diff options
| author | xinhui pan <xinhui.pan@amd.com> | 2021-05-21 16:31:12 +0800 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2021-05-26 15:02:47 +0200 |
| commit | 35f819d218035ddfbc71e7cf62a4849231701e58 (patch) | |
| tree | a273ae04385432af64e9e2dbd9112f007cb32116 | |
| parent | 7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2 (diff) | |
drm/ttm: Skip swapout if ttm object is not populated
Swapping a ttm object which has no backend pages makes no sense.
Suggested-by: Christian König <christian.koenig@amd.com>
Signed-off-by: xinhui pan <xinhui.pan@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210521083112.33176-1-xinhui.pan@amd.com
CC: stable@kernel.org
Signed-off-by: Christian König <christian.koenig@amd.com>
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_device.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_device.c b/drivers/gpu/drm/ttm/ttm_device.c index 510e3e001dab..a1dcf7d55c90 100644 --- a/drivers/gpu/drm/ttm/ttm_device.c +++ b/drivers/gpu/drm/ttm/ttm_device.c @@ -145,7 +145,7 @@ int ttm_device_swapout(struct ttm_device *bdev, struct ttm_operation_ctx *ctx, list_for_each_entry(bo, &man->lru[j], lru) { uint32_t num_pages; - if (!bo->ttm || + if (!bo->ttm || !ttm_tt_is_populated(bo->ttm) || bo->ttm->page_flags & TTM_PAGE_FLAG_SG || bo->ttm->page_flags & TTM_PAGE_FLAG_SWAPPED) continue; |