On Tue, Mar 23, 2021 at 11:44:50PM -0500, Samuel Holland wrote:
> 3) Modify the Linux PSCI client to respect PSCI_FEATURES when setting
>psci_ops.cpu_suspend. cpuidle-psci checks for this function before
>setting up idle states.
We don't call PSCI_FEATURES on mandatory functions as it may
Hi Samuel,
On Tue, Mar 23, 2021 at 11:44:50PM -0500, Samuel Holland wrote:
> On 3/22/21 8:56 PM, Andre Przywara wrote:
> >> I'm sending this patch as an RFC because it raises questions about how
> >> we handle firmware versioning. How far back does (or should) our support
> >> for old TF-A and Cru
On 3/22/21 8:56 PM, Andre Przywara wrote:
>> I'm sending this patch as an RFC because it raises questions about how
>> we handle firmware versioning. How far back does (or should) our support
>> for old TF-A and Crust versions go?
>>
>> cpuidle has a problem that without working firmware support, C
On Mon, 22 Mar 2021 01:25:14 -0500
Samuel Holland wrote:
Hi,
> Powering off idle CPUs saves about 33 mW compared to using WFI only.
> Additional power savings are possible by idling the L2 and downclocking
> the cluster when all CPUs are idle.
>
> Entry and exit latency were measured using a lo
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