Reviewed-by: Thomas Hellström <thellstrom@xxxxxxxxxx> Signed-off-by: Jakob Bornecrantz <jakob@xxxxxxxxxx> Cc: Dave Airlie <airlied@xxxxxxxxxx> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx Cc: stable@xxxxxxxxxxxxxxx --- drivers/gpu/drm/ttm/ttm_bo_util.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index 8be35c8..037f101 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -342,7 +342,9 @@ int ttm_bo_move_memcpy(struct ttm_buffer_object *bo, if (old_iomap == NULL && ttm == NULL) goto out2; - if (ttm->state == tt_unpopulated) { + /* TTM might be null for moves within the same region. + */ + if (ttm && ttm->state == tt_unpopulated) { ret = ttm->bdev->driver->ttm_tt_populate(ttm); if (ret) { /* if we fail here don't nuke the mm node -- 1.8.1.2 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel