gpu: nvgpu: use inplace allocation in sync framework

This change is the first of a series of changes to
support the usage of pre-allocated job tracking resources
in the submit path. With this change, we still maintain a
dynamically-allocated joblist, but make the necessary changes
in the channel_sync & fence framework to use in-place
allocations. Specifically, we:

1) Update channel sync framework routines to take in
pre-allocated priv_cmd_entry(s) & gk20a_fence(s) rather
than dynamically allocating themselves

2) Move allocation of priv_cmd_entry(s) & gk20a_fence(s)
to gk20a_submit_prepare_syncs

3) Modify fence framework to have seperate allocation
and init APIs. We expose allocation as a seperate API, so
the client can allocate the object before passing it into
the channel sync framework.

4) Fix clean_up logic in channel sync framework

Bug 1795076

Change-Id: I96db457683cd207fd029c31c45f548f98055e844
Signed-off-by: Sachit Kadle <skadle@nvidia.com>
Reviewed-on: http://git-master/r/1206725
(cherry picked from commit 9d196fd10db6c2f934c2a53b1fc0500eb4626624)
Reviewed-on: http://git-master/r/1223933
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.h b/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
index f6571b6f..0d8746b8 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
@@ -218,7 +218,7 @@ void gk20a_channel_abort_clean_up(struct channel_gk20a *ch);
 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,
-                             struct priv_cmd_entry **entry);
+                             struct priv_cmd_entry *entry);
 int gk20a_free_priv_cmdbuf(struct channel_gk20a *c, struct priv_cmd_entry *e);
 
 int gk20a_enable_channel_tsg(struct gk20a *g, struct channel_gk20a *ch);