gpu: nvgpu: ce: drop prefence support

Delete the gk20a_fence_in argument in gk20a_ce_execute_ops. It has never
been used and is in the way of some upcoming code cleanup.

NVGPU-43

Change-Id: Ie61e1a2f4945b1e34d64880044c265d26fa822d7
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1646036
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, 1 insertions, 12 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/ce2.c b/drivers/gpu/nvgpu/common/linux/ce2.c
index f172cede..97dc6678 100644
--- a/drivers/gpu/nvgpu/common/linux/ce2.c
+++ b/drivers/gpu/nvgpu/common/linux/ce2.c
@@ -43,7 +43,6 @@ int gk20a_ce_execute_ops(struct gk20a *g,
                 unsigned int payload,
                 int launch_flags,
                 int request_operation,
-                struct gk20a_fence *gk20a_fence_in,
                 u32 submit_flags,
                 struct gk20a_fence **gk20a_fence_out)
 {
@@ -135,19 +134,9 @@ int gk20a_ce_execute_ops(struct gk20a *g,
                                         payload,
                                         gk20a_get_valid_launch_flags(g, launch_flags),
                                         request_operation,
-                                        dma_copy_class,
-                                        gk20a_fence_in);
+                                        dma_copy_class);
 
         if (methodSize) {
-                /* TODO: Remove CPU pre-fence wait */
-                if (gk20a_fence_in) {
-                        ret = gk20a_fence_wait(g, gk20a_fence_in,
-                                               gk20a_get_gr_idle_timeout(g));
-                        gk20a_fence_put(gk20a_fence_in);
-                        if (ret)
-                                goto noop;
-                }
-
                 /* store the element into gpfifo */
                 gpfifo.entry0 =
                         u64_lo32(cmd_buf_gpu_va);