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drm/ttm: fix handling in ttm_bo_add_mem_to_lru

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We should not add the BO to the swap LRU when the new mem is fixed and
the TTM object about to be destroyed.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Link: https://patchwork.freedesktop.org/patch/335246/
This commit is contained in:
Christian König 2019-10-10 13:24:17 +02:00
parent 941f2f72db
commit 7fbc899dde
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/ttm/ttm_bo.c
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@ -185,8 +185,9 @@ static void ttm_bo_add_mem_to_lru(struct ttm_buffer_object *bo,
list_add_tail(&bo->lru, &man->lru[bo->priority]);
kref_get(&bo->list_kref);
if (bo->ttm && !(bo->ttm->page_flags &
(TTM_PAGE_FLAG_SG | TTM_PAGE_FLAG_SWAPPED))) {
if (!(man->flags & TTM_MEMTYPE_FLAG_FIXED) && bo->ttm &&
!(bo->ttm->page_flags & (TTM_PAGE_FLAG_SG |
TTM_PAGE_FLAG_SWAPPED))) {
list_add_tail(&bo->swap, &bdev->glob->swap_lru[bo->priority]);
kref_get(&bo->list_kref);
}