gpu: nvgpu: use time API in channel ref action debug

Save the time using nvgpu_current_time_ms() instead of the
Linux-specific jiffies counter.

Jira NVGPU-83

Change-Id: I19b4296d8b64ddf52506144e77d151f668ff7838
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/1503002
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 6 insertions, 6 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
index 645183ba..1caecf3d 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
@@ -627,8 +627,8 @@ static void gk20a_channel_dump_ref_actions(struct channel_gk20a *ch)
 {
 #if GK20A_CHANNEL_REFCOUNT_TRACKING
         size_t i, get;
-        unsigned long now = jiffies;
-        unsigned long prev_jiffies = 0;
+        s64 now = nvgpu_current_time_ms();
+        s64 prev = 0;
         struct device *dev = dev_from_gk20a(ch->g);
 
         nvgpu_spinlock_acquire(&ch->ref_actions_lock);
@@ -651,11 +651,11 @@ static void gk20a_channel_dump_ref_actions(struct channel_gk20a *ch)
                                 act->type == channel_gk20a_ref_action_get
                                         ? "GET" : "PUT",
                                 GK20A_CHANNEL_REFCOUNT_TRACKING - 1 - i,
-                                jiffies_to_msecs(now - act->jiffies),
-                                jiffies_to_msecs(act->jiffies - prev_jiffies));
+                                now - act->timestamp_ms,
+                                act->timestamp_ms - prev);
 
                         print_stack_trace(&act->trace, 0);
-                        prev_jiffies = act->jiffies;
+                        prev = act->timestamp_ms;
                 }
 
                 get = (get + 1) % GK20A_CHANNEL_REFCOUNT_TRACKING;
@@ -680,7 +680,7 @@ static void gk20a_channel_save_ref_source(struct channel_gk20a *ch,
         act->trace.skip = 3; /* onwards from the caller of this */
         act->trace.entries = act->trace_entries;
         save_stack_trace(&act->trace);
-        act->jiffies = jiffies;
+        act->timestamp_ms = nvgpu_current_time_ms();
         ch->ref_actions_put = (ch->ref_actions_put + 1) %
                 GK20A_CHANNEL_REFCOUNT_TRACKING;