gpu: nvgpu: add bar2 memory descriptor

Save bar2 memory descriptor in mm data structure.

Bug 1587825

Change-Id: I3063c3e28a4e583c2d2c099402077d2d25fc6e68
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/682101
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/mm_gk20a.h b/drivers/gpu/nvgpu/gk20a/mm_gk20a.h
index b8778024..99f49aa8 100644
--- a/drivers/gpu/nvgpu/gk20a/mm_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/mm_gk20a.h
@@ -357,7 +357,9 @@ struct mm_gk20a {
 
 
         struct mutex l2_op_lock;
-
+#ifdef CONFIG_ARCH_TEGRA_18x_SOC
+        struct mem_desc bar2_desc;
+#endif
         void (*remove_support)(struct mm_gk20a *mm);
         bool sw_ready;
         int physical_bits;