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5690e48639
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
31 lines
861 B
C
31 lines
861 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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#ifndef DRM_GEM_TTM_HELPER_H
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#define DRM_GEM_TTM_HELPER_H
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#include <linux/kernel.h>
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#include <drm/drm_device.h>
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#include <drm/drm_gem.h>
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#include <drm/ttm/ttm_bo_api.h>
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#include <drm/ttm/ttm_bo_driver.h>
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struct dma_buf_map;
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#define drm_gem_ttm_of_gem(gem_obj) \
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container_of(gem_obj, struct ttm_buffer_object, base)
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void drm_gem_ttm_print_info(struct drm_printer *p, unsigned int indent,
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const struct drm_gem_object *gem);
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int drm_gem_ttm_vmap(struct drm_gem_object *gem,
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struct dma_buf_map *map);
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void drm_gem_ttm_vunmap(struct drm_gem_object *gem,
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struct dma_buf_map *map);
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int drm_gem_ttm_mmap(struct drm_gem_object *gem,
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struct vm_area_struct *vma);
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int drm_gem_ttm_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
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uint32_t handle, uint64_t *offset);
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#endif
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