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, 2 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gr_gk20a.c b/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
index bfb11566..6e3ea00a 100644
--- a/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
@@ -4890,8 +4890,7 @@ static int gk20a_gr_handle_semaphore_pending(struct gk20a *g,
         struct fifo_gk20a *f = &g->fifo;
         struct channel_gk20a *ch = &f->channel[isr_data->chid];
 
-        gk20a_channel_event(ch);
-        wake_up(&ch->semaphore_wq);
+        gk20a_channel_post_event(ch);
 
         return 0;
 }