diff options
author | Danilo Krummrich <dakr@redhat.com> | 2022-07-01 20:53:00 +0200 |
---|---|---|
committer | Maxime Ripard <maxime@cerno.tech> | 2022-07-28 15:35:56 +0100 |
commit | bf8afc2090795b8640bf1842529627e69f673df4 (patch) | |
tree | 45b5b88aff6261211b71587d2413ccbdfb8ac322 /drivers | |
parent | 1d4f70a65fafb484064b9c7caa7318e9fd2ab737 (diff) | |
download | lwn-bf8afc2090795b8640bf1842529627e69f673df4.tar.gz lwn-bf8afc2090795b8640bf1842529627e69f673df4.zip |
drm/sis: use idr_init_base() to initialize dev_priv->object_idr
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>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20220701185303.284082-8-dakr@redhat.com
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpu/drm/sis/sis_drv.c | 2 |
1 files changed, 1 insertions, 1 deletions
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; |