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| author | Philip Yang <Philip.Yang@amd.com> | 2022-09-16 09:30:43 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-09-21 15:25:46 -0400 |
| commit | c2dbd69e7b3a02b39ebac262c8c6c7f53df584c7 (patch) | |
| tree | 38216ece4986dfcaaddf730c2a7a2568a85d2405 | |
| parent | 757eb2bedd08a1dde6dbb67abfdddef8d8a2e882 (diff) | |
| download | linux-stable-c2dbd69e7b3a02b39ebac262c8c6c7f53df584c7.tar.gz linux-stable-c2dbd69e7b3a02b39ebac262c8c6c7f53df584c7.tar.bz2 linux-stable-c2dbd69e7b3a02b39ebac262c8c6c7f53df584c7.zip | |
drm/amdgpu: Use vm status_lock to protect pt free
Use vm_status_lock to protect all vm_status state transitions to allow
them to happen without a reservation lock in unlocked page table
updates.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c index 88de9f0d4728..61a4b7182d44 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c @@ -637,7 +637,10 @@ static void amdgpu_vm_pt_free(struct amdgpu_vm_bo_base *entry) } ttm_bo_set_bulk_move(&entry->bo->tbo, NULL); entry->bo->vm_bo = NULL; + + spin_lock(&entry->vm->status_lock); list_del(&entry->vm_status); + spin_unlock(&entry->vm->status_lock); amdgpu_bo_unref(&entry->bo); } |