gpu: nvgpu: delete unused job->pre_fence

The pre_fence member in channel_gk20a_job is no longer used for
anything. Delete it. Only the post fence needs to be tracked.

Jira NVGPU-527
Jira NVGPU-528
Bug 200390539

Change-Id: Ia1a556728dabf9a8e305ed76020ac1aa0b4d6b88
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1676735
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Deepak Nibade <dnibade@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, 2 insertions, 3 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
index fb7406da..78953558 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
@@ -1924,9 +1924,8 @@ void gk20a_channel_clean_up_jobs(struct channel_gk20a *c,
                 channel_gk20a_joblist_delete(c, job);
                 channel_gk20a_joblist_unlock(c);
 
-                /* Close the fences (this will unref the semaphores and release
-                 * them to the pool). */
-                gk20a_fence_put(job->pre_fence);
+                /* Close the fence (this will unref the semaphore and release
+                 * it to the pool). */
                 gk20a_fence_put(job->post_fence);
 
                 /* Free the private command buffers (wait_cmd first and