gpu: nvgpu: vgpu: disable batch map buffer in gpu characteristics

vgpu has not implemented batch map buffer yet, so report it in gpu
characteristics.

Bug 200201431

Change-Id: Ia9bfd71735889706242f0c06a1c44c5ed318ab6d
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/1157467
(cherry picked from commit c6999995f9a48f645d6ffb6b7361d29cf641e5e3)
Reviewed-on: http://git-master/r/1156636
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/vgpu.c b/drivers/gpu/nvgpu/vgpu/vgpu.c
index 399b7c67..0e934797 100644
--- a/drivers/gpu/nvgpu/vgpu/vgpu.c
+++ b/drivers/gpu/nvgpu/vgpu/vgpu.c
@@ -309,6 +309,7 @@ static int vgpu_init_gpu_characteristics(struct gk20a *g)
                 return -ENOMEM;
 
         g->gpu_characteristics.max_freq = max_freq;
+        g->gpu_characteristics.map_buffer_batch_limit = 0;
         return 0;
 }