DMC_EVT_CTL
DMC_EVT_CTL(display, dmc_id, handler),
u32 start = i915_mmio_reg_offset(DMC_EVT_CTL(display, dmc_id, 0));
u32 end = i915_mmio_reg_offset(DMC_EVT_CTL(display, dmc_id, DMC_EVENT_HANDLER_COUNT_GEN12));
if (i915_mmio_reg_offset(reg_ctl) - i915_mmio_reg_offset(DMC_EVT_CTL(display, dmc_id, 0)) !=