gpu: nvgpu: let gk20a_fifo_preempt call gops callbacks

It fixed vgpu regression that vgpu tried to call native
channel preemption function.

Bug 1617046

Change-Id: Ia5a5486d8b95a34ca6ecc75f8d3b5fea76919405
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/935897
Tested-by: Damian Halas <dhalas@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vladislav Buzov <vbuzov@nvidia.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
index 6b5807aa..42e48901 100644
--- a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
@@ -1942,7 +1942,7 @@ int gk20a_fifo_preempt(struct gk20a *g, struct channel_gk20a *ch)
         if (gk20a_is_channel_marked_as_tsg(ch))
                 err = gk20a_fifo_preempt_tsg(ch->g, ch->tsgid);
         else
-                err = gk20a_fifo_preempt_channel(ch->g, ch->hw_chid);
+                err = g->ops.fifo.preempt_channel(ch->g, ch->hw_chid);
 
         return err;
 }