gpu: nvgpu: export gk20a_free_priv_cmdbuf

Export gk20a_free_priv_cmdbuf() so that the channel_sync_gk20a.c code
can call this function. This is necessary for error paths in the
semaphore wait/incr functions.

Bug 1732449
JIRA DNVGPU-12

Change-Id: Id2ea13e5553d50475ee1bbf94781e18590321fdf
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1162686
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.h b/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
index d8528984..f60bbda4 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
@@ -222,6 +222,7 @@ 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);
+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);
 int gk20a_disable_channel_tsg(struct gk20a *g, struct channel_gk20a *ch);