gpu: nvgpu: API to post channel events

Add new API gk20a_channel_post_event() which adds
channel event and also calls wake_up() for channel's
semaphore wq

Bug 200156699

Change-Id: If56f1bf8edcce79c9248809f8476ed853b7d2d9d
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/927132
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-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 4f0632dd..24a2fe11 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
@@ -223,6 +223,7 @@ struct channel_gk20a *gk20a_get_channel_from_file(int fd);
 void gk20a_channel_update(struct channel_gk20a *c, int nr_completed);
 unsigned int gk20a_channel_poll(struct file *filep, poll_table *wait);
 void gk20a_channel_event(struct channel_gk20a *ch);
+void gk20a_channel_post_event(struct channel_gk20a *ch);
 
 void gk20a_init_channel(struct gpu_ops *gops);