33 static void kfree_state(struct drm_atomic_state *state)  in kfree_state()  argument
35 	kfree(state->connectors);  in kfree_state()
36 	kfree(state->connector_states);  in kfree_state()
37 	kfree(state->crtcs);  in kfree_state()
38 	kfree(state->crtc_states);  in kfree_state()
39 	kfree(state->planes);  in kfree_state()
40 	kfree(state->plane_states);  in kfree_state()
41 	kfree(state);  in kfree_state()
53 	struct drm_atomic_state *state;  in drm_atomic_state_alloc()  local
55 	state = kzalloc(sizeof(*state), GFP_KERNEL);  in drm_atomic_state_alloc()
56 	if (!state)  in drm_atomic_state_alloc()
62 	state->allow_modeset = true;  in drm_atomic_state_alloc()
64 	state->num_connector = ACCESS_ONCE(dev->mode_config.num_connector);  in drm_atomic_state_alloc()
66 	state->crtcs = kcalloc(dev->mode_config.num_crtc,  in drm_atomic_state_alloc()
67 			       sizeof(*state->crtcs), GFP_KERNEL);  in drm_atomic_state_alloc()
68 	if (!state->crtcs)  in drm_atomic_state_alloc()
70 	state->crtc_states = kcalloc(dev->mode_config.num_crtc,  in drm_atomic_state_alloc()
71 				     sizeof(*state->crtc_states), GFP_KERNEL);  in drm_atomic_state_alloc()
72 	if (!state->crtc_states)  in drm_atomic_state_alloc()
74 	state->planes = kcalloc(dev->mode_config.num_total_plane,  in drm_atomic_state_alloc()
75 				sizeof(*state->planes), GFP_KERNEL);  in drm_atomic_state_alloc()
76 	if (!state->planes)  in drm_atomic_state_alloc()
78 	state->plane_states = kcalloc(dev->mode_config.num_total_plane,  in drm_atomic_state_alloc()
79 				      sizeof(*state->plane_states), GFP_KERNEL);  in drm_atomic_state_alloc()
80 	if (!state->plane_states)  in drm_atomic_state_alloc()
82 	state->connectors = kcalloc(state->num_connector,  in drm_atomic_state_alloc()
83 				    sizeof(*state->connectors),  in drm_atomic_state_alloc()
85 	if (!state->connectors)  in drm_atomic_state_alloc()
87 	state->connector_states = kcalloc(state->num_connector,  in drm_atomic_state_alloc()
88 					  sizeof(*state->connector_states),  in drm_atomic_state_alloc()
90 	if (!state->connector_states)  in drm_atomic_state_alloc()
93 	state->dev = dev;  in drm_atomic_state_alloc()
95 	DRM_DEBUG_ATOMIC("Allocate atomic state %p\n", state);  in drm_atomic_state_alloc()
97 	return state;  in drm_atomic_state_alloc()
99 	kfree_state(state);  in drm_atomic_state_alloc()
119 void drm_atomic_state_clear(struct drm_atomic_state *state)  in drm_atomic_state_clear()  argument
121 	struct drm_device *dev = state->dev;  in drm_atomic_state_clear()
125 	DRM_DEBUG_ATOMIC("Clearing atomic state %p\n", state);  in drm_atomic_state_clear()
127 	for (i = 0; i < state->num_connector; i++) {  in drm_atomic_state_clear()
128 		struct drm_connector *connector = state->connectors[i];  in drm_atomic_state_clear()
136 						       state->connector_states[i]);  in drm_atomic_state_clear()
137 		state->connectors[i] = NULL;  in drm_atomic_state_clear()
138 		state->connector_states[i] = NULL;  in drm_atomic_state_clear()
142 		struct drm_crtc *crtc = state->crtcs[i];  in drm_atomic_state_clear()
148 						  state->crtc_states[i]);  in drm_atomic_state_clear()
149 		state->crtcs[i] = NULL;  in drm_atomic_state_clear()
150 		state->crtc_states[i] = NULL;  in drm_atomic_state_clear()
154 		struct drm_plane *plane = state->planes[i];  in drm_atomic_state_clear()
160 						   state->plane_states[i]);  in drm_atomic_state_clear()
161 		state->planes[i] = NULL;  in drm_atomic_state_clear()
162 		state->plane_states[i] = NULL;  in drm_atomic_state_clear()
174 void drm_atomic_state_free(struct drm_atomic_state *state)  in drm_atomic_state_free()  argument
176 	if (!state)  in drm_atomic_state_free()
179 	drm_atomic_state_clear(state);  in drm_atomic_state_free()
181 	DRM_DEBUG_ATOMIC("Freeing atomic state %p\n", state);  in drm_atomic_state_free()
183 	kfree_state(state);  in drm_atomic_state_free()
203 drm_atomic_get_crtc_state(struct drm_atomic_state *state,  in drm_atomic_get_crtc_state()  argument
211 	if (state->crtc_states[index])  in drm_atomic_get_crtc_state()
212 		return state->crtc_states[index];  in drm_atomic_get_crtc_state()
214 	ret = drm_modeset_lock(&crtc->mutex, state->acquire_ctx);  in drm_atomic_get_crtc_state()
222 	state->crtc_states[index] = crtc_state;  in drm_atomic_get_crtc_state()
223 	state->crtcs[index] = crtc;  in drm_atomic_get_crtc_state()
224 	crtc_state->state = state;  in drm_atomic_get_crtc_state()
227 			 crtc->base.id, crtc_state, state);  in drm_atomic_get_crtc_state()
250 		struct drm_crtc_state *state, struct drm_property *property,  in drm_atomic_crtc_set_property()  argument
258 		state->active = val;  in drm_atomic_crtc_set_property()
260 		return crtc->funcs->atomic_set_property(crtc, state, property, val);  in drm_atomic_crtc_set_property()
275 		const struct drm_crtc_state *state,  in drm_atomic_crtc_get_property()  argument
282 		*val = state->active;  in drm_atomic_crtc_get_property()
284 		return crtc->funcs->atomic_get_property(crtc, state, property, val);  in drm_atomic_crtc_get_property()
302 		struct drm_crtc_state *state)  in drm_atomic_crtc_check()  argument
312 	if (state->active && !state->enable) {  in drm_atomic_crtc_check()
337 drm_atomic_get_plane_state(struct drm_atomic_state *state,  in drm_atomic_get_plane_state()  argument
345 	if (state->plane_states[index])  in drm_atomic_get_plane_state()
346 		return state->plane_states[index];  in drm_atomic_get_plane_state()
348 	ret = drm_modeset_lock(&plane->mutex, state->acquire_ctx);  in drm_atomic_get_plane_state()
356 	state->plane_states[index] = plane_state;  in drm_atomic_get_plane_state()
357 	state->planes[index] = plane;  in drm_atomic_get_plane_state()
358 	plane_state->state = state;  in drm_atomic_get_plane_state()
361 			 plane->base.id, plane_state, state);  in drm_atomic_get_plane_state()
366 		crtc_state = drm_atomic_get_crtc_state(state,  in drm_atomic_get_plane_state()
393 		struct drm_plane_state *state, struct drm_property *property,  in drm_atomic_plane_set_property()  argument
401 		drm_atomic_set_fb_for_plane(state, fb);  in drm_atomic_plane_set_property()
406 		return drm_atomic_set_crtc_for_plane(state, crtc);  in drm_atomic_plane_set_property()
408 		state->crtc_x = U642I64(val);  in drm_atomic_plane_set_property()
410 		state->crtc_y = U642I64(val);  in drm_atomic_plane_set_property()
412 		state->crtc_w = val;  in drm_atomic_plane_set_property()
414 		state->crtc_h = val;  in drm_atomic_plane_set_property()
416 		state->src_x = val;  in drm_atomic_plane_set_property()
418 		state->src_y = val;  in drm_atomic_plane_set_property()
420 		state->src_w = val;  in drm_atomic_plane_set_property()
422 		state->src_h = val;  in drm_atomic_plane_set_property()
424 		state->rotation = val;  in drm_atomic_plane_set_property()
426 		return plane->funcs->atomic_set_property(plane, state,  in drm_atomic_plane_set_property()
444 		const struct drm_plane_state *state,  in drm_atomic_plane_get_property()  argument
451 		*val = (state->fb) ? state->fb->base.id : 0;  in drm_atomic_plane_get_property()
453 		*val = (state->crtc) ? state->crtc->base.id : 0;  in drm_atomic_plane_get_property()
455 		*val = I642U64(state->crtc_x);  in drm_atomic_plane_get_property()
457 		*val = I642U64(state->crtc_y);  in drm_atomic_plane_get_property()
459 		*val = state->crtc_w;  in drm_atomic_plane_get_property()
461 		*val = state->crtc_h;  in drm_atomic_plane_get_property()
463 		*val = state->src_x;  in drm_atomic_plane_get_property()
465 		*val = state->src_y;  in drm_atomic_plane_get_property()
467 		*val = state->src_w;  in drm_atomic_plane_get_property()
469 		*val = state->src_h;  in drm_atomic_plane_get_property()
471 		*val = state->rotation;  in drm_atomic_plane_get_property()
473 		return plane->funcs->atomic_get_property(plane, state, property, val);  in drm_atomic_plane_get_property()
492 		struct drm_plane_state *state)  in drm_atomic_plane_check()  argument
498 	if (WARN_ON(state->crtc && !state->fb)) {  in drm_atomic_plane_check()
501 	} else if (WARN_ON(state->fb && !state->crtc)) {  in drm_atomic_plane_check()
507 	if (!state->crtc)  in drm_atomic_plane_check()
511 	if (!(plane->possible_crtcs & drm_crtc_mask(state->crtc))) {  in drm_atomic_plane_check()
517 	ret = drm_plane_check_pixel_format(plane, state->fb->pixel_format);  in drm_atomic_plane_check()
520 				 drm_get_format_name(state->fb->pixel_format));  in drm_atomic_plane_check()
525 	if (state->crtc_w > INT_MAX ||  in drm_atomic_plane_check()
526 	    state->crtc_x > INT_MAX - (int32_t) state->crtc_w ||  in drm_atomic_plane_check()
527 	    state->crtc_h > INT_MAX ||  in drm_atomic_plane_check()
528 	    state->crtc_y > INT_MAX - (int32_t) state->crtc_h) {  in drm_atomic_plane_check()
530 				 state->crtc_w, state->crtc_h,  in drm_atomic_plane_check()
531 				 state->crtc_x, state->crtc_y);  in drm_atomic_plane_check()
535 	fb_width = state->fb->width << 16;  in drm_atomic_plane_check()
536 	fb_height = state->fb->height << 16;  in drm_atomic_plane_check()
539 	if (state->src_w > fb_width ||  in drm_atomic_plane_check()
540 	    state->src_x > fb_width - state->src_w ||  in drm_atomic_plane_check()
541 	    state->src_h > fb_height ||  in drm_atomic_plane_check()
542 	    state->src_y > fb_height - state->src_h) {  in drm_atomic_plane_check()
545 				 state->src_w >> 16, ((state->src_w & 0xffff) * 15625) >> 10,  in drm_atomic_plane_check()
546 				 state->src_h >> 16, ((state->src_h & 0xffff) * 15625) >> 10,  in drm_atomic_plane_check()
547 				 state->src_x >> 16, ((state->src_x & 0xffff) * 15625) >> 10,  in drm_atomic_plane_check()
548 				 state->src_y >> 16, ((state->src_y & 0xffff) * 15625) >> 10);  in drm_atomic_plane_check()
571 drm_atomic_get_connector_state(struct drm_atomic_state *state,  in drm_atomic_get_connector_state()  argument
578 	ret = drm_modeset_lock(&config->connection_mutex, state->acquire_ctx);  in drm_atomic_get_connector_state()
594 	if (index >= state->num_connector) {  in drm_atomic_get_connector_state()
599 	if (state->connector_states[index])  in drm_atomic_get_connector_state()
600 		return state->connector_states[index];  in drm_atomic_get_connector_state()
606 	state->connector_states[index] = connector_state;  in drm_atomic_get_connector_state()
607 	state->connectors[index] = connector;  in drm_atomic_get_connector_state()
608 	connector_state->state = state;  in drm_atomic_get_connector_state()
611 			 connector->base.id, connector_state, state);  in drm_atomic_get_connector_state()
616 		crtc_state = drm_atomic_get_crtc_state(state,  in drm_atomic_get_connector_state()
643 		struct drm_connector_state *state, struct drm_property *property,  in drm_atomic_connector_set_property()  argument
651 		return drm_atomic_set_crtc_for_connector(state, crtc);  in drm_atomic_connector_set_property()
660 				state, property, val);  in drm_atomic_connector_set_property()
675 		const struct drm_connector_state *state,  in drm_atomic_connector_get_property()  argument
682 		*val = (state->crtc) ? state->crtc->base.id : 0;  in drm_atomic_connector_get_property()
687 				state, property, val);  in drm_atomic_connector_get_property()
706 				connector->state, property, val);  in drm_atomic_get_property()
713 				crtc->state, property, val);  in drm_atomic_get_property()
720 				plane->state, property, val);  in drm_atomic_get_property()
753 		crtc_state = drm_atomic_get_crtc_state(plane_state->state,  in drm_atomic_set_crtc_for_plane()
764 		crtc_state = drm_atomic_get_crtc_state(plane_state->state,  in drm_atomic_set_crtc_for_plane()
832 		crtc_state = drm_atomic_get_crtc_state(conn_state->state, crtc);  in drm_atomic_set_crtc_for_connector()
868 drm_atomic_add_affected_connectors(struct drm_atomic_state *state,  in drm_atomic_add_affected_connectors()  argument
871 	struct drm_mode_config *config = &state->dev->mode_config;  in drm_atomic_add_affected_connectors()
876 	ret = drm_modeset_lock(&config->connection_mutex, state->acquire_ctx);  in drm_atomic_add_affected_connectors()
881 			 crtc->base.id, state);  in drm_atomic_add_affected_connectors()
888 		if (connector->state->crtc != crtc)  in drm_atomic_add_affected_connectors()
891 		conn_state = drm_atomic_get_connector_state(state, connector);  in drm_atomic_add_affected_connectors()
909 drm_atomic_connectors_for_crtc(struct drm_atomic_state *state,  in drm_atomic_connectors_for_crtc()  argument
917 	for_each_connector_in_state(state, connector, conn_state, i) {  in drm_atomic_connectors_for_crtc()
923 			 state, num_connected_connectors, crtc->base.id);  in drm_atomic_connectors_for_crtc()
937 void drm_atomic_legacy_backoff(struct drm_atomic_state *state)  in drm_atomic_legacy_backoff()  argument
942 	drm_modeset_backoff(state->acquire_ctx);  in drm_atomic_legacy_backoff()
944 	ret = drm_modeset_lock(&state->dev->mode_config.connection_mutex,  in drm_atomic_legacy_backoff()
945 			       state->acquire_ctx);  in drm_atomic_legacy_backoff()
948 	ret = drm_modeset_lock_all_crtcs(state->dev,  in drm_atomic_legacy_backoff()
949 					 state->acquire_ctx);  in drm_atomic_legacy_backoff()
966 int drm_atomic_check_only(struct drm_atomic_state *state)  in drm_atomic_check_only()  argument
968 	struct drm_device *dev = state->dev;  in drm_atomic_check_only()
976 	DRM_DEBUG_ATOMIC("checking %p\n", state);  in drm_atomic_check_only()
978 	for_each_plane_in_state(state, plane, plane_state, i) {  in drm_atomic_check_only()
987 	for_each_crtc_in_state(state, crtc, crtc_state, i) {  in drm_atomic_check_only()
997 		ret = config->funcs->atomic_check(state->dev, state);  in drm_atomic_check_only()
999 	if (!state->allow_modeset) {  in drm_atomic_check_only()
1000 		for_each_crtc_in_state(state, crtc, crtc_state, i) {  in drm_atomic_check_only()
1030 int drm_atomic_commit(struct drm_atomic_state *state)  in drm_atomic_commit()  argument
1032 	struct drm_mode_config *config = &state->dev->mode_config;  in drm_atomic_commit()
1035 	ret = drm_atomic_check_only(state);  in drm_atomic_commit()
1039 	DRM_DEBUG_ATOMIC("commiting %p\n", state);  in drm_atomic_commit()
1041 	return config->funcs->atomic_commit(state->dev, state, false);  in drm_atomic_commit()
1061 int drm_atomic_async_commit(struct drm_atomic_state *state)  in drm_atomic_async_commit()  argument
1063 	struct drm_mode_config *config = &state->dev->mode_config;  in drm_atomic_async_commit()
1066 	ret = drm_atomic_check_only(state);  in drm_atomic_async_commit()
1070 	DRM_DEBUG_ATOMIC("commiting %p asynchronously\n", state);  in drm_atomic_async_commit()
1072 	return config->funcs->atomic_commit(state->dev, state, true);  in drm_atomic_async_commit()
1124 static int atomic_set_prop(struct drm_atomic_state *state,  in atomic_set_prop()  argument
1139 		connector_state = drm_atomic_get_connector_state(state, connector);  in atomic_set_prop()
1153 		crtc_state = drm_atomic_get_crtc_state(state, crtc);  in atomic_set_prop()
1167 		plane_state = drm_atomic_get_plane_state(state, plane);  in atomic_set_prop()
1195 	struct drm_atomic_state *state;  in drm_mode_atomic_ioctl()  local
1232 	state = drm_atomic_state_alloc(dev);  in drm_mode_atomic_ioctl()
1233 	if (!state)  in drm_mode_atomic_ioctl()
1236 	state->acquire_ctx = &ctx;  in drm_mode_atomic_ioctl()
1237 	state->allow_modeset = !!(arg->flags & DRM_MODE_ATOMIC_ALLOW_MODESET);  in drm_mode_atomic_ioctl()
1294 			ret = atomic_set_prop(state, obj, prop, prop_value);  in drm_mode_atomic_ioctl()
1303 		for_each_crtc_in_state(state, crtc, crtc_state, i) {  in drm_mode_atomic_ioctl()
1317 		ret = drm_atomic_check_only(state);  in drm_mode_atomic_ioctl()
1319 		drm_atomic_state_free(state);  in drm_mode_atomic_ioctl()
1321 		ret = drm_atomic_async_commit(state);  in drm_mode_atomic_ioctl()
1323 		ret = drm_atomic_commit(state);  in drm_mode_atomic_ioctl()
1333 			struct drm_framebuffer *new_fb = plane->state->fb;  in drm_mode_atomic_ioctl()
1337 			plane->crtc = plane->state->crtc;  in drm_mode_atomic_ioctl()
1357 		for_each_crtc_in_state(state, crtc, crtc_state, i) {  in drm_mode_atomic_ioctl()
1363 	drm_atomic_state_free(state);  in drm_mode_atomic_ioctl()
1371 	drm_atomic_state_clear(state);  in drm_mode_atomic_ioctl()