gpu: nvgpu: vgpu: add io coherency support

Modify command message parameter to support io
coherency.

Jira EVLR-2025

Change-Id: I38b21c72d85f559555c4d97dab73d0f715ecc655
Signed-off-by: Aparna Das <aparnad@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1614388
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/vgpu/gv11b/vgpu_gv11b.c b/drivers/gpu/nvgpu/common/linux/vgpu/gv11b/vgpu_gv11b.c
index 9ba1892b..93e26541 100644
--- a/drivers/gpu/nvgpu/common/linux/vgpu/gv11b/vgpu_gv11b.c
+++ b/drivers/gpu/nvgpu/common/linux/vgpu/gv11b/vgpu_gv11b.c
@@ -35,6 +35,7 @@ int vgpu_gv11b_init_gpu_characteristics(struct gk20a *g)
         }
 
         __nvgpu_set_enabled(g, NVGPU_SUPPORT_TSG_SUBCONTEXTS, true);
+        __nvgpu_set_enabled(g, NVGPU_SUPPORT_IO_COHERENCE, true);
 
         return 0;
 }