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drm/doc: introduce new section for standard plane properties

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Introduce a new "Standard Plane Properties" section for properties
defined in drm_plane.c. Move the mis-placed IN_FORMATS docs there.

Signed-off-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Daniel Vetter <daniel@ffwll.ch>
Cc: Pekka Paalanen <ppaalanen@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201217113220.102271-3-contact@emersion.fr
This commit is contained in:
Simon Ser
2020-12-17 12:32:13 +01:00
parent 46f9be4c8a
commit 77a71abbdd
3 changed files with 18 additions and 6 deletions
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6
Documentation/gpu/drm-kms.rst
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@@ -493,6 +493,12 @@ Standard CRTC Properties
.. kernel-doc:: drivers/gpu/drm/drm_crtc.c .. kernel-doc:: drivers/gpu/drm/drm_crtc.c
:doc: standard CRTC properties :doc: standard CRTC properties
Standard Plane Properties
-------------------------
.. kernel-doc:: drivers/gpu/drm/drm_plane.c
:doc: standard plane properties
Plane Composition Properties Plane Composition Properties
---------------------------- ----------------------------

6
drivers/gpu/drm/drm_blend.c
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@@ -185,12 +185,6 @@
* plane does not expose the "alpha" property, then this is * plane does not expose the "alpha" property, then this is
* assumed to be 1.0 * assumed to be 1.0
* *
* IN_FORMATS:
* Blob property which contains the set of buffer format and modifier
* pairs supported by this plane. The blob is a drm_format_modifier_blob
* struct. Without this property the plane doesn't support buffers with
* modifiers. Userspace cannot change this property.
*
* Note that all the property extensions described here apply either to the * Note that all the property extensions described here apply either to the
* plane or the CRTC (e.g. for the background color, which currently is not * plane or the CRTC (e.g. for the background color, which currently is not
* exposed and assumed to be black). * exposed and assumed to be black).

12
drivers/gpu/drm/drm_plane.c
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@@ -61,6 +61,18 @@
* userspace too much. * userspace too much.
*/ */
/**
* DOC: standard plane properties
*
* DRM planes have a few standardized properties:
*
* IN_FORMATS:
* Blob property which contains the set of buffer format and modifier
* pairs supported by this plane. The blob is a drm_format_modifier_blob
* struct. Without this property the plane doesn't support buffers with
* modifiers. Userspace cannot change this property.
*/
static unsigned int drm_num_planes(struct drm_device *dev) static unsigned int drm_num_planes(struct drm_device *dev)
{ {
unsigned int num = 0; unsigned int num = 0;