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authorQuentin Perret <quentin.perret@arm.com>2019-01-09 13:42:36 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2019-01-09 14:10:25 +0300
commit0e141d1c65c1dd31c914eb2e11651adcc1a15912 (patch)
tree65c1cc1116d9f5fc715e51d19998bd1dde5cb106 /Documentation/trace
parent2f66196208c98b3d1b4294edffb2c5a8197be899 (diff)
downloadlinux-0e141d1c65c1dd31c914eb2e11651adcc1a15912.tar.xz
cpufreq: scmi: Fix frequency invariance in slow path
The scmi-cpufreq driver calls the arch_set_freq_scale() callback on frequency changes to provide scale-invariant load-tracking signals to the scheduler. However, in the slow path, it does so while specifying the current and max frequencies in different units, hence resulting in a broken freq_scale factor. Fix this by passing all frequencies in KHz, as stored in the CPUFreq frequency table. Fixes: 99d6bdf33877 (cpufreq: add support for CPU DVFS based on SCMI message protocol) Signed-off-by: Quentin Perret <quentin.perret@arm.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Sudeep Holla <sudeep.holla@arm.com> Cc: 4.17+ <stable@vger.kernel.org> # v4.17+ Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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