gpu: nvgpu: gp10b: support to remove bar2 vm

Implement function to support bar2 vm clean-up.

Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/814573

Change-Id: If5d884e4e1ed87bec6284719d90e9e1963c69bed
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/815428
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gp10b/mm_gp10b.c b/drivers/gpu/nvgpu/gp10b/mm_gp10b.c
index ae9c5c7e..d3297e31 100644
--- a/drivers/gpu/nvgpu/gp10b/mm_gp10b.c
+++ b/drivers/gpu/nvgpu/gp10b/mm_gp10b.c
@@ -368,6 +368,15 @@ static void gp10b_mm_init_pdb(struct gk20a *g, void *inst_ptr, u64 pdb_addr)
                 ram_in_page_dir_base_hi_f(pdb_addr_hi));
 }
 
+static void gp10b_remove_bar2_vm(struct gk20a *g)
+{
+        struct mm_gk20a *mm = &g->mm;
+
+        gp10b_replayable_pagefault_buffer_deinit(g);
+        gk20a_remove_vm(&mm->bar2.vm, &mm->bar2.inst_block);
+}
+
+
 void gp10b_init_mm(struct gpu_ops *gops)
 {
         gm20b_init_mm(gops);
@@ -378,4 +387,5 @@ void gp10b_init_mm(struct gpu_ops *gops)
         gops->mm.get_iova_addr = gp10b_mm_iova_addr;
         gops->mm.get_mmu_levels = gp10b_mm_get_mmu_levels;
         gops->mm.init_pdb = gp10b_mm_init_pdb;
+        gops->mm.remove_bar2_vm = gp10b_remove_bar2_vm;
 }