Re: [PATCH 0/2] Disable SS instances in park mode for SC7180/ SC7280

[Krishna Kurapati PSSNV]

On 5/31/2024 8:11 PM, Konrad Dybcio wrote:
> On 31.05.2024 4:31 PM, Doug Anderson wrote:
> > Hi,
> >
> > On Fri, May 31, 2024 at 7:27 AM Krishna Kurapati PSSNV
> > <quic_kriskura@xxxxxxxxxxx> wrote:
> > > > My only guess is that somehow SC8280XP is faster and that changes the
> > > > timing of how it handles interrupts. I guess you could try capping
> > > > your cpufreq in sysfs and see if that makes a difference in
> > > > reproducing. ;-) ...or maybe somehow SC8280XP has a newer version of
> > > > the IP where they've fixed this?
> > > >
> > > > It would be interesting if someone with a SDM845 dragonboard could try
> > > > replicating since that seems highly likely to reproduce, at least.
> > >
> > > Hi Konrad, Doug,
> > >
> > >    Usually on downstream we set this quirk only for all Gen-1 targets
> > > (not particularly for this testcase) but to avoid these kind of
> > > controller going dead issues. I can filter out the gen-1 targets (other
> > > than sc7280/sc7180) and send a separate series to add this quirk in all
> > > of them.
> >
> > Sounds like a plan to me!
>
> Yep!
>
> In case there are more gen1 platforms than what we have upstream, it would
> be of great utility if you could list them all, so that we can have a reference
> for future additions, Krishna.

I am not sure if I can give out info on targets that are not on 
upstream. I will check internally if I can do that. Else we can just 
ensure that from now on whenever a Gen-1 target is getting upstreamed, 
this quirk is set.

Regards,
Krishna,