gpu: nvgpu: vgpu: T18x support

Add vgpu framework and build for T18x.

Bug 1677153
JIRA VFND-693

Change-Id: Icf9fd8e0b5769228aee59c54f9b000b992e5fcca
Signed-off-by: Aingara Paramakuru <aparamakuru@nvidia.com>
Reviewed-on: http://git-master/r/792559
Reviewed-on: http://git-master/r/806178
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 12 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/mm_vgpu.c b/drivers/gpu/nvgpu/vgpu/mm_vgpu.c
index 2b23c4e6..b5846043 100644
--- a/drivers/gpu/nvgpu/vgpu/mm_vgpu.c
+++ b/drivers/gpu/nvgpu/vgpu/mm_vgpu.c
@@ -53,9 +53,18 @@ static int vgpu_init_mm_setup_sw(struct gk20a *g)
 
 int vgpu_init_mm_support(struct gk20a *g)
 {
+        int err;
+
         gk20a_dbg_fn("");
 
-        return vgpu_init_mm_setup_sw(g);
+        err = vgpu_init_mm_setup_sw(g);
+        if (err)
+                return err;
+
+        if (g->ops.mm.init_mm_setup_hw)
+                err = g->ops.mm.init_mm_setup_hw(g);
+
+        return err;
 }
 
 static u64 vgpu_locked_gmmu_map(struct vm_gk20a *vm,
@@ -275,7 +284,7 @@ static int vgpu_vm_alloc_share(struct gk20a_as_share *as_share,
         for (i = 0; i < gmmu_nr_page_sizes; i++)
                 vm->gmmu_page_sizes[i] = gmmu_page_sizes[i];
 
-        vm->big_pages = true;
+        vm->big_pages = !mm->disable_bigpage;
         vm->big_page_size = big_page_size;
 
         vm->va_start  = big_page_size << 10;   /* create a one pde hole */
@@ -450,4 +459,5 @@ void vgpu_init_mm_ops(struct gpu_ops *gops)
         gops->mm.tlb_invalidate = vgpu_mm_tlb_invalidate;
         gops->mm.get_physical_addr_bits = gk20a_mm_get_physical_addr_bits;
         gops->mm.get_iova_addr = gk20a_mm_iova_addr;
+        gops->mm.init_mm_setup_hw = NULL;
 }