gpu: nvgpu: add sched control API

Added a dedicated device node to allow an
app manager to control TSG scheduling parameters:
- Get list of TSGs
- Get list of recent TSGs
- Get list of TSGs per pid
- Get TSG current scheduling parameters
- Set TSG timeslice
- Set TSG runlist interleave

Jira VFND-1586

Change-Id: I014c9d1534bce0eaea6c25ad114cf0cff317af79
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: http://git-master/r/1160384
(cherry picked from commit 75ca739517cc7f7f76714b5f6a1a57c39b8cb38e)
Reviewed-on: http://git-master/r/1167021
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/vgpu.c b/drivers/gpu/nvgpu/vgpu/vgpu.c
index dc7c4320..a00d52de 100644
--- a/drivers/gpu/nvgpu/vgpu/vgpu.c
+++ b/drivers/gpu/nvgpu/vgpu/vgpu.c
@@ -427,6 +427,7 @@ int vgpu_pm_finalize_poweron(struct device *dev)
         }
 
         gk20a_ctxsw_trace_init(g);
+        gk20a_sched_ctrl_init(g);
         gk20a_channel_resume(g);
 
 done:
@@ -600,6 +601,7 @@ int vgpu_remove(struct platform_device *pdev)
                 g->remove_support(dev);
 
         vgpu_comm_deinit();
+        gk20a_sched_ctrl_cleanup(g);
         gk20a_user_deinit(dev, &nvgpu_class);
         gk20a_get_platform(dev)->g = NULL;
         kfree(g);