1 files changed, 15 insertions, 7 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
index a5243834..02ec5835 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
@@ -2519,18 +2519,25 @@ static unsigned int gk20a_event_id_poll(struct file *filep, poll_table *wait)
         if (event_id_data->is_tsg) {
                 struct tsg_gk20a *tsg = g->fifo.tsg + event_id_data->id;
 
-                gk20a_dbg_info(
-                        "found pending event_id=%d on TSG=%d\n",
-                        event_id, tsg->tsgid);
+                if (event_id_data->event_posted) {
+                        gk20a_dbg_info(
+                                "found pending event_id=%d on TSG=%d\n",
+                                event_id, tsg->tsgid);
+                        mask = (POLLPRI | POLLIN);
+                        event_id_data->event_posted = false;
+                }
         } else {
                 struct channel_gk20a *ch = g->fifo.channel
                                            + event_id_data->id;
 
-                gk20a_dbg_info(
-                        "found pending event_id=%d on chid=%d\n",
-                        event_id, ch->hw_chid);
+                if (event_id_data->event_posted) {
+                        gk20a_dbg_info(
+                                "found pending event_id=%d on chid=%d\n",
+                                event_id, ch->hw_chid);
+                        mask = (POLLPRI | POLLIN);
+                        event_id_data->event_posted = false;
+                }
         }
-        mask = (POLLPRI | POLLIN);
 
         mutex_unlock(&event_id_data->lock);
 
@@ -2609,6 +2616,7 @@ void gk20a_channel_event_id_post_event(struct channel_gk20a *ch,
         gk20a_dbg_info(
                 "posting event for event_id=%d on ch=%d\n",
                 event_id, ch->hw_chid);
+        event_id_data->event_posted = true;
 
         wake_up_interruptible_all(&event_id_data->event_id_wq);