1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.h b/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
index 3e18e053..794d8228 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
@@ -166,6 +166,7 @@ struct channel_gk20a {
         struct nvgpu_notification *error_notifier;
         void *error_notifier_va;
 
+        struct mutex sync_lock;
         struct gk20a_channel_sync *sync;
 
 #ifdef CONFIG_TEGRA_GR_VIRTUALIZATION