diff --git a/drivers/gpu/drm/i915/display/intel_dmc_regs.h b/drivers/gpu/drm/i915/display/intel_dmc_regs.h
index 1bf446f96a10..2f1e3cb1a247 100644
--- a/drivers/gpu/drm/i915/display/intel_dmc_regs.h
+++ b/drivers/gpu/drm/i915/display/intel_dmc_regs.h
@@ -21,6 +21,12 @@
 #define MTL_PIPEDMC_CONTROL		_MMIO(0x45250)
 #define  PIPEDMC_ENABLE_MTL(pipe)	REG_BIT(((pipe) - PIPE_A) * 4)
 
+#define _MTL_PIPEDMC_EVT_CTL_4_A	0x5f044
+#define _MTL_PIPEDMC_EVT_CTL_4_B	0x5f444
+#define MTL_PIPEDMC_EVT_CTL_4(pipe)	_MMIO_PIPE(pipe,		\
+						   _MTL_PIPEDMC_EVT_CTL_4_A, \
+						   _MTL_PIPEDMC_EVT_CTL_4_B)
+
 #define _ADLP_PIPEDMC_REG_MMIO_BASE_A	0x5f000
 #define _TGL_PIPEDMC_REG_MMIO_BASE_A	0x92000