Claude review: drm/vmwgfx: Remove duplicates in vmwgfx_bo.h

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Overall Series Review

Subject: drm/vmwgfx: Remove duplicates in vmwgfx_bo.h
Author: Maaz Mombasawala <maaz.mombasawala@broadcom.com>
Patches: 1
Reviewed: 2026-05-25T19:30:20.019359

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This is a straightforward, correct cleanup patch. It removes two inline functions (`vmw_user_bo_ref` and `vmw_user_bo_unref`) from `vmwgfx_bo.h` that are exact duplicates of the existing `vmw_bo_reference` and `vmw_bo_unreference` in the same header, and updates all callers. It also removes a duplicate `struct vmw_bo;` forward declaration in `vmwgfx_drv.h`.

The code transformation is entirely mechanical — every `vmw_user_bo_ref(x)` becomes `vmw_bo_reference(x)` and every `vmw_user_bo_unref(&x)` becomes `vmw_bo_unreference(&x)`. The replacement functions have identical signatures and identical bodies (`drm_gem_object_get`/`drm_gem_object_put` on the same `tbo.base` member), so there is no behavioral change.

**Verdict: Looks good.** No issues found.

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