1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/platform_gk20a.h b/drivers/gpu/nvgpu/gk20a/platform_gk20a.h
index d9d86b63..49f386d8 100644
--- a/drivers/gpu/nvgpu/gk20a/platform_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/platform_gk20a.h
@@ -88,6 +88,9 @@ struct gk20a_platform {
         /* Called to turn on the device */
         int (*unrailgate)(struct platform_device *dev);
 
+        /* Called to check state of device */
+        bool (*is_railgated)(struct platform_device *dev);
+
         /* Postscale callback is called after frequency change */
         void (*postscale)(struct platform_device *pdev,
                           unsigned long freq);