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drm/prime: Introduce drm_gem_prime_import_dev

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The existing drm_gem_prime_import function uses the underlying
struct device of a drm_device for attaching to a dma_buf. Some drivers
(notably vgem) may not have an underlying device structure. Offer
an alternate function to attach using any available device structure.

Signed-off-by: Laura Abbott <labbott@redhat.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1493923548-20878-3-git-send-email-labbott@redhat.com
This commit is contained in:
Laura Abbott
2017-05-04 11:45:47 -07:00
committed by Daniel Vetter
parent e2aff44868
commit 7e491583df
2 changed files with 29 additions and 6 deletions
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5
include/drm/drm_prime.h
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@@ -65,6 +65,11 @@ int drm_gem_prime_handle_to_fd(struct drm_device *dev,
int *prime_fd);
struct drm_gem_object *drm_gem_prime_import(struct drm_device *dev,
struct dma_buf *dma_buf);
struct drm_gem_object *drm_gem_prime_import_dev(struct drm_device *dev,
struct dma_buf *dma_buf,
struct device *attach_dev);
int drm_gem_prime_fd_to_handle(struct drm_device *dev,
struct drm_file *file_priv, int prime_fd, uint32_t *handle);
struct dma_buf *drm_gem_dmabuf_export(struct drm_device *dev,