drm/ast: invalidate page tables when pinning a BO

same fix as cirrus and mgag200. Cc: stable@vger.kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
git-mirror · Aug 7, 2013 · 3ac6525 · 3ac6525
1 parent ecaac1c
commit 3ac6525
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/drivers/gpu/drm/ast/ast_ttm.c b/drivers/gpu/drm/ast/ast_ttm.c
@@ -323,6 +323,7 @@ int ast_bo_create(struct drm_device *dev, int size, int align,
 
 	astbo->gem.driver_private = NULL;
 	astbo->bo.bdev = &ast->ttm.bdev;
+	astbo->bo.bdev->dev_mapping = dev->dev_mapping;
 
 	ast_ttm_placement(astbo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM);