gpu: nvgpu: use nvgpu_current_time_ns in submit profiling

Replace Linux-specific and dubious sched_clock() with common
nvgpu_current_time_ns(). sched_clock() used also nanoseconds.

Jira NVGPU-708

Change-Id: I70f992fe42cc9c3ffed374fdebd582867475e84f
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1723202
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/ioctl_channel.c b/drivers/gpu/nvgpu/common/linux/ioctl_channel.c
index 057c81e2..f93412c3 100644
--- a/drivers/gpu/nvgpu/common/linux/ioctl_channel.c
+++ b/drivers/gpu/nvgpu/common/linux/ioctl_channel.c
@@ -784,7 +784,7 @@ static int gk20a_ioctl_channel_submit_gpfifo(
         profile = gk20a_fifo_profile_acquire(ch->g);
 
         if (profile)
-                profile->timestamp[PROFILE_IOCTL_ENTRY] = sched_clock();
+                profile->timestamp[PROFILE_IOCTL_ENTRY] = nvgpu_current_time_ns();
 #endif
         if (ch->has_timedout)
                 return -ETIMEDOUT;
@@ -827,7 +827,7 @@ static int gk20a_ioctl_channel_submit_gpfifo(
         gk20a_fence_put(fence_out);
 #ifdef CONFIG_DEBUG_FS
         if (profile) {
-                profile->timestamp[PROFILE_IOCTL_EXIT] = sched_clock();
+                profile->timestamp[PROFILE_IOCTL_EXIT] = nvgpu_current_time_ns();
                 gk20a_fifo_profile_release(ch->g, profile);
         }
 #endif