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drm/mode: document path property and function to set it. (v1.1)

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These two didn't get documented properly, do so.

Pointed out by Daniel.

v1.1: add missing boilerplate (Daniel)

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2014-10-22 12:03:04 +10:00
commit cc7096fb6d
2 changed files with 21 additions and 1 deletions
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9
Documentation/DocBook/drm.tmpl
View file

@ -2534,7 +2534,7 @@ void intel_crt_init(struct drm_device *dev)
</tr>
<tr>
<td rowspan="21" valign="top" >DRM</td>
<td rowspan="2" valign="top" >Generic</td>
<td rowspan="3" valign="top" >Generic</td>
<td valign="top" >“EDID”</td>
<td valign="top" >BLOB | IMMUTABLE</td>
<td valign="top" >0</td>
@ -2549,6 +2549,13 @@ void intel_crt_init(struct drm_device *dev)
<td valign="top" >Contains DPMS operation mode value.</td>
</tr>
<tr>
<td valign="top" >“PATH”</td>
<td valign="top" >BLOB | IMMUTABLE</td>
<td valign="top" >0</td>
<td valign="top" >Connector</td>
<td valign="top" >Contains topology path to a connector.</td>
</tr>
<tr>
<td rowspan="1" valign="top" >Plane</td>
<td valign="top" >“type”</td>
<td valign="top" >ENUM | IMMUTABLE</td>

13
drivers/gpu/drm/drm_crtc.c
View file

@ -4005,6 +4005,19 @@ done:
return ret;
}
/**
* drm_mode_connector_set_path_property - set tile property on connector
* @connector: connector to set property on.
* @path: path to use for property.
*
* This creates a property to expose to userspace to specify a
* connector path. This is mainly used for DisplayPort MST where
* connectors have a topology and we want to allow userspace to give
* them more meaningful names.
*
* Returns:
* Zero on success, errno on failure.
*/
int drm_mode_connector_set_path_property(struct drm_connector *connector,
char *path)
{