Re: [PATCH v1 06/35] drm/connector: Only register TV mode property if present

[Noralf Trønnes]

Den 15.08.2022 12.40, skrev Maxime Ripard:
> Hi,
> 
> On Mon, Aug 08, 2022 at 02:49:08PM +0200, Noralf Trønnes wrote:
>> Den 29.07.2022 18.34, skrev Maxime Ripard:
>>> The drm_create_tv_properties() will create the TV mode property
>>> unconditionally.
>>>
>>> However, since we'll gradually phase it out, let's register it only if we
>>> have a list passed as an argument. This will make the transition easier.
>>>
>>> Signed-off-by: Maxime Ripard <maxime@xxxxxxxxxx>
>>>
>>
>> I don't understand why this makes the transition easier, but if you
>> think so:
> 
> So the basic idea behind this series was to introduce the new property,
> gradually convert the old drivers to the new one, and finally remove the
> old one.
> 
> In order to keep the backward compatibility, we need to add to the
> drivers some custom get/set_property hook to expose the old property and
> fill the new one if needed.
> 
> That means that each driver would have to create the old property, which
> will conflict with that code
> 

Got it.

Noralf.