diff --git a/drivers/gpu/nvgpu/common/ltc/ltc_gm20b.c b/drivers/gpu/nvgpu/common/ltc/ltc_gm20b.c
index 205b712d9..eb321776b 100644
--- a/drivers/gpu/nvgpu/common/ltc/ltc_gm20b.c
+++ b/drivers/gpu/nvgpu/common/ltc/ltc_gm20b.c
@@ -105,6 +105,7 @@ int gm20b_ltc_init_comptags(struct gk20a *g, struct gr_gk20a *gr)
 
 	gr->max_comptag_lines = max_comptag_lines;
 	gr->comptags_per_cacheline = comptags_per_cacheline;
+	gr->compbit_backing_size = compbit_backing_size;
 
 	return 0;
 }
diff --git a/drivers/gpu/nvgpu/common/ltc/ltc_gp10b.c b/drivers/gpu/nvgpu/common/ltc/ltc_gp10b.c
index f4edbdb2b..9aabf5435 100644
--- a/drivers/gpu/nvgpu/common/ltc/ltc_gp10b.c
+++ b/drivers/gpu/nvgpu/common/ltc/ltc_gp10b.c
@@ -130,6 +130,7 @@ int gp10b_ltc_init_comptags(struct gk20a *g, struct gr_gk20a *gr)
 	gr->max_comptag_lines = max_comptag_lines;
 	gr->comptags_per_cacheline = comptags_per_cacheline;
 	gr->gobs_per_comptagline_per_slice = gobs_per_comptagline_per_slice;
+	gr->compbit_backing_size = compbit_backing_size;
 
 	return 0;
 }
diff --git a/drivers/gpu/nvgpu/gk20a/gr_gk20a.h b/drivers/gpu/nvgpu/gk20a/gr_gk20a.h
index 44b6de8dd..4f83bba34 100644
--- a/drivers/gpu/nvgpu/gk20a/gr_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gr_gk20a.h
@@ -333,6 +333,7 @@ struct gr_gk20a {
 	u32 num_fbps;
 
 	u32 max_comptag_lines;
+	u32 compbit_backing_size;
 	u32 comptags_per_cacheline;
 	u32 slices_per_ltc;
 	u32 cacheline_size;