diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
index 086f56529d6dc8291fe8740d7bb0c7d5b49578ce..da2e47228d7d81849879e71b72ad6f932e5496de 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
@@ -702,6 +702,13 @@ gf100_gr_pack_mmio[] = {
  * PGRAPH engine/subdev functions
  ******************************************************************************/
 
+int
+gf100_gr_rops(struct gf100_gr *gr)
+{
+	struct nvkm_device *device = gr->base.engine.subdev.device;
+	return (nvkm_rd32(device, 0x409604) & 0x001f0000) >> 16;
+}
+
 void
 gf100_gr_zbc_init(struct gf100_gr *gr)
 {
@@ -1633,8 +1640,8 @@ gf100_gr_oneinit(struct nvkm_gr *base)
 		nvkm_wo32(gr->unk4188b8, i, 0x00000010);
 	nvkm_done(gr->unk4188b8);
 
-	gr->rop_nr = (nvkm_rd32(device, 0x409604) & 0x001f0000) >> 16;
-	gr->gpc_nr =  nvkm_rd32(device, 0x409604) & 0x0000001f;
+	gr->rop_nr = gr->func->rops(gr);
+	gr->gpc_nr = nvkm_rd32(device, 0x409604) & 0x0000001f;
 	for (i = 0; i < gr->gpc_nr; i++) {
 		gr->tpc_nr[i]  = nvkm_rd32(device, GPC_UNIT(i, 0x2608));
 		gr->tpc_total += gr->tpc_nr[i];
@@ -1946,6 +1953,7 @@ gf100_gr = {
 	.mmio = gf100_gr_pack_mmio,
 	.fecs.ucode = &gf100_gr_fecs_ucode,
 	.gpccs.ucode = &gf100_gr_gpccs_ucode,
+	.rops = gf100_gr_rops,
 	.grctx = &gf100_grctx,
 	.sclass = {
 		{ -1, -1, FERMI_TWOD_A },
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h
index 0c49193740f05ee1ce46e1ce86e971b6d4774e65..be5d61f70b8a525474867d51111e145fdeefd79b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h
@@ -129,12 +129,14 @@ struct gf100_gr_func {
 	struct {
 		struct gf100_gr_ucode *ucode;
 	} gpccs;
+	int (*rops)(struct gf100_gr *);
 	int ppc_nr;
 	const struct gf100_grctx_func *grctx;
 	struct nvkm_sclass sclass[];
 };
 
 int gf100_gr_init(struct gf100_gr *);
+int gf100_gr_rops(struct gf100_gr *);
 
 int gk104_gr_init(struct gf100_gr *);
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf104.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf104.c
index 8f253e0a22f40c182773fcda1eaf80bd183ea5eb..d736dcd55ea2068f9119be1a261466f4d51bfd8b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf104.c
@@ -118,6 +118,7 @@ gf104_gr = {
 	.mmio = gf104_gr_pack_mmio,
 	.fecs.ucode = &gf100_gr_fecs_ucode,
 	.gpccs.ucode = &gf100_gr_gpccs_ucode,
+	.rops = gf100_gr_rops,
 	.grctx = &gf104_grctx,
 	.sclass = {
 		{ -1, -1, FERMI_TWOD_A },
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf108.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf108.c
index 815a5aafa2457976d3bf5d9d22f28e73111c8d9f..2f0d24498427b779fc17e6f7ea23b04ef29fd901 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf108.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf108.c
@@ -109,6 +109,7 @@ gf108_gr = {
 	.mmio = gf108_gr_pack_mmio,
 	.fecs.ucode = &gf100_gr_fecs_ucode,
 	.gpccs.ucode = &gf100_gr_gpccs_ucode,
+	.rops = gf100_gr_rops,
 	.grctx = &gf108_grctx,
 	.sclass = {
 		{ -1, -1, FERMI_TWOD_A },
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf110.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf110.c
index d081ee41fc14eeef46112ab1a4b7a62a4dcbad8f..d1d942eb86af2cf191b22c01c79997599fe5247e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf110.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf110.c
@@ -90,6 +90,7 @@ gf110_gr = {
 	.mmio = gf110_gr_pack_mmio,
 	.fecs.ucode = &gf100_gr_fecs_ucode,
 	.gpccs.ucode = &gf100_gr_gpccs_ucode,
+	.rops = gf100_gr_rops,
 	.grctx = &gf110_grctx,
 	.sclass = {
 		{ -1, -1, FERMI_TWOD_A },
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf117.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf117.c
index d8e8af4d3b300d6c5c6e1db6aa89013f53e33c01..70335f65c51efbe7d4b1293e9ef2ec2dd67e3279 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf117.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf117.c
@@ -126,6 +126,7 @@ gf117_gr = {
 	.mmio = gf117_gr_pack_mmio,
 	.fecs.ucode = &gf117_gr_fecs_ucode,
 	.gpccs.ucode = &gf117_gr_gpccs_ucode,
+	.rops = gf100_gr_rops,
 	.ppc_nr = 1,
 	.grctx = &gf117_grctx,
 	.sclass = {
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf119.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf119.c
index 01faf9a737749fa4014d89c1b6c9c2cf056a768d..8d8e4cafe28f8c0bead7f64bfc10ab115a776d6b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf119.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf119.c
@@ -181,6 +181,7 @@ gf119_gr = {
 	.mmio = gf119_gr_pack_mmio,
 	.fecs.ucode = &gf100_gr_fecs_ucode,
 	.gpccs.ucode = &gf100_gr_gpccs_ucode,
+	.rops = gf100_gr_rops,
 	.grctx = &gf119_grctx,
 	.sclass = {
 		{ -1, -1, FERMI_TWOD_A },
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk104.c
index 1be324ac26581a2850f9b9697bb990c354cc2fa7..cf7d6a5c24765a1fe0296e32da25c0d50a199c69 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk104.c
@@ -312,6 +312,7 @@ gk104_gr = {
 	.mmio = gk104_gr_pack_mmio,
 	.fecs.ucode = &gk104_gr_fecs_ucode,
 	.gpccs.ucode = &gk104_gr_gpccs_ucode,
+	.rops = gf100_gr_rops,
 	.ppc_nr = 1,
 	.grctx = &gk104_grctx,
 	.sclass = {
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk110.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk110.c
index 32aa2946e7b70731ca2a3f87e3e6f815978fa4d4..de1685c625c30b2f19d0a8dacf28449f9b9d47ea 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk110.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk110.c
@@ -186,6 +186,7 @@ gk110_gr = {
 	.mmio = gk110_gr_pack_mmio,
 	.fecs.ucode = &gk110_gr_fecs_ucode,
 	.gpccs.ucode = &gk110_gr_gpccs_ucode,
+	.rops = gf100_gr_rops,
 	.ppc_nr = 2,
 	.grctx = &gk110_grctx,
 	.sclass = {
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk110b.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk110b.c
index 22f88afbf35fd3fb8fe1707d6feb5e95f437e739..f5f53e6c03e3739418a51d8d35445ec79f566bf8 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk110b.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk110b.c
@@ -106,6 +106,7 @@ gk110b_gr = {
 	.mmio = gk110b_gr_pack_mmio,
 	.fecs.ucode = &gk110_gr_fecs_ucode,
 	.gpccs.ucode = &gk110_gr_gpccs_ucode,
+	.rops = gf100_gr_rops,
 	.ppc_nr = 2,
 	.grctx = &gk110b_grctx,
 	.sclass = {
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk208.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk208.c
index ee7554fc87dc7ba921129be226a2378f551b4e86..ca66e9e62650c9064eece2651dbc393da695cd0f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk208.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk208.c
@@ -165,6 +165,7 @@ gk208_gr = {
 	.mmio = gk208_gr_pack_mmio,
 	.fecs.ucode = &gk208_gr_fecs_ucode,
 	.gpccs.ucode = &gk208_gr_gpccs_ucode,
+	.rops = gf100_gr_rops,
 	.ppc_nr = 1,
 	.grctx = &gk208_grctx,
 	.sclass = {
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk20a.c
index 8a43baf2d9ab9f233d388a354dd9ea1186e428b9..d28feb4465f9ce8260c982e585eb47d00d8c1785 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk20a.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk20a.c
@@ -313,6 +313,7 @@ static const struct gf100_gr_func
 gk20a_gr = {
 	.init = gk20a_gr_init,
 	.set_hww_esr_report_mask = gk20a_gr_set_hww_esr_report_mask,
+	.rops = gf100_gr_rops,
 	.ppc_nr = 1,
 	.grctx = &gk20a_grctx,
 	.sclass = {
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gm107.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gm107.c
index b410221628de1524497cdd8e38711fd9c7cc2629..c4f5500be23407740e1593a24b87721d1ee6e266 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gm107.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gm107.c
@@ -441,6 +441,7 @@ gm107_gr = {
 	.mmio = gm107_gr_pack_mmio,
 	.fecs.ucode = &gm107_gr_fecs_ucode,
 	.gpccs.ucode = &gm107_gr_gpccs_ucode,
+	.rops = gf100_gr_rops,
 	.ppc_nr = 2,
 	.grctx = &gm107_grctx,
 	.sclass = {
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gm200.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gm200.c
index ccc644605643720101184975e872f9413f940d61..e10073319f6bcc2db0cc75903b5abaebcfd3c369 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gm200.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gm200.c
@@ -189,6 +189,7 @@ gm200_gr_new_(const struct gf100_gr_func *func, struct nvkm_device *device,
 static const struct gf100_gr_func
 gm200_gr = {
 	.init = gm200_gr_init,
+	.rops = gf100_gr_rops,
 	.ppc_nr = 2,
 	.grctx = &gm200_grctx,
 	.sclass = {
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gm20b.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gm20b.c
index 29732bc144158303f66408e403b2af03d8495b6e..1281a9cffa763f9928ecc941553deaec4d8415cd 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gm20b.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gm20b.c
@@ -67,6 +67,7 @@ gm20b_gr = {
 	.init = gk20a_gr_init,
 	.init_gpc_mmu = gm20b_gr_init_gpc_mmu,
 	.set_hww_esr_report_mask = gm20b_gr_set_hww_esr_report_mask,
+	.rops = gf100_gr_rops,
 	.ppc_nr = 1,
 	.grctx = &gm20b_grctx,
 	.sclass = {