Re: [PATCH v1 03/35] drm/atomic: Add TV subconnector property to get/set_property

[Maxime Ripard]

Hi Noralf,

Thanks for your review

On Mon, Aug 08, 2022 at 02:30:42PM +0200, Noralf Trønnes wrote:
> Den 29.07.2022 18.34, skrev Maxime Ripard:
> > The subconnector property was created by drm_mode_create_tv_properties(),
> > but wasn't exposed to the userspace through the generic
> > atomic_get/set_property implementation, and wasn't stored in any generic
> > state structure.
> > 
> > Let's solve this.
> > 
> > Signed-off-by: Maxime Ripard <maxime@xxxxxxxxxx>
>
> I just realised that this and the select_subconnector property isn't
> used by any drivers. Do you plan to use them? Maybe they don't need to
> be wired up at all.

I'm not sure really

It's true that the subconnector and select_subconnector fields in the TV
connector state aren't used by any driver, but the ch7006 and nouveau
will update the property content through a call to
drm_object_property_set_value

https://elixir.bootlin.com/linux/latest/source/drivers/gpu/drm/i2c/ch7006_drv.c#L217
https://elixir.bootlin.com/linux/latest/source/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c#L185

I think it could still be useful to report it in the connector state, if
only for consistency?

Maxime

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