Name

intel_check_cpu_fifo_underruns — check for CPU fifo underruns immediately

Synopsis

void intel_check_cpu_fifo_underruns (struct drm_i915_private * dev_priv);
 

Arguments

dev_priv

i915 device instance

Description

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.