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  /src/sys/external/bsd/drm2/dist/drm/i915/
i915_perf.c 495 u32 head, hw_tail, aged_tail, aging_tail; local in function:oa_buffer_check
513 hw_tail = stream->perf->ops.oa_hw_tail_read(stream);
518 hw_tail &= ~(report_size - 1);
556 OA_TAKEN(hw_tail, aged_tail) >= report_size)) {
564 if (hw_tail >= gtt_offset &&
565 hw_tail < (gtt_offset + OA_BUFFER_SIZE)) {
567 aging_tail = hw_tail;
571 hw_tail);

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