From: Danilo Krummrich Date: Fri, 1 Jul 2022 18:52:59 +0000 (+0200) Subject: drm: use idr_init_base() to initialize mode_config.tile_idr X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=1d4f70a65fafb484064b9c7caa7318e9fd2ab737;p=linux.git drm: use idr_init_base() to initialize mode_config.tile_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 Signed-off-by: Maxime Ripard Link: https://lore.kernel.org/r/20220701185303.284082-7-dakr@redhat.com --- diff --git a/drivers/gpu/drm/drm_mode_config.c b/drivers/gpu/drm/drm_mode_config.c index 6d832277aa735..688c8afe0bf17 100644 --- a/drivers/gpu/drm/drm_mode_config.c +++ b/drivers/gpu/drm/drm_mode_config.c @@ -413,7 +413,7 @@ int drmm_mode_config_init(struct drm_device *dev) INIT_LIST_HEAD(&dev->mode_config.plane_list); INIT_LIST_HEAD(&dev->mode_config.privobj_list); idr_init_base(&dev->mode_config.object_idr, 1); - idr_init(&dev->mode_config.tile_idr); + idr_init_base(&dev->mode_config.tile_idr, 1); ida_init(&dev->mode_config.connector_ida); spin_lock_init(&dev->mode_config.connector_list_lock);