i915/gem/i915_gem_object.c

26 #include <linux/sched/mm.h>
107 	INIT_LIST_HEAD(&obj->mm.link);
125 	obj->mm.madv = I915_MADV_WILLNEED;
126 	INIT_RADIX_TREE(&obj->mm.get_page.radix, GFP_KERNEL | __GFP_NOWARN);
127 	mutex_init(&obj->mm.get_page.lock);
128 	INIT_RADIX_TREE(&obj->mm.get_dma_page.radix, GFP_KERNEL | __GFP_NOWARN);
129 	mutex_init(&obj->mm.get_dma_page.lock);
143 	mutex_destroy(&obj->mm.get_page.lock);
144 	mutex_destroy(&obj->mm.get_dma_page.lock);
301 	if (obj->mm.n_placements > 1)
302 		kfree(obj->mm.placements);
306 	GEM_BUG_ON(!atomic_read(&i915->mm.free_count));
307 	atomic_dec(&i915->mm.free_count);
337  * This function cleans up usage of the object mm.pages member. It
365 	atomic_set(&obj->mm.pages_pin_count, 0);
429 	struct llist_node *freed = llist_del_all(&i915->mm.free_list);
438 		container_of(work, struct drm_i915_private, mm.free_work);
458 	atomic_inc(&i915->mm.free_count);
471 	if (llist_add(&obj->freed, &i915->mm.free_list))
472 		queue_work(i915->wq, &i915->mm.free_work);
522 	src_map = io_mapping_map_wc(&obj->mm.region->iomap,
523 				    dma - obj->mm.region->region.start,
590 	int pin_count = atomic_read(&obj->mm.pages_pin_count);
620 	struct intel_memory_region *mr = READ_ONCE(obj->mm.region);
625 	return obj->mm.n_placements > 1;
687 	unsigned int num_allowed = obj->mm.n_placements;
692 	GEM_BUG_ON(obj->mm.madv != I915_MADV_WILLNEED);
694 	mr = i915->mm.regions[id];
701 	if (obj->mm.region == mr)
717 		if (mr == obj->mm.placements[i])
792 	GEM_BUG_ON(obj->mm.madv != I915_MADV_WILLNEED);
795 	mr = i915->mm.regions[id];
802 		if (GEM_WARN_ON(obj->mm.region != mr))
823 	if (!obj->mm.n_placements) {
836 	for (i = 0; i < obj->mm.n_placements; i++) {
837 		if (obj->mm.placements[i]->type == type)
864 	for (i = 0; i < obj->mm.n_placements; i++) {
866 		if (obj->mm.placements[i]->type == INTEL_MEMORY_SYSTEM)
869 		    obj->mm.placements[i]->type == INTEL_MEMORY_LOCAL)
878 	INIT_WORK(&i915->mm.free_work, __i915_gem_free_work);
964 	return obj->mm.unknown_state;