gpu: nvgpu: TLB invalidate after map/unmap

Always invalidate TLB after mapping or unmapping, and remove the
delayed TLB invalidate.

Change-Id: I6df3c5c1fcca59f0f9e3f911168cb2f913c42815
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/696413
Reviewed-by: Automatic_Commit_Validation_User

1 files changed, 0 insertions, 7 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
index d61656fc..a32496a2 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
@@ -1589,13 +1589,6 @@ int gk20a_submit_channel_gpfifo(struct channel_gk20a *c,
         gk20a_dbg_info("pre-submit put %d, get %d, size %d",
                 c->gpfifo.put, c->gpfifo.get, c->gpfifo.entry_num);
 
-        /* Invalidate tlb if it's dirty...                                   */
-        /* TBD: this should be done in the cmd stream, not with PRIs.        */
-        /* We don't know what context is currently running...                */
-        /* Note also: there can be more than one context associated with the */
-        /* address space (vm).   */
-        g->ops.mm.tlb_invalidate(c->vm);
-
         /* Make sure we have enough space for gpfifo entries. If not,
          * wait for signals from completed submits */
         if (gp_free_count(c) < num_entries + extra_entries) {