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| author | Sharat Masetty <smasetty@codeaurora.org> | 2020-07-17 18:59:37 +0530 |
|---|---|---|
| committer | Bjorn Andersson <bjorn.andersson@linaro.org> | 2020-07-27 23:27:02 -0700 |
| commit | 338bdbcc598a7c2228739f41c697f126c9db384c (patch) | |
| tree | 08db78ea34d9cbc710b3fdae3643bec8d1463bb9 /arch/arm64/boot/dts | |
| parent | 8aa6ac22e52693173a71b3e58cb9f361b0bd6d3c (diff) | |
| download | lwn-338bdbcc598a7c2228739f41c697f126c9db384c.tar.gz lwn-338bdbcc598a7c2228739f41c697f126c9db384c.zip | |
arm64: dts: qcom: SDM845: Enable GPU DDR bw scaling
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>
Diffstat (limited to 'arch/arm64/boot/dts')
| -rw-r--r-- | arch/arm64/boot/dts/qcom/sdm845.dtsi | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi index 0b5f063dcaea..2884577dcb77 100644 --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi @@ -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>; }; }; }; |