diff --git a/src/mesa/drivers/dri/i965/brw_eu.h b/src/mesa/drivers/dri/i965/brw_eu.h
index 686b42be11e..08ad63ade9f 100644
--- a/src/mesa/drivers/dri/i965/brw_eu.h
+++ b/src/mesa/drivers/dri/i965/brw_eu.h
@@ -204,6 +204,14 @@ void brw_set_sampler_message(struct brw_codegen *p,
                              unsigned simd_mode,
                              unsigned return_format);
 
+void brw_set_message_descriptor(struct brw_codegen *p,
+                                brw_inst *inst,
+                                enum brw_message_target sfid,
+                                unsigned msg_length,
+                                unsigned response_length,
+                                bool header_present,
+                                bool end_of_thread);
+
 void brw_set_dp_read_message(struct brw_codegen *p,
 			     brw_inst *insn,
 			     unsigned binding_table_index,
diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c
index 25064c0eb87..5fb96626649 100644
--- a/src/mesa/drivers/dri/i965/brw_eu_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c
@@ -534,7 +534,7 @@ brw_set_src1(struct brw_codegen *p, brw_inst *inst, struct brw_reg reg)
  *       \b before filling out any message-specific data.  Callers can
  *       choose not to fill in irrelevant bits; they will be zero.
  */
-static void
+void
 brw_set_message_descriptor(struct brw_codegen *p,
 			   brw_inst *inst,
 			   enum brw_message_target sfid,