this post was submitted on 21 Apr 2024
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Linux Mint battery tuning for Framework 16 (infosec.pub)
submitted 3 months ago by [email protected] to c/[email protected]
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Anyone have a list of changes that they've made to increase battery life? I've got about three hours (with 80% limit in BIOS, which I might get rid of), so I'm sure there's a lot that can be changed.

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[–] [email protected] 6 points 3 months ago (2 children)

I think the most important ones are:

  • CPU_SCALING_GOVERNOR_ON_BAT
  • CPU_ENERGY_PERF_POLICY_ON_BAT
  • CPU_BOOST_ON_BAT
  • CPU_HWP_DYN_BOOST_ON_BAT
  • SATA_LINKPWR_ON_BAT (this had an issue where it corrupted data, but that was a few years ago so it should be fine)
  • AHCI__RUNTIME_PM_ON_BAT
  • WIFI_PWR_ON_BAT
  • PCIE_ASPM_ON_BAT
  • RUNTIME_PM_ON_BAT

(I haven't used these myself because I don't have a radeon card, but it should improve battery life for you):

  • RADEON_DPM_PERF_LEVEL_ON_BAT
  • RADEON_DPM_STATE_ON_BAT

I had to set USB_AUTOSUSPEND=0 because otherwise my usb devices kept turning off, but you might not need this.

[–] tyrant 2 points 3 months ago

I love when people are this helpful to each other. <3

[–] [email protected] 1 points 3 months ago (1 children)

Thank you so much! I've uncommented all of these.

[–] [email protected] 1 points 3 months ago (1 children)

did it help?

[–] [email protected] 1 points 3 months ago

It basically immediately caused my laptop to freeze up and I had to hard reboot it. I took the opportunity as it was coming up to remove the 80% limit in the BIOS, and then I commented everything I had uncommented. :/