gpu: nvgpu: Reload ZBC values on rail gate exit

When exiting rail gate, we reloaded default ZBC values. The correct
behavior is to reload the values.

Bug 1447255

Change-Id: I7aad3586dda91a91a3629062a27001af281b955e
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/418346

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gr_gk20a.h b/drivers/gpu/nvgpu/gk20a/gr_gk20a.h
index a9ec606f..9e0883d6 100644
--- a/drivers/gpu/nvgpu/gk20a/gr_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gr_gk20a.h
@@ -259,6 +259,7 @@ struct gr_gk20a {
 
         struct gr_zcull_gk20a zcull;
 
+        struct mutex zbc_lock;
         struct zbc_color_table zbc_col_tbl[GK20A_ZBC_TABLE_SIZE];
         struct zbc_depth_table zbc_dep_tbl[GK20A_ZBC_TABLE_SIZE];
 
@@ -345,7 +346,6 @@ int gr_gk20a_query_zbc(struct gk20a *g, struct gr_gk20a *gr,
                         struct zbc_query_params *query_params);
 int gk20a_gr_zbc_set_table(struct gk20a *g, struct gr_gk20a *gr,
                         struct zbc_entry *zbc_val);
-int gr_gk20a_clear_zbc_table(struct gk20a *g, struct gr_gk20a *gr);
 int gr_gk20a_load_zbc_default_table(struct gk20a *g, struct gr_gk20a *gr);
 
 /* pmu */