Remove an unused parameter

Change-Id: I538948486e31a06e51156ce6f484c227e5c25249
diff --git a/av1/encoder/rd.c b/av1/encoder/rd.c
index 0d08e47..69f8a28 100644
--- a/av1/encoder/rd.c
+++ b/av1/encoder/rd.c
@@ -460,13 +460,11 @@
   }
 }
 
-void av1_set_mvcost(MACROBLOCK *x, MV_REFERENCE_FRAME ref_frame, int ref,
-                    int ref_mv_idx) {
+void av1_set_mvcost(MACROBLOCK *x, int ref, int ref_mv_idx) {
   MB_MODE_INFO_EXT *mbmi_ext = x->mbmi_ext;
   int8_t rf_type = av1_ref_frame_type(x->e_mbd.mi[0]->mbmi.ref_frame);
   int nmv_ctx = av1_nmv_ctx(mbmi_ext->ref_mv_count[rf_type],
                             mbmi_ext->ref_mv_stack[rf_type], ref, ref_mv_idx);
-  (void)ref_frame;
   x->mvcost = x->mv_cost_stack[nmv_ctx];
   x->nmvjointcost = x->nmv_vec_cost[nmv_ctx];
 }
diff --git a/av1/encoder/rd.h b/av1/encoder/rd.h
index 36f7f6d..969252e 100644
--- a/av1/encoder/rd.h
+++ b/av1/encoder/rd.h
@@ -418,8 +418,7 @@
 
 void av1_init_me_luts(void);
 
-void av1_set_mvcost(MACROBLOCK *x, MV_REFERENCE_FRAME ref_frame, int ref,
-                    int ref_mv_idx);
+void av1_set_mvcost(MACROBLOCK *x, int ref, int ref_mv_idx);
 
 void av1_get_entropy_contexts(BLOCK_SIZE bsize, TX_SIZE tx_size,
                               const struct macroblockd_plane *pd,
diff --git a/av1/encoder/rdopt.c b/av1/encoder/rdopt.c
index 7ce55fb..0869a07 100644
--- a/av1/encoder/rdopt.c
+++ b/av1/encoder/rdopt.c
@@ -5993,7 +5993,7 @@
     best_mv->row >>= 3;
 
     av1_set_mvcost(
-        x, refs[id], id,
+        x, id,
         mbmi->ref_mv_idx + (have_nearmv_in_inter_mode(mbmi->mode) ? 1 : 0));
 
     // Small-range full-pixel motion search.
@@ -6054,7 +6054,7 @@
     }
 
     av1_set_mvcost(
-        x, refs[ref], ref,
+        x, ref,
         mbmi->ref_mv_idx + (have_nearmv_in_inter_mode(mbmi->mode) ? 1 : 0));
 
     *rate_mv += av1_mv_bit_cost(&frame_mv[refs[ref]].as_mv,
@@ -6354,7 +6354,7 @@
   }
 
   av1_set_mvcost(
-      x, ref, ref_idx,
+      x, ref_idx,
       mbmi->ref_mv_idx + (have_nearmv_in_inter_mode(mbmi->mode) ? 1 : 0));
 
   // Work out the size of the first step in the mv step search.
@@ -6682,7 +6682,7 @@
   best_mv->row >>= 3;
 
   av1_set_mvcost(
-      x, ref, ref_idx,
+      x, ref_idx,
       mbmi->ref_mv_idx + (have_nearmv_in_inter_mode(mbmi->mode) ? 1 : 0));
 
   // Small-range full-pixel motion search.
@@ -6735,7 +6735,7 @@
   }
 
   av1_set_mvcost(
-      x, ref, ref_idx,
+      x, ref_idx,
       mbmi->ref_mv_idx + (have_nearmv_in_inter_mode(mbmi->mode) ? 1 : 0));
   *rate_mv += av1_mv_bit_cost(this_mv, &ref_mv.as_mv, x->nmvjointcost,
                               x->mvcost, MV_COST_WEIGHT);
@@ -7273,7 +7273,7 @@
       } else {
         *rate_mv = 0;
         for (i = 0; i < 2; ++i) {
-          av1_set_mvcost(x, refs[i], i, mbmi->ref_mv_idx);
+          av1_set_mvcost(x, i, mbmi->ref_mv_idx);
           *rate_mv += av1_mv_bit_cost(
               &frame_mv[refs[i]].as_mv, &mbmi_ext->ref_mvs[refs[i]][0].as_mv,
               x->nmvjointcost, x->mvcost, MV_COST_WEIGHT);
@@ -7287,7 +7287,7 @@
         compound_single_motion_search_interinter(
             cpi, x, bsize, frame_mv, mi_row, mi_col, NULL, 0, rate_mv, 0, 1);
       } else {
-        av1_set_mvcost(x, refs[1], 1,
+        av1_set_mvcost(x, 1,
                        mbmi->ref_mv_idx + (this_mode == NEAR_NEWMV ? 1 : 0));
         *rate_mv = av1_mv_bit_cost(&frame_mv[refs[1]].as_mv,
                                    &mbmi_ext->ref_mvs[refs[1]][0].as_mv,
@@ -7302,7 +7302,7 @@
         compound_single_motion_search_interinter(
             cpi, x, bsize, frame_mv, mi_row, mi_col, NULL, 0, rate_mv, 0, 0);
       } else {
-        av1_set_mvcost(x, refs[0], 0,
+        av1_set_mvcost(x, 0,
                        mbmi->ref_mv_idx + (this_mode == NEW_NEARMV ? 1 : 0));
         *rate_mv = av1_mv_bit_cost(&frame_mv[refs[0]].as_mv,
                                    &mbmi_ext->ref_mvs[refs[0]][0].as_mv,