[Letux-kernel] [PATCH v2 8/8] [RFC] drm/ingenic: convert to component framework for jz4780 hdmi
paul at crapouillou.net
Thu Aug 5 18:17:32 CEST 2021
Hi Nikolaus and Laurent,
Le jeu., août 5 2021 at 18:07:20 +0200, H. Nikolaus Schaller
<hns at goldelico.com> a écrit :
> Hi Laurent,
>> Am 05.08.2021 um 17:04 schrieb Laurent Pinchart
>> <laurent.pinchart at ideasonboard.com>:
>> Hi Nikolaus,
>> Thank you for the patch.
>> On Thu, Aug 05, 2021 at 04:07:57PM +0200, H. Nikolaus Schaller
>>> 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
> looked up by whom and do not exactly remember the reasons.
> We now simply thought that it is common style since dome dw-hdmi
> 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.
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