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From:   Stephen Boyd <swboyd@chromium.org>
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Date:   Fri, 21 May 2021 14:57:11 -0700
Message-ID: <CAE-0n53jA7xPctEU9TkBf=eot4SGs85gpGMjUiDn_ZiMvVLvKw@mail.gmail.com>
Subject: Re: [PATCH 0/3] drm/msm/dp: Simplify aux code
To:     Rob Clark <robdclark@gmail.com>
Cc:     linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
        dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org,
        Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
        Abhinav Kumar <abhinavk@codeaurora.org>,
        Kuogee Hsieh <khsieh@codeaurora.org>, aravindh@codeaurora.org,
        Sean Paul <sean@poorly.run>
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Quoting Stephen Boyd (2021-05-07 14:25:02)
> Here's a few patches that simplify the aux handling code and bubble up
> timeouts and nacks to the upper DRM layers. The goal is to get DRM to
> know that the other side isn't there or that there's been a timeout,
> instead of saying that everything is fine and putting some error message
> into the logs.
>
> Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> Cc: Abhinav Kumar <abhinavk@codeaurora.org>
> Cc: Kuogee Hsieh <khsieh@codeaurora.org>
> Cc: aravindh@codeaurora.org
> Cc: Sean Paul <sean@poorly.run>
>

Kuogee, have you had a change to review this series?

> Stephen Boyd (3):
>   drm/msm/dp: Simplify aux irq handling code
>   drm/msm/dp: Shrink locking area of dp_aux_transfer()
>   drm/msm/dp: Handle aux timeouts, nacks, defers
>
>  drivers/gpu/drm/msm/dp/dp_aux.c     | 181 ++++++++++++----------------
>  drivers/gpu/drm/msm/dp/dp_aux.h     |   8 --
>  drivers/gpu/drm/msm/dp/dp_catalog.c |   2 +-
>  drivers/gpu/drm/msm/dp/dp_catalog.h |   2 +-
>  4 files changed, 80 insertions(+), 113 deletions(-)
>
>
> base-commit: 51595e3b4943b0079638b2657f603cf5c8ea3a66
> --
> https://chromeos.dev
>