gpu: nvgpu: Allow sparse buffers on small pages

Sparse buffers were allowed only with big pages. That restriction is
not necessary, so remove it.

Bug 1605769

Change-Id: I92efc0efe80edccead47b47d33fd9a75c921ca9a
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/725763

1 files changed, 0 insertions, 7 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
index c86fee45..31f01528 100644
--- a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
@@ -2431,13 +2431,6 @@ int gk20a_vm_alloc_space(struct gk20a_as_share *as_share,
                 goto clean_up;
         }
 
-        if (args->flags & NVGPU_AS_ALLOC_SPACE_FLAGS_SPARSE &&
-            pgsz_idx != gmmu_page_size_big) {
-                err = -ENOSYS;
-                kfree(va_node);
-                goto clean_up;
-        }
-
         start_page_nr = 0;
         if (args->flags & NVGPU_AS_ALLOC_SPACE_FLAGS_FIXED_OFFSET)
                 start_page_nr = (u32)(args->o_a.offset >>