On Thu, 22 Feb 2024 at 01:19, Bjorn Andersson <quic_bjorande@xxxxxxxxxxx> wrote: > > The max frequency listed in the DPU opp-table is 506MHz, this is not > sufficient to drive a 4k@60 display, resulting in constant underrun. > > Add the missing MDP_CLK turbo frequency of 608MHz to the opp-table to > fix this. I think we might want to keep this disabled for ChromeOS devices. Doug? > > Signed-off-by: Bjorn Andersson <quic_bjorande@xxxxxxxxxxx> > --- > arch/arm64/boot/dts/qcom/sc7280.dtsi | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi > index a19c278ebec9..a2a6717c6c87 100644 > --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi > +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi > @@ -4417,6 +4417,11 @@ opp-506666667 { > opp-hz = /bits/ 64 <506666667>; > required-opps = <&rpmhpd_opp_nom>; > }; > + > + opp-608000000 { > + opp-hz = /bits/ 64 <608000000>; > + required-opps = <&rpmhpd_opp_turbo>; > + }; > }; > }; > > > -- > 2.25.1 > -- With best wishes Dmitry