intel_get_interrupt_mask
const uint32 pipeAMask = intel_get_interrupt_mask(info, INTEL_PIPE_A, true);
const uint32 pipeBMask = intel_get_interrupt_mask(info, INTEL_PIPE_B, true);
const uint32 pipeAMask = intel_get_interrupt_mask(info, INTEL_PIPE_A, false);
const uint32 pipeBMask = intel_get_interrupt_mask(info, INTEL_PIPE_B, false);
const uint32 bit = intel_get_interrupt_mask(info, pipe, false);