Symbol: OABUFFER_SIZE_16M
sys/dev/drm/i915/i915_perf.c
1400
I915_WRITE(GEN7_OASTATUS1, gtt_offset | OABUFFER_SIZE_16M); /* tail */
sys/dev/drm/i915/i915_perf.c
1455
OABUFFER_SIZE_16M | GEN8_OABUFFER_MEM_SELECT_GGTT);