On Wed, Dec 27, 2023 at 02:07:52AM +0100, Konrad Dybcio wrote: > On 22.12.2023 05:39, Bjorn Andersson wrote: > > On SA8295P and SA8540P the GFX rail is powered by a dedicated external > > regulator, instead of the rpmh-controlled "gfx.lvl". > > > > Define the "vdd-gfx" as the supply regulator for the GDSC, to cause the > > gdsc logic to look for, and control, this external power supply. > > > > Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> > > Signed-off-by: Bjorn Andersson <quic_bjorande@xxxxxxxxxxx> > > --- > Worth noting the regulator framework will create a virtual supply > for the normal 8280 > You're right. No functional harm, but that's not very nice. I don't think we have any benefit from having a dummy supply, if the DT author failed to provide a proper one, so it seems reasonable to switch gdsc to devm_regulator_get_optional(). Regards, Bjorn > Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> > > Konrad