41 lines
873 B
C
41 lines
873 B
C
/* Public domain. */
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#include <sys/types.h>
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#include <sys/param.h>
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#include <uvm/uvm.h>
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#include <linux/kernel.h>
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#include <linux/iosys-map.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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int
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drm_gem_ttm_mmap(struct drm_gem_object *obj,
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vm_prot_t accessprot, voff_t off, vsize_t size)
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{
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struct ttm_buffer_object *tbo =
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container_of(obj, struct ttm_buffer_object, base);
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int r = ttm_bo_mmap_obj(tbo);
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if (r >= 0)
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drm_gem_object_put(obj);
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return r;
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}
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int
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drm_gem_ttm_vmap(struct drm_gem_object *obj, struct iosys_map *ism)
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{
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struct ttm_buffer_object *tbo =
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container_of(obj, struct ttm_buffer_object, base);
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return ttm_bo_vmap(tbo, ism);
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}
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void
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drm_gem_ttm_vunmap(struct drm_gem_object *obj, struct iosys_map *ism)
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{
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struct ttm_buffer_object *tbo =
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container_of(obj, struct ttm_buffer_object, base);
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ttm_bo_vunmap(tbo, ism);
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}
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