drm/nvc0-/gr: remove some more of the hardcoded register writes

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/core/engine/graph/ctxnvc0.c

@@ -929,11 +929,13 @@ nvc0_grctx_generate_tpcid(struct nvc0_graph_priv *priv)
 void
 nvc0_grctx_generate_r406028(struct nvc0_graph_priv *priv)
 {
-	u32 tmp = 0, i;
+	u32 tmp[GPC_MAX / 8] = {}, i = 0;
 	for (i = 0; i < priv->gpc_nr; i++)
-		tmp |= priv->tpc_nr[i] << (i * 4);
-	nv_wr32(priv, 0x406028, tmp);
-	nv_wr32(priv, 0x405870, tmp);
+		tmp[i / 8] |= priv->tpc_nr[i] << ((i % 8) * 4);
+	for (i = 0; i < 4; i++) {
+		nv_wr32(priv, 0x406028 + (i * 4), tmp[i]);
+		nv_wr32(priv, 0x405870 + (i * 4), tmp[i]);
+	}
 }
 
 void
@@ -1069,14 +1071,6 @@ nvc0_grctx_generate_main(struct nvc0_graph_priv *priv, struct nvc0_grctx *info)
 
 	nvc0_grctx_generate_tpcid(priv);
 	nvc0_grctx_generate_r406028(priv);
-
-	nv_wr32(priv, 0x40602c, 0x00000000);
-	nv_wr32(priv, 0x405874, 0x00000000);
-	nv_wr32(priv, 0x406030, 0x00000000);
-	nv_wr32(priv, 0x405878, 0x00000000);
-	nv_wr32(priv, 0x406034, 0x00000000);
-	nv_wr32(priv, 0x40587c, 0x00000000);
-
 	nvc0_grctx_generate_r4060a8(priv);
 	nvc0_grctx_generate_r418bb8(priv);
 	nvc0_grctx_generate_r406800(priv);

drivers/gpu/drm/nouveau/core/engine/graph/ctxnvd7.c

@@ -231,14 +231,6 @@ nvd7_grctx_generate_main(struct nvc0_graph_priv *priv, struct nvc0_grctx *info)
 
 	nvc0_grctx_generate_tpcid(priv);
 	nvc0_grctx_generate_r406028(priv);
-
-	nv_wr32(priv, 0x40602c, 0x00000000);
-	nv_wr32(priv, 0x405874, 0x00000000);
-	nv_wr32(priv, 0x406030, 0x00000000);
-	nv_wr32(priv, 0x405878, 0x00000000);
-	nv_wr32(priv, 0x406034, 0x00000000);
-	nv_wr32(priv, 0x40587c, 0x00000000);
-
 	nvc0_grctx_generate_r4060a8(priv);
 	nve4_grctx_generate_r418bb8(priv);
 	nvc0_grctx_generate_r406800(priv);

drivers/gpu/drm/nouveau/core/engine/graph/ctxnve4.c

@@ -937,14 +937,6 @@ nve4_grctx_generate_main(struct nvc0_graph_priv *priv, struct nvc0_grctx *info)
 
 	nvc0_grctx_generate_tpcid(priv);
 	nvc0_grctx_generate_r406028(priv);
-
-	nv_wr32(priv, 0x40602c, 0x00000000);
-	nv_wr32(priv, 0x405874, 0x00000000);
-	nv_wr32(priv, 0x406030, 0x00000000);
-	nv_wr32(priv, 0x405878, 0x00000000);
-	nv_wr32(priv, 0x406034, 0x00000000);
-	nv_wr32(priv, 0x40587c, 0x00000000);
-
 	nve4_grctx_generate_r418bb8(priv);
 	nvc0_grctx_generate_r406800(priv);