Thread (41 messages) 41 messages, 7 authors, 2021-09-03

Re: [PATCH v5, 00/15] Using component framework to support multi hardware decode

From: Daniel Vetter <hidden>
Date: 2021-08-22 16:50:40
Also in: dri-devel, linux-devicetree, linux-media, linux-mediatek, lkml

On Wed, Aug 18, 2021 at 4:12 PM Ezequiel Garcia
[off-list ref] wrote:
+danvet

Hi,

On Tue, 10 Aug 2021 at 23:58, Yunfei Dong [off-list ref] wrote:
quoted
This series adds support for multi hardware decode into mtk-vcodec, by first
adding component framework to manage each hardware information: interrupt,
clock, register bases and power. Secondly add core thread to deal with core
hardware message, at the same time, add msg queue for different hardware
share messages. Lastly, the architecture of different specs are not the same,
using specs type to separate them.
I don't think it's a good idea to introduce the component API in the
media subsystem. It doesn't seem to be maintained, IRC there's not even
a maintainer for it, and it has some issues that were never addressed.
Defacto dri-devel folks are maintainer component.c, but also I'm not
aware of anything missing there?

There has been discussions that in various drm subsystems like
drm_bridge or drm_panel a few things are missing, which prevent
drivers from moving _away_ from component.c to the more specific
solutions for panel/bridges. But nothing that's preventing them from
using component.c itself.

I'm happy to merge a MAINTAINERS patch to clarify the situation if
that's needed.
-Daniel
It would be really important to avoid it. Is it really needed in the
first place?

Thanks,
Ezequiel


-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

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