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gpu: nvgpu: Add get_gr_context support for Linux.

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Implement the feature of retrieving gr context contents for all chips.
Two IOCTLs, NVGPU_DBG_GPU_IOCTL_GET_GR_CONTEXT_SIZE and _GET_GR_CONTEXT,
are added.

Bug 3102903

Change-Id: If11006f4e294f190785a2c3159ca491b9f3b5187
Signed-off-by: Lili Sang <lilis@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2449183
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: Chris Johnson <cwj@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Lili Sang
2020-11-16 13:30:20 -08:00
committed by Alex Waterman
parent 471ea46f91
commit 3f0ea98b73
6 changed files with 225 additions and 2 deletions
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2
drivers/gpu/nvgpu/common/init/nvgpu_init.c
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@@ -872,6 +872,8 @@ int nvgpu_init_gpu_characteristics(struct gk20a *g)
nvgpu_set_enabled(g, NVGPU_SUPPORT_PREEMPTION_GFXP, false);
}
nvgpu_set_enabled(g, NVGPU_SUPPORT_GET_GR_CONTEXT, true);
return 0;
}