diff mbox series

[07/10] drm/sis: use idr_init_base() to initialize dev_priv->object_idr

Message ID 20220701185303.284082-8-dakr@redhat.com (mailing list archive)
State New, archived
Headers show
Series drm: use idr_init_base() over idr_init() if applicable | expand

Commit Message

Danilo Krummrich July 1, 2022, 6:53 p.m. UTC 
From: Danilo Krummrich <dakr@redhat.com>

idr_init_base(), implemented by commit 6ce711f27500 ("idr: Make 1-based
IDRs more efficient"), let us set an arbitrary base other than
idr_init(), which uses base 0.

Since, for this IDR, no ID < 1 is ever requested/allocated, using
idr_init_base(&idr, 1) avoids unnecessary tree walks.

Signed-off-by: Danilo Krummrich <dakr@redhat.com>
---
 drivers/gpu/drm/sis/sis_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/sis/sis_drv.c b/drivers/gpu/drm/sis/sis_drv.c
index e35e719cf315..6173020a9bf5 100644
--- a/drivers/gpu/drm/sis/sis_drv.c
+++ b/drivers/gpu/drm/sis/sis_drv.c
@@ -50,7 +50,7 @@  static int sis_driver_load(struct drm_device *dev, unsigned long chipset)
 	if (dev_priv == NULL)
 		return -ENOMEM;
 
-	idr_init(&dev_priv->object_idr);
+	idr_init_base(&dev_priv->object_idr, 1);
 	dev->dev_private = (void *)dev_priv;
 	dev_priv->chipset = chipset;