drm/ttm: add new function to check if bo is allowable to evict or swapout

extract a function as ttm_bo_evict_swapout_allowable since eviction and
swapout can share same logic.

v2: modify commit message and add description in the code

Reviewed-by: Thomas Hellström <[email protected]>
Reviewed-by: Christian König <[email protected]>
Reviewed-by: Chuming Zhou <[email protected]>
Signed-off-by: Roger He <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

0 files changed, 0 insertions, 0 deletions