drm/radeon: Store PCI controller in struct radeon_device.hose

Moves struct drm_device.hose into struct radeon_device. The field in
struct DRM device is only for legacy drivers.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210112081035.6882-6-tzimmermann@suse.de
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index d4328ff..c6d575f 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -324,7 +324,7 @@ static int radeon_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_reso
 		 * access, as done in ttm_bo_vm_fault().
 		 */
 		mem->bus.offset = (mem->bus.offset & 0x0ffffffffUL) +
-			rdev->ddev->hose->dense_mem_base;
+			rdev->hose->dense_mem_base;
 #endif
 		break;
 	default: