gpu: nvgpu: Sem wakeup to post event

Add posting a channel event whenever we do a wakeup due to semaphore.

Change-Id: Id1765123de93bcbc0822af7926d7f4e9919ffe10
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/726420

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
index 328f49b1..dafed8f8 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
@@ -2109,6 +2109,7 @@ 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) {
+                        gk20a_channel_event(c);
                         wake_up_interruptible_all(&c->semaphore_wq);
                         gk20a_channel_update(c, 0);
                 }