linux-kernel - Re: [PATCH v5 0/7] drm/panel: simple: Add mode support to devicetree

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Date:   Fri, 28 Jun 2019 10:10:09 -0600
From:   Rob Herring <robh+dt@...nel.org>
To:     Doug Anderson <dianders@...omium.org>
Cc:     Sam Ravnborg <sam@...nborg.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Heiko Stuebner <heiko@...ech.de>,
        Sean Paul <seanpaul@...omium.org>,
        Mark Rutland <mark.rutland@....com>,
        devicetree@...r.kernel.org,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Brian Norris <briannorris@...omium.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
        Boris Brezillon <boris.brezillon@...labora.com>,
        Klaus Goger <klaus.goger@...obroma-systems.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Enric Balletbò <enric.balletbo@...labora.com>,
        Ezequiel Garcia <ezequiel@...labora.com>,
        Matthias Kaehlcke <mka@...omium.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v5 0/7] drm/panel: simple: Add mode support to devicetree

On Fri, Jun 28, 2019 at 9:55 AM Doug Anderson <dianders@...omium.org> wrote:
>
> Hi,
>
> On Wed, Jun 26, 2019 at 7:41 AM Doug Anderson <dianders@...omium.org> wrote:
> >
> > Hi,
> >
> > On Wed, Jun 26, 2019 at 6:00 AM Sam Ravnborg <sam@...nborg.org> wrote:
> > >
> > > Hi Douglas.
> > >
> > > On Mon, Apr 01, 2019 at 10:17:17AM -0700, Douglas Anderson wrote:
> > > > I'm reviving Sean Paul's old patchset to get mode support in device
> > > > tree.  The cover letter for his v3 is at:
> > > > https://lists.freedesktop.org/archives/dri-devel/2018-February/165162.html
> > > >
> > > > No code is different between v4 and v5, just commit messages and text
> > > > in the bindings.
> > > >
> > > > I've pulled together the patches that didn't land in v3, addressed
> > > > outstanding feedback, and reposted.  Atop them I've added patches for
> > > > rk3288-veyron-chromebook (used for jaq, jerry, mighty, speedy) and
> > > > rk3288-veryon-minnie.
> > > >
> > > > Please let me know how they look.
> > > >
> > > > In general I have added people to the whole series who I think would
> > > > like the whole series and then let get_maintainer pick extra people it
> > > > thinks are relevant to each individual patch.  If I see you respond to
> > > > any of the patches in the series, though, I'll add you to the whole
> > > > series Cc list next time.
> > > >
> > > > Changes in v5:
> > > > - Removed bit about OS may ignore (Rob/Ezequiel)
> > > > - Added Heiko's Tested-by
> > > > - It's not just jerry, it's most rk3288 Chromebooks (Heiko)
> > >
> > > What are the plans to move forward with this?
> > > Or did you drop the whole idea again?
> >
> > At the moment I'm blocked on Thierry responding, either taking the
> > patch or telling me what I need to do to fix it.  I saw Sean Paul ping
> > Thierry on IRC on June 3rd and as far as I could tell there was no
> > response.
> >
> > https://people.freedesktop.org/~cbrill/dri-log/?channel=dri-devel&highlight_names=&date=2019-06-03&show_html=true
> >
> > ...and as you can see Heiko pinged this thread on June 14th.
> >
> > Thierry: can you help give us some direction?  Are you uninterested in
> > reviewing them and would prefer that I find someone to land them in
> > drm-misc directly?
>
> Sam: Oh!  I hadn't noticed that you've been added as a panel
> maintainer in commit ef0db94f94a0 ("MAINTAINERS: Add Sam as reviewer
> for drm/panel").  Does that mean you are able to provide some advice
> for how to land this series?  As far as I know everything is in order
> for it to land, but if you are aware of something I need to do to spin
> it then please let me know!

BTW, at least for the binding, this will get implicitly supported in
the schema conversion[1] as simple-panel as a binding is gone and
panel-common already had timing node defined. A schema for the timing
node is still needed though (hint :) ).

Rob

[1] https://patchwork.ozlabs.org/patch/1121538/