sys/dev/drm/include/drm/drm_atomic.h

   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
  33 struct drm_atomic_state * __must_check
  34 drm_atomic_state_alloc(struct drm_device *dev);
  35 void drm_atomic_state_clear(struct drm_atomic_state *state);
  36 void drm_atomic_state_free(struct drm_atomic_state *state);
  37
  38 struct drm_crtc_state * __must_check
  39 drm_atomic_get_crtc_state(struct drm_atomic_state *state,
  40                           struct drm_crtc *crtc);
  41 int drm_atomic_crtc_set_property(struct drm_crtc *crtc,
  42                 struct drm_crtc_state *state, struct drm_property *property,
  43                 uint64_t val);
  44 struct drm_plane_state * __must_check
  45 drm_atomic_get_plane_state(struct drm_atomic_state *state,
  46                            struct drm_plane *plane);
  47 int drm_atomic_plane_set_property(struct drm_plane *plane,
  48                 struct drm_plane_state *state, struct drm_property *property,
  49                 uint64_t val);
  50 struct drm_connector_state * __must_check
  51 drm_atomic_get_connector_state(struct drm_atomic_state *state,
  52                                struct drm_connector *connector);
  53 int drm_atomic_connector_set_property(struct drm_connector *connector,
  54                 struct drm_connector_state *state, struct drm_property *property,
  55                 uint64_t val);
  56
  57 int __must_check
  58 drm_atomic_set_crtc_for_plane(struct drm_plane_state *plane_state,
  59                               struct drm_crtc *crtc);
  60 void drm_atomic_set_fb_for_plane(struct drm_plane_state *plane_state,
  61                                  struct drm_framebuffer *fb);
  62 int __must_check
  63 drm_atomic_set_crtc_for_connector(struct drm_connector_state *conn_state,
  64                                   struct drm_crtc *crtc);
  65 int __must_check
  66 drm_atomic_add_affected_connectors(struct drm_atomic_state *state,
  67                                    struct drm_crtc *crtc);
  68 int
  69 drm_atomic_connectors_for_crtc(struct drm_atomic_state *state,
  70                                struct drm_crtc *crtc);
  71
  72 void drm_atomic_legacy_backoff(struct drm_atomic_state *state);
  73
  74 int __must_check drm_atomic_check_only(struct drm_atomic_state *state);
  75 int __must_check drm_atomic_commit(struct drm_atomic_state *state);
  76 int __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_ */