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drm/amdgpu: use idr_init_base() to initialize fpriv->bo_list_handles

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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/20220701185303.284082-3-dakr@redhat.com
This commit is contained in:
Danilo Krummrich 2022-07-01 20:52:55 +02:00 committed by Maxime Ripard
parent 2ddd1e6ccb
commit c4f306e316
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1 changed files with 1 additions and 1 deletions
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drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
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@ -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);