mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-27 19:29:37 +00:00
drm/amdgpu: max_pde_used usage should be under protect
Need to take the lock when accessing this. Signed-off-by: monk.liu <monk.liu@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Jammy Zhou <jammy.zhou@amd.com>
This commit is contained in:
parent
ca95261325
commit
3d5a08c114
1 changed files with 5 additions and 1 deletions
|
@ -90,10 +90,13 @@ struct amdgpu_bo_list_entry *amdgpu_vm_get_bos(struct amdgpu_device *adev,
|
|||
struct amdgpu_bo_list_entry *list;
|
||||
unsigned i, idx;
|
||||
|
||||
mutex_lock(&vm->mutex);
|
||||
list = drm_malloc_ab(vm->max_pde_used + 2,
|
||||
sizeof(struct amdgpu_bo_list_entry));
|
||||
if (!list)
|
||||
if (!list) {
|
||||
mutex_unlock(&vm->mutex);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* add the vm page table to the list */
|
||||
list[0].robj = vm->page_directory;
|
||||
|
@ -116,6 +119,7 @@ struct amdgpu_bo_list_entry *amdgpu_vm_get_bos(struct amdgpu_device *adev,
|
|||
list[idx].tv.shared = true;
|
||||
list_add(&list[idx++].tv.head, head);
|
||||
}
|
||||
mutex_unlock(&vm->mutex);
|
||||
|
||||
return list;
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue