drm/i915/i915_gem_gtt.c

72  * i915_gem_gtt_reserve - reserve a node in an address_space (GTT)
75  * @node: the &struct drm_mm_node (typically i915_vma.mode)
79  *          must be #I915_GTT_MIN_ALIGNMENT aligned, and the node
81  * @color: color to apply to node, if this node is not from a VMA,
85  * i915_gem_gtt_reserve() tries to insert the @node at the exact @offset inside
86  * the address space (using @size and @color). If the @node does not fit, it
91  * evicting active overlapping objects, and any overlapping node that is pinned
99 			 struct drm_mm_node *node,
110 	GEM_BUG_ON(drm_mm_node_allocated(node));
112 	node->size = size;
113 	node->start = offset;
114 	node->color = color;
116 	err = drm_mm_reserve_node(&vm->mm, node);
123 	err = i915_gem_evict_for_node(vm, ww, node, flags);
125 		err = drm_mm_reserve_node(&vm->mm, node);
156  * i915_gem_gtt_insert - insert a node into an address_space (GTT)
159  * @node: the &struct drm_mm_node (typically i915_vma.node)
165  * @color: color to apply to node
173  * is can insert the node. The hole address is aligned to @alignment and
176  * will be inserted between the two nodes (or the node evicted). If no
181  * rebound before any future use). Any node that is currently pinned cannot
182  * be evicted (see i915_vma_pin()). Similar if the node's VMA is currently
183  * active and #PIN_NONBLOCK is specified, that node is also skipped when
192 			struct drm_mm_node *node,
210 	GEM_BUG_ON(drm_mm_node_allocated(node));
234 	err = drm_mm_insert_node_in_range(&vm->mm, node,
241 		err = drm_mm_insert_node_in_range(&vm->mm, node,
277 	err = i915_gem_gtt_reserve(vm, ww, node, size, offset, color, flags);
290 	return drm_mm_insert_node_in_range(&vm->mm, node,