gpu: nvgpu: add fecs flag in poweron

Nvgpu flags will miss fecs when nvgpu poweron. We have to add this
fecs in flag when we are seeing trace was initialized before.

Bug 2629615

Change-Id: I7815af7bf66a7a103a14cd375a3fd394243035b1
Signed-off-by: Jeremy Ho <jeremyh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2279244
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/os/linux/ctxsw_trace.c b/drivers/gpu/nvgpu/os/linux/ctxsw_trace.c
index f5e53967..05e6ef09 100644
--- a/drivers/gpu/nvgpu/os/linux/ctxsw_trace.c
+++ b/drivers/gpu/nvgpu/os/linux/ctxsw_trace.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2018, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2016-2020, NVIDIA CORPORATION.  All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
@@ -556,8 +556,10 @@ int gk20a_ctxsw_trace_init(struct gk20a *g)
         if (!g->ops.fecs_trace.init)
                 return 0;
 
-        if (likely(trace))
+        if (likely(trace)) {
+                __nvgpu_set_enabled(g, NVGPU_SUPPORT_FECS_CTXSW_TRACE, true);
                 return 0;
+        }
 
         trace = nvgpu_kzalloc(g, sizeof(*trace));
         if (unlikely(!trace))