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drm/ttm: allow mapping BOs while they are still on the swap list

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With shared reservation objects it is possible that we want to temporary
kmap an BO while it is still on the swap list.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2017-09-06 16:55:55 +02:00 committed by Alex Deucher
parent 3fe89771cb
commit f5683f8b37
1 changed files with 0 additions and 1 deletions
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drivers/gpu/drm/ttm/ttm_bo_util.c
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@ -587,7 +587,6 @@ int ttm_bo_kmap(struct ttm_buffer_object *bo,
unsigned long offset, size;
int ret;
BUG_ON(!list_empty(&bo->swap));
map->virtual = NULL;
map->bo = bo;
if (num_pages > bo->num_pages)