On 29.12.2024 4:23 PM, Wasim Nazir wrote: > From: Manaf Meethalavalappu Pallikunhi <quic_manafm@xxxxxxxxxxx> > > In QCS9100 SoC, the safety subsystem monitors all thermal sensors and > does corrective action for each subsystem based on sensor violation > to comply safety standards. But as QCS9075 is non-safe SoC it > requires conventional thermal mitigation to control thermal for > different subsystems. > > The cpu frequency throttling for different cpu tsens is enabled in > hardware as first defense for cpu thermal control. But QCS9075 SoC > has higher ambient specification. During high ambient condition, even > lowest frequency with multi cores can slowly build heat over the time > and it can lead to thermal run-away situations. This patch restrict > cpu cores during this scenario helps further thermal control and > avoids thermal critical violation. > > Add cpu idle injection cooling bindings for cpu tsens thermal zones > as a mitigation for cpu subsystem prior to thermal shutdown. > > Add cpu frequency cooling devices that will be used by userspace > thermal governor to mitigate skin thermal management. > > Signed-off-by: Manaf Meethalavalappu Pallikunhi <quic_manafm@xxxxxxxxxxx> > --- Does this bring measurable benefits over just making the CPU a cooling device and pointing the thermal zones to it (and not the idle subnode)? Konrad
