oa_freq_hz 2867 drivers/gpu/drm/i915/i915_perf.c u64 oa_period, oa_freq_hz; oa_freq_hz 2938 drivers/gpu/drm/i915/i915_perf.c oa_freq_hz = tmp; oa_freq_hz 2940 drivers/gpu/drm/i915/i915_perf.c oa_freq_hz = 0; oa_freq_hz 2942 drivers/gpu/drm/i915/i915_perf.c if (oa_freq_hz > i915_oa_max_sample_rate &&