SDE_ERROR_CPT 240 drivers/gpu/drm/i915/display/intel_fifo_underrun.c ibx_enable_display_interrupt(dev_priv, SDE_ERROR_CPT); SDE_ERROR_CPT 242 drivers/gpu/drm/i915/display/intel_fifo_underrun.c ibx_disable_display_interrupt(dev_priv, SDE_ERROR_CPT); SDE_ERROR_CPT 2255 drivers/gpu/drm/i915/i915_irq.c if (pch_iir & SDE_ERROR_CPT)