Feature Highlights:
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"
- tlp-stat -b: show plugin, supported features, driver usage and related kernel module(s)
- ThinkPads
- Allow deactivation of the start threshold (START_CHARGE_THRESH_BATx=0)
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
Disks
- AHCI_RUNTIME_PM_ON_AC/BAT
- No longer experimental i.e. now enabled by default
- Works only on disks defined in DISK_DEVICES
- Works on NVMe (new), SATA/ATA and plugged in USB (new) disks
- Works on SATA ports
- 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
Graphics
- Add support for amdgpu (Issue #498)
- Improve powerdown of unused GPUs with drivers amdgpu, nouveau, nvidia and without driver (Issues #488, #495, #498)
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
PCI(e) devices
- RUNTIME_PM_ENABLE/DISABLE: permanently enable/disable runtime PM for PCI(e) devices based on address (independent of the power source)
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)
- tlp-stat -p: cpu1..cpuN omitted for clarity, use -v to show all
USB
- USB_EXCLUDE_AUDIO: exclude audio devices from autosuspend (Issue #556)
See the full changelog for remaining features and bugfixes.