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Many ACPI & Power Management Changes Head Into Linux 3.16

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  • Many ACPI & Power Management Changes Head Into Linux 3.16

    Phoronix: Many ACPI & Power Management Changes Head Into Linux 3.16

    Rafael Wysocki has sent in his ACPI and power management pull that will target the next Linux kernel release cycle...

    http://www.phoronix.com/vr.php?view=MTcxMjE

  • #2
    Are these parameters still any useful
    https://wiki.manjaro.org/index.php?t...ithout_UEFI.29

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    • #3
      Originally posted by Bucic View Post
      Are these parameters still any useful
      https://wiki.manjaro.org/index.php?t...ithout_UEFI.29
      Some of them are incorrect (like i915_ ones, the prefix was removed) and acpi_osi/acpi_backlight to fix the backlight are no longer needed for most laptops, video.use_native_backlight=1 works better (which is supposed to be default in 3.16, but I don't see it in the pull request though).

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      • #4
        Backlight controls are broken on my laptop due to multiple backlights appearing in /sys and the Kernel changing the wrong one, which means I have to change them manually in the Terminal, it worked before 3.8. It's a Windows 8/8.1 UEFI Laptop.

        Does this mean it might be fixed?

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        • #5
          I'm not trying to be a negative nancy, but everytime they mess with ACPI and power management, something gets horribly screwed up and Michael puts out a power regression post. It is like clock work.

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          • #6
            Originally posted by AnAkIn View Post
            Some of them are incorrect (like i915_ ones, the prefix was removed)...
            What do you mean? If I intend to use the options I should remove the 'i915_' bits?

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            • #7
              Originally posted by Bucic View Post
              What do you mean? If I intend to use the options I should remove the 'i915_' bits?
              Depends on the kernel you use, apparently the i915_ part was only removed in 3.15. I thought it was in a older kernel as the patch was made back in January.

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              • #8
                Originally posted by AnAkIn View Post
                Depends on the kernel you use, apparently the i915_ part was only removed in 3.15. I thought it was in a older kernel as the patch was made back in January.
                I see. Thank you.

                PS. I've read recently on a call to ditch <somepowerapi> in linux. Which 'API' was it? ACPI, APM or something else?

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                • #9
                  Originally posted by Bucic View Post
                  I see. Thank you.

                  PS. I've read recently on a call to ditch <somepowerapi> in linux. Which 'API' was it? ACPI, APM or something else?
                  ACPI http://www.phoronix.com/scan.php?pag...tem&px=MTYzMjg

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                  • #10
                    I hope they fixed problem I have with my laptop..
                    I use laptop for main computer, so I have monitor hooked up to it, so laptop lid always stays closed...
                    ...but every time I shutdown/reboot computer, as soon as it exits from KDE and goes to the command-line view (to do the last few things before shutdown) it goes to sleep because the laptop lid is closed.....
                    ....so I have to open the laptop lid, then it wakes back up so it can continue shutting-down, then I can close the lid again.....Really annoying..

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