diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 33aabc79813b70..e3ec9049081fd8 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2562,6 +2562,8 @@ static const char *power_domain_str(enum intel_display_power_domain domain)
 		return "PORT_DDI_D_2_LANES";
 	case POWER_DOMAIN_PORT_DDI_D_4_LANES:
 		return "PORT_DDI_D_4_LANES";
+	case POWER_DOMAIN_PORT_DDI_E_2_LANES:
+		return "PORT_DDI_E_2_LANES";
 	case POWER_DOMAIN_PORT_DSI:
 		return "PORT_DSI";
 	case POWER_DOMAIN_PORT_CRT:
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 9b9bd2e34c1320..e304d4e5ae0c92 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -182,6 +182,7 @@ enum intel_display_power_domain {
 	POWER_DOMAIN_PORT_DDI_C_4_LANES,
 	POWER_DOMAIN_PORT_DDI_D_2_LANES,
 	POWER_DOMAIN_PORT_DDI_D_4_LANES,
+	POWER_DOMAIN_PORT_DDI_E_2_LANES,
 	POWER_DOMAIN_PORT_DSI,
 	POWER_DOMAIN_PORT_CRT,
 	POWER_DOMAIN_PORT_OTHER,
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 9bae13394e5baa..a5cddcd6d3e077 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5150,7 +5150,6 @@ static enum intel_display_power_domain port_to_power_domain(enum port port)
 {
 	switch (port) {
 	case PORT_A:
-	case PORT_E:
 		return POWER_DOMAIN_PORT_DDI_A_4_LANES;
 	case PORT_B:
 		return POWER_DOMAIN_PORT_DDI_B_4_LANES;
@@ -5158,6 +5157,8 @@ static enum intel_display_power_domain port_to_power_domain(enum port port)
 		return POWER_DOMAIN_PORT_DDI_C_4_LANES;
 	case PORT_D:
 		return POWER_DOMAIN_PORT_DDI_D_4_LANES;
+	case PORT_E:
+		return POWER_DOMAIN_PORT_DDI_E_2_LANES;
 	default:
 		WARN_ON_ONCE(1);
 		return POWER_DOMAIN_PORT_OTHER;
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index 821644d1b544eb..af7fdb3bd663ae 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -297,6 +297,7 @@ static void hsw_set_power_well(struct drm_i915_private *dev_priv,
 	BIT(POWER_DOMAIN_PORT_DDI_C_4_LANES) |		\
 	BIT(POWER_DOMAIN_PORT_DDI_D_2_LANES) |		\
 	BIT(POWER_DOMAIN_PORT_DDI_D_4_LANES) |		\
+	BIT(POWER_DOMAIN_PORT_DDI_E_2_LANES) |		\
 	BIT(POWER_DOMAIN_AUX_B) |                       \
 	BIT(POWER_DOMAIN_AUX_C) |			\
 	BIT(POWER_DOMAIN_AUX_D) |			\
@@ -316,6 +317,7 @@ static void hsw_set_power_well(struct drm_i915_private *dev_priv,
 #define SKL_DISPLAY_DDI_A_E_POWER_DOMAINS (		\
 	BIT(POWER_DOMAIN_PORT_DDI_A_2_LANES) |		\
 	BIT(POWER_DOMAIN_PORT_DDI_A_4_LANES) |		\
+	BIT(POWER_DOMAIN_PORT_DDI_E_2_LANES) |		\
 	BIT(POWER_DOMAIN_INIT))
 #define SKL_DISPLAY_DDI_B_POWER_DOMAINS (		\
 	BIT(POWER_DOMAIN_PORT_DDI_B_2_LANES) |		\