1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
index 805902eb..6c607ae2 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
@@ -578,7 +578,10 @@ unbind:
         if (ch->deterministic) {
                 nvgpu_rwsem_down_read(&g->deterministic_busy);
                 ch->deterministic = false;
-                gk20a_idle(g);
+                if (!ch->deterministic_railgate_allowed)
+                        gk20a_idle(g);
+                ch->deterministic_railgate_allowed = false;
+
                 nvgpu_rwsem_up_read(&g->deterministic_busy);
         }