LXR linux/drivers/gpu/drm/panfrost/panfrost

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/* Copyright 2019 Linaro, Ltd, Rob Herring <robh@kernel.org> */
   3
   4#ifndef __PANFROST_GEM_H__
   5#define __PANFROST_GEM_H__
   6
   7#include <drm/drm_gem_shmem_helper.h>
   8#include <drm/drm_mm.h>
   9
  10struct panfrost_mmu;
  11
  12struct panfrost_gem_object {
  13        struct drm_gem_shmem_object base;
  14        struct sg_table *sgts;
  15
  16        struct panfrost_mmu *mmu;
  17        struct drm_mm_node node;
  18        bool is_mapped          :1;
  19        bool noexec             :1;
  20        bool is_heap            :1;
  21};
  22
  23static inline
  24struct  panfrost_gem_object *to_panfrost_bo(struct drm_gem_object *obj)
  25{
  26        return container_of(to_drm_gem_shmem_obj(obj), struct panfrost_gem_object, base);
  27}
  28
  29static inline
  30struct  panfrost_gem_object *drm_mm_node_to_panfrost_bo(struct drm_mm_node *node)
  31{
  32        return container_of(node, struct panfrost_gem_object, node);
  33}
  34
  35struct drm_gem_object *panfrost_gem_create_object(struct drm_device *dev, size_t size);
  36
  37struct drm_gem_object *
  38panfrost_gem_prime_import_sg_table(struct drm_device *dev,
  39                                   struct dma_buf_attachment *attach,
  40                                   struct sg_table *sgt);
  41
  42struct panfrost_gem_object *
  43panfrost_gem_create_with_handle(struct drm_file *file_priv,
  44                                struct drm_device *dev, size_t size,
  45                                u32 flags,
  46                                uint32_t *handle);
  47
  48void panfrost_gem_shrinker_init(struct drm_device *dev);
  49void panfrost_gem_shrinker_cleanup(struct drm_device *dev);
  50
  51#endif /* __PANFROST_GEM_H__ */
  52