diff options
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_tt.c')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_tt.c | 36 |
1 files changed, 7 insertions, 29 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index 54bbbad..6e079de 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -66,22 +66,16 @@ static void ttm_tt_free_page_directory(struct ttm_tt *ttm) static struct page *__ttm_tt_get_page(struct ttm_tt *ttm, int index) { struct page *p; - struct list_head h; struct ttm_mem_global *mem_glob = ttm->glob->mem_glob; int ret; if (NULL == (p = ttm->pages[index])) { - INIT_LIST_HEAD(&h); - - ret = ttm_get_pages(&h, ttm->page_flags, ttm->caching_state, 1, + ret = ttm_get_pages(&p, ttm->page_flags, ttm->caching_state, 1, &ttm->dma_address[index]); - if (ret != 0) return NULL; - p = list_first_entry(&h, struct page, lru); - ret = ttm_mem_global_alloc_page(mem_glob, p, false, false); if (unlikely(ret != 0)) goto out_err; @@ -90,9 +84,7 @@ static struct page *__ttm_tt_get_page(struct ttm_tt *ttm, int index) } return p; out_err: - INIT_LIST_HEAD(&h); - list_add(&p->lru, &h); - ttm_put_pages(&h, 1, ttm->page_flags, + ttm_put_pages(&p, 1, ttm->page_flags, ttm->caching_state, &ttm->dma_address[index]); return NULL; } @@ -243,33 +235,19 @@ EXPORT_SYMBOL(ttm_tt_set_placement_caching); static void ttm_tt_free_alloced_pages(struct ttm_tt *ttm) { - int i; - unsigned count = 0; - struct list_head h; - struct page *cur_page; struct ttm_backend *be = ttm->be; - - INIT_LIST_HEAD(&h); + unsigned i; if (be) be->func->clear(be); for (i = 0; i < ttm->num_pages; ++i) { - - cur_page = ttm->pages[i]; - ttm->pages[i] = NULL; - if (cur_page) { - if (page_count(cur_page) != 1) - printk(KERN_ERR TTM_PFX - "Erroneous page count. " - "Leaking pages.\n"); + if (ttm->pages[i]) { ttm_mem_global_free_page(ttm->glob->mem_glob, - cur_page); - list_add(&cur_page->lru, &h); - count++; + ttm->pages[i]); + ttm_put_pages(&ttm->pages[i], 1, ttm->page_flags, + ttm->caching_state, &ttm->dma_address[i]); } } - ttm_put_pages(&h, count, ttm->page_flags, ttm->caching_state, - ttm->dma_address); ttm->state = tt_unpopulated; } |