LXR linux/include/drm/drm

   1/*
   2 * Copyright (C) 2014 Red Hat
   3 * Copyright (C) 2014 Intel Corp.
   4 *
   5 * Permission is hereby granted, free of charge, to any person obtaining a
   6 * copy of this software and associated documentation files (the "Software"),
   7 * to deal in the Software without restriction, including without limitation
   8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9 * and/or sell copies of the Software, and to permit persons to whom the
  10 * Software is furnished to do so, subject to the following conditions:
  11 *
  12 * The above copyright notice and this permission notice shall be included in
  13 * all copies or substantial portions of the Software.
  14 *
  15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  21 * OTHER DEALINGS IN THE SOFTWARE.
  22 *
  23 * Authors:
  24 * Rob Clark <robdclark@gmail.com>
  25 * Daniel Vetter <daniel.vetter@ffwll.ch>
  26 */
  27
  28#ifndef DRM_ATOMIC_H_
  29#define DRM_ATOMIC_H_
  30
  31#include <drm/drm_crtc.h>
  32
  33struct drm_atomic_state * __must_check
  34drm_atomic_state_alloc(struct drm_device *dev);
  35void drm_atomic_state_clear(struct drm_atomic_state *state);
  36void drm_atomic_state_free(struct drm_atomic_state *state);
  37
  38struct drm_crtc_state * __must_check
  39drm_atomic_get_crtc_state(struct drm_atomic_state *state,
  40                          struct drm_crtc *crtc);
  41int drm_atomic_crtc_set_property(struct drm_crtc *crtc,
  42                struct drm_crtc_state *state, struct drm_property *property,
  43                uint64_t val);
  44struct drm_plane_state * __must_check
  45drm_atomic_get_plane_state(struct drm_atomic_state *state,
  46                           struct drm_plane *plane);
  47int drm_atomic_plane_set_property(struct drm_plane *plane,
  48                struct drm_plane_state *state, struct drm_property *property,
  49                uint64_t val);
  50struct drm_connector_state * __must_check
  51drm_atomic_get_connector_state(struct drm_atomic_state *state,
  52                               struct drm_connector *connector);
  53int drm_atomic_connector_set_property(struct drm_connector *connector,
  54                struct drm_connector_state *state, struct drm_property *property,
  55                uint64_t val);
  56
  57int __must_check
  58drm_atomic_set_crtc_for_plane(struct drm_plane_state *plane_state,
  59                              struct drm_crtc *crtc);
  60void drm_atomic_set_fb_for_plane(struct drm_plane_state *plane_state,
  61                                 struct drm_framebuffer *fb);
  62int __must_check
  63drm_atomic_set_crtc_for_connector(struct drm_connector_state *conn_state,
  64                                  struct drm_crtc *crtc);
  65int __must_check
  66drm_atomic_add_affected_connectors(struct drm_atomic_state *state,
  67                                   struct drm_crtc *crtc);
  68int
  69drm_atomic_connectors_for_crtc(struct drm_atomic_state *state,
  70                               struct drm_crtc *crtc);
  71
  72void drm_atomic_legacy_backoff(struct drm_atomic_state *state);
  73
  74int __must_check drm_atomic_check_only(struct drm_atomic_state *state);
  75int __must_check drm_atomic_commit(struct drm_atomic_state *state);
  76int __must_check drm_atomic_async_commit(struct drm_atomic_state *state);
  77
  78#define for_each_connector_in_state(state, connector, connector_state, __i) \
  79        for ((__i) = 0;                                                 \
  80             (connector) = (state)->connectors[__i],                    \
  81             (connector_state) = (state)->connector_states[__i],        \
  82             (__i) < (state)->num_connector;                            \
  83             (__i)++)                                                   \
  84                if (connector)
  85
  86#define for_each_crtc_in_state(state, crtc, crtc_state, __i)    \
  87        for ((__i) = 0;                                         \
  88             (crtc) = (state)->crtcs[__i],                      \
  89             (crtc_state) = (state)->crtc_states[__i],          \
  90             (__i) < (state)->dev->mode_config.num_crtc;        \
  91             (__i)++)                                           \
  92                if (crtc_state)
  93
  94#define for_each_plane_in_state(state, plane, plane_state, __i) \
  95        for ((__i) = 0;                                         \
  96             (plane) = (state)->planes[__i],                    \
  97             (plane_state) = (state)->plane_states[__i],        \
  98             (__i) < (state)->dev->mode_config.num_total_plane; \
  99             (__i)++)                                           \
 100                if (plane_state)
 101
 102#endif /* DRM_ATOMIC_H_ */
 103