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
