root/drivers/gpu/drm/armada/armada_gem.h

INCLUDED FROM

DEFINITIONS

1. armada_gem_object_lookup

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (C) 2012 Russell King
   4  */
   5 #ifndef ARMADA_GEM_H
   6 #define ARMADA_GEM_H
   7 
   8 #include <drm/drm_gem.h>
   9 
  10 /* GEM */
  11 struct armada_gem_object {
  12         struct drm_gem_object   obj;
  13         void                    *addr;
  14         phys_addr_t             phys_addr;
  15         resource_size_t         dev_addr;
  16         bool                    mapped;
  17         struct drm_mm_node      *linear;        /* for linear backed */
  18         struct page             *page;          /* for page backed */
  19         struct sg_table         *sgt;           /* for imported */
  20         void                    (*update)(void *);
  21         void                    *update_data;
  22 };
  23 
  24 extern const struct vm_operations_struct armada_gem_vm_ops;
  25 
  26 #define drm_to_armada_gem(o) container_of(o, struct armada_gem_object, obj)
  27 
  28 void armada_gem_free_object(struct drm_gem_object *);
  29 int armada_gem_linear_back(struct drm_device *, struct armada_gem_object *);
  30 void *armada_gem_map_object(struct drm_device *, struct armada_gem_object *);
  31 struct armada_gem_object *armada_gem_alloc_private_object(struct drm_device *,
  32         size_t);
  33 int armada_gem_dumb_create(struct drm_file *, struct drm_device *,
  34         struct drm_mode_create_dumb *);
  35 struct dma_buf *armada_gem_prime_export(struct drm_gem_object *obj, int flags);
  36 struct drm_gem_object *armada_gem_prime_import(struct drm_device *,
  37         struct dma_buf *);
  38 int armada_gem_map_import(struct armada_gem_object *);
  39 
  40 static inline struct armada_gem_object *armada_gem_object_lookup(
  41         struct drm_file *dfile, unsigned handle)
  42 {
  43         struct drm_gem_object *obj = drm_gem_object_lookup(dfile, handle);
  44 
  45         return obj ? drm_to_armada_gem(obj) : NULL;
  46 }
  47 #endif