freedreno: Skip taking the lock for resource usage if it's already flagged.
Improves nohw drawoverhead 8-ubos update throughput by 13.493% +/- 0.391444% (n=15). Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5011>
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@ -145,6 +145,11 @@ fd_resource_set_usage(struct pipe_resource *prsc, enum fd_dirty_3d_state usage)
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if (!prsc)
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if (!prsc)
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return;
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return;
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struct fd_resource *rsc = fd_resource(prsc);
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struct fd_resource *rsc = fd_resource(prsc);
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/* Bits are only ever ORed in, and we expect many set_usage() per
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* resource, so do the quick check outside of the lock.
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*/
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if (likely(rsc->dirty & usage))
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return;
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fd_resource_lock(rsc);
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fd_resource_lock(rsc);
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rsc->dirty |= usage;
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rsc->dirty |= usage;
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fd_resource_unlock(rsc);
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fd_resource_unlock(rsc);
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