drm/ttm: merge offset and base in ttm_bus_placement

This is used by TTM to communicate the physical address
which should be used with ioremap(), ioremap_wc(). We don't
need to separate the base and offset in any way here.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/389457/

1 files changed, 2 insertions, 4 deletions

diff --git a/include/drm/ttm/ttm_resource.h b/include/drm/ttm/ttm_resource.h
index 406baa8f0068..7b8a3157fbb3 100644
--- a/include/drm/ttm/ttm_resource.h
+++ b/include/drm/ttm/ttm_resource.h
@@ -148,16 +148,14 @@ struct ttm_resource_manager {
  * struct ttm_bus_placement
  *
  * @addr:		mapped virtual address
- * @base:		bus base address
+ * @offset:		physical addr
  * @is_iomem:		is this io memory ?
- * @offset:		offset from the base address
  *
  * Structure indicating the bus placement of an object.
  */
 struct ttm_bus_placement {
 	void		*addr;
-	phys_addr_t	base;
-	unsigned long	offset;
+	phys_addr_t	offset;
 	bool		is_iomem;
 };