drm/ast: remove the default io_mem_pfn set

The default interface situation has been taken into the framework, so
remove the default set of each module.

Signed-off-by: Tan Xiaojun <tanxiaojun@huawei.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/ast/ast_ttm.c b/drivers/gpu/drm/ast/ast_ttm.c
index 28da7c2..572d2d2 100644 (file)
--- a/drivers/gpu/drm/ast/ast_ttm.c
+++ b/drivers/gpu/drm/ast/ast_ttm.c
@@ -237,7 +237,6 @@ struct ttm_bo_driver ast_bo_driver = {
        .verify_access = ast_bo_verify_access,
        .io_mem_reserve = &ast_ttm_io_mem_reserve,
        .io_mem_free = &ast_ttm_io_mem_free,
-       .io_mem_pfn = ttm_bo_default_io_mem_pfn,
 };
 
 int ast_mm_init(struct ast_private *ast)