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Re: [Libreboot-dev] c3 and c4 states for macbooks

From: Albin
Subject: Re: [Libreboot-dev] c3 and c4 states for macbooks
Date: Tue, 17 May 2016 16:05:56 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Icedove/38.7.2

This is awesome news, Arthur, but has it been tested?  Do you have a
macbook2,1 yourself?

I've been waiting a long time for this.  Two years ago I tried the first
libreboot version for the macbook2,1 which had no c states at all and
got 85--90 degrees hot.  Then I tried Leah's experimental ROM which was
created, I believe, like you've done it -- by copying the c-state values
from the x60.  This didn't work, however, and my computer got bricked.
I've since unbricked it but I'm hesitant to try it again, unless
somebody could prepare an image with a working fallback mechanism.



Den 2016-05-17 kl. 11:47, skrev Arthur Heymans:
> Hi
> Now the macbook have up to c2 states. This patch just makes the c-states
> entries identical to the x60/t60.
> This should just work as it cpu-specific and those targets have cpu's
> that support those low power states
> This would make the macbooks run cooler and have a longer battery on not
> cpu intensive work.

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