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| author | Alex Sierra <alex.sierra@amd.com> | 2022-05-18 01:43:06 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-07-28 23:05:16 +0300 |
| commit | f9af3c16bfe19d145cf0588afa06d7f1070cbe2d (patch) | |
| tree | 36c90cf5d364103744b1b23f6fb86af68b512860 /drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | |
| parent | 06ac561fb0edf868f7b292fb4a3c8ffbbb1e14bb (diff) | |
| download | linux-f9af3c16bfe19d145cf0588afa06d7f1070cbe2d.tar.xz | |
drm/amdkfd: track unified memory reservation with xnack off
[WHY]
Unified memory with xnack off should be tracked, as userptr mappings
and legacy allocations do. To avoid oversuscribe system memory when
xnack off.
[How]
Exposing functions reserve_mem_limit and unreserve_mem_limit to SVM
API and call them on every prange creation and free.
Signed-off-by: Alex Sierra <alex.sierra@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h index 73bf8b5f2aa9..83d955f0c52f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h @@ -305,6 +305,10 @@ bool amdgpu_amdkfd_bo_mapped_to_dev(struct amdgpu_device *adev, struct kgd_mem * void amdgpu_amdkfd_block_mmu_notifications(void *p); int amdgpu_amdkfd_criu_resume(void *p); bool amdgpu_amdkfd_ras_query_utcl2_poison_status(struct amdgpu_device *adev); +int amdgpu_amdkfd_reserve_mem_limit(struct amdgpu_device *adev, + uint64_t size, u32 alloc_flag); +void amdgpu_amdkfd_unreserve_mem_limit(struct amdgpu_device *adev, + uint64_t size, u32 alloc_flag); #if IS_ENABLED(CONFIG_HSA_AMD) void amdgpu_amdkfd_gpuvm_init_mem_limits(void); |