1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c b/drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c
index 5ba9d25b..225b98e4 100644
--- a/drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c
+++ b/drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c
@@ -357,7 +357,7 @@ static void gm20b_tegra_postscale(struct device *dev, unsigned long freq)
                 emc_rate = tegra_bwmgr_get_max_emc_rate();
 
         emc_params->freq_last_set = emc_rate;
-        mutex_lock(&platform->railgate_lock);
+        nvgpu_mutex_acquire(&platform->railgate_lock);
         if (platform->is_railgated && !platform->is_railgated(dev))
                 goto done;
 
@@ -365,7 +365,7 @@ static void gm20b_tegra_postscale(struct device *dev, unsigned long freq)
                         TEGRA_BWMGR_SET_EMC_FLOOR);
 
 done:
-        mutex_unlock(&platform->railgate_lock);
+        nvgpu_mutex_release(&platform->railgate_lock);
 }
 
 #endif