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[RESEND,04/10] drm: use idr_init_base() to initialize master->lessee_idr

Message ID 20220720132830.193747-5-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 20, 2022, 1:28 p.m. UTC 
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>
Acked-by: Christian König <christian.koenig@amd.com>
---
 drivers/gpu/drm/drm_auth.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/gpu/drm/drm_auth.c b/drivers/gpu/drm/drm_auth.c
index 63395bebaa6b..cf92a9ae8034 100644
--- a/drivers/gpu/drm/drm_auth.c
+++ b/drivers/gpu/drm/drm_auth.c
@@ -147,7 +147,7 @@  struct drm_master *drm_master_create(struct drm_device *dev)
 	INIT_LIST_HEAD(&master->lessees);
 	INIT_LIST_HEAD(&master->lessee_list);
 	idr_init(&master->leases);
-	idr_init(&master->lessee_idr);
+	idr_init_base(&master->lessee_idr, 1);
 
 	return master;
 }