radeon: add radeon prime vmap support.

This is the same as the nouveau code pretty much.

Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 492654f8ee74..2e24022b389a 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -346,6 +346,9 @@ struct radeon_bo {
         /* Constant after initialization */
         struct radeon_device            *rdev;
         struct drm_gem_object           gem_base;
+
+        struct ttm_bo_kmap_obj dma_buf_vmap;
+        int vmapping_count;
 };
 #define gem_to_radeon_bo(gobj) container_of((gobj), struct radeon_bo, gem_base)