diff mbox series

[v3,6/7] arm64: qcom: dts: sm8550: add interconnect and opp-peak-kBps for GPU

Message ID 20241128-topic-sm8x50-gpu-bw-vote-v3-6-81d60c10fb73@linaro.org
State New
Headers show
Series drm/msm: adreno: add support for DDR bandwidth scaling via GMU | expand

Commit Message

Neil Armstrong Nov. 28, 2024, 10:25 a.m. UTC
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@linaro.org>
---
 arch/arm64/boot/dts/qcom/sm8550.dtsi | 11 +++++++++++
 1 file changed, 11 insertions(+)
diff mbox series

Patch

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>;
+			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>;
 				};
 			};
 		};