linux-kernel - Re: [PATCH v9 4/4] drm/msm/dp: Support the eDP modes given by panel

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Message-ID: <CAE-0n52Lh_+_cPq7ivi0GHaUkY8_mH4nsvXeBBEbVRHLvHDYcw@mail.gmail.com>
Date:   Fri, 22 Apr 2022 18:39:07 -0700
From:   Stephen Boyd <swboyd@...omium.org>
To:     Sankeerth Billakanti <quic_sbillaka@...cinc.com>,
        devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     robdclark@...il.com, seanpaul@...omium.org,
        quic_kalyant@...cinc.com, quic_abhinavk@...cinc.com,
        dianders@...omium.org, quic_khsieh@...cinc.com,
        bjorn.andersson@...aro.org, sean@...rly.run, airlied@...ux.ie,
        daniel@...ll.ch, dmitry.baryshkov@...aro.org,
        quic_vproddut@...cinc.com, quic_aravindh@...cinc.com,
        steev@...i.org
Subject: Re: [PATCH v9 4/4] drm/msm/dp: Support the eDP modes given by panel

Quoting Sankeerth Billakanti (2022-04-22 02:11:06)
> The eDP controller does not have a reliable way keep panel
> powered on to read the sink capabilities. So, the controller
> driver cannot validate if a mode can be supported by the
> source. We will rely on the panel driver to populate only
> the supported modes for now.
>
> Signed-off-by: Sankeerth Billakanti <quic_sbillaka@...cinc.com>
> Reviewed-by: Douglas Anderson <dianders@...omium.org>
> ---

Reviewed-by: Stephen Boyd <swboyd@...omium.org>