From: Danilo Krummrich Date: Fri, 1 Jul 2022 18:52:55 +0000 (+0200) Subject: drm/amdgpu: use idr_init_base() to initialize fpriv->bo_list_handles X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c4f306e31632e997c01f3e5ff3298ffc3a127999;p=linux.git drm/amdgpu: use idr_init_base() to initialize fpriv->bo_list_handles 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/20220701185303.284082-3-dakr@redhat.com --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index 6de63ea6687eb..103927c48d051 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -1148,7 +1148,7 @@ int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) } mutex_init(&fpriv->bo_list_lock); - idr_init(&fpriv->bo_list_handles); + idr_init_base(&fpriv->bo_list_handles, 1); amdgpu_ctx_mgr_init(&fpriv->ctx_mgr, adev);