gpu: nvgpu: gp10b: add debug features for gfxp and cilp

Add debugfs switch to force cilp and gfx preemption
Add debugfs switch to dump context switch stats on channel
destruction.

bug 1525327
bug 1581799

Signed-off-by: Kirill Artamonov <kartamonov@nvidia.com>
Change-Id: I7d0558cc325ce655411388ea66ad982101f2fe66
Reviewed-on: http://git-master/r/794976
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/677231

1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gp10b/gr_gp10b.h b/drivers/gpu/nvgpu/gp10b/gr_gp10b.h
index 7c3ddf27..370e0ea3 100644
--- a/drivers/gpu/nvgpu/gp10b/gr_gp10b.h
+++ b/drivers/gpu/nvgpu/gp10b/gr_gp10b.h
@@ -1,7 +1,7 @@
 /*
  * GM20B GPU GR
  *
- * Copyright (c) 2014, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2015, NVIDIA CORPORATION.  All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
@@ -36,6 +36,12 @@ void gp10b_init_gr(struct gpu_ops *ops);
 struct gr_t18x {
         struct {
                 u32 preempt_image_size;
+                u32 force_preemption_gfxp;
+                u32 force_preemption_cilp;
+                u32 dump_ctxsw_stats_on_channel_close;
+                struct dentry *debugfs_force_preemption_cilp;
+                struct dentry *debugfs_force_preemption_gfxp;
+                struct dentry *debugfs_dump_ctxsw_stats;
         } ctx_vars;
 };