gpu: nvgpu: add support to remove bar2 mm

Adding support to remove bar2 mm on gpu module
remove.

Change-Id: Id5f680b1abf7056da9871d5460d9fbc40422673e
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/814571
(cherry picked from commit e7c6c87dd6b0893d26a9a3b4568121a691e1eb3c)
Reviewed-on: http://git-master/r/815429
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/mm_gk20a.h b/drivers/gpu/nvgpu/gk20a/mm_gk20a.h
index c60f1bb7..8f328696 100644
--- a/drivers/gpu/nvgpu/gk20a/mm_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/mm_gk20a.h
@@ -649,6 +649,8 @@ const struct gk20a_mmu_level *gk20a_mm_get_mmu_levels(struct gk20a *g,
                                                       u32 big_page_size);
 void gk20a_mm_init_pdb(struct gk20a *g, void *inst_ptr, u64 pdb_addr);
 
+void gk20a_remove_vm(struct vm_gk20a *vm, struct mem_desc *inst_block);
+
 extern const struct gk20a_mmu_level gk20a_mm_levels_64k[];
 extern const struct gk20a_mmu_level gk20a_mm_levels_128k[];