gpu: nvgpu: remove fence param from channel_sync

The fence parameter that gets output from gk20a_channel_sync's wait()
and wait_fd() APIs is no longer used for anything. Delete it.

Jira NVGPU-527
Jira NVGPU-528
Bug 200390539

Change-Id: I659504062dc6aee83a0a0d9f5625372b4ae8c0e2
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1676734
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
GVS: Gerrit_Virtual_Submit
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, 4 insertions, 12 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_sync_gk20a.h b/drivers/gpu/nvgpu/gk20a/channel_sync_gk20a.h
index dd0213dc..3f44b27a 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_sync_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/channel_sync_gk20a.h
@@ -37,24 +37,16 @@ struct gk20a_channel_sync {
         nvgpu_atomic_t refcount;
 
         /* Generate a gpu wait cmdbuf from syncpoint.
-         * Returns
-         *  - a gpu cmdbuf that performs the wait when executed,
-         *  - possibly a helper fence that the caller must hold until the
-         *    cmdbuf is executed.
+         * Returns a gpu cmdbuf that performs the wait when executed
          */
         int (*wait_syncpt)(struct gk20a_channel_sync *s, u32 id, u32 thresh,
-                           struct priv_cmd_entry *entry,
-                           struct gk20a_fence *fence);
+                           struct priv_cmd_entry *entry);
 
         /* Generate a gpu wait cmdbuf from sync fd.
-         * Returns
-         *  - a gpu cmdbuf that performs the wait when executed,
-         *  - possibly a helper fence that the caller must hold until the
-         *    cmdbuf is executed.
+         * Returns a gpu cmdbuf that performs the wait when executed
          */
         int (*wait_fd)(struct gk20a_channel_sync *s, int fd,
-                       struct priv_cmd_entry *entry,
-                       struct gk20a_fence *fence);
+                       struct priv_cmd_entry *entry);
 
         /* Increment syncpoint/semaphore.
          * Returns