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drm/amdgpu: Make enforce_isolation setting per GPU

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This commit makes enforce_isolation setting to be per GPU and per
partition by adding the enforce_isolation array to the adev structure.
The adev variable is set based on the global enforce_isolation module
parameter during device initialization.

In amdgpu_ids.c, the adev->enforce_isolation value for the current GPU
is used to determine whether to enforce isolation between graphics and
compute processes on that GPU.

In amdgpu_ids.c, the adev->enforce_isolation value for the current GPU
and partition is used to determine whether to enforce isolation between
graphics and compute processes on that GPU and partition.

This allows the enforce_isolation setting to be controlled individually
for each GPU and each partition, which is useful in a system with
multiple GPUs and partitions where different isolation settings might be
desired for different GPUs and partitions.

v2: fix loop in amdgpu_vmid_mgr_init() (Alex)

Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Suggested-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Srinivasan Shanmugam
2024-07-29 21:35:26 +05:30
committed by Alex Deucher
parent ee7a846ea2
commit 9659520419
5 changed files with 21 additions and 8 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
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@@ -1110,7 +1110,7 @@ static int amdgpu_cs_vm_handling(struct amdgpu_cs_parser *p)
struct drm_gpu_scheduler *sched = entity->rq->sched;
struct amdgpu_ring *ring = to_amdgpu_ring(sched);
if (amdgpu_vmid_uses_reserved(vm, ring->vm_hub))
if (amdgpu_vmid_uses_reserved(adev, vm, ring->vm_hub))
return -EINVAL;
}
}