On Wednesday, February 12, 2014 10:01:06 AM [email protected] wrote:
> From: Dirk Brandewie <[email protected]>
>
> Using LFM ratio provides better perf/watt vs min ratio.
>
> Signed-off-by: Dirk Brandewie <[email protected]>
This changelog is particularly insufficient.
Can you please explain what's wrong with the previous calculation and how
the change makes it better?
> ---
> drivers/cpufreq/intel_pstate.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
> index b80c03d..ff45ce1 100644
> --- a/drivers/cpufreq/intel_pstate.c
> +++ b/drivers/cpufreq/intel_pstate.c
> @@ -356,7 +356,7 @@ static int byt_get_min_pstate(void)
> {
> u64 value;
> rdmsrl(BYT_RATIOS, value);
> - return value & 0xFF;
> + return (value >> 8) & 0xFF;
> }
>
> static int byt_get_max_pstate(void)
>
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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