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Subject: Re: [PATCH] arm64: dts: imx8mp: Add TC9595 bridge on DH electronics
 i.MX8M Plus DHCOM
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To:     Alexander Stein <alexander.stein@ew.tq-group.com>
Cc:     linux-arm-kernel@lists.infradead.org,
        Conor Dooley <conor+dt@kernel.org>,
        Fabio Estevam <festevam@gmail.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        NXP Linux Team <linux-imx@nxp.com>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        Rob Herring <robh+dt@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Shawn Guo <shawnguo@kernel.org>, devicetree@vger.kernel.org
References: <20230515162424.67597-1-marex@denx.de>
 <2684415.mvXUDI8C0e@steina-w>
From:   Marek Vasut <marex@denx.de>
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On 5/23/23 13:17, Alexander Stein wrote:
> Hello Marek,

Hi,

> Am Montag, 15. Mai 2023, 18:24:24 CEST schrieb Marek Vasut:
>> Add TC9595 DSI-to-DPI and DSI-to-(e)DP bridge to
>> DH electronics i.MX8M Plus DHCOM SoM . The bridge
>> is populated on the SoM, but disabled by default
>> unless used for display output.
>>
>> Signed-off-by: Marek Vasut <marex@denx.de>
> 
> Were you actually able to access the display? E.g. reading DPCD via AUX
> channel?

I only tried the full display port (the one with large plug) on the TC 
evaluation kit, there I could use the aux channel. Are you testing this 
bridge and running into issues ? Details please ?