diff options
| author | xinhui pan <xinhui.pan@amd.com> | 2021-11-10 07:31:49 +0300 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2021-11-11 11:08:08 +0300 |
| commit | 7120a447c7fe37a123ab7a63afefdbf0787b9002 (patch) | |
| tree | 9f8f26aff1373e05b2e150f5384cd0eb178ebaa5 /drivers | |
| parent | f55aaf63bde0d0336c3823bb3713bd4a464abbcf (diff) | |
| download | linux-7120a447c7fe37a123ab7a63afefdbf0787b9002.tar.xz | |
drm/ttm: Double check mem_type of BO while eviction
BO might sit in a wrong lru list as there is a small period of memory
moving and lru list updating.
Lets skip eviction if we hit such mismatch.
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/20211110043149.57554-2-xinhui.pan@amd.com
Signed-off-by: Christian König <christian.koenig@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index bb9e02c31946..1ddf458aed71 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -617,7 +617,8 @@ static bool ttm_bo_evict_swapout_allowable(struct ttm_buffer_object *bo, *busy = !ret; } - if (ret && place && !bo->bdev->funcs->eviction_valuable(bo, place)) { + if (ret && place && (bo->resource->mem_type != place->mem_type || + !bo->bdev->funcs->eviction_valuable(bo, place))) { ret = false; if (*locked) { dma_resv_unlock(bo->base.resv); |