github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-30 10:04:04 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/v3d: use idr_init_base() to initialize v3d_priv->perfmon.idr

Browse Source 
idr_init_base(), implemented by commit 6ce711f275 ("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/20220701190227.284783-1-dakr@redhat.com
This commit is contained in:
Danilo Krummrich 2022-07-01 21:02:25 +02:00 committed by Maxime Ripard
parent bf8afc2090
commit 604bda63bf
No known key found for this signature in database
GPG Key ID: 8843CAE637A1B7CB
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/v3d/v3d_perfmon.c
View File

@ -95,7 +95,7 @@ struct v3d_perfmon *v3d_perfmon_find(struct v3d_file_priv *v3d_priv, int id)
void v3d_perfmon_open_file(struct v3d_file_priv *v3d_priv)
{
mutex_init(&v3d_priv->perfmon.lock);
idr_init(&v3d_priv->perfmon.idr);
idr_init_base(&v3d_priv->perfmon.idr, 1);
}
static int v3d_perfmon_idr_del(int id, void *elem, void *data)