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. 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