3 files changed, 14 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index 06739eee..178c1200 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -1097,6 +1097,8 @@ struct gpu_ops {
                 int (*shutdown)(struct gk20a *g);
                 int (*early_init)(struct gk20a *g);
         } nvlink;
+
+        void (*semaphore_wakeup)(struct gk20a *g, bool post_events);
 };
 
 struct nvgpu_bios_ucode {
diff --git a/drivers/gpu/nvgpu/gk20a/mc_gk20a.c b/drivers/gpu/nvgpu/gk20a/mc_gk20a.c
index b99fbdb0..e6d81a87 100644
--- a/drivers/gpu/nvgpu/gk20a/mc_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/mc_gk20a.c
@@ -240,3 +240,14 @@ bool mc_gk20a_is_intr1_pending(struct gk20a *g,
 
         return is_pending;
 }
+
+void mc_gk20a_handle_intr_nonstall(struct gk20a *g, u32 ops)
+{
+        bool semaphore_wakeup, post_events;
+
+        semaphore_wakeup = ops & gk20a_nonstall_ops_wakeup_semaphore;
+        post_events = ops & gk20a_nonstall_ops_post_events;
+
+        if (semaphore_wakeup)
+                g->ops.semaphore_wakeup(g, post_events);
+}
diff --git a/drivers/gpu/nvgpu/gk20a/mc_gk20a.h b/drivers/gpu/nvgpu/gk20a/mc_gk20a.h
index 1bddab28..870a1d3f 100644
--- a/drivers/gpu/nvgpu/gk20a/mc_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/mc_gk20a.h
@@ -40,4 +40,5 @@ void gk20a_mc_reset(struct gk20a *g, u32 units);
 u32 gk20a_mc_boot_0(struct gk20a *g, u32 *arch, u32 *impl, u32 *rev);
 bool mc_gk20a_is_intr1_pending(struct gk20a *g,
                 enum nvgpu_unit unit, u32 mc_intr_1);
+void mc_gk20a_handle_intr_nonstall(struct gk20a *g, u32 ops);
 #endif