2 files changed, 10 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/vgpu/tegra_vgpu.h b/drivers/gpu/nvgpu/include/nvgpu/vgpu/tegra_vgpu.h
index c269dc24..3bcabadf 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 eb56d4f9..3b53474d 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;