Re: CPU C-state storange on Panasonic TOUGH BOOK CF-R9

From: Andriy Gapon <avg_at_icyb.net.ua>
Date: Sun, 12 Sep 2010 11:30:43 +0300
on 12/09/2010 11:12 Alexander Motin said the following:
> Just an idea. Limits of 100 and 1000 are defined for detection of
> C-states using P_LVLx_LAT registers. Because _CST explicitly specifies
> which states are available, these limitations may not apply there. I
> would try to comment these checks in acpi_cpu_cx_cst() and look what
> happen. At least I haven't found in ACPI 3.0 specification any latency
> limits applied to _CST.

Not 100% sure, but what you said does make sense.
I couldn't also find any such wording in ACPI 4.0 spec.

-- 
Andriy Gapon
Received on Sun Sep 12 2010 - 06:30:47 UTC

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