diff --git a/msm/sde/sde_irq.c b/msm/sde/sde_irq.c
index e8574156512e..974c163a6770 100644
--- a/msm/sde/sde_irq.c
+++ b/msm/sde/sde_irq.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2015-2019, 2021, The Linux Foundation. All rights reserved.
  */
 
 #define pr_fmt(fmt)	"[drm:%s:%d] " fmt, __func__, __LINE__
@@ -22,6 +22,8 @@ void sde_irq_update(struct msm_kms *msm_kms, bool enable)
 		SDE_ERROR("invalid kms arguments\n");
 		return;
 	}
+	if (sde_kms->irq_num < 0)
+		return;
 
 	sde_kms->irq_enabled = enable;
 
diff --git a/msm/sde/sde_kms.c b/msm/sde/sde_kms.c
index bb7f41ec65db..4bd92b2c5a52 100644
--- a/msm/sde/sde_kms.c
+++ b/msm/sde/sde_kms.c
@@ -4795,6 +4795,7 @@ struct msm_kms *sde_kms_init(struct drm_device *dev)
 
 	msm_kms_init(&sde_kms->base, &kms_funcs);
 	sde_kms->dev = dev;
+	sde_kms->irq_num = -1;
 
 	return &sde_kms->base;
 }