gpu: nvgpu: move cg_enable after pmu_init is complete

This patch help resolve the boot time failures happening with
pmu_exterr for porg. cg_enable can race with pmu_init thread,
cg_enable is moved post pmu init thread to avoid the above race.

Bug 200565050

Change-Id: I2192053eff8767847ea012ca20b3607d2f6cd26f
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2239959
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/power_features/cg.h b/drivers/gpu/nvgpu/include/nvgpu/power_features/cg.h
index 7b5fe265..e2395176 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/power_features/cg.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/power_features/cg.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2019-2020, 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"),
@@ -35,6 +35,8 @@ void nvgpu_cg_elcg_disable(struct gk20a *g);
 void nvgpu_cg_elcg_enable_no_wait(struct gk20a *g);
 void nvgpu_cg_elcg_disable_no_wait(struct gk20a *g);
 void nvgpu_cg_elcg_set_elcg_enabled(struct gk20a *g, bool enable);
+void nvgpu_cg_blcg_disable_no_wait(struct gk20a *g);
+void nvgpu_cg_blcg_enable_no_wait(struct gk20a *g);
 
 void nvgpu_cg_blcg_mode_enable(struct gk20a *g);
 void nvgpu_cg_blcg_mode_disable(struct gk20a *g);