diff options
Diffstat (limited to 'drivers/gpu/drm/ttm/tests/ttm_kunit_helpers.c')
| -rw-r--r-- | drivers/gpu/drm/ttm/tests/ttm_kunit_helpers.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/drivers/gpu/drm/ttm/tests/ttm_kunit_helpers.c b/drivers/gpu/drm/ttm/tests/ttm_kunit_helpers.c index 2f590bae53f8..beb1d0086c24 100644 --- a/drivers/gpu/drm/ttm/tests/ttm_kunit_helpers.c +++ b/drivers/gpu/drm/ttm/tests/ttm_kunit_helpers.c @@ -27,8 +27,31 @@ static int mock_move(struct ttm_buffer_object *bo, bool evict, struct ttm_resource *new_mem, struct ttm_place *hop) { - bo->resource = new_mem; - return 0; + struct ttm_resource *old_mem = bo->resource; + + if (!old_mem || (old_mem->mem_type == TTM_PL_SYSTEM && !bo->ttm)) { + ttm_bo_move_null(bo, new_mem); + return 0; + } + + if (bo->resource->mem_type == TTM_PL_VRAM && + new_mem->mem_type == TTM_PL_SYSTEM) { + hop->mem_type = TTM_PL_TT; + hop->flags = TTM_PL_FLAG_TEMPORARY; + hop->fpfn = 0; + hop->lpfn = 0; + return -EMULTIHOP; + } + + if ((old_mem->mem_type == TTM_PL_SYSTEM && + new_mem->mem_type == TTM_PL_TT) || + (old_mem->mem_type == TTM_PL_TT && + new_mem->mem_type == TTM_PL_SYSTEM)) { + ttm_bo_move_null(bo, new_mem); + return 0; + } + + return ttm_bo_move_memcpy(bo, ctx, new_mem); } struct ttm_device_funcs ttm_dev_funcs = { |