intel/eu: Use descriptor constructors for dataport untyped surface messages.

v2: Use SET_BITS macro instead of left shift (Ken).

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

src/intel/compiler/brw_eu.h

@@ -350,6 +350,20 @@ brw_dp_write_desc(const struct gen_device_info *devinfo,
               SET_BITS(send_commit_msg, 15, 15));
 }
 
+/**
+ * Construct a message descriptor immediate with the specified dataport
+ * surface function controls.
+ */
+static inline uint32_t
+brw_dp_surface_desc(const struct gen_device_info *devinfo,
+                    unsigned msg_type,
+                    unsigned msg_control)
+{
+   assert(devinfo->gen >= 7);
+   return (SET_BITS(msg_control, 13, 8) |
+           SET_BITS(msg_type, 17, 14));
+}
+
 /**
  * Construct a message descriptor immediate with the specified pixel
  * interpolator function controls.