We need some commit message here. Something like this: Allow eviction of BOs reserved by the caller when they are not part of the current working set. with that fixed the patch is Reviewed-by: Christian König <christian.koenig at amd.com>. Thanks, Christian. Am 14.12.2017 um 09:10 schrieb Roger He: > Change-Id: I0c6ece0decd18d30ccc94e5c7ca106d351941c62 > Signed-off-by: Roger He <Hongbo.He at amd.com> > --- > drivers/gpu/drm/ttm/ttm_bo.c | 11 +++++------ > 1 file changed, 5 insertions(+), 6 deletions(-) > > diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c > index 098b22e..ba5b486 100644 > --- a/drivers/gpu/drm/ttm/ttm_bo.c > +++ b/drivers/gpu/drm/ttm/ttm_bo.c > @@ -707,7 +707,6 @@ bool ttm_bo_eviction_valuable(struct ttm_buffer_object *bo, > EXPORT_SYMBOL(ttm_bo_eviction_valuable); > > static int ttm_mem_evict_first(struct ttm_bo_device *bdev, > - struct reservation_object *resv, > uint32_t mem_type, > const struct ttm_place *place, > struct ttm_operation_ctx *ctx) > @@ -722,8 +721,9 @@ static int ttm_mem_evict_first(struct ttm_bo_device *bdev, > spin_lock(&glob->lru_lock); > for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i) { > list_for_each_entry(bo, &man->lru[i], lru) { > - if (bo->resv == resv) { > - if (list_empty(&bo->ddestroy)) > + if (bo->resv == ctx->resv) { > + if (!ctx->allow_reserved_eviction && > + list_empty(&bo->ddestroy)) > continue; > } else { > locked = reservation_object_trylock(bo->resv); > @@ -835,7 +835,7 @@ static int ttm_bo_mem_force_space(struct ttm_buffer_object *bo, > return ret; > if (mem->mm_node) > break; > - ret = ttm_mem_evict_first(bdev, bo->resv, mem_type, place, ctx); > + ret = ttm_mem_evict_first(bdev, mem_type, place, ctx); > if (unlikely(ret != 0)) > return ret; > } while (1); > @@ -1332,8 +1332,7 @@ static int ttm_bo_force_list_clean(struct ttm_bo_device *bdev, > for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i) { > while (!list_empty(&man->lru[i])) { > spin_unlock(&glob->lru_lock); > - ret = ttm_mem_evict_first(bdev, NULL, mem_type, > - NULL, &ctx); > + ret = ttm_mem_evict_first(bdev, mem_type, NULL, &ctx); > if (ret) > return ret; > spin_lock(&glob->lru_lock);