gpu: nvgpu: Enable IO coherency on GV100

This reverts commit 848af2ce6de6140323a6ffe3075bf8021e119434.

This is a revert of a revert, etc, etc. It re-enables IO coherence again.

JIRA EVLR-2333

Change-Id: Ibf97dce2f892e48a1200a06cd38a1c5d9603be04
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1669722
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/gk20a/pramin_gk20a.c b/drivers/gpu/nvgpu/gk20a/pramin_gk20a.c
index bb8831e0..67fd2480 100644
--- a/drivers/gpu/nvgpu/gk20a/pramin_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/pramin_gk20a.c
@@ -41,6 +41,7 @@ u32 gk20a_pramin_enter(struct gk20a *g, struct nvgpu_mem *mem,
         u32 lo = (u32)(addr & 0xfffff);
         u32 win = nvgpu_aperture_mask(g, mem,
                         bus_bar0_window_target_sys_mem_noncoherent_f(),
+                        bus_bar0_window_target_sys_mem_coherent_f(),
                         bus_bar0_window_target_vid_mem_f()) |
                 bus_bar0_window_base_f(hi);