Symbol: FBC_UNDERRUN_DECMPR
drivers/gpu/drm/i915/display/intel_fbc.c
2253
if (!(val & FBC_UNDERRUN_DECMPR))
drivers/gpu/drm/i915/display/intel_fbc.c
2256
intel_de_write(display, FBC_DEBUG_STATUS(fbc->id), FBC_UNDERRUN_DECMPR);