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From: Paul Cercueil <paul@crapouillou.net>
To: "H. Nikolaus Schaller" <hns@goldelico.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Kees Cook <keescook@chromium.org>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	Miquel Raynal <miquel.raynal@bootlin.com>,
	David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	Andrzej Hajda <a.hajda@samsung.com>,
	Neil Armstrong <narmstrong@baylibre.com>,
	Robert Foss <robert.foss@linaro.org>,
	Jernej Skrabec <jernej.skrabec@gmail.com>,
	Ezequiel Garcia <ezequiel@collabora.com>,
	Harry Wentland <harry.wentland@amd.com>,
	Sam Ravnborg <sam@ravnborg.org>,
	Maxime Ripard <maxime@cerno.tech>,
	Hans Verkuil <hverkuil-cisco@xs4all.nl>,
	devicetree@vger.kernel.org, linux-mips@vger.kernel.org,
	linux-kernel@vger.kernel.org, letux-kernel@openphoenux.org,
	Paul Boddie <paul@boddie.org.uk>, Jonas Karlman <jonas@kwiboo.se>,
	dri-devel@lists.freedesktop.org
Subject: Re: [PATCH v2 8/8] [RFC] drm/ingenic: convert to component framework for jz4780 hdmi
Date: Thu, 05 Aug 2021 18:17:32 +0200	[thread overview]
Message-ID: <8XJDXQ.X70C5WOD0QB7@crapouillou.net> (raw)
In-Reply-To: <BDF501D1-BA1D-4866-8EAF-3862F6CEC6F4@goldelico.com>

Hi Nikolaus and Laurent,

Le jeu., août 5 2021 at 18:07:20 +0200, H. Nikolaus Schaller 
<hns@goldelico.com> a écrit :
> Hi Laurent,
> 
>>  Am 05.08.2021 um 17:04 schrieb Laurent Pinchart 
>> <laurent.pinchart@ideasonboard.com>:
>> 
>>  Hi Nikolaus,
>> 
>>  Thank you for the patch.
>> 
>>  On Thu, Aug 05, 2021 at 04:07:57PM +0200, H. Nikolaus Schaller 
>> wrote:
>>>  This patch attempts to convert the ingenic-dw-hdmi driver
>>>  into a version that uses the component framework.
>> 
>>  Why ? What problem would this solve ?
> 
> Well, it was suggested in a v1 we did post several months ago. I have 
> not
> looked up by whom and do not exactly remember the reasons.
> 
> We now simply thought that it is common style since dome dw-hdmi 
> drivers
> make use of it but some others don't. And we got it working without.
> 
> If it is not needed/requested by anyone, we can drop it from v3 (or 
> add later).

I don't remember exactly TBH - the only reason to use a component is to 
have access to the main driver's "drm_device" structure. The IPU needs 
it for instance, to register planes; but I don't think this HDMI driver 
needs it as it registers a bridge.

Cheers,
-Paul



  reply	other threads:[~2021-08-05 16:17 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-05 14:07 [PATCH v2 0/8] MIPS: jz4780 HDMI H. Nikolaus Schaller
2021-08-05 14:07 ` [PATCH v2 1/8] drm/bridge: synopsis: Add mode_fixup and bridge timings support H. Nikolaus Schaller
2021-08-05 14:32   ` Robert Foss
2021-08-05 14:45     ` H. Nikolaus Schaller
2021-08-08  4:50     ` H. Nikolaus Schaller
2021-08-05 14:07 ` [PATCH v2 2/8] drm/ingenic: Add jz4780 Synopsys HDMI driver H. Nikolaus Schaller
2021-08-05 14:07 ` [PATCH v2 3/8] drm/ingenic: Add support for JZ4780 and HDMI output H. Nikolaus Schaller
2021-08-05 15:22   ` Paul Cercueil
2021-08-05 16:01     ` H. Nikolaus Schaller
2021-08-08  5:04     ` H. Nikolaus Schaller
2021-08-05 14:07 ` [PATCH v2 4/8] dt-bindings: display: Add ingenic-jz4780-hdmi DT Schema H. Nikolaus Schaller
2021-08-05 14:07 ` [PATCH v2 5/8] MIPS: DTS: jz4780: account for Synopsys HDMI driver and LCD controller H. Nikolaus Schaller
2021-08-05 14:07 ` [PATCH v2 6/8] MIPS: DTS: CI20: add HDMI setup H. Nikolaus Schaller
2021-08-05 14:07 ` [PATCH v2 7/8] MIPS: CI20: defconfig: configure for DRM_DW_HDMI_JZ4780 H. Nikolaus Schaller
2021-08-05 14:07 ` [PATCH v2 8/8] [RFC] drm/ingenic: convert to component framework for jz4780 hdmi H. Nikolaus Schaller
2021-08-05 15:04   ` Laurent Pinchart
2021-08-05 16:07     ` H. Nikolaus Schaller
2021-08-05 16:17       ` Paul Cercueil [this message]
2021-08-05 16:22         ` H. Nikolaus Schaller
2021-08-10  9:31         ` Daniel Vetter

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