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

[bugzilla-daemon at freedesktop.org]

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

--- Comment #13 from maximlevitsky at gmail.com 2011-08-01 00:16:20 PDT ---
Created an attachment (id=49772)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=49772)
full reclocking trace

Thanks!, I didn't yet test this, but I am 100% sure that patch will work on my
system.

Meanwhile, I was playing with full reclocking trace, and I attach it here.
I kept all (or at least vast majority) of PFB accesses so that you could look
what it does to memory timings.

It reduces power usage to 15.5W (and blob it about 15.3W).
When I replay it, then load nouveau, then fix flag register and powerdown
unused DAC, I get 15.8W. If I run full blown desktop, I am getting ~16W while I
let the system go idle. Pretty impressive, considering that on stock nouveau,
21W was lower bound for power usage....

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