busy_up 1078 drivers/gpu/drm/i915/i915_irq.c u32 busy_up, busy_down, max_avg, min_avg; busy_up 1090 drivers/gpu/drm/i915/i915_irq.c busy_up = intel_uncore_read(uncore, RCPREVBSYTUPAVG); busy_up 1096 drivers/gpu/drm/i915/i915_irq.c if (busy_up > max_avg) {