On Thu, Aug 04, 2022 at 05:37:48PM +0300, Dmitry Baryshkov wrote: > On Thu, 4 Aug 2022 at 13:35, Abel Vesa <abel.vesa@xxxxxxxxxx> wrote: > > > > None of the CCs actually need the PD attached to their device, > > but rather some GDSCs registered by those CCs need that PD as a parent > > in order to propagate power gating and the performance state. > > > > So lets detach the PD from the CC right at the end of probe, after > > everything has been successfully set up. > > Would it still be possible to read the clock registers if we detach > the device from the domain? > I think it was the original issue behind putting the dispcc/videocc > into the MMCX domain: to be able to poke into the clock registers, > which are gated by the MMCX. > I share the understanding, that on several modern platforms e.g. dispcc was shown to depend on mmcx and the associated gcc abh clock being enabled. @Abel, could you please verify this on 8250/8350/8450? Regards, Bjorn > > > Signed-off-by: Abel Vesa <abel.vesa@xxxxxxxxxx> > > > -- > With best wishes > Dmitry
