gpu: nvgpu: set low_hole to 64K for bar1 vm

The patch sets low_hole value to 64K for bar1 vm to
align to potential 64KB native page size.

JIRA NVGPU-454

Change-Id: I994dfd6824d3a2e8a09433798bb101af88ecb5ca
Signed-off-by: Sourab Gupta <sourabg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1617173
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/common/mm/mm.c b/drivers/gpu/nvgpu/common/mm/mm.c
index 54bc17dd..3c083ab8 100644
--- a/drivers/gpu/nvgpu/common/mm/mm.c
+++ b/drivers/gpu/nvgpu/common/mm/mm.c
@@ -308,8 +308,8 @@ static int nvgpu_init_bar1_vm(struct mm_gk20a *mm)
         nvgpu_log_info(g, "bar1 vm size = 0x%x", mm->bar1.aperture_size);
         mm->bar1.vm = nvgpu_vm_init(g,
                                     big_page_size,
-                                    SZ_4K,
-                                    mm->bar1.aperture_size - SZ_4K,
+                                    SZ_64K,
+                                    mm->bar1.aperture_size - SZ_64K,
                                     mm->bar1.aperture_size,
                                     true, false,
                                     "bar1");