37 				  struct intel_global_state *state,  in intel_atomic_global_obj_init()  argument
42 	state->obj = obj;  in intel_atomic_global_obj_init()
44 	kref_init(&state->ref);  in intel_atomic_global_obj_init()
46 	obj->state = state;  in intel_atomic_global_obj_init()
58 		drm_WARN_ON(&dev_priv->drm, kref_read(&obj->state->ref) != 1);  in intel_atomic_global_obj_cleanup()
59 		intel_atomic_global_state_put(obj->state);  in intel_atomic_global_obj_cleanup()
84 static void assert_global_state_read_locked(struct intel_atomic_state *state)  in assert_global_state_read_locked()  argument
86 	struct drm_modeset_acquire_ctx *ctx = state->base.acquire_ctx;  in assert_global_state_read_locked()
87 	struct drm_i915_private *dev_priv = to_i915(state->base.dev);  in assert_global_state_read_locked()
95 	drm_WARN(&dev_priv->drm, 1, "Global state not read locked\n");  in assert_global_state_read_locked()
99 intel_atomic_get_global_obj_state(struct intel_atomic_state *state,  in intel_atomic_get_global_obj_state()  argument
102 	struct drm_i915_private *i915 = to_i915(state->base.dev);  in intel_atomic_get_global_obj_state()
108 	for (i = 0; i < state->num_global_objs; i++)  in intel_atomic_get_global_obj_state()
109 		if (obj == state->global_objs[i].ptr)  in intel_atomic_get_global_obj_state()
110 			return state->global_objs[i].state;  in intel_atomic_get_global_obj_state()
112 	assert_global_state_read_locked(state);  in intel_atomic_get_global_obj_state()
114 	num_objs = state->num_global_objs + 1;  in intel_atomic_get_global_obj_state()
115 	size = sizeof(*state->global_objs) * num_objs;  in intel_atomic_get_global_obj_state()
116 	arr = krealloc(state->global_objs, size, GFP_KERNEL);  in intel_atomic_get_global_obj_state()
120 	state->global_objs = arr;  in intel_atomic_get_global_obj_state()
121 	index = state->num_global_objs;  in intel_atomic_get_global_obj_state()
122 	memset(&state->global_objs[index], 0, sizeof(*state->global_objs));  in intel_atomic_get_global_obj_state()
133 	state->global_objs[index].state = obj_state;  in intel_atomic_get_global_obj_state()
134 	state->global_objs[index].old_state =  in intel_atomic_get_global_obj_state()
135 		intel_atomic_global_state_get(obj->state);  in intel_atomic_get_global_obj_state()
136 	state->global_objs[index].new_state = obj_state;  in intel_atomic_get_global_obj_state()
137 	state->global_objs[index].ptr = obj;  in intel_atomic_get_global_obj_state()
138 	obj_state->state = state;  in intel_atomic_get_global_obj_state()
140 	state->num_global_objs = num_objs;  in intel_atomic_get_global_obj_state()
142 	drm_dbg_atomic(&i915->drm, "Added new global object %p state %p to %p\n",  in intel_atomic_get_global_obj_state()
143 		       obj, obj_state, state);  in intel_atomic_get_global_obj_state()
149 intel_atomic_get_old_global_obj_state(struct intel_atomic_state *state,  in intel_atomic_get_old_global_obj_state()  argument
154 	for (i = 0; i < state->num_global_objs; i++)  in intel_atomic_get_old_global_obj_state()
155 		if (obj == state->global_objs[i].ptr)  in intel_atomic_get_old_global_obj_state()
156 			return state->global_objs[i].old_state;  in intel_atomic_get_old_global_obj_state()
162 intel_atomic_get_new_global_obj_state(struct intel_atomic_state *state,  in intel_atomic_get_new_global_obj_state()  argument
167 	for (i = 0; i < state->num_global_objs; i++)  in intel_atomic_get_new_global_obj_state()
168 		if (obj == state->global_objs[i].ptr)  in intel_atomic_get_new_global_obj_state()
169 			return state->global_objs[i].new_state;  in intel_atomic_get_new_global_obj_state()
174 void intel_atomic_swap_global_state(struct intel_atomic_state *state)  in intel_atomic_swap_global_state()  argument
176 	struct drm_i915_private *dev_priv = to_i915(state->base.dev);  in intel_atomic_swap_global_state()
181 	for_each_oldnew_global_obj_in_state(state, obj, old_obj_state,  in intel_atomic_swap_global_state()
183 		drm_WARN_ON(&dev_priv->drm, obj->state != old_obj_state);  in intel_atomic_swap_global_state()
186 		 * If the new state wasn't modified (and properly  in intel_atomic_swap_global_state()
194 		old_obj_state->state = state;  in intel_atomic_swap_global_state()
195 		new_obj_state->state = NULL;  in intel_atomic_swap_global_state()
197 		state->global_objs[i].state = old_obj_state;  in intel_atomic_swap_global_state()
199 		intel_atomic_global_state_put(obj->state);  in intel_atomic_swap_global_state()
200 		obj->state = intel_atomic_global_state_get(new_obj_state);  in intel_atomic_swap_global_state()
204 void intel_atomic_clear_global_state(struct intel_atomic_state *state)  in intel_atomic_clear_global_state()  argument
208 	for (i = 0; i < state->num_global_objs; i++) {  in intel_atomic_clear_global_state()
209 		intel_atomic_global_state_put(state->global_objs[i].old_state);  in intel_atomic_clear_global_state()
210 		intel_atomic_global_state_put(state->global_objs[i].new_state);  in intel_atomic_clear_global_state()
212 		state->global_objs[i].ptr = NULL;  in intel_atomic_clear_global_state()
213 		state->global_objs[i].state = NULL;  in intel_atomic_clear_global_state()
214 		state->global_objs[i].old_state = NULL;  in intel_atomic_clear_global_state()
215 		state->global_objs[i].new_state = NULL;  in intel_atomic_clear_global_state()
217 	state->num_global_objs = 0;  in intel_atomic_clear_global_state()
222 	struct intel_atomic_state *state = obj_state->state;  in intel_atomic_lock_global_state()  local
223 	struct drm_i915_private *dev_priv = to_i915(state->base.dev);  in intel_atomic_lock_global_state()
230 				       state->base.acquire_ctx);  in intel_atomic_lock_global_state()
242 	struct intel_atomic_state *state = obj_state->state;  in intel_atomic_serialize_global_state()  local
243 	struct drm_i915_private *dev_priv = to_i915(state->base.dev);  in intel_atomic_serialize_global_state()
249 		crtc_state = intel_atomic_get_crtc_state(&state->base, crtc);  in intel_atomic_serialize_global_state()
260 intel_atomic_global_state_is_serialized(struct intel_atomic_state *state)  in intel_atomic_global_state_is_serialized()  argument
262 	struct drm_i915_private *i915 = to_i915(state->base.dev);  in intel_atomic_global_state_is_serialized()
266 		if (!intel_atomic_get_new_crtc_state(state, crtc))  in intel_atomic_global_state_is_serialized()