Re: [PATCH] clk: qcom: Update the force mem core bit for GPU clocks

[Satya Priya Kakitapalli (Temp)]

Hi Doug,


On 11/7/2022 10:30 PM, Doug Anderson wrote:
> Hi,
>
> On Sun, Nov 6, 2022 at 9:38 PM Satya Priya Kakitapalli (Temp)
> <quic_c_skakit@xxxxxxxxxxx> wrote:
> > On 10/28/2022 5:54 AM, Stephen Boyd wrote:
> > > Quoting Satya Priya (2022-10-18 23:05:35)
> > > > From: Taniya Das <quic_tdas@xxxxxxxxxxx>
> > > >
> > > > There are few GPU clocks which are powering up the memories
> > > > and thus enable the FORCE_MEM_PERIPH always for these clocks
> > > > to force the periph_on signal to remain active during halt
> > > > state of the clock.
> > > I take it that missing this causes GPU to lose state when it suspends
> > > and that confuses the driver?
> >
> > It is more related to GPU SMMU states and the stability issues that are
> > encountered.
> I see a very similar code sequence for sc7180. Is any similar fix
> needed for sc7180, or is this something unique for sc7280?


This is not needed for sc7180, it is related to sc7280 only.