check for CPU fifo underruns immediately
void intel_check_cpu_fifo_underruns (
|struct drm_i915_private * dev_priv|
i915 device instance
Check for CPU fifo underruns immediately. Useful on IVB/HSW where the shared
error interrupt may have been disabled, and so CPU fifo underruns won't
necessarily raise an interrupt, and on GMCH platforms where underruns never
raise an interrupt.