[PATCH v5 14/25] drm/xe: Remove unused arguments from xe_migrate_pt_update_ops

[Matthew Brost <matthew.brost@intel.com>]

Both populate and clear have unused void* ptr arguments, remove these.

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patch.msgid.link/20260228013501.106680-15-matthew.brost@intel.com
Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>
---
 drivers/gpu/drm/xe/xe_migrate.c |  4 ++--
 drivers/gpu/drm/xe/xe_migrate.h |  7 ++-----
 drivers/gpu/drm/xe/xe_pt.c      | 37 ++++++++++++---------------------
 3 files changed, 17 insertions(+), 31 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_migrate.c b/drivers/gpu/drm/xe/xe_migrate.c
index e5c46e0fa960..22a442d13477 100644
--- a/drivers/gpu/drm/xe/xe_migrate.c
+++ b/drivers/gpu/drm/xe/xe_migrate.c
@@ -1812,11 +1812,11 @@ xe_migrate_update_pgtables_cpu_execute(struct xe_vm *vm, struct xe_tile *tile,
 
 			if (pt_op->bind)
 				ops->populate(tile, &update->pt_bo->vmap,
-					      NULL, update->ofs, update->qwords,
+					      update->ofs, update->qwords,
 					      update);
 			else
 				ops->clear(vm, tile, &update->pt_bo->vmap,
-					   NULL, update->ofs, update->qwords,
+					   update->ofs, update->qwords,
 					   update);
 		}
 	}
diff --git a/drivers/gpu/drm/xe/xe_migrate.h b/drivers/gpu/drm/xe/xe_migrate.h
index 7a824654cb72..74ff6446309c 100644
--- a/drivers/gpu/drm/xe/xe_migrate.h
+++ b/drivers/gpu/drm/xe/xe_migrate.h
@@ -43,7 +43,6 @@ struct xe_migrate_pt_update_ops {
 	 * @populate: Populate a command buffer or page-table with ptes.
 	 * @tile: The tile for the current operation.
 	 * @map: struct iosys_map into the memory to be populated.
-	 * @pos: If @map is NULL, map into the memory to be populated.
 	 * @ofs: qword offset into @map, unused if @map is NULL.
 	 * @num_qwords: Number of qwords to write.
 	 * @update: Information about the PTEs to be inserted.
@@ -53,14 +52,13 @@ struct xe_migrate_pt_update_ops {
 	 * page-tables with PTEs.
 	 */
 	void (*populate)(struct xe_tile *tile, struct iosys_map *map,
-			 void *pos, u32 ofs, u32 num_qwords,
+			 u32 ofs, u32 num_qwords,
 			 const struct xe_vm_pgtable_update *update);
 	/**
 	 * @clear: Clear a command buffer or page-table with ptes.
 	 * @vm: VM being updated
 	 * @tile: The tile for the current operation.
 	 * @map: struct iosys_map into the memory to be populated.
-	 * @pos: If @map is NULL, map into the memory to be populated.
 	 * @ofs: qword offset into @map, unused if @map is NULL.
 	 * @num_qwords: Number of qwords to write.
 	 * @update: Information about the PTEs to be inserted.
@@ -70,8 +68,7 @@ struct xe_migrate_pt_update_ops {
 	 * page-tables with PTEs.
 	 */
 	void (*clear)(struct xe_vm *vm, struct xe_tile *tile,
-		      struct iosys_map *map, void *pos, u32 ofs,
-		      u32 num_qwords,
+		      struct iosys_map *map, u32 ofs, u32 num_qwords,
 		      const struct xe_vm_pgtable_update *update);
 
 	/**
diff --git a/drivers/gpu/drm/xe/xe_pt.c b/drivers/gpu/drm/xe/xe_pt.c
index 24190ba4f533..c17d5f96f00a 100644
--- a/drivers/gpu/drm/xe/xe_pt.c
+++ b/drivers/gpu/drm/xe/xe_pt.c
@@ -1106,30 +1106,18 @@ bool xe_pt_zap_ptes_range(struct xe_tile *tile, struct xe_vm *vm,
 
 static void
 xe_vm_populate_pgtable(struct xe_tile *tile, struct iosys_map *map,
-		       void *data, u32 qword_ofs, u32 num_qwords,
+		       u32 qword_ofs, u32 num_qwords,
 		       const struct xe_vm_pgtable_update *update)
 {
 	struct xe_pt_entry *ptes = update->pt_entries;
-	u64 *ptr = data;
 	u32 i;
 
-	/*
-	 * @qword_ofs is the absolute entry offset within the page table, while
-	 * @ptes is indexed relative to @update->ofs (its first entry). The GPU
-	 * path (write_pgtable) splits a single update into MAX_PTE_PER_SDI-sized
-	 * chunks, calling this with an advancing @qword_ofs but a fresh @data
-	 * pointer per chunk, so translate back into a @ptes index rather than
-	 * assuming the chunk starts at ptes[0].
-	 */
-	for (i = 0; i < num_qwords; i++) {
-		u32 idx = qword_ofs - update->ofs + i;
+	xe_assert(tile_to_xe(tile), map);
+	xe_assert(tile_to_xe(tile), !iosys_map_is_null(map));
 
-		if (map)
-			xe_map_wr(tile_to_xe(tile), map, (qword_ofs + i) *
-				  sizeof(u64), u64, ptes[idx].pte);
-		else
-			ptr[i] = ptes[idx].pte;
-	}
+	for (i = 0; i < num_qwords; i++)
+		xe_map_wr(tile_to_xe(tile), map, (qword_ofs + i) *
+			  sizeof(u64), u64, ptes[i].pte);
 }
 
 static void xe_pt_cancel_bind(struct xe_vma *vma,
@@ -2021,22 +2009,23 @@ static unsigned int xe_pt_stage_unbind(struct xe_tile *tile,
 
 static void
 xe_migrate_clear_pgtable_callback(struct xe_vm *vm, struct xe_tile *tile,
-				  struct iosys_map *map, void *ptr,
-				  u32 qword_ofs, u32 num_qwords,
+				  struct iosys_map *map, u32 qword_ofs,
+				  u32 num_qwords,
 				  const struct xe_vm_pgtable_update *update)
 {
 	u64 empty = __xe_pt_empty_pte(tile, vm, update->level);
 	int i;
 
-	if (map && map->is_iomem)
+	xe_assert(vm->xe, map);
+	xe_assert(vm->xe, !iosys_map_is_null(map));
+
+	if (map->is_iomem)
 		for (i = 0; i < num_qwords; ++i)
 			xe_map_wr(tile_to_xe(tile), map, (qword_ofs + i) *
 				  sizeof(u64), u64, empty);
-	else if (map)
+	else
 		memset64(map->vaddr + qword_ofs * sizeof(u64), empty,
 			 num_qwords);
-	else
-		memset64(ptr, empty, num_qwords);
 }
 
 static void xe_pt_abort_unbind(struct xe_vma *vma,
-- 
2.34.1