From: Sam Ravnborg <sam-uyr5N9Q2VtJg9hUCZPvPmw@public.gmane.org>
To: Dmitry Osipenko <digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Laurent Pinchart
<laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org>,
Thierry Reding
<thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH v3 2/2] drm/tegra: output: rgb: Support LVDS encoder bridge
Date: Thu, 16 Apr 2020 22:37:49 +0200 [thread overview]
Message-ID: <20200416203749.GA7104@ravnborg.org> (raw)
In-Reply-To: <7cf27640-4fdc-8617-01cb-85f4c5847bb8-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Hi Dimitry.
On Thu, Apr 16, 2020 at 11:21:40PM +0300, Dmitry Osipenko wrote:
> 16.04.2020 21:52, Dmitry Osipenko пишет:
> ...
> >> May I also recommend switching to the DRM panel bridge helper ? It will
> >> simplify the code.
> >
> > Could you please clarify what is the "DRM panel bridge helper"?
> >
> > I think we won't need any additional helpers after switching to the
> > bridge connector helper, no?
>
> Actually, I now see that the panel needs to be manually attached to the
> connector.
>
> Still it's not apparent to me how to get panel out of the bridge. It
> looks like there is no such "panel helper" for the bridge API or I just
> can't find it.
Take a look in bridge/panel.c
I think devm_drm_panel_bridge_add() is what you are after.
Sam
WARNING: multiple messages have this Message-ID (diff)
From: Sam Ravnborg <sam@ravnborg.org>
To: Dmitry Osipenko <digetx@gmail.com>
Cc: linux-tegra@vger.kernel.org,
Thierry Reding <thierry.reding@gmail.com>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
dri-devel@lists.freedesktop.org
Subject: Re: [PATCH v3 2/2] drm/tegra: output: rgb: Support LVDS encoder bridge
Date: Thu, 16 Apr 2020 22:37:49 +0200 [thread overview]
Message-ID: <20200416203749.GA7104@ravnborg.org> (raw)
In-Reply-To: <7cf27640-4fdc-8617-01cb-85f4c5847bb8@gmail.com>
Hi Dimitry.
On Thu, Apr 16, 2020 at 11:21:40PM +0300, Dmitry Osipenko wrote:
> 16.04.2020 21:52, Dmitry Osipenko пишет:
> ...
> >> May I also recommend switching to the DRM panel bridge helper ? It will
> >> simplify the code.
> >
> > Could you please clarify what is the "DRM panel bridge helper"?
> >
> > I think we won't need any additional helpers after switching to the
> > bridge connector helper, no?
>
> Actually, I now see that the panel needs to be manually attached to the
> connector.
>
> Still it's not apparent to me how to get panel out of the bridge. It
> looks like there is no such "panel helper" for the bridge API or I just
> can't find it.
Take a look in bridge/panel.c
I think devm_drm_panel_bridge_add() is what you are after.
Sam
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next prev parent reply other threads:[~2020-04-16 20:37 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-16 17:24 [PATCH v3 0/2] Support DRM bridges on NVIDIA Tegra Dmitry Osipenko
2020-04-16 17:24 ` Dmitry Osipenko
[not found] ` <20200416172405.5051-1-digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2020-04-16 17:24 ` [PATCH v3 1/2] drm/tegra: output: Don't leak OF node on error Dmitry Osipenko
2020-04-16 17:24 ` Dmitry Osipenko
[not found] ` <20200416172405.5051-2-digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2020-04-16 17:27 ` Laurent Pinchart
2020-04-16 17:27 ` Laurent Pinchart
[not found] ` <20200416172727.GN4796-N3hz7ZxfLydczECFQUw77jytWr6r+dGw0E9HWUfgJXw@public.gmane.org>
2020-04-16 17:30 ` Dmitry Osipenko
2020-04-16 17:30 ` Dmitry Osipenko
[not found] ` <304a2a58-0031-bf88-6290-e72ab025d8c5-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2020-04-16 17:45 ` Laurent Pinchart
2020-04-16 17:45 ` Laurent Pinchart
2020-04-16 17:24 ` [PATCH v3 2/2] drm/tegra: output: rgb: Support LVDS encoder bridge Dmitry Osipenko
2020-04-16 17:24 ` Dmitry Osipenko
[not found] ` <20200416172405.5051-3-digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2020-04-16 17:41 ` Laurent Pinchart
2020-04-16 17:41 ` Laurent Pinchart
[not found] ` <20200416174112.GS4796-N3hz7ZxfLydczECFQUw77jytWr6r+dGw0E9HWUfgJXw@public.gmane.org>
2020-04-16 18:52 ` Dmitry Osipenko
2020-04-16 18:52 ` Dmitry Osipenko
[not found] ` <6275bcd3-c0b2-4c1c-1817-9e713d3747c7-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2020-04-16 20:21 ` Dmitry Osipenko
2020-04-16 20:21 ` Dmitry Osipenko
[not found] ` <7cf27640-4fdc-8617-01cb-85f4c5847bb8-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2020-04-16 20:37 ` Sam Ravnborg [this message]
2020-04-16 20:37 ` Sam Ravnborg
2020-04-16 20:50 ` Laurent Pinchart
2020-04-16 20:50 ` Laurent Pinchart
[not found] ` <20200416205012.GA28162-N3hz7ZxfLydczECFQUw77jytWr6r+dGw0E9HWUfgJXw@public.gmane.org>
2020-04-16 21:15 ` Dmitry Osipenko
2020-04-16 21:15 ` Dmitry Osipenko
[not found] ` <fbafa641-f2ed-22b5-eaeb-bd2726b53d0a-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2020-04-16 21:39 ` Laurent Pinchart
2020-04-16 21:39 ` Laurent Pinchart
[not found] ` <20200416213919.GB28162-N3hz7ZxfLydczECFQUw77jytWr6r+dGw0E9HWUfgJXw@public.gmane.org>
2020-04-16 22:22 ` Dmitry Osipenko
2020-04-16 22:22 ` Dmitry Osipenko
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