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arm64: dts: qcom: SDM845: Enable GPU DDR bw scaling

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This patch adds the interconnects property for the gpu node and the
opp-peak-kBps property to the opps of the gpu opp table. This should
help enable DDR bandwidth scaling dynamically and proportionally to the
GPU frequency.

Signed-off-by: Sharat Masetty <smasetty@codeaurora.org>
Signed-off-by: Akhil P Oommen <akhilpo@codeaurora.org>
Link: https://lore.kernel.org/r/1594992579-20662-5-git-send-email-akhilpo@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Sharat Masetty 2020-07-17 18:59:37 +05:30 committed by Bjorn Andersson
parent 8aa6ac22e5
commit 338bdbcc59
1 changed files with 10 additions and 0 deletions
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10
arch/arm64/boot/dts/qcom/sdm845.dtsi
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@ -4007,42 +4007,52 @@
qcom,gmu = <&gmu>;
interconnects = <&mem_noc MASTER_GFX3D &mem_noc SLAVE_EBI1>;
interconnect-names = "gfx-mem";
gpu_opp_table: opp-table {
compatible = "operating-points-v2";
opp-710000000 {
opp-hz = /bits/ 64 <710000000>;
opp-level = <RPMH_REGULATOR_LEVEL_TURBO_L1>;
opp-peak-kBps = <7216000>;
};
opp-675000000 {
opp-hz = /bits/ 64 <675000000>;
opp-level = <RPMH_REGULATOR_LEVEL_TURBO>;
opp-peak-kBps = <7216000>;
};
opp-596000000 {
opp-hz = /bits/ 64 <596000000>;
opp-level = <RPMH_REGULATOR_LEVEL_NOM_L1>;
opp-peak-kBps = <6220000>;
};
opp-520000000 {
opp-hz = /bits/ 64 <520000000>;
opp-level = <RPMH_REGULATOR_LEVEL_NOM>;
opp-peak-kBps = <6220000>;
};
opp-414000000 {
opp-hz = /bits/ 64 <414000000>;
opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
opp-peak-kBps = <4068000>;
};
opp-342000000 {
opp-hz = /bits/ 64 <342000000>;
opp-level = <RPMH_REGULATOR_LEVEL_SVS>;
opp-peak-kBps = <2724000>;
};
opp-257000000 {
opp-hz = /bits/ 64 <257000000>;
opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
opp-peak-kBps = <1648000>;
};
};
};