[PATCH v2 06/68] drm/connector: Clarify when drm_connector_unregister is needed

[Sam Ravnborg]

On Wed, Jun 22, 2022 at 04:31:07PM +0200, Maxime Ripard wrote:
> The current documentation for drm_connector_unregister() mentions that
> it's needed for connectors that have been registered through
> drm_dev_register().
> 
> However, this was a typo and was meant to be drm_connector_register(),
> which only applies to connectors registered after drm_dev_register() has
> been called.
> 
> In addition, it was also mentioning that connectors are unregistered
> automatically when drm_dev_unregister() is called. This part is a bit
> misleading, since it might make it appear that
> drm_connector_unregister() applies either to all connectors, or none of
> them.
> 
> After discussing it with Daniel, it appears that we always need to call
> drm_connector_unregister() on connectors that have been registered with
> drm_connector_register(), but only those.
> 
> drm_connector_init() already mentions that it only needs
> drm_connector_cleanup(), so let's clarify the drm_connector_register()
> and drm_connector_unregister() documentation to point at each other, and
> remove the misleading part about drm_dev_unregister().
> 
> Signed-off-by: Maxime Ripard <maxime at cerno.tech>
Acked-by: Sam Ravnborg <sam at ravnborg.org>