eh? This is still used a lot.

Cc: Andres Salomon <dilinger@collabora.co.uk>
Cc: Dave Airlie <airlied@linux.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

include/drm/drmP.h

@@ -251,6 +251,8 @@ extern void drm_ut_debug_printk(unsigned int request_level,
 /** \name Internal types and structures */
 /*@{*/
 
+#define DRM_ARRAY_SIZE(x) ARRAY_SIZE(x)
+
 #define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1))
 #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x))