drm: fix warning on alpha
From: Andrew Morton <akpm@osdl.org>
On alpha:
drivers/char/drm/via_dmablit.h:44: error: field `direction' has incomplete type
Cc: Dave Airlie <airlied@linux.ie>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/via_dmablit.h b/drivers/char/drm/via_dmablit.h
index 6486391..f4036cd 100644
--- a/drivers/char/drm/via_dmablit.h
+++ b/drivers/char/drm/via_dmablit.h
@@ -30,6 +30,8 @@
#ifndef _VIA_DMABLIT_H
#define _VIA_DMABLIT_H
+#include <linux/dma-mapping.h>
+
#define VIA_NUM_BLIT_ENGINES 2
#define VIA_NUM_BLIT_SLOTS 8