gpu: nvgpu: Debug spew for context priority & Gfxp

Prints out Timeslice value, Interleave level, Graphics preemption
mode and compute preempt mode along with chid, tsgid, pid.

Enable it with setting dbg_mask with 8192

Bug 1855710

Change-Id: I60efef9810587f8fedd4e2ba62ba67d06d84faea
Signed-off-by: Mihir Thakkar <mthakkar@nvidia.com>
Reviewed-on: http://git-master/r/1287141
Reviewed-by: Alex Waterman <alexw@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gp10b/gr_gp10b.c b/drivers/gpu/nvgpu/gp10b/gr_gp10b.c
index 84482d68..e04aec7d 100644
--- a/drivers/gpu/nvgpu/gp10b/gr_gp10b.c
+++ b/drivers/gpu/nvgpu/gp10b/gr_gp10b.c
@@ -2098,6 +2098,14 @@ static int gr_gp10b_set_preemption_mode(struct channel_gk20a *ch,
                 return 0;
 
         if (g->ops.gr.set_ctxsw_preemption_mode) {
+
+                gk20a_dbg(gpu_dbg_sched, "chid=%d tsgid=%d pid=%d "
+                                "graphics_preempt=%d compute_preempt=%d",
+                                ch->hw_chid,
+                                ch->tsgid,
+                                ch->tgid,
+                                graphics_preempt_mode,
+                                compute_preempt_mode);
                 err = g->ops.gr.set_ctxsw_preemption_mode(g, gr_ctx, vm, class,
                                                 graphics_preempt_mode, compute_preempt_mode);
                 if (err) {