diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/pm/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/pm/gf100.c
index ab463898b437d057d8306ed29cf09efdfe04d10e..887d2dfeaa3cffd3402484c481b209b236251128 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/pm/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/pm/gf100.c
@@ -23,6 +23,16 @@
  */
 #include "gf100.h"
 
+const struct nvkm_specsrc
+gf100_pbfb_sources[] = {
+	{ 0x10f100, (const struct nvkm_specmux[]) {
+			{ 0x1, 0, "unk0" },
+			{ 0x3f, 4, "unk4" },
+			{}
+		}, "pbfb_broadcast_pm_unk100" },
+	{}
+};
+
 const struct nvkm_specsrc
 gf100_pmfb_sources[] = {
 	{ 0x140028, (const struct nvkm_specmux[]) {
@@ -44,17 +54,6 @@ gf100_l1_sources[] = {
 	{}
 };
 
-static const struct nvkm_specsrc
-gf100_pbfb_sources[] = {
-	{ 0x10f100, (const struct nvkm_specmux[]) {
-			{ 0x1, 0, "unk0" },
-			{ 0xf, 4, "unk4" },
-			{ 0x3, 8, "unk8" },
-			{}
-		}, "pbfb_broadcast_pm_unk100" },
-	{}
-};
-
 static const struct nvkm_specsrc
 gf100_tex_sources[] = {
 	{ 0x5042c0, (const struct nvkm_specmux[]) {
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/pm/gf100.h b/drivers/gpu/drm/nouveau/nvkm/engine/pm/gf100.h
index d73f0ca442ebe744a49a256fb03149d035285236..3a3a901e592966d92453825ee37ccfb07e36c4a4 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/pm/gf100.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/pm/gf100.h
@@ -26,7 +26,7 @@ int gf100_pm_fini(struct nvkm_object *, bool);
 
 extern const struct nvkm_specdom gf100_pm_gpc[];
 
+extern const struct nvkm_specsrc gf100_pbfb_sources[];
 extern const struct nvkm_specsrc gf100_pmfb_sources[];
-extern const struct nvkm_specsrc gf117_pbfb_sources[];
 
 #endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/pm/gf108.c b/drivers/gpu/drm/nouveau/nvkm/engine/pm/gf108.c
index a74c68520ea72f83e7b2edc2b147f85613adfc35..a4d86d1ab1b0bbaea50d9aab1d1f12e85e18486d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/pm/gf108.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/pm/gf108.c
@@ -23,23 +23,6 @@
  */
 #include "gf100.h"
 
-static const struct nvkm_specsrc
-gf108_pbfb_sources[] = {
-	{ 0x110100, (const struct nvkm_specmux[]) {
-			{ 0x1, 0, "unk0" },
-			{ 0xf, 4, "unk4" },
-			{ 0x3, 8, "unk8" },
-			{}
-		}, "pbfb0_pm_unk100" },
-	{ 0x111100, (const struct nvkm_specmux[]) {
-			{ 0x1, 0, "unk0" },
-			{ 0xf, 4, "unk4" },
-			{ 0x3, 8, "unk8" },
-			{}
-		}, "pbfb1_pm_unk100" },
-	{}
-};
-
 static const struct nvkm_specdom
 gf108_pm_hub[] = {
 	{}
@@ -48,10 +31,10 @@ gf108_pm_hub[] = {
 static const struct nvkm_specdom
 gf108_pm_part[] = {
 	{ 0xe0, (const struct nvkm_specsig[]) {
-			{ 0x14, "part00_pbfb_00", gf108_pbfb_sources },
-			{ 0x15, "part00_pbfb_01", gf108_pbfb_sources },
-			{ 0x20, "part00_pbfb_02", gf108_pbfb_sources },
-			{ 0x21, "part00_pbfb_03", gf108_pbfb_sources },
+			{ 0x14, "part00_pbfb_00", gf100_pbfb_sources },
+			{ 0x15, "part00_pbfb_01", gf100_pbfb_sources },
+			{ 0x20, "part00_pbfb_02", gf100_pbfb_sources },
+			{ 0x21, "part00_pbfb_03", gf100_pbfb_sources },
 			{ 0x01, "part00_pmfb_00", gf100_pmfb_sources },
 			{ 0x04, "part00_pmfb_01", gf100_pmfb_sources },
 			{ 0x05, "part00_pmfb_02", gf100_pmfb_sources},
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/pm/gf117.c b/drivers/gpu/drm/nouveau/nvkm/engine/pm/gf117.c
index 01d3a485e506b9296e179e0e18936d39a5439288..a76c9283237d8bfb91bfbbc836200f07979e2873 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/pm/gf117.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/pm/gf117.c
@@ -39,23 +39,6 @@ gf117_pmfb_sources[] = {
 	{}
 };
 
-const struct nvkm_specsrc
-gf117_pbfb_sources[] = {
-	{ 0x110100, (const struct nvkm_specmux[]) {
-			{ 0x1, 0, "unk0" },
-			{ 0xf, 4, "unk4" },
-			{ 0x3, 8, "unk8" },
-			{}
-		}, "pbfb0_pm_unk100" },
-        { 0x10f100, (const struct nvkm_specmux[]) {
-			{ 0x1, 0, "unk0" },
-			{ 0xf, 4, "unk4" },
-			{ 0x3, 8, "unk8" },
-			{}
-		}, "pbfb_broadcast_pm_unk100" },
-	{}
-};
-
 static const struct nvkm_specdom
 gf117_pm_hub[] = {
 	{}
@@ -64,8 +47,8 @@ gf117_pm_hub[] = {
 static const struct nvkm_specdom
 gf117_pm_part[] = {
 	{ 0xe0, (const struct nvkm_specsig[]) {
-			{ 0x00, "part00_pbfb_00", gf117_pbfb_sources },
-			{ 0x01, "part00_pbfb_01", gf117_pbfb_sources },
+			{ 0x00, "part00_pbfb_00", gf100_pbfb_sources },
+			{ 0x01, "part00_pbfb_01", gf100_pbfb_sources },
 			{ 0x12, "part00_pmfb_00", gf117_pmfb_sources },
 			{ 0x15, "part00_pmfb_01", gf117_pmfb_sources },
 			{ 0x16, "part00_pmfb_02", gf117_pmfb_sources },
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/pm/gk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/pm/gk104.c
index 5067f72b8dda92a4a154483a9f0476ca7d90bb8d..a236db9b7a6861c6129b1122aaaa21669d7f967d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/pm/gk104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/pm/gk104.c
@@ -145,8 +145,8 @@ gk104_pm_gpc[] = {
 static const struct nvkm_specdom
 gk104_pm_part[] = {
 	{ 0x60, (const struct nvkm_specsig[]) {
-			{ 0x00, "part00_pbfb_00", gf117_pbfb_sources },
-			{ 0x01, "part00_pbfb_01", gf117_pbfb_sources },
+			{ 0x00, "part00_pbfb_00", gf100_pbfb_sources },
+			{ 0x01, "part00_pbfb_01", gf100_pbfb_sources },
 			{ 0x0c, "part00_pmfb_00", gk104_pmfb_sources },
 			{ 0x0d, "part00_pmfb_01", gk104_pmfb_sources },
 			{ 0x0e, "part00_pmfb_02", gk104_pmfb_sources },