drm/ttm: add set_pages_wb for handling page order more than zero
authorRoger He <Hongbo.He@amd.com>
Wed, 22 Nov 2017 07:09:33 +0000 (15:09 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 5 Dec 2017 19:37:05 +0000 (14:37 -0500)
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Roger He <Hongbo.He@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/ttm/ttm_page_alloc.c

index bf25ba25bfc6948a65e78cb5de31aa29e7c2bed1..359a641d3211cf7c8bbb0f92e169067a60b124f0 100644 (file)
@@ -223,6 +223,17 @@ static struct kobj_type ttm_pool_kobj_type = {
 static struct ttm_pool_manager *_manager;
 
 #ifndef CONFIG_X86
+static int set_pages_wb(struct page *page, int numpages)
+{
+#if IS_ENABLED(CONFIG_AGP)
+       int i;
+
+       for (i = 0; i < numpages; i++)
+               unmap_page_from_agp(page++);
+#endif
+       return 0;
+}
+
 static int set_pages_array_wb(struct page **pages, int addrinarray)
 {
 #if IS_ENABLED(CONFIG_AGP)