linux-kernel - [PATCH 1/5] arm64: dts: qcom: sc7180: Add interconnect bindings for GPU

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Date:   Tue, 31 Mar 2020 13:25:49 +0530
From:   Sharat Masetty <smasetty@...eaurora.org>
To:     freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org
Cc:     dri-devel@...edesktop.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, jcrouse@...eaurora.org,
        mka@...omium.org, sibis@...eaurora.org, saravanak@...gle.com,
        viresh.kumar@...aro.org, Sharat Masetty <smasetty@...eaurora.org>
Subject: [PATCH 1/5] arm64: dts: qcom: sc7180: Add interconnect bindings for GPU

This patch adds the interconnect bindings to the GPU node. This enables
the GPU->DDR path bandwidth voting.

Signed-off-by: Sharat Masetty <smasetty@...eaurora.org>
---
 arch/arm64/boot/dts/qcom/sc7180.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index 1097e8b..51630dd 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -1718,6 +1718,8 @@
 			operating-points-v2 = <&gpu_opp_table>;
 			qcom,gmu = <&gmu>;

+			interconnects = <&gem_noc MASTER_GFX3D &mc_virt SLAVE_EBI1>;
+
 			gpu_opp_table: opp-table {
 				compatible = "operating-points-v2";

--
2.7.4