Update includes to L4T r32.7.4 and drop nvgpu/gk20a.h dependency

Also add instructions for updating `include/`. These files are now
only needed to build on Linux 4.9-based Tegra platforms.

1 files changed, 2 insertions, 2 deletions

diff --git a/include/clk/clk_arb.c b/include/clk/clk_arb.c
index 6cf005c..8e9fb41 100644
--- a/include/clk/clk_arb.c
+++ b/include/clk/clk_arb.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2018, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2016-2021, NVIDIA CORPORATION.  All rights reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -886,8 +886,8 @@ void nvgpu_clk_arb_free_session(struct nvgpu_ref *refcount)
         nvgpu_spinlock_acquire(&session->session_lock);
         nvgpu_list_for_each_entry_safe(dev, tmp, &session->targets,
                         nvgpu_clk_dev, node) {
-                nvgpu_ref_put(&dev->refcount, nvgpu_clk_arb_free_fd);
                 nvgpu_list_del(&dev->node);
+                nvgpu_ref_put(&dev->refcount, nvgpu_clk_arb_free_fd);
         }
         nvgpu_spinlock_release(&session->session_lock);