Instead of allocating inside xe_tile, create a new function that returns
an allocated struct xe_ggtt from xe_ggtt.c

Signed-off-by: Maarten Lankhorst <[email protected]>
Reviewed-by: Matthew Brost <[email protected]>
Reviewed-by: Lucas De Marchi <[email protected]>
---
 drivers/gpu/drm/xe/xe_ggtt.c | 16 ++++++++++++++++
 drivers/gpu/drm/xe/xe_ggtt.h |  2 ++
 drivers/gpu/drm/xe/xe_tile.c |  6 +-----
 3 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_ggtt.c b/drivers/gpu/drm/xe/xe_ggtt.c
index 5f4be9f40c9ba..b197b835ed442 100644
--- a/drivers/gpu/drm/xe/xe_ggtt.c
+++ b/drivers/gpu/drm/xe/xe_ggtt.c
@@ -160,6 +160,22 @@ static void xe_ggtt_clear(struct xe_ggtt *ggtt, u64 start, 
u64 size)
        }
 }
 
+/**
+ * xe_ggtt_alloc - Allocate a GGTT for a given &xe_tile
+ * @tile: &xe_tile
+ *
+ * Allocates a &xe_ggtt for a given tile.
+ *
+ * Return: &xe_ggtt on success, or NULL when out of memory.
+ */
+struct xe_ggtt *xe_ggtt_alloc(struct xe_tile *tile)
+{
+       struct xe_ggtt *ggtt = drmm_kzalloc(&tile_to_xe(tile)->drm, 
sizeof(*ggtt), GFP_KERNEL);
+       if (ggtt)
+               ggtt->tile = tile;
+       return ggtt;
+}
+
 static void ggtt_fini_early(struct drm_device *drm, void *arg)
 {
        struct xe_ggtt *ggtt = arg;
diff --git a/drivers/gpu/drm/xe/xe_ggtt.h b/drivers/gpu/drm/xe/xe_ggtt.h
index 62c8ce636939a..0bab1fd7cc817 100644
--- a/drivers/gpu/drm/xe/xe_ggtt.h
+++ b/drivers/gpu/drm/xe/xe_ggtt.h
@@ -9,7 +9,9 @@
 #include "xe_ggtt_types.h"
 
 struct drm_printer;
+struct xe_tile;
 
+struct xe_ggtt *xe_ggtt_alloc(struct xe_tile *tile);
 int xe_ggtt_init_early(struct xe_ggtt *ggtt);
 int xe_ggtt_init(struct xe_ggtt *ggtt);
 
diff --git a/drivers/gpu/drm/xe/xe_tile.c b/drivers/gpu/drm/xe/xe_tile.c
index 6f303d4097d6e..86e9811e60ba0 100644
--- a/drivers/gpu/drm/xe/xe_tile.c
+++ b/drivers/gpu/drm/xe/xe_tile.c
@@ -88,13 +88,9 @@
  */
 static int xe_tile_alloc(struct xe_tile *tile)
 {
-       struct drm_device *drm = &tile_to_xe(tile)->drm;
-
-       tile->mem.ggtt = drmm_kzalloc(drm, sizeof(*tile->mem.ggtt),
-                                     GFP_KERNEL);
+       tile->mem.ggtt = xe_ggtt_alloc(tile);
        if (!tile->mem.ggtt)
                return -ENOMEM;
-       tile->mem.ggtt->tile = tile;
 
        return 0;
 }
-- 
2.45.2

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