From: Sharat Masetty smasetty@codeaurora.org
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 --- arch/arm64/boot/dts/qcom/sdm845.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi index 8eb5a31..1cd2dae 100644 --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi @@ -3515,42 +3515,52 @@
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>; }; }; };