[ltp] Possible solution to ACPI power drain with 2.6.10

Tino Keitel linux-thinkpad@linux-thinkpad.org
Tue, 18 Jan 2005 13:40:26 +0100


On Tue, Jan 18, 2005 at 07:15:09 +0100, Bob Alexander wrote:
> Tino Keitel wrote:
> >On Sun, Jan 16, 2005 at 23:02:47 +0100, Michele Lamarca wrote:
> >
> >>Hello everyone,
> >>there's a possible solution from Jürg Billeter, on
> >>http://bugzilla.kernel.org/show_bug.cgi?id=3022.
> >>
> >>He suggests to remove the CONFIG_PPC_PMAC condition in
> >>drivers/video/aty/radeon_pm.c. Doing so, he reduces the power drain
> >>of his T40p.
> >>
> >>This works for me. On my T40 (radeon 7500) power drain went from 2.7
> >>W to 0 .8 W
> >
> 
> Unfortunately my T40 with Radeon 9000 (M9) keeps on draining around 5W 
> per hour in ACPI sleep :(
> 
> I just ekiminated the #define of the CONFIG_PPC_PMAC in the source ... 
> was that enough ?

If I understand it right, you don't need to eliminate the #define, but
allways enable the #define, even on non-PPC-PMAC systems, since the
desired actions will only be taken if CONFIG_PPC_PMAC is defined.

Regards,
Tino