1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
index 651ea08c..a9aec435 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
@@ -1994,8 +1994,10 @@ void gk20a_channel_semaphore_wakeup(struct gk20a *g)
 
         for (chid = 0; chid < f->num_channels; chid++) {
                 struct channel_gk20a *c = g->fifo.channel+chid;
-                if (c->in_use)
+                if (c->in_use) {
                         wake_up_interruptible_all(&c->semaphore_wq);
+                        gk20a_channel_update(c, 0);
+                }
         }
 }