gpu: nvgpu: use os agnostic api for retrieving timestamp

currently clk arbiter is using the Linux specific
sched_clock() api for retrieving current timestamp.
Instead use the OS agnostic nvgpu_hr_timestamp().

Jira VQRM-3741

Change-Id: I315ca16327b30db06c39046af1eb05249d1a97ca
Signed-off-by: Sourab Gupta <sourabg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1709654
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/clk/clk_arb.c b/drivers/gpu/nvgpu/clk/clk_arb.c
index 8b499b16..456246bf 100644
--- a/drivers/gpu/nvgpu/clk/clk_arb.c
+++ b/drivers/gpu/nvgpu/clk/clk_arb.c
@@ -70,7 +70,7 @@ static void nvgpu_clk_arb_queue_notification(struct gk20a *g,
 
         queue_index = (nvgpu_atomic_inc_return(&queue->tail)) % queue->size;
         /* get current timestamp */
-        timestamp = (u64) sched_clock();
+        timestamp = (u64) nvgpu_hr_timestamp();
 
         queue->notifications[queue_index].timestamp = timestamp;
         queue->notifications[queue_index].notification = alarm_mask;