linux-kernel - Re: [PATCH] drm/msm/dp: Use the connector passed to dp_debug

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Date:   Tue, 12 Oct 2021 10:36:30 -0700
From:   Stephen Boyd <swboyd@...omium.org>
To:     Abhinav Kumar <abhinavk@...eaurora.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Kuogee Hsieh <khsieh@...eaurora.org>,
        Rob Clark <robdclark@...il.com>
Cc:     Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/msm/dp: Use the connector passed to dp_debug_get()

Quoting Bjorn Andersson (2021-10-09 20:04:35)
> The debugfs code is provided an array of a single drm_connector. Then to
> access the connector, the list of all connectors of the DRM device is
> traversed and all non-DisplayPort connectors are skipped, to find the
> one and only DisplayPort connector.
>
> But as we move to support multiple DisplayPort controllers this will now
> find multiple connectors and has no way to distinguish them.
>
> Pass the single connector to dp_debug_get() and use this in the debugfs
> functions instead, both to simplify the code and the support the

s/the support the/to support the/

> multiple instances.
>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> ---

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