--- Comment #9 from Wolfgang Ulbrich <chat-to-me(a)raveit.de> 2014-05-21 15:35:56 CEST
(In reply to comment #8)
(In reply to comment #5)
> I'm not shure if the prime kernel implementation with 3.13 does the same.
> I never test it because of missing Guides, and it is only for the nouveau
> But the bbswitch mod is very useful for users like me, whose only watching
> hd-videos, using compiz on a notebook and don't play games.
> For this profile i don't need the discrete nvidia card. The integrated intel
> card does his job well for this case and it is pretty useful to switch off the
> discrete card to decrease power consumption.
Starting with 3.12, you should have the discrete card already off with stock
Fedora components (Nouveau, Radeon, Intel, Mesa).
Just check the content of /sys/kernel/debug/vgaswitcheroo/switch, you should
see "Off" or "DynPwr" for the discrete chip.
I do not have this directory.
[root@satellite rave]# ls /sys/kernel/debug/
acpi bluetooth cleancache dma_buf dynamic_debug frontswap hid
ips kprobes mce pinctrl sched_features suspend_stats usb
bdi boot_params clk dri extfrag gpio ieee80211
iwlwifi kvm mei regmap sleep_time tracing wakeup_sources
[root@satellite rave]# rpm -qa kernel\*
kernel 3.14.2 is running and nouveau mod is loaded, in result the unneeded
discrete nvidia card is running without bbswitch mod.
Maybe there is a needed package not installed?
Note, in my notebook (MSI fx700) bios i don't have an option to switch/power
off graphic cards.
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