gpu: nvgpu: support preprocessing of SM exceptions

Support preprocessing of SM exceptions if API
pointer pre_process_sm_exception() is defined

Also, expose some common APIs

Bug 200156699

Change-Id: I1303642c1c4403c520b62efb6fd83e95eaeb519b
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/925883
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.h b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.h
index 6ba4153b..5305d007 100644
--- a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.h
@@ -3,7 +3,7 @@
  *
  * GK20A graphics fifo (gr host)
  *
- * Copyright (c) 2011-2015, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2011-2016, 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,
@@ -194,4 +194,6 @@ void gk20a_fifo_abort_tsg(struct gk20a *g, u32 tsgid);
 bool gk20a_fifo_set_ctx_mmu_error_ch(struct gk20a *g,
                 struct channel_gk20a *ch);
 
+struct channel_gk20a *gk20a_fifo_channel_from_hw_chid(struct gk20a *g,
+                u32 hw_chid);
 #endif /*__GR_GK20A_H__*/