diff options
Diffstat (limited to 'drivers/gpu/drm/gma500/gtt.c')
| -rw-r--r-- | drivers/gpu/drm/gma500/gtt.c | 38 |
1 files changed, 6 insertions, 32 deletions
diff --git a/drivers/gpu/drm/gma500/gtt.c b/drivers/gpu/drm/gma500/gtt.c index 1f82183536a3..92babac362ec 100644 --- a/drivers/gpu/drm/gma500/gtt.c +++ b/drivers/gpu/drm/gma500/gtt.c @@ -196,37 +196,17 @@ void psb_gtt_roll(struct drm_device *dev, struct gtt_range *r, int roll) */ static int psb_gtt_attach_pages(struct gtt_range *gt) { - struct inode *inode; - struct address_space *mapping; - int i; - struct page *p; - int pages = gt->gem.size / PAGE_SIZE; + struct page **pages; WARN_ON(gt->pages); - /* This is the shared memory object that backs the GEM resource */ - inode = file_inode(gt->gem.filp); - mapping = inode->i_mapping; + pages = drm_gem_get_pages(>->gem, 0); + if (IS_ERR(pages)) + return PTR_ERR(pages); - gt->pages = kmalloc(pages * sizeof(struct page *), GFP_KERNEL); - if (gt->pages == NULL) - return -ENOMEM; - gt->npage = pages; + gt->pages = pages; - for (i = 0; i < pages; i++) { - p = shmem_read_mapping_page(mapping, i); - if (IS_ERR(p)) - goto err; - gt->pages[i] = p; - } return 0; - -err: - while (i--) - page_cache_release(gt->pages[i]); - kfree(gt->pages); - gt->pages = NULL; - return PTR_ERR(p); } /** @@ -240,13 +220,7 @@ err: */ static void psb_gtt_detach_pages(struct gtt_range *gt) { - int i; - for (i = 0; i < gt->npage; i++) { - /* FIXME: do we need to force dirty */ - set_page_dirty(gt->pages[i]); - page_cache_release(gt->pages[i]); - } - kfree(gt->pages); + drm_gem_put_pages(>->gem, gt->pages, true, false); gt->pages = NULL; } |