Hi Andrzej.
On Wed, Jul 24, 2019 at 03:59:24PM +0200, Andrzej Pietrasiewicz wrote:
> Allow passing ddc adapter pointer to the init function. Even if
> drm_connector_init() sometime in the future decides to e.g. memset() all
> connector fields to zeros, the newly added function ensures that at its
> completion the ddc member of connector is correctly set.
>
> Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/drm_connector.c | 19 +++++++++++++++++++
> include/drm/drm_connector.h | 5 +++++
> 2 files changed, 24 insertions(+)
>
> diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c
> index 068d4b05f1be..06fbfc44fb48 100644
> --- a/drivers/gpu/drm/drm_connector.c
> +++ b/drivers/gpu/drm/drm_connector.c
> @@ -296,6 +296,25 @@ int drm_connector_init(struct drm_device *dev,
> }
> EXPORT_SYMBOL(drm_connector_init);
>
> +int drm_connector_init_with_ddc(struct drm_device *dev,
> + struct drm_connector *connector,
> + const struct drm_connector_funcs *funcs,
> + int connector_type,
> + struct i2c_adapter *ddc)
> +{
This is good, with this helper there is no longer any confusion about
ordering.
drm_connector_init_with_ddc() is part of the public interface for
drm_connector and needs kernel-doc documentation.
Sam
> + int ret;
> +
> + ret = drm_connector_init(dev, connector, funcs, connector_type);
> + if (ret)
> + return ret;
> +
> + /* provide ddc symlink in sysfs */
> + connector->ddc = ddc;
> +
> + return ret;
> +}
> +EXPORT_SYMBOL(drm_connector_init_with_ddc);
> +
> /**
> * drm_connector_attach_edid_property - attach edid property.
> * @connector: the connector
> diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
> index 33a6fff85fdb..937fda9c1374 100644
> --- a/include/drm/drm_connector.h
> +++ b/include/drm/drm_connector.h
> @@ -1410,6 +1410,11 @@ int drm_connector_init(struct drm_device *dev,
> struct drm_connector *connector,
> const struct drm_connector_funcs *funcs,
> int connector_type);
> +int drm_connector_init_with_ddc(struct drm_device *dev,
> + struct drm_connector *connector,
> + const struct drm_connector_funcs *funcs,
> + int connector_type,
> + struct i2c_adapter *ddc);
> void drm_connector_attach_edid_property(struct drm_connector *connector);
> int drm_connector_register(struct drm_connector *connector);
> void drm_connector_unregister(struct drm_connector *connector);
> --
> 2.17.1
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