gpu: nvgpu: fix sched get_params for 0 timeslice

When the TSG is initialized, the timeslice is initially set to 0,
which is a flag for using the default timeslice.

The sched get_params ioctl was returning 0 in this case; instead,
call gk20a_tsg_get_timeslice() to get the correct value.

Bug 2818547

Change-Id: I29fde48240098074de12e9a9a3e347e4042a64e8
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2283962
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-by: Satish Arora <satisha@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/os/linux/sched.c b/drivers/gpu/nvgpu/os/linux/sched.c
index 2719429c..15cbf1ec 100644
--- a/drivers/gpu/nvgpu/os/linux/sched.c
+++ b/drivers/gpu/nvgpu/os/linux/sched.c
@@ -205,7 +205,7 @@ static int gk20a_sched_dev_ioctl_get_params(struct gk20a *g,
 
         arg->pid = tsg->tgid;   /* kernel tgid corresponds to user pid */
         arg->runlist_interleave = tsg->interleave_level;
-        arg->timeslice = tsg->timeslice_us;
+        arg->timeslice = gk20a_tsg_get_timeslice(tsg);
 
         arg->graphics_preempt_mode =
                 tsg->gr_ctx.graphics_preempt_mode;