diff --git a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c
index 7cc248faf..0328e100d 100644
--- a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c
@@ -1005,6 +1005,7 @@ int gk20a_init_pmu(struct pmu_gk20a *pmu)
 	pmu->remove_support = gk20a_remove_pmu_support;
 
 	switch (pmu->desc->app_version) {
+	case APP_VERSION_T186_1:
 	case APP_VERSION_T186_0:
 		g->ops.pmu_ver.pg_cmd_eng_buf_load_size =
 				pg_cmd_eng_buf_load_size_v1;
diff --git a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h
index 0d7d74357..bbfcf4ee4 100644
--- a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h
@@ -49,6 +49,7 @@
 /* Mapping between AP_CTRLs and Idle counters */
 #define PMU_AP_IDLE_MASK_GRAPHICS	(PMU_AP_IDLE_MASK_HIST_IDX_1)
 
+#define APP_VERSION_T186_1	19870492
 #define APP_VERSION_T186_0	19842227
 #define APP_VERSION_GM20B_4 19008461
 #define APP_VERSION_GM20B_3 18935575