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| author | Dave Airlie <airlied@redhat.com> | 2012-05-18 15:40:33 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-05-23 10:45:57 +0100 |
| commit | 51ab7ba2673758561074184795bba5bac780a038 (patch) | |
| tree | 698c399d22524b5ec018af82c89d6c5c8ff422a3 /include/drm | |
| parent | 4d93914ae3db4a897ead4b1e33eca7cdfff4c6f7 (diff) | |
| download | linux-51ab7ba2673758561074184795bba5bac780a038.tar.gz linux-51ab7ba2673758561074184795bba5bac780a038.tar.bz2 linux-51ab7ba2673758561074184795bba5bac780a038.zip | |
drm/prime: introduce sg->pages/addr arrays helper
the ttm drivers need this currently, in order to get fault handling
working and efficient.
It also allows addrs to be NULL for devices like udl.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/drmP.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 15d91798dd31..31ad880ca2ef 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -1558,6 +1558,8 @@ extern int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data, extern int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, struct page **pages, + dma_addr_t *addrs, int max_pages); extern struct sg_table *drm_prime_pages_to_sg(struct page **pages, int nr_pages); extern void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg); |