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Message-ID: <b1aea0c6-1f62-57bd-3ea2-6e4334e1003e@linaro.org>
Date:   Thu, 3 Nov 2022 17:19:08 +0300
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Subject: Re: [PATCH v1 9/9] arm64: dts: qcom: sm8350-hdk: Enable lt9611uxc
 dsi-hdmi bridge
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From:   Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
To:     Robert Foss <robert.foss@linaro.org>, agross@kernel.org,
        bjorn.andersson@linaro.org, konrad.dybcio@somainline.org,
        robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org,
        robdclark@gmail.com, quic_abhinavk@quicinc.com, sean@poorly.run,
        airlied@linux.ie, daniel@ffwll.ch, quic_kalyant@quicinc.com,
        swboyd@chromium.org, angelogioacchino.delregno@somainline.org,
        loic.poulain@linaro.org, quic_vpolimer@quicinc.com,
        vkoul@kernel.org, dianders@chromium.org,
        linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
        freedreno@lists.freedesktop.org,
        Jonathan Marek <jonathan@marek.ca>, vinod.koul@linaro.org,
        quic_jesszhan@quicinc.com
References: <20221028120812.339100-1-robert.foss@linaro.org>
 <20221028120812.339100-10-robert.foss@linaro.org>
 <bbce3d37-019b-a652-4f1d-18fb9493f7de@linaro.org>
In-Reply-To: <bbce3d37-019b-a652-4f1d-18fb9493f7de@linaro.org>
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On 28/10/2022 16:56, Dmitry Baryshkov wrote:
> On 28/10/2022 15:08, Robert Foss wrote:
>> The sm8350-hdk ships with the LT9611 UXC DSI/HDMI bridge chip.
>>
>> In order to toggle the board to enable the HDMI output,
>> switch #7 & #8 on the rightmost multi-switch package have
>> to be toggled to On.
> 
> Since this doesn't look like a default setup, it would probably make 
> sense to move this to new sm8350-hdk-hdmi.dts with the comment regarding 
> necessary switch changes at the top of the file.
> 

Please excuse me here. I checked the Lantronix site. It clearly names 
'Optional Display/Expansion board mates to DSI connectors'. So, you were 
correct, the HDMI should be in the base setup, while DSI panel should 
come as the extending DT file.


-- 
With best wishes
Dmitry