Received-SPF: pass (google.com: domain of linux-kernel+bounces-36053-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) client-ip=147.75.80.249;
From: Luca Weiss <luca@z3ntu.xyz>
Date: Tue, 23 Jan 2024 22:03:57 +0100
Subject: [PATCH 3/3] arm64: dts: qcom: msm8953: add reset for display
 subsystem
Precedence: bulk
MIME-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 7bit
Message-Id: <20240123-msm8953-mdss-reset-v1-3-bb8c6d3ce897@z3ntu.xyz>
References: <20240123-msm8953-mdss-reset-v1-0-bb8c6d3ce897@z3ntu.xyz>
In-Reply-To: <20240123-msm8953-mdss-reset-v1-0-bb8c6d3ce897@z3ntu.xyz>
To: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, 
 Bjorn Andersson <andersson@kernel.org>, 
 Konrad Dybcio <konrad.dybcio@linaro.org>, 
 Michael Turquette <mturquette@baylibre.com>, 
 Stephen Boyd <sboyd@kernel.org>, Rob Herring <robh+dt@kernel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, 
 Conor Dooley <conor+dt@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, 
 devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, 
 Luca Weiss <luca@z3ntu.xyz>, Vladimir Lypak <vladimir.lypak@gmail.com>

From: Vladimir Lypak <vladimir.lypak@gmail.com>

With this reset we can avoid situations like IRQ storms from DSI host
before it even started probing (because boot-loader left DSI IRQs on).

Signed-off-by: Vladimir Lypak <vladimir.lypak@gmail.com>
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
---
 arch/arm64/boot/dts/qcom/msm8953.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8953.dtsi b/arch/arm64/boot/dts/qcom/msm8953.dtsi
index ad2f8cf9c966..dcb5c98b793c 100644
--- a/arch/arm64/boot/dts/qcom/msm8953.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8953.dtsi
@@ -859,6 +859,8 @@ mdss: display-subsystem@1a00000 {
 				      "vsync",
 				      "core";
 
+			resets = <&gcc GCC_MDSS_BCR>;
+
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges;

-- 
2.43.0