arm64: dts: qcom: sc7280: Enable MDP turbo mode

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.

Acked-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Link: https://lore.kernel.org/r/20240326-rb3gen2-dp-connector-v2-1-a9f1bc32ecaf@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index 6518c9c3a07f13a372d96318ce20c1e20a3f344d..bd9b1898d7a73bd7676959b2552cc79b4592bf6f 100644 (file)
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -4467,6 +4467,11 @@
                                                opp-hz = /bits/ 64 <506666667>;
                                                required-opps = <&rpmhpd_opp_nom>;
                                        };
+
+                                       opp-608000000 {
+                                               opp-hz = /bits/ 64 <608000000>;
+                                               required-opps = <&rpmhpd_opp_turbo>;
+                                       };
                                };
                        };