drm_atomic.h revision 1.1.1.1
1 /* $NetBSD: drm_atomic.h,v 1.1.1.1 2018/08/27 01:35:00 riastradh Exp $ */ 2 3 /* 4 * Copyright (C) 2014 Red Hat 5 * Copyright (C) 2014 Intel Corp. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in 15 * all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 23 * OTHER DEALINGS IN THE SOFTWARE. 24 * 25 * Authors: 26 * Rob Clark <robdclark (at) gmail.com> 27 * Daniel Vetter <daniel.vetter (at) ffwll.ch> 28 */ 29 30 #ifndef DRM_ATOMIC_H_ 31 #define DRM_ATOMIC_H_ 32 33 #include <drm/drm_crtc.h> 34 35 struct drm_atomic_state * __must_check 36 drm_atomic_state_alloc(struct drm_device *dev); 37 void drm_atomic_state_clear(struct drm_atomic_state *state); 38 void drm_atomic_state_free(struct drm_atomic_state *state); 39 40 int __must_check 41 drm_atomic_state_init(struct drm_device *dev, struct drm_atomic_state *state); 42 void drm_atomic_state_default_clear(struct drm_atomic_state *state); 43 void drm_atomic_state_default_release(struct drm_atomic_state *state); 44 45 struct drm_crtc_state * __must_check 46 drm_atomic_get_crtc_state(struct drm_atomic_state *state, 47 struct drm_crtc *crtc); 48 int drm_atomic_crtc_set_property(struct drm_crtc *crtc, 49 struct drm_crtc_state *state, struct drm_property *property, 50 uint64_t val); 51 struct drm_plane_state * __must_check 52 drm_atomic_get_plane_state(struct drm_atomic_state *state, 53 struct drm_plane *plane); 54 int drm_atomic_plane_set_property(struct drm_plane *plane, 55 struct drm_plane_state *state, struct drm_property *property, 56 uint64_t val); 57 struct drm_connector_state * __must_check 58 drm_atomic_get_connector_state(struct drm_atomic_state *state, 59 struct drm_connector *connector); 60 int drm_atomic_connector_set_property(struct drm_connector *connector, 61 struct drm_connector_state *state, struct drm_property *property, 62 uint64_t val); 63 64 /** 65 * drm_atomic_get_existing_crtc_state - get crtc state, if it exists 66 * @state: global atomic state object 67 * @crtc: crtc to grab 68 * 69 * This function returns the crtc state for the given crtc, or NULL 70 * if the crtc is not part of the global atomic state. 71 */ 72 static inline struct drm_crtc_state * 73 drm_atomic_get_existing_crtc_state(struct drm_atomic_state *state, 74 struct drm_crtc *crtc) 75 { 76 return state->crtc_states[drm_crtc_index(crtc)]; 77 } 78 79 /** 80 * drm_atomic_get_existing_plane_state - get plane state, if it exists 81 * @state: global atomic state object 82 * @plane: plane to grab 83 * 84 * This function returns the plane state for the given plane, or NULL 85 * if the plane is not part of the global atomic state. 86 */ 87 static inline struct drm_plane_state * 88 drm_atomic_get_existing_plane_state(struct drm_atomic_state *state, 89 struct drm_plane *plane) 90 { 91 return state->plane_states[drm_plane_index(plane)]; 92 } 93 94 /** 95 * drm_atomic_get_existing_connector_state - get connector state, if it exists 96 * @state: global atomic state object 97 * @connector: connector to grab 98 * 99 * This function returns the connector state for the given connector, 100 * or NULL if the connector is not part of the global atomic state. 101 */ 102 static inline struct drm_connector_state * 103 drm_atomic_get_existing_connector_state(struct drm_atomic_state *state, 104 struct drm_connector *connector) 105 { 106 int index = drm_connector_index(connector); 107 108 if (index >= state->num_connector) 109 return NULL; 110 111 return state->connector_states[index]; 112 } 113 114 int __must_check 115 drm_atomic_set_mode_for_crtc(struct drm_crtc_state *state, 116 struct drm_display_mode *mode); 117 int __must_check 118 drm_atomic_set_mode_prop_for_crtc(struct drm_crtc_state *state, 119 struct drm_property_blob *blob); 120 int __must_check 121 drm_atomic_set_crtc_for_plane(struct drm_plane_state *plane_state, 122 struct drm_crtc *crtc); 123 void drm_atomic_set_fb_for_plane(struct drm_plane_state *plane_state, 124 struct drm_framebuffer *fb); 125 int __must_check 126 drm_atomic_set_crtc_for_connector(struct drm_connector_state *conn_state, 127 struct drm_crtc *crtc); 128 int __must_check 129 drm_atomic_add_affected_connectors(struct drm_atomic_state *state, 130 struct drm_crtc *crtc); 131 int __must_check 132 drm_atomic_add_affected_planes(struct drm_atomic_state *state, 133 struct drm_crtc *crtc); 134 135 int 136 drm_atomic_connectors_for_crtc(struct drm_atomic_state *state, 137 struct drm_crtc *crtc); 138 139 void drm_atomic_legacy_backoff(struct drm_atomic_state *state); 140 141 void 142 drm_atomic_clean_old_fb(struct drm_device *dev, unsigned plane_mask, int ret); 143 144 int __must_check drm_atomic_check_only(struct drm_atomic_state *state); 145 int __must_check drm_atomic_commit(struct drm_atomic_state *state); 146 int __must_check drm_atomic_async_commit(struct drm_atomic_state *state); 147 148 #define for_each_connector_in_state(state, connector, connector_state, __i) \ 149 for ((__i) = 0; \ 150 (__i) < (state)->num_connector && \ 151 ((connector) = (state)->connectors[__i], \ 152 (connector_state) = (state)->connector_states[__i], 1); \ 153 (__i)++) \ 154 if (connector) 155 156 #define for_each_crtc_in_state(state, crtc, crtc_state, __i) \ 157 for ((__i) = 0; \ 158 (__i) < (state)->dev->mode_config.num_crtc && \ 159 ((crtc) = (state)->crtcs[__i], \ 160 (crtc_state) = (state)->crtc_states[__i], 1); \ 161 (__i)++) \ 162 if (crtc_state) 163 164 #define for_each_plane_in_state(state, plane, plane_state, __i) \ 165 for ((__i) = 0; \ 166 (__i) < (state)->dev->mode_config.num_total_plane && \ 167 ((plane) = (state)->planes[__i], \ 168 (plane_state) = (state)->plane_states[__i], 1); \ 169 (__i)++) \ 170 if (plane_state) 171 static inline bool 172 drm_atomic_crtc_needs_modeset(struct drm_crtc_state *state) 173 { 174 return state->mode_changed || state->active_changed || 175 state->connectors_changed; 176 } 177 178 179 #endif /* DRM_ATOMIC_H_ */ 180
Indexes created Thu Oct 16 14:10:15 GMT 2025