diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 831d185c07d2..42d6d8bfac70 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -264,7 +264,7 @@ static void gen2_irq_init(struct intel_uncore *uncore,
 	gen2_irq_init((uncore), imr_val, ier_val)
 
 static void gen6_rps_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir);
-static void gen9_guc_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir);
+static void guc_irq_handler(struct intel_guc *guc, u16 guc_iir);
 
 /* For display hotplug interrupt */
 static inline void
@@ -658,8 +658,7 @@ void gen11_enable_guc_interrupts(struct intel_guc *guc)
 
 	spin_lock_irq(&dev_priv->irq_lock);
 	if (!guc->interrupts.enabled) {
-		u32 events = REG_FIELD_PREP(ENGINE1_MASK,
-					    GEN11_GUC_INTR_GUC2HOST);
+		u32 events = REG_FIELD_PREP(ENGINE1_MASK, GUC_INTR_GUC2HOST);
 
 		WARN_ON_ONCE(gen11_reset_one_iir(&dev_priv->gt, 0, GEN11_GUC));
 		I915_WRITE(GEN11_GUC_SG_INTR_ENABLE, events);
@@ -1656,7 +1655,7 @@ static void gen8_gt_irq_handler(struct drm_i915_private *i915,
 
 	if (master_ctl & (GEN8_GT_PM_IRQ | GEN8_GT_GUC_IRQ)) {
 		gen6_rps_irq_handler(i915, gt_iir[2]);
-		gen9_guc_irq_handler(i915, gt_iir[2]);
+		guc_irq_handler(&i915->guc, gt_iir[2] >> 16);
 	}
 }
 
@@ -1955,16 +1954,10 @@ static void gen6_rps_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir)
 		DRM_DEBUG("Command parser error, pm_iir 0x%08x\n", pm_iir);
 }
 
-static void gen9_guc_irq_handler(struct drm_i915_private *dev_priv, u32 gt_iir)
+static void guc_irq_handler(struct intel_guc *guc, u16 iir)
 {
-	if (gt_iir & GEN9_GUC_TO_HOST_INT_EVENT)
-		intel_guc_to_host_event_handler(&dev_priv->guc);
-}
-
-static void gen11_guc_irq_handler(struct drm_i915_private *i915, u16 iir)
-{
-	if (iir & GEN11_GUC_INTR_GUC2HOST)
-		intel_guc_to_host_event_handler(&i915->guc);
+	if (iir & GUC_INTR_GUC2HOST)
+		intel_guc_to_host_event_handler(guc);
 }
 
 static void i9xx_pipestat_irq_reset(struct drm_i915_private *dev_priv)
@@ -3092,7 +3085,7 @@ gen11_other_irq_handler(struct intel_gt *gt, const u8 instance,
 	struct drm_i915_private *i915 = gt->i915;
 
 	if (instance == OTHER_GUC_INSTANCE)
-		return gen11_guc_irq_handler(i915, iir);
+		return guc_irq_handler(&i915->guc, iir);
 
 	if (instance == OTHER_GTPM_INSTANCE)
 		return gen11_rps_irq_handler(gt, iir);
@@ -4764,8 +4757,9 @@ void intel_irq_init(struct drm_i915_private *dev_priv)
 	for (i = 0; i < MAX_L3_SLICES; ++i)
 		dev_priv->l3_parity.remap_info[i] = NULL;
 
+	/* pre-gen11 the guc irqs bits are in the upper 16 bits of the pm reg */
 	if (HAS_GUC_SCHED(dev_priv) && INTEL_GEN(dev_priv) < 11)
-		dev_priv->pm_guc_events = GEN9_GUC_TO_HOST_INT_EVENT;
+		dev_priv->pm_guc_events = GUC_INTR_GUC2HOST << 16;
 
 	/* Let's track the enabled rps events */
 	if (IS_VALLEYVIEW(dev_priv))
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 0dd4506323f2..fdd9bc01e694 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -7357,16 +7357,6 @@ enum {
 #define GEN8_GT_IIR(which) _MMIO(0x44308 + (0x10 * (which)))
 #define GEN8_GT_IER(which) _MMIO(0x4430c + (0x10 * (which)))
 
-#define GEN9_GUC_TO_HOST_INT_EVENT	(1 << 31)
-#define GEN9_GUC_EXEC_ERROR_EVENT	(1 << 30)
-#define GEN9_GUC_DISPLAY_EVENT		(1 << 29)
-#define GEN9_GUC_SEMA_SIGNAL_EVENT	(1 << 28)
-#define GEN9_GUC_IOMMU_MSG_EVENT	(1 << 27)
-#define GEN9_GUC_DB_RING_EVENT		(1 << 26)
-#define GEN9_GUC_DMA_DONE_EVENT		(1 << 25)
-#define GEN9_GUC_FATAL_ERROR_EVENT	(1 << 24)
-#define GEN9_GUC_NOTIFICATION_EVENT	(1 << 23)
-
 #define GEN8_RCS_IRQ_SHIFT 0
 #define GEN8_BCS_IRQ_SHIFT 16
 #define GEN8_VCS0_IRQ_SHIFT 0  /* NB: VCS1 in bspec! */
diff --git a/drivers/gpu/drm/i915/intel_guc_reg.h b/drivers/gpu/drm/i915/intel_guc_reg.h
index a5ab7bc5504c..e3cbb23299ce 100644
--- a/drivers/gpu/drm/i915/intel_guc_reg.h
+++ b/drivers/gpu/drm/i915/intel_guc_reg.h
@@ -141,21 +141,21 @@ struct guc_doorbell_info {
 #define GUC_PM_P24C_IER			_MMIO(0xC55C)
 
 /* GuC Interrupt Vector */
-#define GEN11_GUC_INTR_GUC2HOST		(1 << 15)
-#define GEN11_GUC_INTR_EXEC_ERROR	(1 << 14)
-#define GEN11_GUC_INTR_DISPLAY_EVENT	(1 << 13)
-#define GEN11_GUC_INTR_SEM_SIG		(1 << 12)
-#define GEN11_GUC_INTR_IOMMU2GUC	(1 << 11)
-#define GEN11_GUC_INTR_DOORBELL_RANG	(1 << 10)
-#define GEN11_GUC_INTR_DMA_DONE		(1 <<  9)
-#define GEN11_GUC_INTR_FATAL_ERROR	(1 <<  8)
-#define GEN11_GUC_INTR_NOTIF_ERROR	(1 <<  7)
-#define GEN11_GUC_INTR_SW_INT_6		(1 <<  6)
-#define GEN11_GUC_INTR_SW_INT_5		(1 <<  5)
-#define GEN11_GUC_INTR_SW_INT_4		(1 <<  4)
-#define GEN11_GUC_INTR_SW_INT_3		(1 <<  3)
-#define GEN11_GUC_INTR_SW_INT_2		(1 <<  2)
-#define GEN11_GUC_INTR_SW_INT_1		(1 <<  1)
-#define GEN11_GUC_INTR_SW_INT_0		(1 <<  0)
+#define GUC_INTR_GUC2HOST		BIT(15)
+#define GUC_INTR_EXEC_ERROR		BIT(14)
+#define GUC_INTR_DISPLAY_EVENT		BIT(13)
+#define GUC_INTR_SEM_SIG		BIT(12)
+#define GUC_INTR_IOMMU2GUC		BIT(11)
+#define GUC_INTR_DOORBELL_RANG		BIT(10)
+#define GUC_INTR_DMA_DONE		BIT(9)
+#define GUC_INTR_FATAL_ERROR		BIT(8)
+#define GUC_INTR_NOTIF_ERROR		BIT(7)
+#define GUC_INTR_SW_INT_6		BIT(6)
+#define GUC_INTR_SW_INT_5		BIT(5)
+#define GUC_INTR_SW_INT_4		BIT(4)
+#define GUC_INTR_SW_INT_3		BIT(3)
+#define GUC_INTR_SW_INT_2		BIT(2)
+#define GUC_INTR_SW_INT_1		BIT(1)
+#define GUC_INTR_SW_INT_0		BIT(0)
 
 #endif