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Date:   Thu, 22 Jul 2021 19:24:40 +0000
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 v2 4/7] drm/msm/dp: replug event is converted into an
 unplug followed by an plug events

Quoting Kuogee Hsieh (2021-07-13 08:54:04)
> 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
>
> Fixes: f21c8a276c2d ("drm/msm/dp: handle irq_hpd with sink_count = 0 correctly")
>
> Signed-off-by: Kuogee Hsieh <khsieh@...eaurora.org>
> ---
>  drivers/gpu/drm/msm/dp/dp_display.c | 13 +++++--------
>  1 file changed, 5 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
> index 78c5301..d089ada 100644
> --- a/drivers/gpu/drm/msm/dp/dp_display.c
> +++ b/drivers/gpu/drm/msm/dp/dp_display.c
> @@ -1146,9 +1146,6 @@ static int hpd_event_thread(void *data)
>                 case EV_IRQ_HPD_INT:
>                         dp_irq_hpd_handle(dp_priv, todo->data);
>                         break;
> -               case EV_HPD_REPLUG_INT:

Please remove the enum as well.

> -                       /* do nothing */
> -                       break;
>                 case EV_USER_NOTIFICATION:
>                         dp_display_send_hpd_notification(dp_priv,
>                                                 todo->data);

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