diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index ef0c1a86a52f7c02f2edb78ca5eacc11750002ae..23dc1b5328d0615a5298fd6d702abda1a3075108 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1097,6 +1097,12 @@ enum i915_power_well_id {
 	/*  - custom power well */
 	CHV_DISP_PW_PIPE_A,			/* 13 */
 
+	/*
+	 * HSW/BDW
+	 *  - HSW_PWR_WELL_DRIVER (status bit: id*2, req bit: id*2+1)
+	 */
+	HSW_DISP_PW_GLOBAL = 15,
+
 	/*
 	 * GEN9+
 	 *  - HSW_PWR_WELL_DRIVER (status bit: id*2, req bit: id*2+1)
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index c36ec160b79f98ca4b652a97fdcae1eaea005b3b..7443a61ba0c52bf8aa6a0550fded5b25c5354034 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -2080,6 +2080,7 @@ static struct i915_power_well hsw_power_wells[] = {
 		.name = "display",
 		.domains = HSW_DISPLAY_POWER_DOMAINS,
 		.ops = &hsw_power_well_ops,
+		.id = HSW_DISP_PW_GLOBAL,
 	},
 };
 
@@ -2095,6 +2096,7 @@ static struct i915_power_well bdw_power_wells[] = {
 		.name = "display",
 		.domains = BDW_DISPLAY_POWER_DOMAINS,
 		.ops = &hsw_power_well_ops,
+		.id = HSW_DISP_PW_GLOBAL,
 	},
 };