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drm/plane: add inline doc for struct drm_plane 

Some of the members of struct drm_plane had extra comments so for these
add inline kernel comment to consolidate all documentation in one place.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
[danvet: Bikeshed a bit more to have real paragraphs with real
sentences.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1478513013-3221-4-git-send-email-gustavo@padovan.org
This commit is contained in:
Gustavo Padovan 2016-11-07 19:03:33 +09:00 committed by Daniel Vetter
parent 5d586983d6
commit 3835b46e55
1 changed files with 44 additions and 14 deletions
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58
include/drm/drm_plane.h
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@ -32,11 +32,6 @@ struct drm_crtc;
/**
* struct drm_plane_state - mutable plane state
* @plane: backpointer to the plane
* @crtc: currently bound CRTC, NULL if disabled
* @fb: currently bound framebuffer
* @fence: optional fence to wait for before scanning out @fb
* @crtc_x: left position of visible portion of plane on crtc
* @crtc_y: upper position of visible portion of plane on crtc
* @crtc_w: width of visible portion of plane on crtc
* @crtc_h: height of visible portion of plane on crtc
* @src_x: left position of visible portion of plane within
@ -51,18 +46,51 @@ struct drm_crtc;
* where N is the number of active planes for given crtc
* @src: clipped source coordinates of the plane (in 16.16)
* @dst: clipped destination coordinates of the plane
* @visible: visibility of the plane
* @state: backpointer to global drm_atomic_state
*/
struct drm_plane_state {
struct drm_plane *plane;
struct drm_crtc *crtc; /* do not write directly, use drm_atomic_set_crtc_for_plane() */
struct drm_framebuffer *fb; /* do not write directly, use drm_atomic_set_fb_for_plane() */
struct dma_fence *fence; /* do not write directly, use drm_atomic_set_fence_for_plane() */
/**
* @crtc:
*
* Currently bound CRTC, NULL if disabled. Do not this write directly,
* use drm_atomic_set_crtc_for_plane()
*/
struct drm_crtc *crtc;
/**
* @fb:
*
* Currently bound framebuffer. Do not write this directly, use
* drm_atomic_set_fb_for_plane()
*/
struct drm_framebuffer *fb;
/**
* @fence:
*
* Optional fence to wait for before scanning out @fb. Do not write this
* directly, use drm_atomic_set_fence_for_plane()
*/
struct dma_fence *fence;
/**
* @crtc_x:
*
* Left position of visible portion of plane on crtc, signed dest
* location allows it to be partially off screen.
*/
int32_t crtc_x;
/**
* @crtc_y:
*
* Upper position of visible portion of plane on crtc, signed dest
* location allows it to be partially off screen.
*/
int32_t crtc_y;
/* Signed dest location allows it to be partially off screen */
int32_t crtc_x, crtc_y;
uint32_t crtc_w, crtc_h;
/* Source values are 16.16 fixed point */
@ -79,9 +107,11 @@ struct drm_plane_state {
/* Clipped coordinates */
struct drm_rect src, dst;
/*
* Is the plane actually visible? Can be false even
* if fb!=NULL and crtc!=NULL, due to clipping.
/**
* @visible:
*
* Visibility of the plane. This can be false even if fb!=NULL and
* crtc!=NULL, due to clipping.
*/
bool visible;