linux-kernel - Re: [PATCH V2 2/2] arm64: dts: imx8mp-beacon-kit: Enable HDMI bridge HPD

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Date: Tue, 16 Apr 2024 16:18:38 -0500
From: Adam Ford <aford173@...il.com>
To: dri-devel@...ts.freedesktop.org
Cc: aford@...conembedded.com, laurent.pinchart@...asonboard.com, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
	Sascha Hauer <s.hauer@...gutronix.de>, Pengutronix Kernel Team <kernel@...gutronix.de>, 
	Fabio Estevam <festevam@...il.com>, Andrzej Hajda <andrzej.hajda@...el.com>, 
	Neil Armstrong <neil.armstrong@...aro.org>, Robert Foss <rfoss@...nel.org>, 
	Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>, 
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, 
	Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>, 
	devicetree@...r.kernel.org, imx@...ts.linux.dev, 
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2 2/2] arm64: dts: imx8mp-beacon-kit: Enable HDMI bridge HPD

On Mon, Mar 4, 2024 at 6:49 PM Adam Ford <aford173@...il.com> wrote:
>
> The DSI to HDMI bridge supports hot-plut-detect, but the
> driver didn't previously support a shared IRQ GPIO.  With
> the driver updated, the interrupt can be added to the bridge.
>
> Signed-off-by: Adam Ford <aford173@...il.com>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>

Shawn,

Patch 1/2 has been applied and sits in linux-next.  Are you OK to
apply this to the IMX branch so the hot-plug detection can work?

Thank you,

adam

adam
> ---
> V2:  No Change
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts b/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts
> index a08057410bde..fba8fd04398d 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts
> @@ -304,6 +304,8 @@ adv_bridge: hdmi@3d {
>                 compatible = "adi,adv7535";
>                 reg = <0x3d>, <0x3c>, <0x3e>, <0x3f>;
>                 reg-names = "main", "cec", "edid", "packet";
> +               interrupt-parent = <&gpio4>;
> +               interrupts = <27 IRQ_TYPE_EDGE_FALLING>;
>                 adi,dsi-lanes = <4>;
>                 #sound-dai-cells = <0>;
>
> --
> 2.43.0
>