linux-kernel - Re: [PATCH 2/2] phy: qcom: Introduce new eDP PHY driver

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Message-ID: <YJ5TJFD/RFEQc5z+@vkoul-mobl.Dlink>
Date:   Fri, 14 May 2021 16:08:28 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Stephen Boyd <swboyd@...omium.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Rob Clark <robdclark@...il.com>,
        Rob Herring <robh+dt@...nel.org>, sbillaka@...eaurora.org,
        linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] phy: qcom: Introduce new eDP PHY driver

On 10-05-21, 22:22, Stephen Boyd wrote:
> Quoting Bjorn Andersson (2021-05-10 21:19:30)
> > Many recent Qualcomm platforms comes with native DP and eDP support.
> > This consists of a controller int he MDSS and a QMP-like PHY.
> >
> > While similar to the well known QMP block, the eDP PHY only has TX lanes
> > and the programming sequences are slightly different. Rather than
> > continuing the trend of parameterize the QMP driver to pieces, this
> > introduces the support as a new driver.
> 
> Thank you for not slamming it into the same mega driver.
> 
> >
> > The registration of link and pixel clocks are borrowed from the QMP
> > driver. The non-DP link frequencies are omitted for now.
> 
> Can we make some library code for "DP" stuff in qmp that the two can
> call to share the logic?

I think we should split QMP into a library of common code which the
respective function driver DP, UFS, USB QMP drivers (re)use across...

-- 
~Vinod