Re: [PATCH v2 5/6] drm/atmel-hlcdc: add support for connecting to tda998x HDMI encoder

From: Peter Rosin
Date: Wed Apr 18 2018 - 04:02:36 EST

On 2018-04-18 09:36, Boris Brezillon wrote:
> On Tue, 17 Apr 2018 15:10:51 +0200
> Peter Rosin <peda@xxxxxxxxxx> wrote:
>> When the of-graph points to a tda998x-compatible HDMI encoder, register
>> as a component master and bind to the encoder/connector provided by
>> the tda998x driver.
> Can't we do the opposite: make the tda998x driver expose its devices as
> drm bridges. I'd rather not add another way to connect external
> encoders (or bridges) to display controller drivers, especially since,
> when I asked DRM maintainers/devs what was the good approach to
> represent such external encoders they pointed me to the drm_bridge
> interface.

>From the cover letter:

"However, I don't know if the tilcdc driver is interfacing with the
tda998x driver in a sane and modern way"

So, which way is the future? Should bridges become components or should
existing bridge-like components no longer be components? Are there others?