Re: [Fwd: Re: enable i915 rc6 save 7 watt on kernel 3.2]
Am Freitag, 20. Januar 2012 schrieb keitho@strucktower.com:
> > On Thu, Jan 19, 2012 at 10:29:19AM +0100, Martin Steigerwald wrote:
> >> merkaba:~> cat /etc/modprobe.d/i915-kms.conf
> >> options i915 modeset=1 i915_enable_rc6=1 i915_enable_fbc=1
> >> semaphores=1
>
> When I try to use this line of options I get an error message saying
> i915_enable_fcb is an unknown parameter. Is that for kernel 3.2 only?
That was misspelled as you found out meanwhile.
> What does that parameter refer to? I tried googling on
> "i915_enable_fcb" to no avail.
Look at my initial response, I added the links in the comments for this
configuration file for a reason.
Especially:
merkaba:~> cat /etc/modprobe.d/i915-kms.conf
[…]
# Eugeni Dodonov, Intel Linux Graphics
# Following the open source road from Kernel to UI toolkits
# http://www.scribd.com/doc/73071712/Intel-Linux-Graphics
options i915 modeset=1 i915_enable_rc6=1 i915_enable_fbc=1 semaphores=1
I do not use a power meter. I used earlier powertop versions (prior to
version 2) with my ThinkPad T42 on battery, the newer ones do not show
power consumption on battery anymore. I think it should be viewable by
some acpi command.
Ciao,
--
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7
Reply to: