Name
intel_pch_fifo_underrun_irq_handler — 
     handle PCH fifo underrun interrupt
 
Synopsis
| void intel_pch_fifo_underrun_irq_handler ( | struct drm_i915_private * dev_priv, | 
|  | enum transcoder pch_transcoder ); | 
 
Arguments
- dev_priv
- 
     i915 device instance
     
- pch_transcoder
- 
     the PCH transcoder (same as pipe on IVB and older)
     
Description
   This handles a PCH fifo underrun interrupt, generating an underrun warning
   into dmesg if underrun reporting is enabled and then disables the underrun
   interrupt to avoid an irq storm.