i965_drv_video: Currently only use tiled-Y surfaces on Sandybridge

Signed-off-by: Xiang, Haihao <haihao.xiang@intel.com>

i965_drv_video/i965_drv_video.c

@@ -417,8 +417,15 @@ i965_CreateSurfaces(VADriverContextP ctx,
         obj_surface->subpic = VA_INVALID_ID;
         obj_surface->orig_width = width;
         obj_surface->orig_height = height;
-        obj_surface->width = ALIGN(obj_surface->orig_width, 128);
-        obj_surface->height = ALIGN(obj_surface->orig_height, 32);
+
+        if (IS_GEN6(i965->intel.device_id)) {
+            obj_surface->width = ALIGN(obj_surface->orig_width, 128);
+            obj_surface->height = ALIGN(obj_surface->orig_height, 32);
+        } else {
+            obj_surface->width = ALIGN(obj_surface->orig_width, 16);
+            obj_surface->height = ALIGN(obj_surface->orig_height, 16);
+        }
+
         obj_surface->size = SIZE_YUV420(obj_surface->width, obj_surface->height);
         obj_surface->flags = SURFACE_REFERENCED;
         obj_surface->bo = NULL;