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path: root/drivers/gpu/drm/ttm/ttm_tt.c
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Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_tt.c')
-rw-r--r--drivers/gpu/drm/ttm/ttm_tt.c12
1 files changed, 2 insertions, 10 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index bdd6169cef13..9aa4fbe386e6 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -50,9 +50,6 @@ int ttm_tt_create(struct ttm_buffer_object *bo, bool zero_alloc)
dma_resv_assert_held(bo->base.resv);
- if (bo->ttm)
- return 0;
-
if (bdev->need_dma32)
page_flags |= TTM_PAGE_FLAG_DMA32;
@@ -70,6 +67,7 @@ int ttm_tt_create(struct ttm_buffer_object *bo, bool zero_alloc)
page_flags |= TTM_PAGE_FLAG_SG;
break;
default:
+ bo->ttm = NULL;
pr_err("Illegal buffer object type\n");
return -EINVAL;
}
@@ -244,7 +242,6 @@ int ttm_tt_init(struct ttm_tt *ttm, struct ttm_buffer_object *bo,
ttm_tt_init_fields(ttm, bo, page_flags);
if (ttm_tt_alloc_page_directory(ttm)) {
- ttm_tt_destroy(ttm);
pr_err("Failed allocating page table\n");
return -ENOMEM;
}
@@ -268,7 +265,6 @@ int ttm_dma_tt_init(struct ttm_dma_tt *ttm_dma, struct ttm_buffer_object *bo,
INIT_LIST_HEAD(&ttm_dma->pages_list);
if (ttm_dma_tt_alloc_page_directory(ttm_dma)) {
- ttm_tt_destroy(ttm);
pr_err("Failed allocating page table\n");
return -ENOMEM;
}
@@ -290,7 +286,6 @@ int ttm_sg_tt_init(struct ttm_dma_tt *ttm_dma, struct ttm_buffer_object *bo,
else
ret = ttm_dma_tt_alloc_page_directory(ttm_dma);
if (ret) {
- ttm_tt_destroy(ttm);
pr_err("Failed allocating page table\n");
return -ENOMEM;
}
@@ -313,11 +308,8 @@ EXPORT_SYMBOL(ttm_dma_tt_fini);
void ttm_tt_unbind(struct ttm_tt *ttm)
{
- int ret;
-
if (ttm->state == tt_bound) {
- ret = ttm->func->unbind(ttm);
- BUG_ON(ret);
+ ttm->func->unbind(ttm);
ttm->state = tt_unbound;
}
}