Revert "gpu: nvgpu: Get coherency on gv100 + NVLINK working"

Also revert other changes related to IO coherence. This may be the
culprit in a recent dev-kernel lockdown.

Bug 2070609

Change-Id: Ida178aef161fadbc6db9512521ea51c702c1564b
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1665914
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Srikar Srimath Tirumala <srikars@nvidia.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/drivers/gpu/nvgpu/gv11b/css_gr_gv11b.c b/drivers/gpu/nvgpu/gv11b/css_gr_gv11b.c
index 86977bb3..617ea61d 100644
--- a/drivers/gpu/nvgpu/gv11b/css_gr_gv11b.c
+++ b/drivers/gpu/nvgpu/gv11b/css_gr_gv11b.c
@@ -31,14 +31,14 @@
 #include <nvgpu/dma.h>
 #include <nvgpu/mm.h>
 #include <nvgpu/sizes.h>
-#include <nvgpu/enabled.h>
-#include <nvgpu/log.h>
-#include <nvgpu/bug.h>
 
 #include "gk20a/gk20a.h"
 #include "gk20a/css_gr_gk20a.h"
 #include "css_gr_gv11b.h"
 
+#include <nvgpu/log.h>
+#include <nvgpu/bug.h>
+
 #include <nvgpu/hw/gv11b/hw_perf_gv11b.h>
 #include <nvgpu/hw/gv11b/hw_mc_gv11b.h>
 
@@ -144,7 +144,6 @@ int gv11b_css_hw_enable_snapshot(struct channel_gk20a *ch,
                         perf_pmasys_mem_block_valid_true_f() |
                         nvgpu_aperture_mask(g, &g->mm.hwpm.inst_block,
                                 perf_pmasys_mem_block_target_sys_ncoh_f(),
-                                perf_pmasys_mem_block_target_sys_coh_f(),
                                 perf_pmasys_mem_block_target_lfb_f()));