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gpu: nvgpu: accept small_big_split in vm_init

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Currently, when unified address space is not requested, nvgpu_vm_init
splits user vm at a fixed address of 56G.
Modify nvgpu_vm_init to allow user to specify small big page vm split.

JIRA NVGPU-5302

Change-Id: I6ed33a4dc080f10a723cb9bd486f0d36c0cee0e9
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2428326
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Sami Kiminki <skiminki@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: Sami Kiminki <skiminki@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Vedashree Vidwans
2020-10-14 19:05:47 -07:00
committed by Alex Waterman
parent 7f9ce100f8
commit 00d1e10ff2
20 changed files with 90 additions and 44 deletions
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4
drivers/gpu/nvgpu/common/perf/perfbuf.c
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@@ -92,7 +92,9 @@ int nvgpu_perfbuf_init_vm(struct gk20a *g)
mm->perfbuf.vm = nvgpu_vm_init(g, big_page_size, SZ_4K,
nvgpu_safe_sub_u64(user_size, SZ_4K),
kernel_size, false, false, false, "perfbuf");
kernel_size,
0ULL,
false, false, false, "perfbuf");
if (mm->perfbuf.vm == NULL) {
return -ENOMEM;
}