gpu: nvgpu: post BPT_INT/PAUSE and BLOCKING_SYNC events

Post EVENT_ID_BPT_INT when bpt.int is pending
Post EVENT_ID_BPT_PAUSE when bpt.pause is pending
Post EVENT_ID_BLOCKING_SYNC whenever there is
non-stalling semaphore interrupt indicating work
completion from GR/CE2 engine

Bug 200089620

Change-Id: I91b7bf48f8585f0d318298fc0c4a66d42055f0a7
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1112274
(cherry picked from commit d2b744b1f9acac56435cd7e7ab9a7a845579ef24)
Reviewed-on: http://git-master/r/1120321
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 13 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
index 468ee7f1..da73d95d 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
@@ -2831,7 +2831,7 @@ int gk20a_channel_resume(struct gk20a *g)
         return 0;
 }
 
-void gk20a_channel_semaphore_wakeup(struct gk20a *g)
+void gk20a_channel_semaphore_wakeup(struct gk20a *g, bool post_events)
 {
         struct fifo_gk20a *f = &g->fifo;
         u32 chid;
@@ -2842,6 +2842,18 @@ void gk20a_channel_semaphore_wakeup(struct gk20a *g)
                 struct channel_gk20a *c = g->fifo.channel+chid;
                 if (gk20a_channel_get(c)) {
                         wake_up_interruptible_all(&c->semaphore_wq);
+                        if (post_events) {
+                                if (gk20a_is_channel_marked_as_tsg(c)) {
+                                        struct tsg_gk20a *tsg =
+                                                &g->fifo.tsg[c->tsgid];
+
+                                        gk20a_tsg_event_id_post_event(tsg,
+                                            NVGPU_IOCTL_CHANNEL_EVENT_ID_BLOCKING_SYNC);
+                                } else {
+                                        gk20a_channel_event_id_post_event(c,
+                                            NVGPU_IOCTL_CHANNEL_EVENT_ID_BLOCKING_SYNC);
+                                }
+                        }
                         gk20a_channel_update(c, 0);
                         gk20a_channel_put(c);
                 }