linux-kernel - Re: [PATCH v3 07/14] arm64: dts: qcom: sc7280: Add edp

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Date:   Wed, 2 Feb 2022 14:51:56 -0800
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Douglas Anderson <dianders@...omium.org>
Cc:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        pmaliset@...eaurora.org, quic_rjendra@...cinc.com,
        Shaik Sajida Bhanu <sbhanu@...eaurora.org>,
        kgodara@...eaurora.org, konrad.dybcio@...ainline.org,
        Sankeerth Billakanti <quic_sbillaka@...cinc.com>,
        sibis@...eaurora.org, swboyd@...omium.org,
        Andy Gross <agross@...nel.org>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 07/14] arm64: dts: qcom: sc7280: Add edp_out port and
 HPD lines

On Wed, Feb 02, 2022 at 01:23:41PM -0800, Douglas Anderson wrote:
> Like dp_out, we should have defined edp_out in sc7280.dtsi so we don't
> need to do this in the board files.
> 
> Like dp_hot_plug_det, we should define edp_hot_plug_det in
> sc7280.dtsi.
> 
> We should set the default pinctrl for edp_hot_plug_det in
> sc7280.dtsi. NOTE: this is _unlike_ the dp_hot_plug_det. It is
> reasonable that in some boards the dedicated DP Hot Plug Detect will
> not be hooked up in favor of Type C mechanisms. This is unlike eDP
> where the Hot Plug Detect line (which functions as "panel ready" in
> eDP) is highly likely to be used by boards.
> 
> Signed-off-by: Douglas Anderson <dianders@...omium.org>

Reviewed-by: Matthias Kaehlcke <mka@...omium.org>