linux-kernel - Re: [PATCH v3 4/6] drm/msm/dp: replug event is converted into an unplug followed by an plug events

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Message-ID: <CAE-0n535+OOwQ=td-ow71MPZNq4=DFjP+hLEvrE1ZaMo+0j1rw@mail.gmail.com>
Date:   Tue, 10 Aug 2021 14:33:46 -0700
From:   Stephen Boyd <swboyd@...omium.org>
To:     Kuogee Hsieh <khsieh@...eaurora.org>,
        dri-devel@...ts.freedesktop.org, robdclark@...il.com,
        sean@...rly.run
Cc:     abhinavk@...eaurora.org, aravindh@...eaurora.org, airlied@...ux.ie,
        daniel@...ll.ch, bjorn.andersson@...aro.org,
        linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 4/6] drm/msm/dp: replug event is converted into an
 unplug followed by an plug events

Quoting Kuogee Hsieh (2021-08-05 13:44:53)
> Remove special handling of replug interrupt and instead treat replug event
> as a sequential unplug followed by a plugin event. This is needed to meet
> the requirements of DP Link Layer CTS test case 4.2.1.3.
>
> Changes in V2:
> -- add fixes statement
>
> Changes in V3:
> -- delete EV_HPD_REPLUG_INT
>
> Fixes: f21c8a276c2d ("drm/msm/dp: handle irq_hpd with sink_count = 0 correctly")
>
> Signed-off-by: Kuogee Hsieh <khsieh@...eaurora.org>
> ---

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