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From: Neil Armstrong <neil.armstrong@linaro.org>
To: Akhil P Oommen <quic_akhilpo@quicinc.com>,
	 Viresh Kumar <vireshk@kernel.org>, Nishanth Menon <nm@ti.com>,
	 Stephen Boyd <sboyd@kernel.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	 Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>,
	 Konrad Dybcio <konradybcio@kernel.org>,
	 Abhinav Kumar <quic_abhinavk@quicinc.com>,
	 Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
	 Marijn Suijten <marijn.suijten@somainline.org>,
	 David Airlie <airlied@gmail.com>,
	Simona Vetter <simona@ffwll.ch>,
	 Bjorn Andersson <andersson@kernel.org>,
	Rob Herring <robh@kernel.org>,
	 Krzysztof Kozlowski <krzk+dt@kernel.org>,
	 Conor Dooley <conor+dt@kernel.org>
Cc: Connor Abbott <cwabbott0@gmail.com>,
	linux-pm@vger.kernel.org,  linux-kernel@vger.kernel.org,
	linux-arm-msm@vger.kernel.org,  dri-devel@lists.freedesktop.org,
	freedreno@lists.freedesktop.org,  devicetree@vger.kernel.org,
	Neil Armstrong <neil.armstrong@linaro.org>
Subject: [PATCH v2 10/11] arm64: qcom: dts: sm8550: add interconnect and opp-peak-kBps for GPU
Date: Tue, 19 Nov 2024 18:56:45 +0100	[thread overview]
Message-ID: <20241119-topic-sm8x50-gpu-bw-vote-v2-10-4deb87be2498@linaro.org> (raw)
In-Reply-To: <20241119-topic-sm8x50-gpu-bw-vote-v2-0-4deb87be2498@linaro.org>

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 --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@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


  parent reply	other threads:[~2024-11-19 17:56 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-19 17:56 [PATCH v2 00/11] drm/msm: adreno: add support for DDR bandwidth scaling via GMU Neil Armstrong
2024-11-19 17:56 ` [PATCH v2 01/11] opp: core: implement dev_pm_opp_get_bw Neil Armstrong
2024-11-19 17:56 ` [PATCH v2 02/11] drm/msm: adreno: rename quirks that are features Neil Armstrong
2024-11-19 17:56 ` [PATCH v2 03/11] drm/msm: adreno: move features bits in a separate variable Neil Armstrong
2024-11-20 11:18   ` Dmitry Baryshkov
2024-11-19 17:56 ` [PATCH v2 04/11] drm/msm: adreno: add GMU_BW_VOTE feature flag Neil Armstrong
2024-11-20 11:19   ` Dmitry Baryshkov
2024-11-19 17:56 ` [PATCH v2 05/11] drm/msm: adreno: add plumbing to generate bandwidth vote table for GMU Neil Armstrong
2024-11-20 11:42   ` Dmitry Baryshkov
2024-11-19 17:56 ` [PATCH v2 06/11] drm/msm: adreno: dynamically generate GMU bw table Neil Armstrong
2024-11-19 17:56 ` [PATCH v2 07/11] drm/msm: adreno: find bandwidth index of OPP and set it along freq index Neil Armstrong
2024-11-20 11:44   ` Dmitry Baryshkov
2024-11-19 17:56 ` [PATCH v2 08/11] drm/msm: adreno: request for maximum bus bandwidth usage Neil Armstrong
2024-11-19 17:56 ` [PATCH v2 09/11] drm/msm: adreno: enable GMU bandwidth for A740 and A750 Neil Armstrong
2024-11-20 11:45   ` Dmitry Baryshkov
2024-11-19 17:56 ` Neil Armstrong [this message]
2024-11-20 11:47   ` [PATCH v2 10/11] arm64: qcom: dts: sm8550: add interconnect and opp-peak-kBps for GPU Dmitry Baryshkov
2024-11-19 17:56 ` [PATCH v2 11/11] arm64: qcom: dts: sm8650: " Neil Armstrong
2024-11-20 11:47   ` Dmitry Baryshkov

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