Messages in this thread | | | Date | Fri, 13 Nov 2009 15:34:39 -0600 | From | Larry Finger <> | Subject | Re: 64-bit DMA problems with BCM4312 using b43 |
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On 11/13/2009 03:13 PM, Matthew Garrett wrote: > On Fri, Nov 13, 2009 at 03:05:18PM -0600, Larry Finger wrote: > >> I'm in the process of creating a patch to set the latency to 200 usec. The >> default is 2000. On my fast prosessors, it should not be anything nearly that >> slow. If we determine this to be the problem, then we can try tuning. > > The latency is the amount of time it takes to get out of deep C states > and into C0. That's a function of the processor design rather than the > frequency.
Thanks for that info. I should have said my Turion 64 X2 is different.
Larry
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