gpu: nvgpu: create a hal function for smpc war

Create a HAL function for applying the SMPC workaround.The workaround
is only needed on gk20a, and not on gm20b.

Change-Id: I9edc741df32ab7d1dad38ecc56f238828128bfef
Signed-off-by: Mayank Kaushik <mkaushik@nvidia.com>
Reviewed-on: http://git-master/r/539187
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gm20b/regops_gm20b.c b/drivers/gpu/nvgpu/gm20b/regops_gm20b.c
index b7cc0aaa..71ccda37 100644
--- a/drivers/gpu/nvgpu/gm20b/regops_gm20b.c
+++ b/drivers/gpu/nvgpu/gm20b/regops_gm20b.c
@@ -494,6 +494,12 @@ int gm20b_get_qctl_whitelist_ranges_count(void)
         return gm20b_qctl_whitelist_ranges_count;
 }
 
+int gm20b_apply_smpc_war(struct dbg_session_gk20a *dbg_s)
+{
+        /* Not needed on gm20b */
+        return 0;
+}
+
 void gm20b_init_regops(struct gpu_ops *gops)
 {
         gops->regops.get_global_whitelist_ranges =
@@ -525,4 +531,7 @@ void gm20b_init_regops(struct gpu_ops *gops)
                 gm20b_get_qctl_whitelist_ranges;
         gops->regops.get_qctl_whitelist_ranges_count =
                 gm20b_get_qctl_whitelist_ranges_count;
+
+        gops->regops.apply_smpc_war =
+                gm20b_apply_smpc_war;
 }