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由 Chris Wilson 提交于
The most frequent relocation within a batchbuffer is a contiguous sequence of vertex buffer relocations, for which we can virtually eliminate the drm_gem_object_lookup() overhead by caching the last handle to object translation. In doing so we refactor the pin and relocate retry loop out of do_execbuffer into its own helper function and so improve the error paths. Signed-off-by: NChris Wilson <chris@chris-wilson.co.uk>
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