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drm: Document drm_atomic_*_get_property

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Yes these are internal functions and not exported and we generally
don't document them. But for symmetry with the _set_property functions
(which are exported for the atomic helpers) I'd like to document them.
Upcoming vtable kerneldoc will reference both the set and get_property
functions.

v2: Suggestions from Thierry.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1449218769-16577-17-git-send-email-daniel.vetter@ffwll.ch
This commit is contained in:
Daniel Vetter 2015-12-04 09:45:57 +01:00
parent 129b782008
commit c0714fc907
2 changed files with 31 additions and 3 deletions
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1
Documentation/DocBook/gpu.tmpl
View File

@ -946,6 +946,7 @@ int max_width, max_height;</synopsis>
<sect2>
<title>Atomic Mode Setting Function Reference</title>
!Edrivers/gpu/drm/drm_atomic.c
!Idrivers/gpu/drm/drm_atomic.c
</sect2>
<sect2>
<title>Frame Buffer Creation</title>

33
drivers/gpu/drm/drm_atomic.c
View File

@ -429,11 +429,20 @@ int drm_atomic_crtc_set_property(struct drm_crtc *crtc,
}
EXPORT_SYMBOL(drm_atomic_crtc_set_property);
/*
/**
* drm_atomic_crtc_get_property - get property value from CRTC state
* @crtc: the drm CRTC to set a property on
* @state: the state object to get the property value from
* @property: the property to set
* @val: return location for the property value
*
* This function handles generic/core properties and calls out to
* driver's ->atomic_get_property() for driver properties. To ensure
* consistent behavior you must call this function rather than the
* driver hook directly.
*
* RETURNS:
* Zero on success, error code on failure
*/
static int
drm_atomic_crtc_get_property(struct drm_crtc *crtc,
@ -616,11 +625,20 @@ int drm_atomic_plane_set_property(struct drm_plane *plane,
}
EXPORT_SYMBOL(drm_atomic_plane_set_property);
/*
/**
* drm_atomic_plane_get_property - get property value from plane state
* @plane: the drm plane to set a property on
* @state: the state object to get the property value from
* @property: the property to set
* @val: return location for the property value
*
* This function handles generic/core properties and calls out to
* driver's ->atomic_get_property() for driver properties. To ensure
* consistent behavior you must call this function rather than the
* driver hook directly.
*
* RETURNS:
* Zero on success, error code on failure
*/
static int
drm_atomic_plane_get_property(struct drm_plane *plane,
@ -872,11 +890,20 @@ int drm_atomic_connector_set_property(struct drm_connector *connector,
}
EXPORT_SYMBOL(drm_atomic_connector_set_property);
/*
/**
* drm_atomic_connector_get_property - get property value from connector state
* @connector: the drm connector to set a property on
* @state: the state object to get the property value from
* @property: the property to set
* @val: return location for the property value
*
* This function handles generic/core properties and calls out to
* driver's ->atomic_get_property() for driver properties. To ensure
* consistent behavior you must call this function rather than the
* driver hook directly.
*
* RETURNS:
* Zero on success, error code on failure
*/
static int
drm_atomic_connector_get_property(struct drm_connector *connector,