2024-01-23 21:04:52

by Luca Weiss

[permalink] [raw]
Subject: [PATCH 3/3] arm64: dts: qcom: msm8953: add reset for display subsystem

From: Vladimir Lypak <[email protected]>

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 <[email protected]>
Signed-off-by: Luca Weiss <[email protected]>
---
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



2024-01-24 12:32:56

by Konrad Dybcio

[permalink] [raw]
Subject: Re: [PATCH 3/3] arm64: dts: qcom: msm8953: add reset for display subsystem



On 1/23/24 22:03, Luca Weiss wrote:
> From: Vladimir Lypak <[email protected]>
>
> 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 <[email protected]>
> Signed-off-by: Luca Weiss <[email protected]>
> ---

Reviewed-by: Konrad Dybcio <[email protected]>

Konrad