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| author | Christian König <christian.koenig@amd.com> | 2022-11-25 17:04:25 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-12-14 09:48:33 -0500 |
| commit | e44a0fe630c58b0a87d8281f5c1077a3479e5fce (patch) | |
| tree | f9e96d4abf046dcd2981ab78705e1ff68b449558 /drivers/gpu/drm/amd/amdgpu/amdgpu_ids.h | |
| parent | 053499f7b45dc56758240615569b349fe9e2fc8d (diff) | |
| download | linux-e44a0fe630c58b0a87d8281f5c1077a3479e5fce.tar.gz linux-e44a0fe630c58b0a87d8281f5c1077a3479e5fce.tar.bz2 linux-e44a0fe630c58b0a87d8281f5c1077a3479e5fce.zip | |
drm/amdgpu: rework reserved VMID handling
Instead of reserving a VMID for a single process allow that many
processes use the reserved ID. This allows for proper isolation
between the processes.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ids.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ids.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.h index 57efe61dceed..d1cc09b45da4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.h @@ -67,7 +67,8 @@ struct amdgpu_vmid_mgr { unsigned num_ids; struct list_head ids_lru; struct amdgpu_vmid ids[AMDGPU_NUM_VMID]; - atomic_t reserved_vmid_num; + struct amdgpu_vmid *reserved; + unsigned int reserved_use_count; }; int amdgpu_pasid_alloc(unsigned int bits); |