diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_pt_walk.h')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_pt_walk.h | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/drivers/gpu/drm/xe/xe_pt_walk.h b/drivers/gpu/drm/xe/xe_pt_walk.h index ec3d1e9efa6d..5c02c244f7de 100644 --- a/drivers/gpu/drm/xe/xe_pt_walk.h +++ b/drivers/gpu/drm/xe/xe_pt_walk.h @@ -8,28 +8,17 @@ #include <linux/pagewalk.h> #include <linux/types.h> -struct xe_ptw_dir; - /** * struct xe_ptw - base class for driver pagetable subclassing. - * @dir: Pointer to an array of children if any. + * @children: Pointer to an array of children if any. + * @staging: Pointer to an array of staging if any. * * Drivers could subclass this, and if it's a page-directory, typically - * embed the xe_ptw_dir::entries array in the same allocation. + * embed an array of xe_ptw pointers. */ struct xe_ptw { - struct xe_ptw_dir *dir; -}; - -/** - * struct xe_ptw_dir - page directory structure - * @entries: Array holding page directory children. - * - * It is the responsibility of the user to ensure @entries is - * correctly sized. - */ -struct xe_ptw_dir { - struct xe_ptw *entries[0]; + struct xe_ptw **children; + struct xe_ptw **staging; }; /** @@ -54,6 +43,8 @@ struct xe_pt_walk { * as shared pagetables. */ bool shared_pt_mode; + /** @staging: Walk staging PT structure */ + bool staging; }; /** |