gpu: nvgpu: drop user callback support in CE

Simplify the copyengine code by deleting support for the
ce_event_callback feature that has never been used. Similarly, create a
channel without the finish callback to get rid of that Linux dependency,
and delete the finish callback function as it now serves no purpose.

Delete also the submitted_seq_number and completed_seq_number fields
that are only written to.

Jira NVGPU-259

Change-Id: I02d15bdcb546f4dd8895a6bfb5130caf88a104e2
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1589320
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Alex Waterman <alexw@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/common/mm/mm.c b/drivers/gpu/nvgpu/common/mm/mm.c
index cb7c443d..73af31c9 100644
--- a/drivers/gpu/nvgpu/common/mm/mm.c
+++ b/drivers/gpu/nvgpu/common/mm/mm.c
@@ -259,12 +259,11 @@ void nvgpu_init_mm_ce_context(struct gk20a *g)
 #if defined(CONFIG_GK20A_VIDMEM)
         if (g->mm.vidmem.size && (g->mm.vidmem.ce_ctx_id == (u32)~0)) {
                 g->mm.vidmem.ce_ctx_id =
-                        gk20a_ce_create_context_with_cb(g,
+                        gk20a_ce_create_context(g,
                                 gk20a_fifo_get_fast_ce_runlist_id(g),
                                 -1,
                                 -1,
-                                -1,
-                                NULL);
+                                -1);
 
                 if (g->mm.vidmem.ce_ctx_id == (u32)~0)
                         nvgpu_err(g,