On 28/11/2024 14:26, Dmitry Baryshkov wrote:
On Thu, Nov 28, 2024 at 11:25:46AM +0100, Neil Armstrong wrote:
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@xxxxxxxxxx>
---
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 e7774d32fb6d2288748ecec00bf525b2b3c40fbb..545eb52174c704bbefa69189fad9fbff053d8569 100644
--- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
@@ -2114,6 +2114,9 @@ gpu: gpu@3d00000 {
qcom,gmu = <&gmu>;
#cooling-cells = <2>;
+ interconnects = <&gem_noc MASTER_GFX3D 0 &mc_virt SLAVE_EBI1 0>;
QCOM_ICC_TAG_ALWAYS
Damn, thanks forgot those one.
Thanks,
Neil
LGTM otherwise.
+ interconnect-names = "gfx-mem";
+
status = "disabled";
zap-shader {
@@ -2127,41 +2130,49 @@ 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