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drm: add drm_connector_attach_edid_property()

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drm_connector_init doesn't attach the edid property for some connector
types, drm_connector_attach_edid_property() can be used to enable the
edid property in these cases.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20181002111041.17053-2-kraxel@redhat.com
This commit is contained in:
Gerd Hoffmann 2018-10-02 13:10:40 +02:00
parent 4db4b85014
commit 6b7e2d5c30
2 changed files with 21 additions and 3 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

23
drivers/gpu/drm/drm_connector.c
View file

@ -260,9 +260,7 @@ int drm_connector_init(struct drm_device *dev,
if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL && if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL &&
connector_type != DRM_MODE_CONNECTOR_WRITEBACK) connector_type != DRM_MODE_CONNECTOR_WRITEBACK)
drm_object_attach_property(&connector->base, drm_connector_attach_edid_property(connector);
config->edid_property,
0);
drm_object_attach_property(&connector->base, drm_object_attach_property(&connector->base,
config->dpms_property, 0); config->dpms_property, 0);
@ -294,6 +292,25 @@ int drm_connector_init(struct drm_device *dev,
} }
EXPORT_SYMBOL(drm_connector_init); EXPORT_SYMBOL(drm_connector_init);
/**
* drm_connector_attach_edid_property - attach edid property.
* @dev: DRM device
* @connector: the connector
*
* Some connector types like DRM_MODE_CONNECTOR_VIRTUAL do not get a
* edid property attached by default. This function can be used to
* explicitly enable the edid property in these cases.
*/
void drm_connector_attach_edid_property(struct drm_connector *connector)
{
struct drm_mode_config *config = &connector->dev->mode_config;
drm_object_attach_property(&connector->base,
config->edid_property,
0);
}
EXPORT_SYMBOL(drm_connector_attach_edid_property);
/** /**
* drm_connector_attach_encoder - attach a connector to an encoder * drm_connector_attach_encoder - attach a connector to an encoder
* @connector: connector to attach * @connector: connector to attach

1
include/drm/drm_connector.h
View file

@ -1084,6 +1084,7 @@ int drm_connector_init(struct drm_device *dev,
struct drm_connector *connector, struct drm_connector *connector,
const struct drm_connector_funcs *funcs, const struct drm_connector_funcs *funcs,
int connector_type); int connector_type);
void drm_connector_attach_edid_property(struct drm_connector *connector);
int drm_connector_register(struct drm_connector *connector); int drm_connector_register(struct drm_connector *connector);
void drm_connector_unregister(struct drm_connector *connector); void drm_connector_unregister(struct drm_connector *connector);
int drm_connector_attach_encoder(struct drm_connector *connector, int drm_connector_attach_encoder(struct drm_connector *connector,