gpu: nvgpu: remove submit lock

Remove submit lock since we have moved to use
more fine-grained locks

Remove API check_gp_put() since we cannot call
it in submit path due to latencies and we cannot
call it in gk20a_channel_clean_up_jobs() anymore
since it will fail there without the lock

Bug 200187553

Change-Id: I05b9fa95c9009000e13232d8fa567336eeee11c6
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1120411
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.h b/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
index 74c920e4..fbf1ad9e 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
@@ -120,7 +120,6 @@ struct channel_gk20a {
 
         struct list_head jobs;
         struct mutex jobs_lock;
-        struct mutex submit_lock;
 
         struct vm_gk20a *vm;