linux-kernel - Re: [PATCH v1 34/35] drm/modes: Introduce the tv

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Message-ID: <20220826064646.ug2djacis7whybpd@houat>
Date:   Fri, 26 Aug 2022 08:46:46 +0200
From:   Maxime Ripard <maxime@...no.tech>
To:     Noralf Trønnes <noralf@...nnes.org>
Cc:     Jernej Skrabec <jernej.skrabec@...il.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Jerome Brunet <jbrunet@...libre.com>,
        Samuel Holland <samuel@...lland.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Daniel Vetter <daniel@...ll.ch>, Emma Anholt <emma@...olt.net>,
        David Airlie <airlied@...ux.ie>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Kevin Hilman <khilman@...libre.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Phil Elwell <phil@...pberrypi.com>,
        Mateusz Kwiatkowski <kfyatek+publicgit@...il.com>,
        linux-arm-kernel@...ts.infradead.org,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        linux-amlogic@...ts.infradead.org, dri-devel@...ts.freedesktop.org,
        Dom Cobley <dom@...pberrypi.com>
Subject: Re: [PATCH v1 34/35] drm/modes: Introduce the tv_mode property as a
 command-line option

On Thu, Aug 25, 2022 at 02:41:27PM +0200, Noralf Trønnes wrote:
> Den 24.08.2022 17.45, skrev Maxime Ripard:
> > Hi Noralf,
> > 
> > On Sat, Aug 20, 2022 at 10:18:47PM +0200, Noralf Trønnes wrote:
> >> Den 29.07.2022 18.35, skrev Maxime Ripard:
> >>> Our new tv mode option allows to specify the TV mode from a property.
> >>> However, it can still be useful, for example to avoid any boot time
> >>> artifact, to set that property directly from the kernel command line.
> >>>
> >>> Let's add some code to allow it, and some unit tests to exercise that code.
> >>>
> >>> Signed-off-by: Maxime Ripard <maxime@...no.tech>
> >>>
> >>
> >> In the subject it says "tv_mode property", but the property is called
> >> "tv norm", so the option should be tv_norm?
> > 
> > Yeah... I don't know. mode is taken but it's obviously the best name. So
> > I went with norm to avoid the (internal) conflict but I left mode for
> > the user facing property.
> > 
> > I'm not sure what's best here, or maybe we can pick another name entirely?
> > 
> 
> Why not just call it "tv mode" or even better "TV Mode". The state
> member can be called tv_mode, but the mode_config member will need a
> temporary name until the "mode" property is removed. tv_tv_mode or maybe
> connector_tv_mode?

Yeah, that seems like a good idea. Would legacy_tv_mode work for you?

> But IMO, if there are no users of this property, adding it should have a
> drm maintainers ack.

Yep, of course :)

Maxime

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