[Nouveau] [Bug 37922] NV86: too high power usage.

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Aug 3 18:06:49 PDT 2011


https://bugs.freedesktop.org/show_bug.cgi?id=37922

--- Comment #18 from maximlevitsky at gmail.com 2011-08-03 18:06:49 PDT ---
Of course that is power usage while idle and many things (like wireless) turned
off, but I for very long time measure power usage in these units (and to be
sure I have a boot script triggered by grub parameter that sets these for me).

While nouveau is loaded power usage is 16.5W on framebuffer console (and I
check and print it every 1 sec, so screen redraw load isn't that low).

While in full KDE session with compiz running, but system otherwise idle, power
usage is 16.9W.

Of course when I actually use the system power usage is at 20-22W, but thats
the same as with blob.

Full screen brightness (compared to lowest) of course adds ~3W, but I always 
set it to lowest while on battery and in room conditions its more that enough.

So standard stuff, you know....

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