From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: "Noralf Trønnes" <noralf@tronnes.org>
Cc: daniel.vetter@ffwll.ch, emil.l.velikov@gmail.com,
josef@lusticky.cz, dri-devel@lists.freedesktop.org,
thierry.reding@gmail.com, Sam Ravnborg <sam@ravnborg.org>
Subject: Re: [PATCH 4/4] drm/panel/ili9341: Support DPI panels
Date: Mon, 12 Aug 2019 18:35:42 +0300 [thread overview]
Message-ID: <20190812153542.GJ5006@pendragon.ideasonboard.com> (raw)
In-Reply-To: <4b195dcc-1b78-2d4b-b309-17cf8761296a@tronnes.org>
On Mon, Aug 12, 2019 at 02:13:54PM +0200, Noralf Trønnes wrote:
> Den 11.08.2019 18.41, skrev Sam Ravnborg:
> > On Thu, Aug 01, 2019 at 03:52:49PM +0200, Noralf Trønnes wrote:
> >> Add support for panels that use the DPI interface.
> >> ILI9341 has onboard RAM so the assumption made here is that all such
> >> panels support pixel upload over DBI.
> >>
> >> The presence/absense of the Device Tree 'port' node decides which
> >> interface is used for pixel transfer.
> >
> > Have you consiered if the compatible could be used to determine the use
> > of a panel? Then it is more explicit how the HW is described in DT.
>
> Is that common to use the compatible to tell which interface to use?
> I don't know what best practice is here.
Usually the compatible identifies the device, not the interface.
Additional properties are preferred to describe the interface.
--
Regards,
Laurent Pinchart
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next prev parent reply other threads:[~2019-08-12 15:35 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-01 13:52 [PATCH 0/4] drm/mipi-dbi: Support panel drivers Noralf Trønnes
2019-08-01 13:52 ` [PATCH 1/4] drm/mipi-dbi: Support command mode " Noralf Trønnes
2019-08-11 14:16 ` Sam Ravnborg
2019-08-12 12:05 ` Noralf Trønnes
2019-08-12 18:49 ` Sam Ravnborg
2019-08-13 16:24 ` Noralf Trønnes
2019-08-01 13:52 ` [PATCH 2/4] drm/tiny/ili9341: Move driver to drm/panel Noralf Trønnes
2019-08-01 19:43 ` David Lechner
2019-08-02 14:19 ` Noralf Trønnes
2019-08-11 15:24 ` Sam Ravnborg
2019-08-12 12:11 ` Noralf Trønnes
2019-08-01 13:52 ` [PATCH 3/4] drm/tiny/mi0283qt: Move driver to panel-ilitek-ili9341 Noralf Trønnes
2019-08-01 19:13 ` David Lechner
2019-08-01 13:52 ` [PATCH 4/4] drm/panel/ili9341: Support DPI panels Noralf Trønnes
2019-08-01 19:10 ` [4/4] " David Lechner
2019-08-02 14:14 ` Noralf Trønnes
2019-08-11 16:41 ` [PATCH 4/4] " Sam Ravnborg
2019-08-12 12:13 ` Noralf Trønnes
2019-08-12 15:35 ` Laurent Pinchart [this message]
2019-08-12 18:20 ` Sam Ravnborg
2019-08-11 17:02 ` Sam Ravnborg
2019-08-12 12:18 ` Noralf Trønnes
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