gpu: nvgpu: Add rail gating trace events

Change-Id: I661f14b2858fb7bc993157a597d4a278859da837
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/418789
Reviewed-by: Automatic_Commit_Validation_User

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.c b/drivers/gpu/nvgpu/gk20a/gk20a.c
index b9cba434..e303dcd6 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.c
@@ -805,6 +805,8 @@ static int gk20a_pm_finalize_poweron(struct device *dev)
         if (g->power_on)
                 return 0;
 
+        trace_gk20a_finalize_poweron(dev_name(dev));
+
         nice_value = task_nice(current);
         set_user_nice(current, -20);
 
@@ -915,6 +917,8 @@ static int gk20a_pm_finalize_poweron(struct device *dev)
         gk20a_channel_resume(g);
         set_user_nice(current, nice_value);
 
+        trace_gk20a_finalize_poweron_done(dev_name(dev));
+
 done:
         return err;
 }
@@ -1213,6 +1217,8 @@ static int gk20a_pm_unrailgate(struct generic_pm_domain *domain)
         struct gk20a *g = container_of(domain, struct gk20a, pd);
         struct gk20a_platform *platform = platform_get_drvdata(g->dev);
 
+        trace_gk20a_pm_unrailgate(dev_name(&g->dev->dev));
+
         return _gk20a_pm_unrailgate(platform->g->dev);
 }