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

Browse Source 
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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5
drivers/gpu/nvgpu/gk20a/fb_gk20a.c
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@@ -98,9 +98,8 @@ void gk20a_fb_tlb_invalidate(struct gk20a *g, struct nvgpu_mem *pdb)
gk20a_writel(g, fb_mmu_invalidate_pdb_r(),
fb_mmu_invalidate_pdb_addr_f(addr_lo) |
nvgpu_aperture_mask(g, pdb,
fb_mmu_invalidate_pdb_aperture_sys_mem_f(),
fb_mmu_invalidate_pdb_aperture_sys_mem_f(),
fb_mmu_invalidate_pdb_aperture_vid_mem_f()));
fb_mmu_invalidate_pdb_aperture_sys_mem_f(),
fb_mmu_invalidate_pdb_aperture_vid_mem_f()));
gk20a_writel(g, fb_mmu_invalidate_r(),
fb_mmu_invalidate_all_va_true_f() |