drm/radeon: add PRIME support (v2)

This adds prime->fd and fd->prime support to radeon.
It passes the sg object to ttm and then populates
the gart entries using it.

Compile tested only.

v2: stub kmap + use new helpers + add reimporting

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_object.h b/drivers/gpu/drm/radeon/radeon_object.h
index befec7d12132..17fb99f177cf 100644
--- a/drivers/gpu/drm/radeon/radeon_object.h
+++ b/drivers/gpu/drm/radeon/radeon_object.h
@@ -111,9 +111,10 @@ extern int radeon_bo_wait(struct radeon_bo *bo, u32 *mem_type,
                           bool no_wait);
 
 extern int radeon_bo_create(struct radeon_device *rdev,
-                                unsigned long size, int byte_align,
-                                bool kernel, u32 domain,
-                                struct radeon_bo **bo_ptr);
+                            unsigned long size, int byte_align,
+                            bool kernel, u32 domain,
+                            struct sg_table *sg,
+                            struct radeon_bo **bo_ptr);
 extern int radeon_bo_kmap(struct radeon_bo *bo, void **ptr);
 extern void radeon_bo_kunmap(struct radeon_bo *bo);
 extern void radeon_bo_unref(struct radeon_bo **bo);