// SPDX-License-Identifier: MIT /* * Copyright © 2019 Intel Corporation */ #include "intel_memory_region.h" #include "gem/i915_gem_region.h" #include "gem/i915_gem_lmem.h" #include "i915_drv.h" const struct drm_i915_gem_object_ops i915_gem_lmem_obj_ops = { .flags = I915_GEM_OBJECT_HAS_IOMEM, .get_pages = i915_gem_object_get_pages_buddy, .put_pages = i915_gem_object_put_pages_buddy, .release = i915_gem_object_release_memory_region, }; bool i915_gem_object_is_lmem(struct drm_i915_gem_object *obj) { return obj->ops == &i915_gem_lmem_obj_ops; } struct drm_i915_gem_object * i915_gem_object_create_lmem(struct drm_i915_private *i915, resource_size_t size, unsigned int flags) { return i915_gem_object_create_region(i915->mm.regions[INTEL_REGION_LMEM], size, flags); } struct drm_i915_gem_object * __i915_gem_lmem_object_create(struct intel_memory_region *mem, resource_size_t size, unsigned int flags) { static struct lock_class_key lock_class; struct drm_i915_private *i915 = mem->i915; struct drm_i915_gem_object *obj; obj = i915_gem_object_alloc(); if (!obj) return ERR_PTR(-ENOMEM); drm_gem_private_object_init(&i915->drm, &obj->base, size); i915_gem_object_init(obj, &i915_gem_lmem_obj_ops, &lock_class); obj->read_domains = I915_GEM_DOMAIN_WC | I915_GEM_DOMAIN_GTT; i915_gem_object_set_cache_coherency(obj, I915_CACHE_NONE); i915_gem_object_init_memory_region(obj, mem, flags); return obj; }