[PATCH v4 6/6] drm/xe: Move struct xe_ggtt to xe_ggtt.c

Maarten Lankhorst maarten.lankhorst at linux.intel.com
Wed Oct 9 12:51:14 UTC 2024


No users left outside of xe_ggtt.c, so we can make the struct private.

This prevents us from accidentally touching it before init.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost at intel.com>
---
 drivers/gpu/drm/xe/xe_ggtt.c       | 49 ++++++++++++++++++++++++++++++
 drivers/gpu/drm/xe/xe_ggtt_types.h | 48 -----------------------------
 2 files changed, 49 insertions(+), 48 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_ggtt.c b/drivers/gpu/drm/xe/xe_ggtt.c
index 213a6c0b10b7c..088778e80e4d1 100644
--- a/drivers/gpu/drm/xe/xe_ggtt.c
+++ b/drivers/gpu/drm/xe/xe_ggtt.c
@@ -64,6 +64,55 @@
  * give us the correct placement for free.
  */
 
+/**
+ * struct xe_ggtt_pt_ops - GGTT Page table operations
+ * Which can vary from platform to platform.
+ */
+struct xe_ggtt_pt_ops {
+	/** @pte_encode_bo: Encode PTE address for a given BO */
+	xe_ggtt_pte_encode_bo_fn pte_encode_bo;
+	/** @ggtt_set_pte: Directly write into GGTT's PTE */
+	xe_ggtt_set_pte_fn ggtt_set_pte;
+};
+
+/**
+ * struct xe_ggtt - Main GGTT struct
+ *
+ * In general, each tile can contains its own Global Graphics Translation Table
+ * (GGTT) instance.
+ */
+struct xe_ggtt {
+	/** @tile: Back pointer to tile where this GGTT belongs */
+	struct xe_tile *tile;
+	/** @size: Total size of this GGTT */
+	u64 size;
+
+#define XE_GGTT_FLAGS_64K BIT(0)
+	/**
+	 * @flags: Flags for this GGTT
+	 * Acceptable flags:
+	 * - %XE_GGTT_FLAGS_64K - if PTE size is 64K. Otherwise, regular is 4K.
+	 */
+	unsigned int flags;
+	/** @scratch: Internal object allocation used as a scratch page */
+	struct xe_bo *scratch;
+	/** @lock: Mutex lock to protect GGTT data */
+	struct mutex lock;
+	/**
+	 *  @gsm: The iomem pointer to the actual location of the translation
+	 * table located in the GSM for easy PTE manipulation
+	 */
+	u64 __iomem *gsm;
+	/** @pt_ops: Page Table operations per platform */
+	const struct xe_ggtt_pt_ops *pt_ops;
+	/** @mm: The memory manager used to manage individual GGTT allocations */
+	struct drm_mm mm;
+	/** @access_count: counts GGTT writes */
+	unsigned int access_count;
+	/** @wq: Dedicated unordered work queue to process node removals */
+	struct workqueue_struct *wq;
+};
+
 static u64 xelp_ggtt_pte_encode_bo(struct xe_bo *bo, u64 bo_offset,
 				   u16 pat_index)
 {
diff --git a/drivers/gpu/drm/xe/xe_ggtt_types.h b/drivers/gpu/drm/xe/xe_ggtt_types.h
index 34ef713b5245c..b33c2b5706df0 100644
--- a/drivers/gpu/drm/xe/xe_ggtt_types.h
+++ b/drivers/gpu/drm/xe/xe_ggtt_types.h
@@ -13,44 +13,6 @@
 struct xe_bo;
 struct xe_gt;
 
-/**
- * struct xe_ggtt - Main GGTT struct
- *
- * In general, each tile can contains its own Global Graphics Translation Table
- * (GGTT) instance.
- */
-struct xe_ggtt {
-	/** @tile: Back pointer to tile where this GGTT belongs */
-	struct xe_tile *tile;
-	/** @size: Total size of this GGTT */
-	u64 size;
-
-#define XE_GGTT_FLAGS_64K BIT(0)
-	/**
-	 * @flags: Flags for this GGTT
-	 * Acceptable flags:
-	 * - %XE_GGTT_FLAGS_64K - if PTE size is 64K. Otherwise, regular is 4K.
-	 */
-	unsigned int flags;
-	/** @scratch: Internal object allocation used as a scratch page */
-	struct xe_bo *scratch;
-	/** @lock: Mutex lock to protect GGTT data */
-	struct mutex lock;
-	/**
-	 *  @gsm: The iomem pointer to the actual location of the translation
-	 * table located in the GSM for easy PTE manipulation
-	 */
-	u64 __iomem *gsm;
-	/** @pt_ops: Page Table operations per platform */
-	const struct xe_ggtt_pt_ops *pt_ops;
-	/** @mm: The memory manager used to manage individual GGTT allocations */
-	struct drm_mm mm;
-	/** @access_count: counts GGTT writes */
-	unsigned int access_count;
-	/** @wq: Dedicated unordered work queue to process node removals */
-	struct workqueue_struct *wq;
-};
-
 /**
  * struct xe_ggtt_node - A node in GGTT.
  *
@@ -74,15 +36,5 @@ typedef void (*xe_ggtt_set_pte_fn)(struct xe_ggtt *ggtt, u64 addr, u64 pte);
 typedef void (*xe_ggtt_transform_cb)(struct xe_ggtt *ggtt, struct xe_ggtt_node *node,
 				     xe_ggtt_pte_encode_bo_fn pte_encode_bo,
 				     xe_ggtt_set_pte_fn set_pte, void *arg);
-/**
- * struct xe_ggtt_pt_ops - GGTT Page table operations
- * Which can vary from platform to platform.
- */
-struct xe_ggtt_pt_ops {
-	/** @pte_encode_bo: Encode PTE address for a given BO */
-	xe_ggtt_pte_encode_bo_fn pte_encode_bo;
-	/** @ggtt_set_pte: Directly write into GGTT's PTE */
-	xe_ggtt_set_pte_fn ggtt_set_pte;
-};
 
 #endif
-- 
2.45.2



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