[Skiboot] [PATCH] occ: Filter out entries from Pmin to Pmax in pstate table

Balbir Singh bsingharora at gmail.com
Mon Apr 18 15:09:55 AEST 2016

On 16/04/16 03:12, Shilpasri G Bhat wrote:
> Parse the entire pstate table provided by OCC and filter out the
> entries that are outside the Pmax and Pmin limits. This can
> occur when turbo mode is disabled and OCC limits the Pmax to
> nominal pstate, but includes turbo pstates in the pstate table.
> We end up with wrong pstates in such cases if we do not parse
> the pstate table to filter out the correct range.
> Signed-off-by: Shilpasri G Bhat <shilpa.bhat at linux.vnet.ibm.com>
Can turbo mode be turned on/off without rebooting? We seem to be doing
this once during boot. Shouldn't the OS handle the pmax/pmin checks?

Balbir Singh

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