diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index c9223a5184de..545531db66db 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1536,10 +1536,12 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev, nptes = last - start + 1; /* - * reserve space for one command every (1 << BLOCK_SIZE) + * reserve space for two commands every (1 << BLOCK_SIZE) * entries or 2k dwords (whatever is smaller) + * + * The second command is for the shadow pagetables. */ - ncmds = (nptes >> min(adev->vm_manager.block_size, 11u)) + 1; + ncmds = ((nptes >> min(adev->vm_manager.block_size, 11u)) + 1) * 2; /* padding, etc. */ ndw = 64; |