gpu: nvgpu: vgpu: add channel_set_priority support

- add gops.fifo.channel_set_priority and move current code
  as native callback.
- implement the callback for vgpu

Bug 1701079

Change-Id: If1cd13ea4478d11d578da2f682598e0c4522bcaf
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/932829
Reviewed-by: Aingara Paramakuru <aparamakuru@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
index 45501d4f..5e5bbcb0 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
@@ -2539,8 +2539,7 @@ unsigned int gk20a_channel_poll(struct file *filep, poll_table *wait)
         return mask;
 }
 
-static int gk20a_channel_set_priority(struct channel_gk20a *ch,
-                u32 priority)
+int gk20a_channel_set_priority(struct channel_gk20a *ch, u32 priority)
 {
         u32 timeslice_timeout;
         bool interleave = false;
@@ -2723,6 +2722,7 @@ void gk20a_init_channel(struct gpu_ops *gops)
         gops->fifo.alloc_inst = channel_gk20a_alloc_inst;
         gops->fifo.free_inst = channel_gk20a_free_inst;
         gops->fifo.setup_ramfc = channel_gk20a_setup_ramfc;
+        gops->fifo.channel_set_priority = gk20a_channel_set_priority;
 }
 
 long gk20a_channel_ioctl(struct file *filp,
@@ -2897,7 +2897,7 @@ long gk20a_channel_ioctl(struct file *filp,
                                 __func__, cmd);
                         break;
                 }
-                err = gk20a_channel_set_priority(ch,
+                err = ch->g->ops.fifo.channel_set_priority(ch,
                         ((struct nvgpu_set_priority_args *)buf)->priority);
                 gk20a_idle(dev);
                 break;