diff --git a/drivers/gpu/nvgpu/common/mm/mm.c b/drivers/gpu/nvgpu/common/mm/mm.c
index c9b2b4935..30e7351c0 100644
--- a/drivers/gpu/nvgpu/common/mm/mm.c
+++ b/drivers/gpu/nvgpu/common/mm/mm.c
@@ -159,10 +159,8 @@ static void nvgpu_remove_mm_support(struct mm_gk20a *mm)
 	if (g->ops.mm.remove_bar2_vm)
 		g->ops.mm.remove_bar2_vm(g);
 
-	if (g->ops.mm.is_bar1_supported(g)) {
-		nvgpu_free_inst_block(g, &mm->bar1.inst_block);
-		nvgpu_vm_put(mm->bar1.vm);
-	}
+	nvgpu_free_inst_block(g, &mm->bar1.inst_block);
+	nvgpu_vm_put(mm->bar1.vm);
 
 	nvgpu_free_inst_block(g, &mm->pmu.inst_block);
 	nvgpu_free_inst_block(g, &mm->hwpm.inst_block);
@@ -377,11 +375,10 @@ static int nvgpu_init_mm_setup_sw(struct gk20a *g)
 	if (err)
 		return err;
 
-	if (g->ops.mm.is_bar1_supported(g)) {
-		err = nvgpu_init_bar1_vm(mm);
-		if (err)
-			return err;
-	}
+	err = nvgpu_init_bar1_vm(mm);
+	if (err)
+		return err;
+
 	if (g->ops.mm.init_bar2_vm) {
 		err = g->ops.mm.init_bar2_vm(g);
 		if (err)
diff --git a/drivers/gpu/nvgpu/gv11b/hal_gv11b.c b/drivers/gpu/nvgpu/gv11b/hal_gv11b.c
index 1a7f08749..87775a3f5 100644
--- a/drivers/gpu/nvgpu/gv11b/hal_gv11b.c
+++ b/drivers/gpu/nvgpu/gv11b/hal_gv11b.c
@@ -24,6 +24,7 @@
 
 #include "common/bus/bus_gk20a.h"
 #include "common/bus/bus_gp10b.h"
+#include "common/bus/bus_gm20b.h"
 #include "common/clock_gating/gv11b_gating_reglist.h"
 #include "common/ptimer/ptimer_gk20a.h"
 
@@ -745,7 +746,7 @@ static const struct gpu_ops gv11b_ops = {
 	.bus = {
 		.init_hw = gk20a_bus_init_hw,
 		.isr = gk20a_bus_isr,
-		.bar1_bind = NULL,
+		.bar1_bind = gm20b_bus_bar1_bind,
 		.bar2_bind = gp10b_bus_bar2_bind,
 		.set_bar0_window = gk20a_bus_set_bar0_window,
 	},
diff --git a/drivers/gpu/nvgpu/gv11b/mm_gv11b.c b/drivers/gpu/nvgpu/gv11b/mm_gv11b.c
index e1d908292..0cf08d4a1 100644
--- a/drivers/gpu/nvgpu/gv11b/mm_gv11b.c
+++ b/drivers/gpu/nvgpu/gv11b/mm_gv11b.c
@@ -249,7 +249,11 @@ void gv11b_mm_l2_flush(struct gk20a *g, bool invalidate)
 
 	g->ops.mm.fb_flush(g);
 	gk20a_mm_l2_flush(g, invalidate);
-	g->ops.mm.fb_flush(g);
+	if (g->ops.bus.bar1_bind)
+		g->ops.fb.tlb_invalidate(g,
+				g->mm.bar1.vm->pdb.mem);
+	else
+		g->ops.mm.fb_flush(g);
 }
 
 /*
diff --git a/drivers/gpu/nvgpu/vgpu/gv11b/vgpu_hal_gv11b.c b/drivers/gpu/nvgpu/vgpu/gv11b/vgpu_hal_gv11b.c
index fd408e3ad..2b65c992f 100644
--- a/drivers/gpu/nvgpu/vgpu/gv11b/vgpu_hal_gv11b.c
+++ b/drivers/gpu/nvgpu/vgpu/gv11b/vgpu_hal_gv11b.c
@@ -21,6 +21,7 @@
  */
 
 #include "common/bus/bus_gk20a.h"
+#include "common/bus/bus_gm20b.h"
 #include "common/clock_gating/gv11b_gating_reglist.h"
 
 #include <gk20a/gk20a.h>
@@ -597,7 +598,7 @@ static const struct gpu_ops vgpu_gv11b_ops = {
 	.bus = {
 		.init_hw = gk20a_bus_init_hw,
 		.isr = gk20a_bus_isr,
-		.bar1_bind = NULL,
+		.bar1_bind = gm20b_bus_bar1_bind,
 		.bar2_bind = NULL,
 		.set_bar0_window = gk20a_bus_set_bar0_window,
 	},