Re: [PATCH RFC] arm64: dts: qcom: hamoa: Drop cluster_cl5 idle state from CPU clusters

[Konrad Dybcio]

On 6/5/26 10:09 AM, Marc Zyngier wrote:
> Hi Jens,
> 
> Thanks for sending this.

[...]

> It may be worth adding a comment somewhere in the DTS file, as
> cluster_cl5 is not referenced anymore.
> 
> Ideally we'd simply mark cluster-sleep-1 with 'status = "disabled"',
> but I'm not sure Linux (and other OSs that consume this) actively
> parse this property.
> 
> Overall, I'd like clarity from the vendor on what can be done to
> better mitigate issues like this. So far, we have been randomly
> disabling features and CPU capabilities each and every time we find
> something broken on these machines, and the list is getting long.
> 
> I don't think such course of action is sustainable, and maybe we
> should simply consider marking the full X1 platform as BROKEN so that
> people know what to expect.

Many "Linux-facing" people have been OoO and/or attending various
conferences and an internal sprint for the past 2-3 weeks in a row,
so there weren't a lot of eyes on this.. We're looking into it now.

Konrad