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From: Francesco Dolcini <francesco@dolcini.it>
To: Marek Vasut <marex@denx.de>
Cc: linux-arm-kernel@lists.infradead.org,
	Conor Dooley <conor+dt@kernel.org>,
	Fabio Estevam <festevam@gmail.com>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Rob Herring <robh@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Shawn Guo <shawnguo@kernel.org>,
	devicetree@vger.kernel.org, imx@lists.linux.dev,
	kernel@dh-electronics.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] arm64: dts: imx8mp: Enable HDMI on i.MX8MP DHCOM PDK2 and PDK3
Date: Thu, 16 May 2024 10:00:08 +0200	[thread overview]
Message-ID: <20240516080008.GA9338@francesco-nb> (raw)
In-Reply-To: <20240514010706.245874-1-marex@denx.de>

Hello Marek,

On Tue, May 14, 2024 at 03:06:42AM +0200, Marek Vasut wrote:
> Enable HDMI output on i.MX8MP DHCOM PDK2 and PDK3. The I2C5 on PDK2 and
> I2C mux port 1 on PDK3 respectively are used in regular I2C mode instead
> of HDMI DDC mode to permit connection of other I2C devices on those buses.

Are you able to read the HDMI EDID with such configuration? I have the
patch ready for verdin imx8mp, I just did not have time to figure out
this last details.

Francesco


WARNING: multiple messages have this Message-ID (diff)
From: Francesco Dolcini <francesco@dolcini.it>
To: Marek Vasut <marex@denx.de>
Cc: linux-arm-kernel@lists.infradead.org,
	Conor Dooley <conor+dt@kernel.org>,
	Fabio Estevam <festevam@gmail.com>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Rob Herring <robh@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Shawn Guo <shawnguo@kernel.org>,
	devicetree@vger.kernel.org, imx@lists.linux.dev,
	kernel@dh-electronics.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] arm64: dts: imx8mp: Enable HDMI on i.MX8MP DHCOM PDK2 and PDK3
Date: Thu, 16 May 2024 10:00:08 +0200	[thread overview]
Message-ID: <20240516080008.GA9338@francesco-nb> (raw)
In-Reply-To: <20240514010706.245874-1-marex@denx.de>

Hello Marek,

On Tue, May 14, 2024 at 03:06:42AM +0200, Marek Vasut wrote:
> Enable HDMI output on i.MX8MP DHCOM PDK2 and PDK3. The I2C5 on PDK2 and
> I2C mux port 1 on PDK3 respectively are used in regular I2C mode instead
> of HDMI DDC mode to permit connection of other I2C devices on those buses.

Are you able to read the HDMI EDID with such configuration? I have the
patch ready for verdin imx8mp, I just did not have time to figure out
this last details.

Francesco


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linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2024-05-16  8:00 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-14  1:06 [PATCH] arm64: dts: imx8mp: Enable HDMI on i.MX8MP DHCOM PDK2 and PDK3 Marek Vasut
2024-05-14  1:06 ` Marek Vasut
2024-05-14 12:53 ` Rob Herring (Arm)
2024-05-14 12:53   ` Rob Herring (Arm)
2024-05-14 22:18   ` Marek Vasut
2024-05-14 22:18     ` Marek Vasut
2024-05-16  8:00 ` Francesco Dolcini [this message]
2024-05-16  8:00   ` Francesco Dolcini
2024-05-16 11:14   ` Marek Vasut
2024-05-16 11:14     ` Marek Vasut
2024-05-16 11:36     ` Ahmad Fatoum
2024-05-16 11:36       ` Ahmad Fatoum
2024-05-16 11:44       ` Marek Vasut
2024-05-16 11:44         ` Marek Vasut
2024-05-16 11:46         ` Ahmad Fatoum
2024-05-16 11:46           ` Ahmad Fatoum
2024-05-16 12:07           ` Alexander Stein
2024-05-16 12:07             ` Alexander Stein
2024-05-16 11:57     ` Francesco Dolcini
2024-05-16 11:57       ` Francesco Dolcini
2024-06-15  8:06 ` Shawn Guo

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