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.