diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index f20b572d2438..145ea95d977a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -2500,6 +2500,28 @@ void amdgpu_vm_bo_rmv(struct amdgpu_device *adev, } /** + * amdgpu_vm_evictable - check if we can evict a VM + * + * @bo: A page table of the VM. + * + * Check if it is possible to evict a VM. + */ +bool amdgpu_vm_evictable(struct amdgpu_bo *bo) +{ + struct amdgpu_vm_bo_base *bo_base = bo->vm_bo; + + /* Page tables of a destroyed VM can go away immediately */ + if (!bo_base || !bo_base->vm) + return true; + + /* Don't evict VM page tables while they are busy */ + if (!dma_resv_test_signaled_rcu(bo->tbo.base.resv, true)) + return false; + + return true; +} + +/** * amdgpu_vm_bo_invalidate - mark the bo as invalid * * @adev: amdgpu_device pointer |