drm/nouveau: use prime helpers
Simplify the Nouveau prime implementation by using the default behavior provided by drm_gem_prime_import and drm_gem_prime_export. v2: Rename functions to nouveau_gem_prime_get_sg_table and nouveau_gem_prime_import_sg_table. Signed-off-by: Aaron Plattner <aplattner@nvidia.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: David Airlie <airlied@linux.ie> Signed-off-by: Dave Airlie <airlied@redhat.com>
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@@ -35,9 +35,11 @@ extern int nouveau_gem_ioctl_cpu_fini(struct drm_device *, void *,
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extern int nouveau_gem_ioctl_info(struct drm_device *, void *,
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struct drm_file *);
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extern struct dma_buf *nouveau_gem_prime_export(struct drm_device *dev,
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struct drm_gem_object *obj, int flags);
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extern struct drm_gem_object *nouveau_gem_prime_import(struct drm_device *dev,
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struct dma_buf *dma_buf);
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extern int nouveau_gem_prime_pin(struct drm_gem_object *);
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extern struct sg_table *nouveau_gem_prime_get_sg_table(struct drm_gem_object *);
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extern struct drm_gem_object *nouveau_gem_prime_import_sg_table(
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struct drm_device *, size_t size, struct sg_table *);
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extern void *nouveau_gem_prime_vmap(struct drm_gem_object *);
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extern void nouveau_gem_prime_vunmap(struct drm_gem_object *, void *);
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#endif
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