gpu: nvgpu: remove last_submit tracking

We previously used to wait on the last_submit fence
before disabling a channel. Since this part of the
code is no longer exercised, we can remove this
tracking.

Bug 1795076

Change-Id: I54ba2ebaf48772aa775654c0fb4ab614a7167969
Signed-off-by: Sachit Kadle <skadle@nvidia.com>
Reviewed-on: http://git-master/r/1206585
Reviewed-by: Automatic_Commit_Validation_User
(cherry picked from commit e4e236f2b487b8cfa31f7afd29fad3c97de5f844)
Reviewed-on: http://git-master/r/1209166
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 0 insertions, 8 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.h b/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
index 9b909962..a44321bc 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
@@ -152,13 +152,6 @@ struct channel_gk20a {
         struct channel_gk20a_timeout timeout;
         struct channel_gk20a_clean_up clean_up;
 
-        bool cmds_pending;
-        struct {
-                struct gk20a_fence *pre_fence;
-                struct gk20a_fence *post_fence;
-                struct mutex fence_lock;
-        } last_submit;
-
 #if defined(CONFIG_GK20A_CYCLE_STATS)
         struct {
         void *cyclestate_buffer;
@@ -221,7 +214,6 @@ bool gk20a_channel_update_and_check_timeout(struct channel_gk20a *ch,
 void gk20a_disable_channel(struct channel_gk20a *ch);
 void gk20a_channel_abort(struct channel_gk20a *ch, bool channel_preempt);
 void gk20a_channel_abort_clean_up(struct channel_gk20a *ch);
-int gk20a_channel_finish(struct channel_gk20a *ch, unsigned long timeout);
 void gk20a_set_error_notifier(struct channel_gk20a *ch, __u32 error);
 void gk20a_channel_semaphore_wakeup(struct gk20a *g, bool post_events);
 int gk20a_channel_alloc_priv_cmdbuf(struct channel_gk20a *c, u32 size,