gpu: nvgpu: Remove global debugfs variable

Remove a global debugfs variable and instead save the allocator
debugfs root node in the gk20a struct.

Bug 1799159

Change-Id: If4eed34fa24775e962001e34840b334658f2321c
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1225611
(cherry picked from commit 1908fde10bb1fb60ce898ea329f5a441a3e4297a)
Reviewed-on: http://git-master/r/1242390
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/mm_vgpu.c b/drivers/gpu/nvgpu/vgpu/mm_vgpu.c
index b256598f..9a305fd5 100644
--- a/drivers/gpu/nvgpu/vgpu/mm_vgpu.c
+++ b/drivers/gpu/nvgpu/vgpu/mm_vgpu.c
@@ -371,6 +371,7 @@ static int vgpu_vm_alloc_share(struct gk20a_as_share *as_share,
                          gmmu_page_sizes[gmmu_page_size_small] >> 10);
 
                 err = __gk20a_buddy_allocator_init(
+                                        g,
                                         &vm->vma[gmmu_page_size_small],
                                         vm, name,
                                         small_vma_start,
@@ -386,6 +387,7 @@ static int vgpu_vm_alloc_share(struct gk20a_as_share *as_share,
                 snprintf(name, sizeof(name), "gk20a_as_%d-%dKB", as_share->id,
                         gmmu_page_sizes[gmmu_page_size_big] >> 10);
                 err = __gk20a_buddy_allocator_init(
+                                        g,
                                         &vm->vma[gmmu_page_size_big],
                                         vm, name,
                                         large_vma_start,
@@ -402,7 +404,9 @@ static int vgpu_vm_alloc_share(struct gk20a_as_share *as_share,
         /*
          * kernel reserved VMA is at the end of the aperture
          */
-        err = __gk20a_buddy_allocator_init(&vm->vma[gmmu_page_size_kernel],
+        err = __gk20a_buddy_allocator_init(
+                                     g,
+                                     &vm->vma[gmmu_page_size_kernel],
                                      vm, name,
                                      kernel_vma_start,
                                      kernel_vma_limit - kernel_vma_start,