diff options
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_bo.c')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 169818b32be2..882c2fa346f3 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -893,14 +893,18 @@ int ttm_bo_validate(struct ttm_buffer_object *bo, if (!placement->num_placement && !placement->num_busy_placement) return ttm_bo_pipeline_gutting(bo); - /* - * Check whether we need to move buffer. - */ - if (!bo->resource || !ttm_resource_compat(bo->resource, placement)) { - ret = ttm_bo_move_buffer(bo, placement, ctx); - if (ret) - return ret; - } + /* Check whether we need to move buffer. */ + if (bo->resource && ttm_resource_compat(bo->resource, placement)) + return 0; + + /* Moving of pinned BOs is forbidden */ + if (bo->pin_count) + return -EINVAL; + + ret = ttm_bo_move_buffer(bo, placement, ctx); + if (ret) + return ret; + /* * We might need to add a TTM. */ |