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Date:   Mon, 29 Mar 2021 09:08:59 +0200
From:   Thierry Reding <thierry.reding@gmail.com>
To:     Lyude Paul <lyude@redhat.com>
Cc:     nouveau@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
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        open list <linux-kernel@vger.kernel.org>,
        "open list:DRM DRIVER FOR MSM ADRENO GPU" 
        <linux-arm-msm@vger.kernel.org>,
        "open list:DRM DRIVER FOR MSM ADRENO GPU" 
        <freedreno@lists.freedesktop.org>,
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Subject: Re: [PATCH v2 05/20] drm/dp: Add backpointer to drm_device in
 drm_dp_aux
Message-ID: <YGF9C284EOaf/WZP@orome.fritz.box>
References: <20210326203807.105754-1-lyude@redhat.com>
 <20210326203807.105754-6-lyude@redhat.com>
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On Fri, Mar 26, 2021 at 04:37:52PM -0400, Lyude Paul wrote:
> This is something that we've wanted for a while now: the ability to
> actually look up the respective drm_device for a given drm_dp_aux struct.
> This will also allow us to transition over to using the drm_dbg_*() helpe=
rs
> for debug message printing, as we'll finally have a drm_device to referen=
ce
> for doing so.
>=20
> Note that there is one limitation with this - because some DP AUX adapters
> exist as platform devices which are initialized independently of their
> respective DRM devices, one cannot rely on drm_dp_aux->drm_dev to always =
be
> non-NULL until drm_dp_aux_register() has been called. We make sure to poi=
nt
> this out in the documentation for struct drm_dp_aux.
>=20
> Signed-off-by: Lyude Paul <lyude@redhat.com>
> ---
[...]
>  drivers/gpu/drm/tegra/dpaux.c                            | 1 +
[...]

Acked-by: Thierry Reding <treding@nvidia.com>

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