linux-kernel - [PATCH] arm64: dts: qcom: sdm845: Add interconnects property for display

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Message-Id: <20200915214511.786-1-georgi.djakov@linaro.org>
Date:   Wed, 16 Sep 2020 00:45:11 +0300
From:   Georgi Djakov <georgi.djakov@...aro.org>
To:     bjorn.andersson@...aro.org
Cc:     robh+dt@...nel.org, robdclark@...il.com, amit.pundir@...aro.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Georgi Djakov <georgi.djakov@...aro.org>
Subject: [PATCH] arm64: dts: qcom: sdm845: Add interconnects property for display

Add the interconnect paths that are used by the display (MDSS). This
will allow the driver to request the needed bandwidth and prevent
display flickering.

Signed-off-by: Georgi Djakov <georgi.djakov@...aro.org>
---
This patch depends on:
https://lore.kernel.org/r/20200903133134.17201-6-georgi.djakov@linaro.org/

 arch/arm64/boot/dts/qcom/sdm845.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 86457d9bc229..f8f09ab3442f 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -3813,6 +3813,10 @@ mdss: mdss@...0000 {
 			interrupt-controller;
 			#interrupt-cells = <1>;
 
+			interconnects = <&mmss_noc MASTER_MDP0 0 &mem_noc SLAVE_EBI1 0>,
+					<&mmss_noc MASTER_MDP1 0 &mem_noc SLAVE_EBI1 0>;
+			interconnect-names = "mdp0-mem", "mdp1-mem";
+
 			iommus = <&apps_smmu 0x880 0x8>,
 			         <&apps_smmu 0xc80 0x8>;