1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/os/linux/platform_gk20a.h b/drivers/gpu/nvgpu/os/linux/platform_gk20a.h
index f3e80b8c..b5beeefe 100644
--- a/drivers/gpu/nvgpu/os/linux/platform_gk20a.h
+++ b/drivers/gpu/nvgpu/os/linux/platform_gk20a.h
@@ -274,6 +274,9 @@ struct gk20a_platform {
 
         /* scaling rate */
         unsigned long cached_rate;
+
+        /* synchronized access to platform->clk_get_freqs */
+        struct nvgpu_mutex clk_get_freq_lock;
 };
 
 static inline struct gk20a_platform *gk20a_get_platform(