Merge tag 'drm-misc-next-2021-07-16' of git://anongit.freedesktop.org/drm/drm-misc...

[linux-2.6-microblaze.git] / drivers / gpu / drm / ttm / ttm_bo.c

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 5a2dc71..20fbfd9 100644 (file)
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1147,7 +1147,10 @@ int ttm_bo_swapout(struct ttm_buffer_object *bo, struct ttm_operation_ctx *ctx,
        if (!ttm_bo_evict_swapout_allowable(bo, ctx, &place, &locked, NULL))
                return -EBUSY;
 
-       if (!ttm_bo_get_unless_zero(bo)) {
+       if (!bo->ttm || !ttm_tt_is_populated(bo->ttm) ||
+           bo->ttm->page_flags & TTM_PAGE_FLAG_SG ||
+           bo->ttm->page_flags & TTM_PAGE_FLAG_SWAPPED ||
+           !ttm_bo_get_unless_zero(bo)) {
                if (locked)
                        dma_resv_unlock(bo->base.resv);
                return -EBUSY;