[PATCH RFC 7/8] arm64: qcom: dts: sm8550: add interconnect and opp-peak-kBps for GPU
Neil Armstrong
neil.armstrong at linaro.org
Wed Nov 13 15:48:33 UTC 2024
Each GPU OPP requires a specific peak DDR bandwidth, let's add
those to each OPP and also the related interconnect path.
Signed-off-by: Neil Armstrong <neil.armstrong at linaro.org>
---
arch/arm64/boot/dts/qcom/sm8550.dtsi | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
index 9dc0ee3eb98f8711e01934e47331b99e3bb73682..808dce3a624197d38222f53fffa280e63088c1c1 100644
--- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
@@ -2113,6 +2113,9 @@ gpu: gpu at 3d00000 {
qcom,gmu = <&gmu>;
#cooling-cells = <2>;
+ interconnects = <&gem_noc MASTER_GFX3D 0 &mc_virt SLAVE_EBI1 0>;
+ interconnect-names = "gfx-mem";
+
status = "disabled";
zap-shader {
@@ -2126,41 +2129,49 @@ gpu_opp_table: opp-table {
opp-680000000 {
opp-hz = /bits/ 64 <680000000>;
opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
+ opp-peak-kBps = <16500000>;
};
opp-615000000 {
opp-hz = /bits/ 64 <615000000>;
opp-level = <RPMH_REGULATOR_LEVEL_SVS_L0>;
+ opp-peak-kBps = <16500000>;
};
opp-550000000 {
opp-hz = /bits/ 64 <550000000>;
opp-level = <RPMH_REGULATOR_LEVEL_SVS>;
+ opp-peak-kBps = <12449218>;
};
opp-475000000 {
opp-hz = /bits/ 64 <475000000>;
opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS_L1>;
+ opp-peak-kBps = <8171875>;
};
opp-401000000 {
opp-hz = /bits/ 64 <401000000>;
opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
+ opp-peak-kBps = <6671875>;
};
opp-348000000 {
opp-hz = /bits/ 64 <348000000>;
opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS_D0>;
+ opp-peak-kBps = <6074218>;
};
opp-295000000 {
opp-hz = /bits/ 64 <295000000>;
opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS_D1>;
+ opp-peak-kBps = <6074218>;
};
opp-220000000 {
opp-hz = /bits/ 64 <220000000>;
opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS_D2>;
+ opp-peak-kBps = <6074218>;
};
};
};
--
2.34.1
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