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

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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>
This commit is contained in:
Alex Waterman
2018-02-28 09:19:19 -08:00
committed by Srikar Srimath Tirumala
parent 3fdd8e38b2
commit 5a35a95654
28 changed files with 126 additions and 274 deletions
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3
drivers/gpu/nvgpu/common/linux/vm.c
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@@ -166,8 +166,7 @@ struct nvgpu_mapped_buf *nvgpu_vm_find_mapping(struct vm_gk20a *vm,
vm->gmmu_page_sizes[mapped_buffer->pgsz_idx] >> 10,
vm_aspace_id(vm),
mapped_buffer->flags,
nvgpu_aperture_str(g,
gk20a_dmabuf_aperture(g, os_buf->dmabuf)));
nvgpu_aperture_str(gk20a_dmabuf_aperture(g, os_buf->dmabuf)));
return mapped_buffer;
}