linux-kernel - Re: [PATCH v9 2/4] drm/msm/dp: Support only IRQ

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Date:   Fri, 22 Apr 2022 09:10:37 -0700
From:   Doug Anderson <dianders@...omium.org>
To:     Abhinav Kumar <quic_abhinavk@...cinc.com>
Cc:     Sankeerth Billakanti <quic_sbillaka@...cinc.com>,
        quic_kalyant <quic_kalyant@...cinc.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        quic_vproddut <quic_vproddut@...cinc.com>,
        David Airlie <airlied@...ux.ie>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Sean Paul <sean@...rly.run>, Sean Paul <seanpaul@...omium.org>,
        Steev Klimaszewski <steev@...i.org>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        "Aravind Venkateswaran (QUIC)" <quic_aravindh@...cinc.com>,
        "Kuogee Hsieh (QUIC)" <quic_khsieh@...cinc.com>,
        freedreno <freedreno@...ts.freedesktop.org>
Subject: Re: [PATCH v9 2/4] drm/msm/dp: Support only IRQ_HPD and REPLUG
 interrupts for eDP

Hi,

On Fri, Apr 22, 2022 at 9:05 AM Abhinav Kumar <quic_abhinavk@...cinc.com> wrote:
>
> Hi Doug
>
> For the lockdep error, the splat looks similar to what kuogee fixed
> recently.
>
> Can you please check if below patch is present in your tree?
>
> https://patchwork.freedesktop.org/patch/481396/

Indeed I did have that in my tree already, but the lockdep splat is
still there. I think the problem is that we're now calling
dp_hpd_plug_handle() directly in dp_bridge_enable()

-Doug