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| author | Dave Airlie <airlied@redhat.com> | 2014-06-05 14:01:31 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2014-07-08 11:40:23 +1000 |
| commit | 43aba7eb0dc052d84e88f3569ea3f030868d49b2 (patch) | |
| tree | bc53dc854ba0327bb10339e0442ee6e640fec28b /drivers/gpu/drm/drm_crtc.c | |
| parent | 65c2a89c30ed63db15fbbdba41b74e5f47278897 (diff) | |
| download | linux-43aba7eb0dc052d84e88f3569ea3f030868d49b2.tar.gz linux-43aba7eb0dc052d84e88f3569ea3f030868d49b2.tar.bz2 linux-43aba7eb0dc052d84e88f3569ea3f030868d49b2.zip | |
drm: add a path blob property
This property will be used by the MST code to provide userspace
with a path to parse so it can recognise connectors around hotplugs.
Reviewed-by: Todd Previte <tprevite@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/drm_crtc.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index f939b058953c..bd7422676638 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -1257,6 +1257,7 @@ static int drm_mode_create_standard_connector_properties(struct drm_device *dev) { struct drm_property *edid; struct drm_property *dpms; + struct drm_property *dev_path; /* * Standard properties (apply to all connectors) @@ -1271,6 +1272,12 @@ static int drm_mode_create_standard_connector_properties(struct drm_device *dev) ARRAY_SIZE(drm_dpms_enum_list)); dev->mode_config.dpms_property = dpms; + dev_path = drm_property_create(dev, + DRM_MODE_PROP_BLOB | + DRM_MODE_PROP_IMMUTABLE, + "PATH", 0); + dev->mode_config.path_property = dev_path; + return 0; } @@ -3755,6 +3762,25 @@ done: return ret; } +int drm_mode_connector_set_path_property(struct drm_connector *connector, + char *path) +{ + struct drm_device *dev = connector->dev; + int ret, size; + size = strlen(path) + 1; + + connector->path_blob_ptr = drm_property_create_blob(connector->dev, + size, path); + if (!connector->path_blob_ptr) + return -EINVAL; + + ret = drm_object_property_set_value(&connector->base, + dev->mode_config.path_property, + connector->path_blob_ptr->base.id); + return ret; +} +EXPORT_SYMBOL(drm_mode_connector_set_path_property); + /** * drm_mode_connector_update_edid_property - update the edid property of a connector * @connector: drm connector |