Re: [PATCH v6 3/3] arm64: dts: qcom: sm8250: Add JPEG encoder node

[Dmitry Baryshkov]

On Tue, Aug 04, 2026 at 08:44:25AM +0300, Gjorgji Rosikopulos (Consultant) wrote:
> Hi Dmitry,
> 
> On 8/3/2026 10:09 PM, Dmitry Baryshkov wrote:
> > On Sat, Aug 01, 2026 at 11:04:10AM +0100, Bryan O'Donoghue wrote:
> >> On 31/07/2026 20:30, Gjorgji Rosikopulos (Consultant) wrote:
> >>>>> Is TITAN_TOP a part of the MMCX or CX domain? In the former case,
> >>>>> please drop separate mmcx vote here and let it come through the
> >>>>> titan_top (it might require camcc driver and node modifications).
> >>>>>
> >>>> The change was requested by Brian, most likely in connection with
> >>>> upcoming migrations. I think he would be able to explain the exact
> >>>> reasons. As far as the facts are concerned, this is not currently
> >>>> necessary for the driver to be functional.
> >>> In the documentation we have this jpeg block need only TITAN_TOP_GDSC power domain.
> >>> However Bryan request to ad MMCX and MX.
> >>> As i can see same is for csiphy. Maybe is better to sync with Bryan.
> >>
> >> Check hamoa - I believe it is the case there's a separate vote required for
> >> MMCX/MXA.
> > 
> > Assuming TITAN_TOP gates MMCX to the whole camera block (please correct
> > me if I'm wrong), why do we need a separate vote on MMCX? I might be
> > missing something here, sorry.
> 
> Honestly i really don't know, i am trying reach to correct people(find proper documentation) 
> for this. From what i have in the jpeg documentation only power domain which is required,
> for jpeg core is TITAN_TOP for sm8250, i did not check the other platforms.

The question is primarily about SM8250, since you are adding support for
it. 

-- 
With best wishes
Dmitry