gpu: nvgpu: Introduce priv ring HAL and define ISR

Introduce a priv ring HAL and define ISR as the only function in it.
Introduce a gp10b version of the ISR that writes error message to
UART for every priv ring error, and leave the old chips with silent
error handling.

Bug 1846641

Change-Id: I73e38396205ac7bb7b8488b7fbca3ff67a3db3bb
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1473696
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gm20b/hal_gm20b.c b/drivers/gpu/nvgpu/gm20b/hal_gm20b.c
index 62cd6119..fbeed3c2 100644
--- a/drivers/gpu/nvgpu/gm20b/hal_gm20b.c
+++ b/drivers/gpu/nvgpu/gm20b/hal_gm20b.c
@@ -1,7 +1,7 @@
 /*
  * GM20B Graphics
  *
- * Copyright (c) 2014-2016, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2014-2017, 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,
@@ -18,6 +18,7 @@
 #include "gk20a/css_gr_gk20a.h"
 #include "gk20a/bus_gk20a.h"
 #include "gk20a/flcn_gk20a.h"
+#include "gk20a/priv_ring_gk20a.h"
 
 #include "ltc_gm20b.h"
 #include "ce2_gm20b.h"
@@ -218,6 +219,7 @@ int gm20b_init_hal(struct gk20a *g)
 #endif
         gk20a_init_bus(gops);
         gm20b_init_mc(gops);
+        gk20a_init_priv_ring(gops);
         gm20b_init_ltc(gops);
         gm20b_init_gr(gops);
         gm20b_init_ltc(gops);