Add opp-peak-kBps bindings to the GPU opp table, listing the peak GPU -> DDR bandwidth requirement for each opp level. This will be used to scale the DDR bandwidth along with the GPU frequency dynamically.
Signed-off-by: Sharat Masetty smasetty@codeaurora.org Reviewed-by: Matthias Kaehlcke mka@chromium.org --- arch/arm64/boot/dts/qcom/sc7180.dtsi | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi index 34004ad..7bef42b 100644 --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi @@ -1505,36 +1505,43 @@ opp-800000000 { opp-hz = /bits/ 64 <800000000>; opp-level = <RPMH_REGULATOR_LEVEL_TURBO>; + opp-peak-kBps = <8532000>; };
opp-650000000 { opp-hz = /bits/ 64 <650000000>; opp-level = <RPMH_REGULATOR_LEVEL_NOM_L1>; + opp-peak-kBps = <7216000>; };
opp-565000000 { opp-hz = /bits/ 64 <565000000>; opp-level = <RPMH_REGULATOR_LEVEL_NOM>; + opp-peak-kBps = <5412000>; };
opp-430000000 { opp-hz = /bits/ 64 <430000000>; opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>; + opp-peak-kBps = <5412000>; };
opp-355000000 { opp-hz = /bits/ 64 <355000000>; opp-level = <RPMH_REGULATOR_LEVEL_SVS>; + opp-peak-kBps = <3072000>; };
opp-267000000 { opp-hz = /bits/ 64 <267000000>; opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>; + opp-peak-kBps = <3072000>; };
opp-180000000 { opp-hz = /bits/ 64 <180000000>; opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>; + opp-peak-kBps = <1804000>; }; }; }; -- 2.7.4