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From: Adam Ford <aford173@gmail.com>
Date: Tue, 16 Apr 2024 16:18:38 -0500
Message-ID: <CAHCN7xLsEvP0A3mQJRzX=nXGr30WD4RU9vQVw9ynqzSi6cDNRg@mail.gmail.com>
Subject: Re: [PATCH V2 2/2] arm64: dts: imx8mp-beacon-kit: Enable HDMI bridge HPD
To: dri-devel@lists.freedesktop.org
Cc: aford@beaconembedded.com, laurent.pinchart@ideasonboard.com, 
	Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, 
	Conor Dooley <conor+dt@kernel.org>, Shawn Guo <shawnguo@kernel.org>, 
	Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix Kernel Team <kernel@pengutronix.de>, 
	Fabio Estevam <festevam@gmail.com>, Andrzej Hajda <andrzej.hajda@intel.com>, 
	Neil Armstrong <neil.armstrong@linaro.org>, Robert Foss <rfoss@kernel.org>, 
	Jonas Karlman <jonas@kwiboo.se>, Jernej Skrabec <jernej.skrabec@gmail.com>, 
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>, Maxime Ripard <mripard@kernel.org>, 
	Thomas Zimmermann <tzimmermann@suse.de>, David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>, 
	devicetree@vger.kernel.org, imx@lists.linux.dev, 
	linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
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On Mon, Mar 4, 2024 at 6:49=E2=80=AFPM Adam Ford <aford173@gmail.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@gmail.com>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.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/a=
rm64/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 =3D "adi,adv7535";
>                 reg =3D <0x3d>, <0x3c>, <0x3e>, <0x3f>;
>                 reg-names =3D "main", "cec", "edid", "packet";
> +               interrupt-parent =3D <&gpio4>;
> +               interrupts =3D <27 IRQ_TYPE_EDGE_FALLING>;
>                 adi,dsi-lanes =3D <4>;
>                 #sound-dai-cells =3D <0>;
>
> --
> 2.43.0
>