On Thursday 19 January 2012 23:52:59 Thomas Renninger wrote:
> Hi,
...
> I'd also put this into drivers/cpufreq/cpufreq_input_boost.c.
>
> Find below a re-written version of the booster.
> Instead of pm_qos, it simply uses cpufreq interface:
> /sys/devices/system/cpu/cpufreq/input_boost_freq
> /sys/devices/system/cpu/cpufreq/input_boost_time
There was the same problem that scaling_max_freq showed a limit,
but one did not know whether it comes from:
- thermal
- PPC/BIOS
restrictions.
This got solved by introducing:
/sys/.../cpuX/cpufreq/bios_limit
which shows the PPC limitation
A file:
/sys/.../cpuX/cpufreq/input_boost_limit
could show the currently raised min_freq, caused by
the input booster.
Thomas
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