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From: Maxime Ripard <maxime.ripard@bootlin.com>
To: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Cc: Rob Herring <robh@kernel.org>, Tomasz Figa <tfiga@chromium.org>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	Linux Media Mailing List <linux-media@vger.kernel.org>,
	devicetree@vger.kernel.org,
	"list@263.net:IOMMU DRIVERS <iommu@lists.linux-foundation.org>,
	Joerg Roedel <joro@8bytes.org>,"
	<linux-arm-kernel@lists.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-sunxi@googlegroups.com,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	wens@csie.org, Pawel Osciak <pawel@osciak.com>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	Kyungmin Park <kyungmin.park@samsung.com>,
	Hans Verkuil <hans.verkuil@cisco.com>,
	Sakari Ailus <sakari.ailus@linux.intel.com>,
	Arnd Bergmann <arnd@arndb.de>,
	Alexandre Courbot <acourbot@chromium.org>
Subject: Re: [PATCH v2 08/10] dt-bindings: media: Document bindings for the Sunxi-Cedrus VPU driver
Date: Fri, 4 May 2018 10:12:14 +0200	[thread overview]
Message-ID: <20180504081214.3luailyresuq5x4z@flea> (raw)
In-Reply-To: <ce85c790b639bf9101b8c33526bdf149070bcc03.camel@bootlin.com>

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On Fri, May 04, 2018 at 09:56:20AM +0200, Paul Kocialkowski wrote:
> > > I agree that the term VPU is more commonly associated with video
> > > decoding, while video engine could mean a number of things.
> > > 
> > > The reason I went with "video-engine" here (while still presenting
> > > the
> > > driver as a VPU driver) is that Video Engine is the term used in
> > > Allwinner's litterature. Other nodes in Allwinner device-trees
> > > generally
> > > stick to these terms (for instance, we have "display-engine" nodes).
> > > This also makes it easier to find the matching parts in the
> > > documentation.
> > 
> > 'video-codec' is what is defined in the DT spec.
> 
> Is that an actively-enforced guideline or a suggestion? I'd like to keep
> video-engine just to stick with the technical documentation wording and
> my personal taste is also to prefer vpu over video-codec (in terms of
> clarity/straightforwardness) as a second choice.
> 
> Still, if the choice isn't up to me, we can go with video-codec (or
> vpu).

The unit-name is supposed to reflect the class of the device, and
nothing else. If there's already a pre-existing class name defined for
these kind of devices, then there's no point in choosing something
else.

Maxime

-- 
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

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  reply	other threads:[~2018-05-04  8:12 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-19 15:41 [PATCH v2 00/10] Sunxi-Cedrus driver for the Allwinner Video Engine, using media requests Paul Kocialkowski
2018-04-19 15:41 ` [PATCH v2 01/10] media: v4l2-ctrls: Add missing v4l2 ctrl unlock Paul Kocialkowski
2018-04-20  7:23   ` Maxime Ripard
2018-04-20 13:38   ` Hans Verkuil
2018-04-19 15:41 ` [PATCH v2 02/10] media-request: Add a request complete operation to allow m2m scheduling Paul Kocialkowski
2018-04-20  7:38   ` Alexandre Courbot
2018-04-20 13:48   ` Hans Verkuil
2018-04-24  8:28   ` Sakari Ailus
2018-05-04  8:03   ` Paul Kocialkowski
2018-04-19 15:41 ` [PATCH v2 03/10] videobuf2-core: Add helper to get buffer private data from media request Paul Kocialkowski
2018-04-20 13:43   ` Hans Verkuil
2018-04-24  8:37   ` Sakari Ailus
2018-05-04  8:03   ` Paul Kocialkowski
2018-04-19 15:41 ` [PATCH v2 04/10] media: vim2m: Implement media request complete op to schedule m2m run Paul Kocialkowski
2018-04-19 15:45 ` [PATCH v2 05/10] media: v4l: Add definitions for MPEG2 frame format and header metadata Paul Kocialkowski
2018-04-20  9:51   ` Tomasz Figa
2018-05-04  8:24     ` Paul Kocialkowski
2018-04-20 13:57   ` Hans Verkuil
2018-05-04  8:22     ` Paul Kocialkowski
2018-04-20 14:00   ` Hans Verkuil
2018-04-24  9:01   ` Sakari Ailus
2018-05-04  8:21     ` Paul Kocialkowski
2018-05-04  8:48   ` Paul Kocialkowski
2018-04-19 15:45 ` [PATCH v2 06/10] media: v4l: Add definition for Allwinner's MB32-tiled NV12 format Paul Kocialkowski
2018-04-20 13:59   ` Hans Verkuil
2018-05-04  7:58     ` Paul Kocialkowski
2018-04-19 15:45 ` [PATCH v2 07/10] media: platform: Add Sunxi-Cedrus VPU decoder driver Paul Kocialkowski
2018-04-24  9:13   ` Sakari Ailus
2018-05-04  7:57     ` Paul Kocialkowski
2018-04-19 15:45 ` [PATCH v2 08/10] dt-bindings: media: Document bindings for the Sunxi-Cedrus VPU driver Paul Kocialkowski
2018-04-19 16:04   ` Philipp Zabel
2018-04-20  1:31     ` Tomasz Figa
2018-04-20  7:22       ` Paul Kocialkowski
2018-04-27  3:04         ` Rob Herring
2018-05-04  7:56           ` Paul Kocialkowski
2018-05-04  8:12             ` Maxime Ripard [this message]
2018-04-27  3:06   ` Rob Herring
2018-04-19 15:45 ` [PATCH v2 09/10] ARM: dts: sun7i-a20: Add Video Engine and reserved memory nodes Paul Kocialkowski
2018-04-20  7:39   ` Maxime Ripard
2018-05-04  7:49     ` Paul Kocialkowski
2018-05-04  8:40       ` Maxime Ripard
2018-05-04  8:47         ` Paul Kocialkowski
2018-05-04  8:54           ` Paul Kocialkowski
2018-05-04  9:15           ` Maxime Ripard
2018-05-04 12:04             ` Paul Kocialkowski
2018-05-04 13:40               ` Maxime Ripard
2018-05-04 13:57                 ` Paul Kocialkowski
2018-05-04 15:44                   ` Maxime Ripard
2018-04-19 15:45 ` [PATCH v2 10/10] ARM: dts: sun8i-a33: " Paul Kocialkowski

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