diff options
| author | Christian König <christian.koenig@amd.com> | 2023-10-31 17:35:27 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-11-10 19:33:28 +0300 |
| commit | 8473bfdcb5b1a32fd05629c4535ccacd73bc5567 (patch) | |
| tree | 35fb12345d5306e23d64aefea447e796ee794190 /drivers/gpu/drm/amd | |
| parent | 256503071c2de2b5b5c20e06654aa9a44f13aa62 (diff) | |
| download | linux-8473bfdcb5b1a32fd05629c4535ccacd73bc5567.tar.xz | |
drm/amdgpu: fix error handling in amdgpu_vm_init
When clearing the root PD fails we need to properly release it again.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 100497cb19e6..d1b8afd105c9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -2139,7 +2139,8 @@ long amdgpu_vm_wait_idle(struct amdgpu_vm *vm, long timeout) * Returns: * 0 for success, error for failure. */ -int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm, int32_t xcp_id) +int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm, + int32_t xcp_id) { struct amdgpu_bo *root_bo; struct amdgpu_bo_vm *root; @@ -2158,6 +2159,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm, int32_t xcp INIT_LIST_HEAD(&vm->done); INIT_LIST_HEAD(&vm->pt_freed); INIT_WORK(&vm->pt_free_work, amdgpu_vm_pt_free_work); + INIT_KFIFO(vm->faults); r = amdgpu_vm_init_entities(adev, vm); if (r) @@ -2192,34 +2194,33 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm, int32_t xcp false, &root, xcp_id); if (r) goto error_free_delayed; - root_bo = &root->bo; + + root_bo = amdgpu_bo_ref(&root->bo); r = amdgpu_bo_reserve(root_bo, true); - if (r) - goto error_free_root; + if (r) { + amdgpu_bo_unref(&root->shadow); + amdgpu_bo_unref(&root_bo); + goto error_free_delayed; + } + amdgpu_vm_bo_base_init(&vm->root, vm, root_bo); r = dma_resv_reserve_fences(root_bo->tbo.base.resv, 1); if (r) - goto error_unreserve; - - amdgpu_vm_bo_base_init(&vm->root, vm, root_bo); + goto error_free_root; r = amdgpu_vm_pt_clear(adev, vm, root, false); if (r) - goto error_unreserve; + goto error_free_root; amdgpu_bo_unreserve(vm->root.bo); - - INIT_KFIFO(vm->faults); + amdgpu_bo_unref(&root_bo); return 0; -error_unreserve: - amdgpu_bo_unreserve(vm->root.bo); - error_free_root: - amdgpu_bo_unref(&root->shadow); + amdgpu_vm_pt_free_root(adev, vm); + amdgpu_bo_unreserve(vm->root.bo); amdgpu_bo_unref(&root_bo); - vm->root.bo = NULL; error_free_delayed: dma_fence_put(vm->last_tlb_flush); |