[PATCH v3 05/12] drm/xe: Move suballocator init to after display init

Maarten Lankhorst maarten.lankhorst at linux.intel.com
Thu Oct 3 15:44:14 UTC 2024


No allocations should be done before we have had a chance to preserve
the display fb.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
---
 drivers/gpu/drm/xe/xe_device.c |  6 ++++++
 drivers/gpu/drm/xe/xe_tile.c   | 12 ++++++++----
 drivers/gpu/drm/xe/xe_tile.h   |  1 +
 3 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c
index 09a7ad830e695..e9e2946b0b53c 100644
--- a/drivers/gpu/drm/xe/xe_device.c
+++ b/drivers/gpu/drm/xe/xe_device.c
@@ -732,6 +732,12 @@ int xe_device_probe(struct xe_device *xe)
 	if (err)
 		goto err;
 
+	for_each_tile(tile, xe, id) {
+		err = xe_tile_init(tile);
+		if (err)
+			goto err;
+	}
+
 	for_each_gt(gt, xe, id) {
 		last_gt = id;
 
diff --git a/drivers/gpu/drm/xe/xe_tile.c b/drivers/gpu/drm/xe/xe_tile.c
index dda5268507d8e..164751bd9af22 100644
--- a/drivers/gpu/drm/xe/xe_tile.c
+++ b/drivers/gpu/drm/xe/xe_tile.c
@@ -167,10 +167,6 @@ int xe_tile_init_noalloc(struct xe_tile *tile)
 	if (err)
 		return err;
 
-	tile->mem.kernel_bb_pool = xe_sa_bo_manager_init(tile, SZ_1M, 16);
-	if (IS_ERR(tile->mem.kernel_bb_pool))
-		return PTR_ERR(tile->mem.kernel_bb_pool);
-
 	xe_wa_apply_tile_workarounds(tile);
 
 	err = xe_tile_sysfs_init(tile);
@@ -178,6 +174,14 @@ int xe_tile_init_noalloc(struct xe_tile *tile)
 	return 0;
 }
 
+int xe_tile_init(struct xe_tile *tile)
+{
+	tile->mem.kernel_bb_pool = xe_sa_bo_manager_init(tile, SZ_1M, 16);
+	if (IS_ERR(tile->mem.kernel_bb_pool))
+		return PTR_ERR(tile->mem.kernel_bb_pool);
+
+	return 0;
+}
 void xe_tile_migrate_wait(struct xe_tile *tile)
 {
 	xe_migrate_wait(tile->migrate);
diff --git a/drivers/gpu/drm/xe/xe_tile.h b/drivers/gpu/drm/xe/xe_tile.h
index 1c9e42ade6b05..eb939316d55b0 100644
--- a/drivers/gpu/drm/xe/xe_tile.h
+++ b/drivers/gpu/drm/xe/xe_tile.h
@@ -12,6 +12,7 @@ struct xe_tile;
 
 int xe_tile_init_early(struct xe_tile *tile, struct xe_device *xe, u8 id);
 int xe_tile_init_noalloc(struct xe_tile *tile);
+int xe_tile_init(struct xe_tile *tile);
 
 void xe_tile_migrate_wait(struct xe_tile *tile);
 
-- 
2.45.2



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