Messages in this thread | | | Date | Wed, 17 Jun 2020 13:47:53 +0100 | From | Sudeep Holla <> | Subject | Re: [PATCH 2/2] cpufreq: arm_scmi: Set fast_switch_possible conditionally |
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On Wed, Jun 17, 2020 at 10:43:32AM +0100, Nicola Mazzucato wrote: > Currently the fast_switch_possible flag is set unconditionally > to true. Based on this, schedutil does not create a > thread for frequency switching and would always use the > fast switch path. > However, if the platform does not support frequency > fast switch, this may cause the governor to attempt an > operation that is not supported by the platform. > > Fix this by correctly retrieve the fast_switch capability > from the driver which knows if the platform can support > this feature. >
Hi Viresh,
This is first step towards avoiding polling based cpufreq set if firmware has fast access registers that bypass normal mailbox based messaging.
If you happy with this and provide ack, I will take this along with scmi changes via ARM SoC. Hope that is fine by you.
-- Regards, Sudeep
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