linux-kernel - Re: [PATCH v2] drm/msm/dp: fix connect/disconnect handled at irq

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Message-ID: <160567056210.60232.5628804791726356039@swboyd.mtv.corp.google.com>
Date:   Tue, 17 Nov 2020 19:36:02 -0800
From:   Stephen Boyd <swboyd@...omium.org>
To:     Kuogee Hsieh <khsieh@...eaurora.org>, robdclark@...il.com,
        sean@...rly.run
Cc:     tanmay@...eaurora.org, abhinavk@...eaurora.org,
        aravindh@...eaurora.org, khsieh@...eaurora.org,
        rnayak@...eaurora.org, airlied@...ux.ie, 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 v2] drm/msm/dp: fix connect/disconnect handled at irq_hpd

Quoting Kuogee Hsieh (2020-11-17 10:40:15)
> Some usb type-c dongle use irq_hpd request to perform device connection
> and disconnection. This patch add handling of both connection and
> disconnection are based on the state of hpd_state and sink_count.
> 
> Changes in V2:
> -- add dp_display_handle_port_ststus_changed()
> -- fix kernel test robot complaint
> 
> Reported-by: kernel test robot <lkp@...el.com>
> Fixes: 26b8d66a399e ("drm/msm/dp: promote irq_hpd handle to handle link training correctly")
> Signed-off-by: Kuogee Hsieh <khsieh@...eaurora.org>
> ---

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