linux/drivers/gpu/drm/panfrost/panfrost_gem.h

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright 2019 Linaro, Ltd, Rob Herring <[email protected]> */

#ifndef __PANFROST_GEM_H__
#define __PANFROST_GEM_H__

#include <drm/drm_gem_shmem_helper.h>
#include <drm/drm_mm.h>

struct panfrost_mmu;

struct panfrost_gem_object { … };

struct panfrost_gem_mapping { … };

static inline
struct  panfrost_gem_object *to_panfrost_bo(struct drm_gem_object *obj)
{ … }

static inline struct panfrost_gem_mapping *
drm_mm_node_to_panfrost_mapping(struct drm_mm_node *node)
{ … }

struct drm_gem_object *panfrost_gem_create_object(struct drm_device *dev, size_t size);

struct drm_gem_object *
panfrost_gem_prime_import_sg_table(struct drm_device *dev,
				   struct dma_buf_attachment *attach,
				   struct sg_table *sgt);

struct panfrost_gem_object *
panfrost_gem_create(struct drm_device *dev, size_t size, u32 flags);

int panfrost_gem_open(struct drm_gem_object *obj, struct drm_file *file_priv);
void panfrost_gem_close(struct drm_gem_object *obj,
			struct drm_file *file_priv);

struct panfrost_gem_mapping *
panfrost_gem_mapping_get(struct panfrost_gem_object *bo,
			 struct panfrost_file_priv *priv);
void panfrost_gem_mapping_put(struct panfrost_gem_mapping *mapping);
void panfrost_gem_teardown_mappings_locked(struct panfrost_gem_object *bo);

int panfrost_gem_shrinker_init(struct drm_device *dev);
void panfrost_gem_shrinker_cleanup(struct drm_device *dev);

#endif /* __PANFROST_GEM_H__ */