gpu: nvgpu: enable IO coherence support flag for gv11b

Set flag NVGPU_GPU_FLAGS_SUPPORT_IO_COHERENCE for gv11b to indicate
IO coherence support is enabled

Jira GPUT19X-17
Bug 1651331
Bug 200283998

Change-Id: If74db3de293e8ebd39e45d81cd1c0d1f7aa01d2d
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master/r/1512601
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gv11b/gv11b.c b/drivers/gpu/nvgpu/gv11b/gv11b.c
index 69fd0cf4..d0fb41c3 100644
--- a/drivers/gpu/nvgpu/gv11b/gv11b.c
+++ b/drivers/gpu/nvgpu/gv11b/gv11b.c
@@ -24,6 +24,7 @@ int gv11b_init_gpu_characteristics(struct gk20a *g)
 {
         gk20a_init_gpu_characteristics(g);
         g->gpu_characteristics.flags |=
-                NVGPU_GPU_FLAGS_SUPPORT_TSG_SUBCONTEXTS;
+                NVGPU_GPU_FLAGS_SUPPORT_TSG_SUBCONTEXTS |
+                NVGPU_GPU_FLAGS_SUPPORT_IO_COHERENCE;
         return 0;
 }