diff --git a/drivers/gpu/nvgpu/include/nvgpu/vgpu/tegra_vgpu.h b/drivers/gpu/nvgpu/include/nvgpu/vgpu/tegra_vgpu.h
index c269dc243..3bcabadf3 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/vgpu/tegra_vgpu.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/vgpu/tegra_vgpu.h
@@ -706,6 +706,10 @@ struct tegra_vgpu_sm_esr_info {
 	u32 hww_warp_esr_report_mask;
 };
 
+struct tegra_vgpu_semaphore_wakeup {
+	u32 post_events;
+};
+
 enum {
 
 	TEGRA_VGPU_INTR_GR = 0,
@@ -722,6 +726,7 @@ enum {
 	TEGRA_VGPU_EVENT_FECS_TRACE = 2,
 	TEGRA_VGPU_EVENT_CHANNEL = 3,
 	TEGRA_VGPU_EVENT_SM_ESR = 4,
+	TEGRA_VGPU_EVENT_SEMAPHORE_WAKEUP = 5,
 };
 
 struct tegra_vgpu_intr_msg {
@@ -736,6 +741,7 @@ struct tegra_vgpu_intr_msg {
 		struct tegra_vgpu_fecs_trace_event_info fecs_trace;
 		struct tegra_vgpu_channel_event_info channel_event;
 		struct tegra_vgpu_sm_esr_info sm_esr;
+		struct tegra_vgpu_semaphore_wakeup sem_wakeup;
 		char padding[32];
 	} info;
 };
diff --git a/drivers/gpu/nvgpu/vgpu/vgpu.c b/drivers/gpu/nvgpu/vgpu/vgpu.c
index eb56d4f95..3b53474dc 100644
--- a/drivers/gpu/nvgpu/vgpu/vgpu.c
+++ b/drivers/gpu/nvgpu/vgpu/vgpu.c
@@ -165,6 +165,10 @@ int vgpu_intr_thread(void *dev_id)
 		case TEGRA_VGPU_EVENT_SM_ESR:
 			vgpu_gr_handle_sm_esr_event(g, &msg->info.sm_esr);
 			break;
+		case TEGRA_VGPU_EVENT_SEMAPHORE_WAKEUP:
+			g->ops.semaphore_wakeup(g,
+					!!msg->info.sem_wakeup.post_events);
+			break;
 		default:
 			nvgpu_err(g, "unknown event %u", msg->event);
 			break;