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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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6
drivers/gpu/nvgpu/gk20a/bus_gk20a.c
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@@ -21,7 +21,6 @@
*/
#include <nvgpu/page_allocator.h>
#include <nvgpu/enabled.h>
#include <nvgpu/log.h>
#include <nvgpu/soc.h>
#include <nvgpu/bus.h>
@@ -156,9 +155,8 @@ int gk20a_bus_bar1_bind(struct gk20a *g, struct nvgpu_mem *bar1_inst)
gk20a_writel(g, bus_bar1_block_r(),
nvgpu_aperture_mask(g, bar1_inst,
bus_bar1_block_target_sys_mem_ncoh_f(),
bus_bar1_block_target_sys_mem_coh_f(),
bus_bar1_block_target_vid_mem_f()) |
bus_bar1_block_target_sys_mem_ncoh_f(),
bus_bar1_block_target_vid_mem_f()) |
bus_bar1_block_mode_virtual_f() |
bus_bar1_block_ptr_f(ptr_v));