drm/nvc0-/gr: factor out yet more unknown magic into versioned functions

NVC1/NVD9 are the only chipsets that should have anything different
happen on them after this.  We previously weren't doing these
register modifications, and NVIDIA do.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

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

@@ -900,6 +900,11 @@ nvc0_grctx_generate_mods(struct nvc0_graph_priv *priv, struct nvc0_grctx *info)
 	}
 }
 
+void
+nvc0_grctx_generate_unkn(struct nvc0_graph_priv *priv)
+{
+}
+
 void
 nvc0_grctx_generate_tpcid(struct nvc0_graph_priv *priv)
 {
@@ -1060,6 +1065,7 @@ nvc0_grctx_generate_main(struct nvc0_graph_priv *priv, struct nvc0_grctx *info)
 	nv_wr32(priv, 0x404154, 0x00000000);
 
 	oclass->mods(priv, info);
+	oclass->unkn(priv);
 
 	nvc0_grctx_generate_tpcid(priv);
 	nvc0_grctx_generate_r406028(priv);
@@ -1235,6 +1241,7 @@ nvc0_grctx_oclass = &(struct nvc0_grctx_oclass) {
 	},
 	.main = nvc0_grctx_generate_main,
 	.mods = nvc0_grctx_generate_mods,
+	.unkn = nvc0_grctx_generate_unkn,
 	.hub  = nvc0_grctx_init_hub,
 	.gpc  = nvc0_grctx_init_gpc,
 	.icmd = nvc0_grctx_init_icmd,

drivers/gpu/drm/nouveau/core/engine/graph/ctxnvc1.c

@@ -756,6 +756,17 @@ nvc1_grctx_generate_mods(struct nvc0_graph_priv *priv, struct nvc0_grctx *info)
 	}
 }
 
+void
+nvc1_grctx_generate_unkn(struct nvc0_graph_priv *priv)
+{
+	nv_mask(priv, 0x418c6c, 0x00000001, 0x00000001);
+	nv_mask(priv, 0x41980c, 0x00000010, 0x00000010);
+	nv_mask(priv, 0x419814, 0x00000004, 0x00000004);
+	nv_mask(priv, 0x4064c0, 0x80000000, 0x80000000);
+	nv_mask(priv, 0x405800, 0x08000000, 0x08000000);
+	nv_mask(priv, 0x419c00, 0x00000008, 0x00000008);
+}
+
 static struct nvc0_graph_init *
 nvc1_grctx_init_hub[] = {
 	nvc0_grctx_init_base,
@@ -804,6 +815,7 @@ nvc1_grctx_oclass = &(struct nvc0_grctx_oclass) {
 	},
 	.main = nvc0_grctx_generate_main,
 	.mods = nvc1_grctx_generate_mods,
+	.unkn = nvc1_grctx_generate_unkn,
 	.hub  = nvc1_grctx_init_hub,
 	.gpc  = nvc1_grctx_init_gpc,
 	.icmd = nvc1_grctx_init_icmd,

drivers/gpu/drm/nouveau/core/engine/graph/ctxnvc3.c

@@ -91,6 +91,7 @@ nvc3_grctx_oclass = &(struct nvc0_grctx_oclass) {
 	},
 	.main = nvc0_grctx_generate_main,
 	.mods = nvc0_grctx_generate_mods,
+	.unkn = nvc0_grctx_generate_unkn,
 	.hub  = nvc0_grctx_init_hub,
 	.gpc  = nvc3_grctx_init_gpc,
 	.icmd = nvc0_grctx_init_icmd,

drivers/gpu/drm/nouveau/core/engine/graph/ctxnvc8.c

@@ -362,6 +362,7 @@ nvc8_grctx_oclass = &(struct nvc0_grctx_oclass) {
 	},
 	.main = nvc0_grctx_generate_main,
 	.mods = nvc0_grctx_generate_mods,
+	.unkn = nvc0_grctx_generate_unkn,
 	.hub  = nvc0_grctx_init_hub,
 	.gpc  = nvc8_grctx_init_gpc,
 	.icmd = nvc8_grctx_init_icmd,

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

@@ -227,13 +227,7 @@ nvd7_grctx_generate_main(struct nvc0_graph_priv *priv, struct nvc0_grctx *info)
 	nv_wr32(priv, 0x404154, 0x00000000);
 
 	oclass->mods(priv, info);
-
-	nv_wr32(priv, 0x418c6c, 0x1);
-	nv_wr32(priv, 0x41980c, 0x10);
-	nv_wr32(priv, 0x41be08, 0x4);
-	nv_wr32(priv, 0x4064c0, 0x801a0078);
-	nv_wr32(priv, 0x405800, 0xf8000bf);
-	nv_wr32(priv, 0x419c00, 0xa);
+	oclass->unkn(priv);
 
 	nvc0_grctx_generate_tpcid(priv);
 	nvc0_grctx_generate_r406028(priv);
@@ -296,6 +290,7 @@ nvd7_grctx_oclass = &(struct nvc0_grctx_oclass) {
 	},
 	.main = nvd7_grctx_generate_main,
 	.mods = nvd7_grctx_generate_mods,
+	.unkn = nve4_grctx_generate_unkn,
 	.hub  = nvd7_grctx_init_hub,
 	.gpc  = nvd7_grctx_init_gpc,
 	.icmd = nvd9_grctx_init_icmd,

drivers/gpu/drm/nouveau/core/engine/graph/ctxnvd9.c

@@ -507,6 +507,7 @@ nvd9_grctx_oclass = &(struct nvc0_grctx_oclass) {
 	},
 	.main = nvc0_grctx_generate_main,
 	.mods = nvc1_grctx_generate_mods,
+	.unkn = nvc1_grctx_generate_unkn,
 	.hub  = nvd9_grctx_init_hub,
 	.gpc  = nvd9_grctx_init_gpc,
 	.icmd = nvd9_grctx_init_icmd,

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

@@ -848,6 +848,17 @@ nve4_grctx_generate_mods(struct nvc0_graph_priv *priv, struct nvc0_grctx *info)
 	mmio_list(0x17e920, 0x00090a05, 0, 0);
 }
 
+void
+nve4_grctx_generate_unkn(struct nvc0_graph_priv *priv)
+{
+	nv_mask(priv, 0x418c6c, 0x00000001, 0x00000001);
+	nv_mask(priv, 0x41980c, 0x00000010, 0x00000010);
+	nv_mask(priv, 0x41be08, 0x00000004, 0x00000004);
+	nv_mask(priv, 0x4064c0, 0x80000000, 0x80000000);
+	nv_mask(priv, 0x405800, 0x08000000, 0x08000000);
+	nv_mask(priv, 0x419c00, 0x00000008, 0x00000008);
+}
+
 void
 nve4_grctx_generate_r418bb8(struct nvc0_graph_priv *priv)
 {
@@ -922,13 +933,7 @@ nve4_grctx_generate_main(struct nvc0_graph_priv *priv, struct nvc0_grctx *info)
 	nv_wr32(priv, 0x404154, 0x00000000);
 
 	oclass->mods(priv, info);
-
-	nv_wr32(priv, 0x418c6c, 0x1);
-	nv_wr32(priv, 0x41980c, 0x10);
-	nv_wr32(priv, 0x41be08, 0x4);
-	nv_wr32(priv, 0x4064c0, 0x801a00f0);
-	nv_wr32(priv, 0x405800, 0xf8000bf);
-	nv_wr32(priv, 0x419c00, 0xa);
+	oclass->unkn(priv);
 
 	nvc0_grctx_generate_tpcid(priv);
 	nvc0_grctx_generate_r406028(priv);
@@ -1013,6 +1018,7 @@ nve4_grctx_oclass = &(struct nvc0_grctx_oclass) {
 	},
 	.main = nve4_grctx_generate_main,
 	.mods = nve4_grctx_generate_mods,
+	.unkn = nve4_grctx_generate_unkn,
 	.hub  = nve4_grctx_init_hub,
 	.gpc  = nve4_grctx_init_gpc,
 	.icmd = nve4_grctx_init_icmd,

drivers/gpu/drm/nouveau/core/engine/graph/ctxnvf0.c

@@ -320,6 +320,7 @@ nvf0_grctx_oclass = &(struct nvc0_grctx_oclass) {
 	},
 	.main = nve4_grctx_generate_main,
 	.mods = nvf0_grctx_generate_mods,
+	.unkn = nve4_grctx_generate_unkn,
 	.hub  = nvf0_grctx_init_hub,
 	.gpc  = nvf0_grctx_init_gpc,
 	.icmd = nvc0_grctx_init_icmd,

drivers/gpu/drm/nouveau/core/engine/graph/nvc0.h

@@ -150,6 +150,7 @@ struct nvc0_grctx_oclass {
 	void  (*main)(struct nvc0_graph_priv *, struct nvc0_grctx *);
 	/* context-specific modify-on-first-load list generation function */
 	void  (*mods)(struct nvc0_graph_priv *, struct nvc0_grctx *);
+	void  (*unkn)(struct nvc0_graph_priv *);
 	/* mmio context data */
 	struct nvc0_graph_init **hub;
 	struct nvc0_graph_init **gpc;
@@ -207,6 +208,7 @@ extern struct nvc0_graph_init nve4_graph_init_unk88xx[];
 int  nvc0_grctx_generate(struct nvc0_graph_priv *);
 void nvc0_grctx_generate_main(struct nvc0_graph_priv *, struct nvc0_grctx *);
 void nvc0_grctx_generate_mods(struct nvc0_graph_priv *, struct nvc0_grctx *);
+void nvc0_grctx_generate_unkn(struct nvc0_graph_priv *);
 void nvc0_grctx_generate_tpcid(struct nvc0_graph_priv *);
 void nvc0_grctx_generate_r406028(struct nvc0_graph_priv *);
 void nvc0_grctx_generate_r4060a8(struct nvc0_graph_priv *);
@@ -238,6 +240,7 @@ extern struct nvc0_graph_init nvc0_grctx_init_90c0[];
 extern struct nvc0_graph_init nvc0_grctx_init_mthd_magic[];
 
 void nvc1_grctx_generate_mods(struct nvc0_graph_priv *, struct nvc0_grctx *);
+void nvc1_grctx_generate_unkn(struct nvc0_graph_priv *);
 extern struct nouveau_oclass *nvc1_grctx_oclass;
 extern struct nvc0_graph_init nvc1_grctx_init_9097[];
 
@@ -254,6 +257,7 @@ extern struct nvc0_graph_init nvd9_grctx_init_rop[];
 extern struct nvc0_graph_mthd nvd9_grctx_init_mthd[];
 
 void nve4_grctx_generate_main(struct nvc0_graph_priv *, struct nvc0_grctx *);
+void nve4_grctx_generate_unkn(struct nvc0_graph_priv *);
 extern struct nouveau_oclass *nve4_grctx_oclass;
 extern struct nvc0_graph_init nve4_grctx_init_unk46xx[];
 extern struct nvc0_graph_init nve4_grctx_init_unk47xx[];