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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.c25
1 files changed, 0 insertions, 25 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index 1cc04c224988..980ecb079b2c 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -289,17 +289,6 @@ out_err:
return ret;
}
-static void ttm_tt_add_mapping(struct ttm_device *bdev, struct ttm_tt *ttm)
-{
- pgoff_t i;
-
- if (ttm->page_flags & TTM_PAGE_FLAG_SG)
- return;
-
- for (i = 0; i < ttm->num_pages; ++i)
- ttm->pages[i]->mapping = bdev->dev_mapping;
-}
-
int ttm_tt_populate(struct ttm_device *bdev,
struct ttm_tt *ttm, struct ttm_operation_ctx *ctx)
{
@@ -336,7 +325,6 @@ int ttm_tt_populate(struct ttm_device *bdev,
if (ret)
goto error;
- ttm_tt_add_mapping(bdev, ttm);
ttm->page_flags |= TTM_PAGE_FLAG_PRIV_POPULATED;
if (unlikely(ttm->page_flags & TTM_PAGE_FLAG_SWAPPED)) {
ret = ttm_tt_swapin(ttm);
@@ -359,24 +347,11 @@ error:
}
EXPORT_SYMBOL(ttm_tt_populate);
-static void ttm_tt_clear_mapping(struct ttm_tt *ttm)
-{
- pgoff_t i;
- struct page **page = ttm->pages;
-
- if (ttm->page_flags & TTM_PAGE_FLAG_SG)
- return;
-
- for (i = 0; i < ttm->num_pages; ++i)
- (*page)->mapping = NULL;
-}
-
void ttm_tt_unpopulate(struct ttm_device *bdev, struct ttm_tt *ttm)
{
if (!ttm_tt_is_populated(ttm))
return;
- ttm_tt_clear_mapping(ttm);
if (bdev->funcs->ttm_tt_unpopulate)
bdev->funcs->ttm_tt_unpopulate(bdev, ttm);
else