kernel config with PM_RUNTIME=N
- Issue #124: tlp recalibrate: fix exitcode check
- Issue #133: USB autosuspend: write power/control if actually changing only
- Ignore missing files in /proc/sys/fs/xfs (Gijs Hillenius)
- Issues #147, #149: fix udev event processing for AC/BAT switching
and USB hotplugging (required for udevd v221 and higher)
+++ 0.7 --- 29.01.2015 +++
* Features
Processor:
- Limit max/min P-state to control power dissipation of the CPU
(intel_pstate only)
- Set performance versus energy savings policy (x86_energy_perf_policy)
USB:
- USB_DRIVER_BLACKLIST: exclude devices assigned to the listed drivers
from USB autosuspend; default: usbhid
- USB_BLACKLIST_WWAN: match internal driver list instead of USB vendor ids
- USB_WHITELIST: include devices into USB autosuspend even if
already excluded by the driver or WWAN blacklists
Radio devices:
- DEVICES_TO_ENABLE_ON_AC/DISABLE_ON_BAT/DISABLE_ON_BAT_NOT_IN_USE:
enable/disable radio devices upon change of power source
(excluding connected devices)
ThinkPad Battery:
- Issue #105: provide proper return codes for all battery functions
- Issue #106: setcharge allowed on battery power
- Do not activate new thresholds with force_discharge anymore (tp-smapi)
- tpacpi-bat: support for ThinkPad E325 charge thresholds
Misc:
- RUNTIME_PM_DRIVER_BLACKLIST: exclude PCI(e) devices assigned to drivers;
default: radeon, nouveau (solves issue #94)
- Support Dell Latitude docks
tlp-stat:
- New options -d|--disk, -e|--pcie, -p|--processor,
-s|--system, -u|--usb
- Show driver and connection state for all enabled radio devices
- Show driver name in Runtime PM PCI(e) device list
- Show type and state of docks and device bays
- Show type of init system
- Check if TLP's systemd services are enabled (zenox)
* Bugfixes
Udev:
- Run change of power source in a detached subshell to avoid blocking udev
- Fix dock/undock event processing for ThinkPad Adv Mini Dock and Ultrabase
- Make USB device event processing more robust
- Run in a detached subshell to avoid blocking udev
- Wait 2s for subdevices to populate for proper black/whitelist detection
Misc:
- Support for NM 0.9.10 (Debian Jessie)
- Issue #109: tlp-stat: report "unknown" power source when no AC detected
- Issue #98: do not change autosuspend_delay_ms, keep kernel default
settings (garyp)
- Exclude pseudo usb disks (Raphaël Halimi)
* Misc
- Add AUTHORS file
+++ 0.6 --- 06.10.2014 +++
* Features
- Set systemd service type to simple, allows tlp service
to start asynchronously in the background (Timofey)
- Remove DISABLE_TPACPIBAT from configuration
- Remove DEVICES_TO_ENABLE_ON_RADIOSW from configuration because
it's deprecated: works with Ubuntu 12.04/Kernel 3.2 only
- Enable RUNTIME_PM_ALL by default
- Do not touch kernel settings if param is empty or commented:
DISK_IDLE_SECS_ON, MAX_LOST_WORK_SECS_ON,
SCHED_POWERSAVE_ON, NMI_WATCHDOG,
SATA_LINKPWR_ON, PCIE_ASPM_ON,
RADEON_DPM_STATE_ON, RADEON_POWER_PROFILE_ON,
WIFI_PWR_ON, SOUND_POWER_SAVE_ON, RUNTIME_PM_ON.
- DISK_APM_LEVEL_ON, DISK_SPINDOWN_TIMEOUT_ON, DISK_IOSCHED:
use _ or keep to skip the setting for a particular disk
- tlp-stat
- Consider changed sysfs paths for i915 enable_rc6/fbc
as of kernel 3.15 (M@C)
- Consider changed sysfs paths for hwmon coretemp/sensors
as of kernel 3.15/3.16
- Report speed of all fans, not just the first one
- Show warning for kernel sata errors (possibly) caused by
SATA_LINKPWR_ON_BAT/AC=min/medium power
- Retrieve trace output from systemd journal if present
- Do not disable TLP when laptop-mode-tools is detected,
just output a warning about possible conflicts
* Bugfixes
- Issue #74: Makefile: remove tlp-nop in uninstall-tlp target
(beatinho, peterkenji94)
- Issue #86: tlp-stat: don't suggest tp-smapi on non-ThinkPad
hardware with thinkpad_acpi loaded (sayantandas)
- tlp-stat: do not show /proc/acpi/ibm/fan on Lenovo non-ThinkPad
models (Qasim)
+++ 0.5 --- 24.03.2014 +++
* Features
- tpacpi-bat: auto detection of all ThinkPad models (v2.1)
- tlp-stat: include newer models in tpacpi-bat suggestions
- tlp-rdw: support newer docks
- Handle special case where BAT1 = main battery
(Thinkpad Edge/L/S series)
- Issue #61: sound power save depending on power source ac/bat
- Issue #62: don't touch devices in RUNTIME_PM_BLACKLIST or excluded
by RUNTIME_PM_ALL=0
* Bugfixes
- run-on-ac/bat: check if command exists
- Issue #59: do not write sata link power when not configured
- Fix RESTORE_DEVICE_STATE_ON_STARTUP (fabio)
- Restore bay power state upon resume only when on bat power
and the setting is active (xudabit)
- Use nmcli before rfkill to change radio state; re-enable wifi
on shutdown when not explicitly configured (Ubuntu 14.04)
* Packaging
- Create symlinks instead of hardlinks for bluetooth/wifi/wwan,
run-on-ac/bat
- Makefile: new params TLP_*
- tlp.init: remove requirement $all
+++ 0.4.1 --- 02.01.2014 +++
* Bugfix version (_not_ for Ubuntu/Debian)
* Features
- tpacpi-bat: support ThinkPad E431
* Bugfixes
- Bug #43: tlp-rdw not working with NM 0.9.9/Fedora 20 (wofritz)
- Bug #44: run-on-ac|bat: remove dependency on pm-utils/on_ac_power
+++ 0.4 --- 17.09.2013 +++
* Features
- New radeon dynamic power management (dpm); needs Kernel >= 3.11
(Pali Rohár)
- RUNTIME_PM_BLACKLIST: exclude listed pci(e) device addresses
from Runtime PM (wofritz)
- USB_BLACKLIST_WWAN: exclude wwan devices from usb autosuspend;
works for ids 05c6:* 0bdb:* 1199:* only
- Apply ac settings for faster shutdown
+++ 0.3.11 --- 10.09.2013 +++
*** Testing version (for Arch Linux) ***
* Bugfixes
- Issue #42:
- Remove dependency to on_ac_power (part of pm-utils in
Arch Linux)
- Fix udev rule to detect power source change ac - bat
* Packaging
- Pull request #40: systemd: start tlp.service after
local-fs.target instead of graphical.target (cprussin)
+++ 0.3.10 --- 17.08.2013 +++
*** Testing version (for Arch Linux) ***
* Architecture