[Skiboot] [PATCH v3] powercap: occ: Fix the powercapping range allowed for user

Stewart Smith stewart at linux.ibm.com
Tue Feb 26 17:03:28 AEDT 2019

Shilpasri G Bhat <shilpa.bhat at linux.vnet.ibm.com> writes:
> OCC provides two limits for minimum powercap. One being hard powercap
> minimum which is guaranteed by OCC and the other one is a soft
> powercap minimum which is lesser than hard-min and may or may not be
> asserted due to various power-thermal reasons. So to allow the users
> to access the entire powercap range, this patch exports soft powercap
> minimum as the "powercap-min" DT property. And it also adds a new
> DT property called "powercap-hard-min" to export the hard-min powercap
> limit.
> Fixes: c6aabe3f2eb5("powercap: occ: Add a generic powercap framework")
> Signed-off-by: Shilpasri G Bhat <shilpa.bhat at linux.vnet.ibm.com>
> ---
> Changes from V2:
> - As per Vaidy's suggestion change powercap-min to point to
>   soft-powercap min limit instead of hard-powercap as min and max
>   should point to the absolute possible range.
>  doc/device-tree/ibm,opal/power-mgt/powercap.rst |  9 +++++++-
>  hw/occ.c                                        | 30 ++++++++++++++++++-------
>  2 files changed, 30 insertions(+), 9 deletions(-)

Thansk for this.

Merged to master as of a96739c6c1cdf02521cab703733cef8cb54debbf.

Since we have a Fixes for a commit that's from way back in 5.8 days, we
should probably also have this go to stable?

Stewart Smith
OPAL Architect, IBM.

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