drivers/gpu/drm/i915/gem/i915_gem_stolen.h

   1 /* SPDX-License-Identifier: MIT */
   2 /*
   3  * Copyright © 2019 Intel Corporation
   4  */
   5
   6 #ifndef __I915_GEM_STOLEN_H__
   7 #define __I915_GEM_STOLEN_H__
   8
   9 #include <linux/types.h>
  10
  11 struct drm_i915_private;
  12 struct drm_mm_node;
  13 struct drm_i915_gem_object;
  14
  15 int i915_gem_stolen_insert_node(struct drm_i915_private *dev_priv,
  16                                 struct drm_mm_node *node, u64 size,
  17                                 unsigned alignment);
  18 int i915_gem_stolen_insert_node_in_range(struct drm_i915_private *dev_priv,
  19                                          struct drm_mm_node *node, u64 size,
  20                                          unsigned alignment, u64 start,
  21                                          u64 end);
  22 void i915_gem_stolen_remove_node(struct drm_i915_private *dev_priv,
  23                                  struct drm_mm_node *node);
  24 struct intel_memory_region *i915_gem_stolen_setup(struct drm_i915_private *i915);
  25 struct drm_i915_gem_object *
  26 i915_gem_object_create_stolen(struct drm_i915_private *dev_priv,
  27                               resource_size_t size);
  28 struct drm_i915_gem_object *
  29 i915_gem_object_create_stolen_for_preallocated(struct drm_i915_private *dev_priv,
  30                                                resource_size_t stolen_offset,
  31                                                resource_size_t size);
  32
  33 bool i915_gem_object_is_stolen(const struct drm_i915_gem_object *obj);
  34
  35 #define I915_GEM_STOLEN_BIAS SZ_128K
  36
  37 #endif /* __I915_GEM_STOLEN_H__ */