linux/include/drm/drm_gem_ttm_helper.h
Thomas Zimmermann 5690e48639 drm/gem-ttm-helper: Provide helper for struct drm_driver.dumb_map_offset
Provides an implementation of struct drm_driver.dumb_map_offset that
can be used by TTM-based GEM drivers.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20210408140139.27731-2-tzimmermann@suse.de
2021-04-11 20:14:45 +02:00

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C

/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef DRM_GEM_TTM_HELPER_H
#define DRM_GEM_TTM_HELPER_H
#include <linux/kernel.h>
#include <drm/drm_device.h>
#include <drm/drm_gem.h>
#include <drm/ttm/ttm_bo_api.h>
#include <drm/ttm/ttm_bo_driver.h>
struct dma_buf_map;
#define drm_gem_ttm_of_gem(gem_obj) \
container_of(gem_obj, struct ttm_buffer_object, base)
void drm_gem_ttm_print_info(struct drm_printer *p, unsigned int indent,
const struct drm_gem_object *gem);
int drm_gem_ttm_vmap(struct drm_gem_object *gem,
struct dma_buf_map *map);
void drm_gem_ttm_vunmap(struct drm_gem_object *gem,
struct dma_buf_map *map);
int drm_gem_ttm_mmap(struct drm_gem_object *gem,
struct vm_area_struct *vma);
int drm_gem_ttm_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
uint32_t handle, uint64_t *offset);
#endif