1 // SPDX-License-Identifier: MIT
3 * Copyright © 2019 Intel Corporation
6 #include "intel_memory_region.h"
7 #include "gem/i915_gem_region.h"
8 #include "gem/i915_gem_lmem.h"
11 const struct drm_i915_gem_object_ops i915_gem_lmem_obj_ops = {
12 .name = "i915_gem_object_lmem",
13 .flags = I915_GEM_OBJECT_HAS_IOMEM,
15 .get_pages = i915_gem_object_get_pages_buddy,
16 .put_pages = i915_gem_object_put_pages_buddy,
17 .release = i915_gem_object_release_memory_region,
20 bool i915_gem_object_is_lmem(struct drm_i915_gem_object *obj)
22 struct intel_memory_region *mr = obj->mm.region;
24 return mr && (mr->type == INTEL_MEMORY_LOCAL ||
25 mr->type == INTEL_MEMORY_STOLEN_LOCAL);
28 struct drm_i915_gem_object *
29 i915_gem_object_create_lmem(struct drm_i915_private *i915,
33 return i915_gem_object_create_region(i915->mm.regions[INTEL_REGION_LMEM],
37 int __i915_gem_lmem_object_init(struct intel_memory_region *mem,
38 struct drm_i915_gem_object *obj,
42 static struct lock_class_key lock_class;
43 struct drm_i915_private *i915 = mem->i915;
45 drm_gem_private_object_init(&i915->drm, &obj->base, size);
46 i915_gem_object_init(obj, &i915_gem_lmem_obj_ops, &lock_class, flags);
48 obj->read_domains = I915_GEM_DOMAIN_WC | I915_GEM_DOMAIN_GTT;
50 i915_gem_object_set_cache_coherency(obj, I915_CACHE_NONE);
52 i915_gem_object_init_memory_region(obj, mem);