On 29-10-20, 13:10, Viresh Kumar wrote: > On 28-10-20, 14:08, Lukasz Luba wrote: > > Hi all, > > > > This patch set introduces a concept of sustainable OPP, which then can be used > > by kernel frameworks or governors for estimating system sustainable system > > state. This kind of estimation is done e.g. in thermal governor Intelligent > > Power Allocation (IPA), which calculates sustainable power of the whole system > > and then derives some coefficients for internal algorithm. > > > > The patch set introduces a new DT bindings 'opp-sustainable', with parsing > > code. It also adds a function (in patch 3/4) which allows device drivers to set > > directly the sustainable OPP. This is helpful when the device drivers populate > > the OPP table by themself (example in patch 4/4). > > > > Can we please have some more information about this ? What does the > sustainable OPP mean ? How will platform guys know or learn about this > ? How we are going to use it finally ? What does it have to do with > temperature of the SoC or the thermal affects, etc. And that we need a real user of this first if it is ever going to be merged. -- viresh
