diff --git a/drivers/gpu/nvgpu/common/bus/bus_gk20a.c b/drivers/gpu/nvgpu/common/bus/bus_gk20a.c
index 532fc9c6c..d4ef41c14 100644
--- a/drivers/gpu/nvgpu/common/bus/bus_gk20a.c
+++ b/drivers/gpu/nvgpu/common/bus/bus_gk20a.c
@@ -59,24 +59,6 @@ void gk20a_bus_isr(struct gk20a *g)
 	gk20a_writel(g, bus_intr_0_r(), val);
 }
 
-int gk20a_bus_bar1_bind(struct gk20a *g, struct nvgpu_mem *bar1_inst)
-{
-	u64 iova = nvgpu_inst_block_addr(g, bar1_inst);
-	u32 ptr_v = (u32)(iova >> bus_bar1_block_ptr_shift_v());
-
-	nvgpu_log(g, gpu_dbg_info, "bar1 inst block ptr: 0x%08x", ptr_v);
-
-	gk20a_writel(g, bus_bar1_block_r(),
-		     nvgpu_aperture_mask(g, bar1_inst,
-					 bus_bar1_block_target_sys_mem_ncoh_f(),
-					 bus_bar1_block_target_sys_mem_coh_f(),
-					 bus_bar1_block_target_vid_mem_f()) |
-		     bus_bar1_block_mode_virtual_f() |
-		     bus_bar1_block_ptr_f(ptr_v));
-
-	return 0;
-}
-
 u32 gk20a_bus_set_bar0_window(struct gk20a *g, struct nvgpu_mem *mem,
 		       struct nvgpu_sgt *sgt, struct nvgpu_sgl *sgl, u32 w)
 {
diff --git a/drivers/gpu/nvgpu/common/bus/bus_gk20a.h b/drivers/gpu/nvgpu/common/bus/bus_gk20a.h
index 541472cdd..4c7e62d9e 100644
--- a/drivers/gpu/nvgpu/common/bus/bus_gk20a.h
+++ b/drivers/gpu/nvgpu/common/bus/bus_gk20a.h
@@ -31,7 +31,6 @@ struct nvgpu_sgl;
 
 void gk20a_bus_isr(struct gk20a *g);
 void gk20a_bus_init_hw(struct gk20a *g);
-int gk20a_bus_bar1_bind(struct gk20a *g, struct nvgpu_mem *bar1_inst);
 u32 gk20a_bus_set_bar0_window(struct gk20a *g, struct nvgpu_mem *mem,
 		       struct nvgpu_sgt *sgt,
 		       struct nvgpu_sgl *sgl,
diff --git a/drivers/gpu/nvgpu/gp106/hal_gp106.c b/drivers/gpu/nvgpu/gp106/hal_gp106.c
index 33e69d4e0..eec0f9179 100644
--- a/drivers/gpu/nvgpu/gp106/hal_gp106.c
+++ b/drivers/gpu/nvgpu/gp106/hal_gp106.c
@@ -25,6 +25,7 @@
 #include "common/bus/bus_gk20a.h"
 #include "common/clock_gating/gp106_gating_reglist.h"
 #include "common/ptimer/ptimer_gk20a.h"
+#include "common/bus/bus_gm20b.h"
 
 #include "gk20a/gk20a.h"
 #include "gk20a/fifo_gk20a.h"
@@ -721,7 +722,7 @@ static const struct gpu_ops gp106_ops = {
 	.bus = {
 		.init_hw = gk20a_bus_init_hw,
 		.isr = gk20a_bus_isr,
-		.bar1_bind = gk20a_bus_bar1_bind,
+		.bar1_bind = gm20b_bus_bar1_bind,
 		.set_bar0_window = gk20a_bus_set_bar0_window,
 	},
 	.ptimer = {
diff --git a/drivers/gpu/nvgpu/gp10b/hal_gp10b.c b/drivers/gpu/nvgpu/gp10b/hal_gp10b.c
index 0106f6c9f..934ddb9af 100644
--- a/drivers/gpu/nvgpu/gp10b/hal_gp10b.c
+++ b/drivers/gpu/nvgpu/gp10b/hal_gp10b.c
@@ -25,6 +25,7 @@
 #include "common/bus/bus_gk20a.h"
 #include "common/clock_gating/gp10b_gating_reglist.h"
 #include "common/ptimer/ptimer_gk20a.h"
+#include "common/bus/bus_gm20b.h"
 
 #include "gk20a/gk20a.h"
 #include "gk20a/fifo_gk20a.h"
@@ -651,7 +652,7 @@ static const struct gpu_ops gp10b_ops = {
 	.bus = {
 		.init_hw = gk20a_bus_init_hw,
 		.isr = gk20a_bus_isr,
-		.bar1_bind = gk20a_bus_bar1_bind,
+		.bar1_bind = gm20b_bus_bar1_bind,
 		.set_bar0_window = gk20a_bus_set_bar0_window,
 	},
 	.ptimer = {
diff --git a/drivers/gpu/nvgpu/vgpu/gp10b/vgpu_hal_gp10b.c b/drivers/gpu/nvgpu/vgpu/gp10b/vgpu_hal_gp10b.c
index 3fa78e549..c4ffe126c 100644
--- a/drivers/gpu/nvgpu/vgpu/gp10b/vgpu_hal_gp10b.c
+++ b/drivers/gpu/nvgpu/vgpu/gp10b/vgpu_hal_gp10b.c
@@ -21,6 +21,7 @@
  */
 
 #include "common/bus/bus_gk20a.h"
+#include "common/bus/bus_gm20b.h"
 #include "common/clock_gating/gp10b_gating_reglist.h"
 
 #include "vgpu/fifo_vgpu.h"
@@ -523,7 +524,7 @@ static const struct gpu_ops vgpu_gp10b_ops = {
 	.bus = {
 		.init_hw = gk20a_bus_init_hw,
 		.isr = gk20a_bus_isr,
-		.bar1_bind = gk20a_bus_bar1_bind,
+		.bar1_bind = gm20b_bus_bar1_bind,
 		.set_bar0_window = gk20a_bus_set_bar0_window,
 	},
 	.ptimer = {