linux/include/drm/drm_atomic.h
Ander Conselvan de Oliveira df63b9994e drm/atomic: Add for_each_{connector,crtc,plane}_in_state helper macros
This saves some typing whenever a iteration over all the connector,
crtc or plane states in the atomic state is written, which happens
quite often.

Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-04-11 18:50:22 +02:00

103 lines
4.0 KiB
C

/*
* Copyright (C) 2014 Red Hat
* Copyright (C) 2014 Intel Corp.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors:
* Rob Clark <robdclark@gmail.com>
* Daniel Vetter <daniel.vetter@ffwll.ch>
*/
#ifndef DRM_ATOMIC_H_
#define DRM_ATOMIC_H_
#include <drm/drm_crtc.h>
struct drm_atomic_state * __must_check
drm_atomic_state_alloc(struct drm_device *dev);
void drm_atomic_state_clear(struct drm_atomic_state *state);
void drm_atomic_state_free(struct drm_atomic_state *state);
struct drm_crtc_state * __must_check
drm_atomic_get_crtc_state(struct drm_atomic_state *state,
struct drm_crtc *crtc);
int drm_atomic_crtc_set_property(struct drm_crtc *crtc,
struct drm_crtc_state *state, struct drm_property *property,
uint64_t val);
struct drm_plane_state * __must_check
drm_atomic_get_plane_state(struct drm_atomic_state *state,
struct drm_plane *plane);
int drm_atomic_plane_set_property(struct drm_plane *plane,
struct drm_plane_state *state, struct drm_property *property,
uint64_t val);
struct drm_connector_state * __must_check
drm_atomic_get_connector_state(struct drm_atomic_state *state,
struct drm_connector *connector);
int drm_atomic_connector_set_property(struct drm_connector *connector,
struct drm_connector_state *state, struct drm_property *property,
uint64_t val);
int __must_check
drm_atomic_set_crtc_for_plane(struct drm_plane_state *plane_state,
struct drm_crtc *crtc);
void drm_atomic_set_fb_for_plane(struct drm_plane_state *plane_state,
struct drm_framebuffer *fb);
int __must_check
drm_atomic_set_crtc_for_connector(struct drm_connector_state *conn_state,
struct drm_crtc *crtc);
int __must_check
drm_atomic_add_affected_connectors(struct drm_atomic_state *state,
struct drm_crtc *crtc);
int
drm_atomic_connectors_for_crtc(struct drm_atomic_state *state,
struct drm_crtc *crtc);
void drm_atomic_legacy_backoff(struct drm_atomic_state *state);
int __must_check drm_atomic_check_only(struct drm_atomic_state *state);
int __must_check drm_atomic_commit(struct drm_atomic_state *state);
int __must_check drm_atomic_async_commit(struct drm_atomic_state *state);
#define for_each_connector_in_state(state, connector, connector_state, __i) \
for ((__i) = 0; \
(connector) = (state)->connectors[__i], \
(connector_state) = (state)->connector_states[__i], \
(__i) < (state)->num_connector; \
(__i)++) \
if (connector)
#define for_each_crtc_in_state(state, crtc, crtc_state, __i) \
for ((__i) = 0; \
(crtc) = (state)->crtcs[__i], \
(crtc_state) = (state)->crtc_states[__i], \
(__i) < (state)->dev->mode_config.num_crtc; \
(__i)++) \
if (crtc_state)
#define for_each_plane_in_state(state, plane, plane_state, __i) \
for ((__i) = 0; \
(plane) = (state)->planes[__i], \
(plane_state) = (state)->plane_states[__i], \
(__i) < (state)->dev->mode_config.num_total_plane; \
(__i)++) \
if (plane_state)
#endif /* DRM_ATOMIC_H_ */