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>

2 files changed, 13 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
index 2f71e13a..793c97c3 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
@@ -777,6 +777,8 @@ int gk20a_channel_set_runlist_interleave(struct channel_gk20a *ch,
                 break;
         }
 
+        gk20a_dbg(gpu_dbg_sched, "chid=%u interleave=%u", ch->hw_chid, level);
+
         return ret ? ret : g->ops.fifo.update_runlist(g, ch->runlist_id, ~0, true, true);
 }
 
@@ -3360,6 +3362,9 @@ int gk20a_channel_set_timeslice(struct channel_gk20a *ch, u32 timeslice)
 
         ch->timeslice_us = timeslice;
 
+        gk20a_dbg(gpu_dbg_sched, "chid=%u timeslice=%u us",
+                         ch->hw_chid, timeslice);
+
         return channel_gk20a_set_schedule_params(ch);
 }
 
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) {