drm/gf100-/gr: fetch tpcs-per-ppc info on startup

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

drivers/gpu/drm/nouveau/core/engine/graph/gk110b.c

@@ -113,4 +113,5 @@ gk110b_graph_oclass = &(struct nvc0_graph_oclass) {
 	.mmio = gk110b_graph_pack_mmio,
 	.fecs.ucode = &nvf0_graph_fecs_ucode,
 	.gpccs.ucode = &nvf0_graph_gpccs_ucode,
+	.ppc_nr = 2,
 }.base;

drivers/gpu/drm/nouveau/core/engine/graph/gk20a.c

@@ -44,4 +44,5 @@ gk20a_graph_oclass = &(struct nvc0_graph_oclass) {
 	.cclass = &gk20a_grctx_oclass,
 	.sclass = gk20a_graph_sclass,
 	.mmio = nve4_graph_pack_mmio,
+	.ppc_nr = 1,
 }.base;

drivers/gpu/drm/nouveau/core/engine/graph/gm107.c

@@ -465,4 +465,5 @@ gm107_graph_oclass = &(struct nvc0_graph_oclass) {
 	.mmio = gm107_graph_pack_mmio,
 	.fecs.ucode = 0 ? &gm107_graph_fecs_ucode : NULL,
 	.gpccs.ucode = &gm107_graph_gpccs_ucode,
+	.ppc_nr = 2,
 }.base;

drivers/gpu/drm/nouveau/core/engine/graph/nv108.c

@@ -220,4 +220,5 @@ nv108_graph_oclass = &(struct nvc0_graph_oclass) {
 	.mmio = nv108_graph_pack_mmio,
 	.fecs.ucode = &nv108_graph_fecs_ucode,
 	.gpccs.ucode = &nv108_graph_gpccs_ucode,
+	.ppc_nr = 1,
 }.base;

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

@@ -1503,7 +1503,7 @@ nvc0_graph_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 	struct nouveau_device *device = nv_device(parent);
 	struct nvc0_graph_priv *priv;
 	bool use_ext_fw, enable;
-	int ret, i;
+	int ret, i, j;
 
 	use_ext_fw = nouveau_boolopt(device->cfgopt, "NvGrUseFW",
 				     oclass->fecs.ucode == NULL);
@@ -1549,6 +1549,11 @@ nvc0_graph_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 	for (i = 0; i < priv->gpc_nr; i++) {
 		priv->tpc_nr[i]  = nv_rd32(priv, GPC_UNIT(i, 0x2608));
 		priv->tpc_total += priv->tpc_nr[i];
+		priv->ppc_nr[i]  = oclass->ppc_nr;
+		for (j = 0; j < priv->ppc_nr[i]; j++) {
+			u8 mask = nv_rd32(priv, GPC_UNIT(i, 0x0c30 + (j * 4)));
+			priv->ppc_tpc_nr[i][j] = hweight8(mask);
+		}
 	}
 
 	/*XXX: these need figuring out... though it might not even matter */

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

@@ -101,6 +101,8 @@ struct nvc0_graph_priv {
 	u8 gpc_nr;
 	u8 tpc_nr[GPC_MAX];
 	u8 tpc_total;
+	u8 ppc_nr[GPC_MAX];
+	u8 ppc_tpc_nr[GPC_MAX][4];
 
 	struct nouveau_gpuobj *unk4188b4;
 	struct nouveau_gpuobj *unk4188b8;
@@ -189,6 +191,7 @@ struct nvc0_graph_oclass {
 	struct {
 		struct nvc0_graph_ucode *ucode;
 	} gpccs;
+	int ppc_nr;
 };
 
 void nvc0_graph_mmio(struct nvc0_graph_priv *, const struct nvc0_graph_pack *);

drivers/gpu/drm/nouveau/core/engine/graph/nvd7.c

@@ -133,4 +133,5 @@ nvd7_graph_oclass = &(struct nvc0_graph_oclass) {
 	.mmio = nvd7_graph_pack_mmio,
 	.fecs.ucode = &nvd7_graph_fecs_ucode,
 	.gpccs.ucode = &nvd7_graph_gpccs_ucode,
+	.ppc_nr = 1,
 }.base;

drivers/gpu/drm/nouveau/core/engine/graph/nve4.c

@@ -343,4 +343,5 @@ nve4_graph_oclass = &(struct nvc0_graph_oclass) {
 	.mmio = nve4_graph_pack_mmio,
 	.fecs.ucode = &nve4_graph_fecs_ucode,
 	.gpccs.ucode = &nve4_graph_gpccs_ucode,
+	.ppc_nr = 1,
 }.base;

drivers/gpu/drm/nouveau/core/engine/graph/nvf0.c

@@ -241,4 +241,5 @@ nvf0_graph_oclass = &(struct nvc0_graph_oclass) {
 	.mmio = nvf0_graph_pack_mmio,
 	.fecs.ucode = &nvf0_graph_fecs_ucode,
 	.gpccs.ucode = &nvf0_graph_gpccs_ucode,
+	.ppc_nr = 2,
 }.base;