diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.h
index b5b6e7031fb9e95a5a413bfc2b4ddd75f3c640ab..ba06312cbb163e82e5db8f8757e79dc942fc8cf9 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.h
@@ -53,7 +53,7 @@ u32 dpu_core_irq_read(
 int dpu_core_irq_register_callback(
 		struct dpu_kms *dpu_kms,
 		int irq_idx,
-		void (*irq_cb)(void *arg, int irq_idx),
+		void (*irq_cb)(void *arg),
 		void *irq_arg);
 
 /**
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index 20e118546432d2702b4868e7317e2c580afad5c5..5fb7e2e10801d3c75cdff38514356f7a93427e1f 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -357,8 +357,8 @@ static int dpu_encoder_helper_wait_event_timeout(int32_t drm_id,
 		u32 irq_idx, struct dpu_encoder_wait_info *info);
 
 int dpu_encoder_helper_wait_for_irq(struct dpu_encoder_phys *phys_enc,
-		int irq,
-		void (*func)(void *arg, int irq_idx),
+		int irq_idx,
+		void (*func)(void *arg),
 		struct dpu_encoder_wait_info *wait_info)
 {
 	u32 irq_status;
@@ -372,54 +372,54 @@ int dpu_encoder_helper_wait_for_irq(struct dpu_encoder_phys *phys_enc,
 
 	/* return EWOULDBLOCK since we know the wait isn't necessary */
 	if (phys_enc->enable_state == DPU_ENC_DISABLED) {
-		DRM_ERROR("encoder is disabled id=%u, callback=%ps, irq=%d\n",
+		DRM_ERROR("encoder is disabled id=%u, callback=%ps, IRQ=[%d, %d]\n",
 			  DRMID(phys_enc->parent), func,
-			  irq);
+			  DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx));
 		return -EWOULDBLOCK;
 	}
 
-	if (irq < 0) {
+	if (irq_idx < 0) {
 		DRM_DEBUG_KMS("skip irq wait id=%u, callback=%ps\n",
 			      DRMID(phys_enc->parent), func);
 		return 0;
 	}
 
-	DRM_DEBUG_KMS("id=%u, callback=%ps, irq=%d, pp=%d, pending_cnt=%d\n",
+	DRM_DEBUG_KMS("id=%u, callback=%ps, IRQ=[%d, %d], pp=%d, pending_cnt=%d\n",
 		      DRMID(phys_enc->parent), func,
-		      irq, phys_enc->hw_pp->idx - PINGPONG_0,
+		      DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx), phys_enc->hw_pp->idx - PINGPONG_0,
 		      atomic_read(wait_info->atomic_cnt));
 
 	ret = dpu_encoder_helper_wait_event_timeout(
 			DRMID(phys_enc->parent),
-			irq,
+			irq_idx,
 			wait_info);
 
 	if (ret <= 0) {
-		irq_status = dpu_core_irq_read(phys_enc->dpu_kms, irq);
+		irq_status = dpu_core_irq_read(phys_enc->dpu_kms, irq_idx);
 		if (irq_status) {
 			unsigned long flags;
 
-			DRM_DEBUG_KMS("irq not triggered id=%u, callback=%ps, irq=%d, pp=%d, atomic_cnt=%d\n",
+			DRM_DEBUG_KMS("IRQ=[%d, %d] not triggered id=%u, callback=%ps, pp=%d, atomic_cnt=%d\n",
+				      DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx),
 				      DRMID(phys_enc->parent), func,
-				      irq,
 				      phys_enc->hw_pp->idx - PINGPONG_0,
 				      atomic_read(wait_info->atomic_cnt));
 			local_irq_save(flags);
-			func(phys_enc, irq);
+			func(phys_enc);
 			local_irq_restore(flags);
 			ret = 0;
 		} else {
 			ret = -ETIMEDOUT;
-			DRM_DEBUG_KMS("irq timeout id=%u, callback=%ps, irq=%d, pp=%d, atomic_cnt=%d\n",
+			DRM_DEBUG_KMS("IRQ=[%d, %d] timeout id=%u, callback=%ps, pp=%d, atomic_cnt=%d\n",
+				      DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx),
 				      DRMID(phys_enc->parent), func,
-				      irq,
 				      phys_enc->hw_pp->idx - PINGPONG_0,
 				      atomic_read(wait_info->atomic_cnt));
 		}
 	} else {
 		ret = 0;
 		trace_dpu_enc_irq_wait_success(DRMID(phys_enc->parent),
-			func, irq,
+			func, irq_idx,
 			phys_enc->hw_pp->idx - PINGPONG_0,
 			atomic_read(wait_info->atomic_cnt));
 	}
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h
index d48558ede488d51e5b7bf36d58aabeb346f36103..f91661a6988824b9e8643f375de4ef901329df85 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h
@@ -365,7 +365,7 @@ void dpu_encoder_helper_report_irq_timeout(struct dpu_encoder_phys *phys_enc,
  */
 int dpu_encoder_helper_wait_for_irq(struct dpu_encoder_phys *phys_enc,
 		int irq,
-		void (*func)(void *arg, int irq_idx),
+		void (*func)(void *arg),
 		struct dpu_encoder_wait_info *wait_info);
 
 /**
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
index df88358e7037bf974f2565d6a3b412daac0880f0..9589fe71945211cb924500e36d14f8fe76066455 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
@@ -76,7 +76,7 @@ static void _dpu_encoder_phys_cmd_update_intf_cfg(
 		phys_enc->hw_intf->ops.program_intf_cmd_cfg(phys_enc->hw_intf, &cmd_mode_cfg);
 }
 
-static void dpu_encoder_phys_cmd_pp_tx_done_irq(void *arg, int irq_idx)
+static void dpu_encoder_phys_cmd_pp_tx_done_irq(void *arg)
 {
 	struct dpu_encoder_phys *phys_enc = arg;
 	unsigned long lock_flags;
@@ -103,7 +103,7 @@ static void dpu_encoder_phys_cmd_pp_tx_done_irq(void *arg, int irq_idx)
 	DPU_ATRACE_END("pp_done_irq");
 }
 
-static void dpu_encoder_phys_cmd_te_rd_ptr_irq(void *arg, int irq_idx)
+static void dpu_encoder_phys_cmd_te_rd_ptr_irq(void *arg)
 {
 	struct dpu_encoder_phys *phys_enc = arg;
 	struct dpu_encoder_phys_cmd *cmd_enc;
@@ -126,7 +126,7 @@ static void dpu_encoder_phys_cmd_te_rd_ptr_irq(void *arg, int irq_idx)
 	DPU_ATRACE_END("rd_ptr_irq");
 }
 
-static void dpu_encoder_phys_cmd_ctl_start_irq(void *arg, int irq_idx)
+static void dpu_encoder_phys_cmd_ctl_start_irq(void *arg)
 {
 	struct dpu_encoder_phys *phys_enc = arg;
 
@@ -139,7 +139,7 @@ static void dpu_encoder_phys_cmd_ctl_start_irq(void *arg, int irq_idx)
 	DPU_ATRACE_END("ctl_start_irq");
 }
 
-static void dpu_encoder_phys_cmd_underrun_irq(void *arg, int irq_idx)
+static void dpu_encoder_phys_cmd_underrun_irq(void *arg)
 {
 	struct dpu_encoder_phys *phys_enc = arg;
 
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
index 2141b81397824f6e6aed5b6b1b457cfc55b8740a..aec3ca4aa0fb7fb90c1bd351fbf1140560918a78 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
@@ -300,7 +300,7 @@ static void dpu_encoder_phys_vid_setup_timing_engine(
 	programmable_fetch_config(phys_enc, &timing_params);
 }
 
-static void dpu_encoder_phys_vid_vblank_irq(void *arg, int irq_idx)
+static void dpu_encoder_phys_vid_vblank_irq(void *arg)
 {
 	struct dpu_encoder_phys *phys_enc = arg;
 	struct dpu_hw_ctl *hw_ctl;
@@ -337,7 +337,7 @@ static void dpu_encoder_phys_vid_vblank_irq(void *arg, int irq_idx)
 	DPU_ATRACE_END("vblank_irq");
 }
 
-static void dpu_encoder_phys_vid_underrun_irq(void *arg, int irq_idx)
+static void dpu_encoder_phys_vid_underrun_irq(void *arg)
 {
 	struct dpu_encoder_phys *phys_enc = arg;
 
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
index 78037a697633b6a03917244ee4be595ca1074767..870a1f5060e302e0721824b2f150291180586f48 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
@@ -345,7 +345,11 @@ static void dpu_encoder_phys_wb_setup(
 
 }
 
-static void _dpu_encoder_phys_wb_frame_done_helper(void *arg)
+/**
+ * dpu_encoder_phys_wb_done_irq - writeback interrupt handler
+ * @arg:	Pointer to writeback encoder
+ */
+static void dpu_encoder_phys_wb_done_irq(void *arg)
 {
 	struct dpu_encoder_phys *phys_enc = arg;
 	struct dpu_encoder_phys_wb *wb_enc = to_dpu_encoder_phys_wb(phys_enc);
@@ -371,16 +375,6 @@ static void _dpu_encoder_phys_wb_frame_done_helper(void *arg)
 	wake_up_all(&phys_enc->pending_kickoff_wq);
 }
 
-/**
- * dpu_encoder_phys_wb_done_irq - writeback interrupt handler
- * @arg:	Pointer to writeback encoder
- * @irq_idx:	interrupt index
- */
-static void dpu_encoder_phys_wb_done_irq(void *arg, int irq_idx)
-{
-	_dpu_encoder_phys_wb_frame_done_helper(arg);
-}
-
 /**
  * dpu_encoder_phys_wb_irq_ctrl - irq control of WB
  * @phys:	Pointer to physical encoder
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c
index e3c50439f80a132bb199825d81216a6f6c37cde9..41f7c86bc2db911a5f89fd24da4d8666ef57caf8 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c
@@ -197,8 +197,18 @@ static const struct dpu_intr_reg dpu_intr_set_7xxx[] = {
 	},
 };
 
-#define DPU_IRQ_REG(irq_idx)	(irq_idx / 32)
-#define DPU_IRQ_MASK(irq_idx)	(BIT(irq_idx % 32))
+#define DPU_IRQ_MASK(irq_idx)	(BIT(DPU_IRQ_BIT(irq_idx)))
+
+static inline bool dpu_core_irq_is_valid(int irq_idx)
+{
+	return irq_idx >= 0 && irq_idx < DPU_NUM_IRQS;
+}
+
+static inline struct dpu_hw_intr_entry *dpu_core_irq_get_entry(struct dpu_hw_intr *intr,
+							       int irq_idx)
+{
+	return &intr->irq_tbl[irq_idx];
+}
 
 /**
  * dpu_core_irq_callback_handler - dispatch core interrupts
@@ -207,17 +217,22 @@ static const struct dpu_intr_reg dpu_intr_set_7xxx[] = {
  */
 static void dpu_core_irq_callback_handler(struct dpu_kms *dpu_kms, int irq_idx)
 {
-	VERB("irq_idx=%d\n", irq_idx);
+	struct dpu_hw_intr_entry *irq_entry = dpu_core_irq_get_entry(dpu_kms->hw_intr, irq_idx);
 
-	if (!dpu_kms->hw_intr->irq_tbl[irq_idx].cb)
-		DRM_ERROR("no registered cb, idx:%d\n", irq_idx);
+	VERB("IRQ=[%d, %d]\n", DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx));
 
-	atomic_inc(&dpu_kms->hw_intr->irq_tbl[irq_idx].count);
+	if (!irq_entry->cb) {
+		DRM_ERROR("no registered cb, IRQ=[%d, %d]\n",
+			  DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx));
+		return;
+	}
+
+	atomic_inc(&irq_entry->count);
 
 	/*
 	 * Perform registered function callback
 	 */
-	dpu_kms->hw_intr->irq_tbl[irq_idx].cb(dpu_kms->hw_intr->irq_tbl[irq_idx].arg, irq_idx);
+	irq_entry->cb(irq_entry->arg);
 }
 
 irqreturn_t dpu_core_irq(struct msm_kms *kms)
@@ -291,8 +306,9 @@ static int dpu_hw_intr_enable_irq_locked(struct dpu_hw_intr *intr, int irq_idx)
 	if (!intr)
 		return -EINVAL;
 
-	if (irq_idx < 0 || irq_idx >= intr->total_irqs) {
-		pr_err("invalid IRQ index: [%d]\n", irq_idx);
+	if (!dpu_core_irq_is_valid(irq_idx)) {
+		pr_err("invalid IRQ=[%d, %d]\n",
+		       DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx));
 		return -EINVAL;
 	}
 
@@ -328,7 +344,8 @@ static int dpu_hw_intr_enable_irq_locked(struct dpu_hw_intr *intr, int irq_idx)
 		intr->cache_irq_mask[reg_idx] = cache_irq_mask;
 	}
 
-	pr_debug("DPU IRQ %d %senabled: MASK:0x%.8lx, CACHE-MASK:0x%.8x\n", irq_idx, dbgstr,
+	pr_debug("DPU IRQ=[%d, %d] %senabled: MASK:0x%.8lx, CACHE-MASK:0x%.8x\n",
+		 DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx), dbgstr,
 			DPU_IRQ_MASK(irq_idx), cache_irq_mask);
 
 	return 0;
@@ -344,8 +361,9 @@ static int dpu_hw_intr_disable_irq_locked(struct dpu_hw_intr *intr, int irq_idx)
 	if (!intr)
 		return -EINVAL;
 
-	if (irq_idx < 0 || irq_idx >= intr->total_irqs) {
-		pr_err("invalid IRQ index: [%d]\n", irq_idx);
+	if (!dpu_core_irq_is_valid(irq_idx)) {
+		pr_err("invalid IRQ=[%d, %d]\n",
+		       DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx));
 		return -EINVAL;
 	}
 
@@ -377,7 +395,8 @@ static int dpu_hw_intr_disable_irq_locked(struct dpu_hw_intr *intr, int irq_idx)
 		intr->cache_irq_mask[reg_idx] = cache_irq_mask;
 	}
 
-	pr_debug("DPU IRQ %d %sdisabled: MASK:0x%.8lx, CACHE-MASK:0x%.8x\n", irq_idx, dbgstr,
+	pr_debug("DPU IRQ=[%d, %d] %sdisabled: MASK:0x%.8lx, CACHE-MASK:0x%.8x\n",
+		 DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx), dbgstr,
 			DPU_IRQ_MASK(irq_idx), cache_irq_mask);
 
 	return 0;
@@ -429,14 +448,8 @@ u32 dpu_core_irq_read(struct dpu_kms *dpu_kms, int irq_idx)
 	if (!intr)
 		return 0;
 
-	if (irq_idx < 0) {
-		DPU_ERROR("[%pS] invalid irq_idx=%d\n",
-				__builtin_return_address(0), irq_idx);
-		return 0;
-	}
-
-	if (irq_idx < 0 || irq_idx >= intr->total_irqs) {
-		pr_err("invalid IRQ index: [%d]\n", irq_idx);
+	if (!dpu_core_irq_is_valid(irq_idx)) {
+		pr_err("invalid IRQ=[%d, %d]\n", DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx));
 		return 0;
 	}
 
@@ -462,13 +475,12 @@ struct dpu_hw_intr *dpu_hw_intr_init(void __iomem *addr,
 		const struct dpu_mdss_cfg *m)
 {
 	struct dpu_hw_intr *intr;
-	int nirq = MDP_INTR_MAX * 32;
 	unsigned int i;
 
 	if (!addr || !m)
 		return ERR_PTR(-EINVAL);
 
-	intr = kzalloc(struct_size(intr, irq_tbl, nirq), GFP_KERNEL);
+	intr = kzalloc(sizeof(*intr), GFP_KERNEL);
 	if (!intr)
 		return ERR_PTR(-ENOMEM);
 
@@ -479,8 +491,6 @@ struct dpu_hw_intr *dpu_hw_intr_init(void __iomem *addr,
 
 	intr->hw.blk_addr = addr + m->mdp[0].base;
 
-	intr->total_irqs = nirq;
-
 	intr->irq_mask = BIT(MDP_SSPP_TOP0_INTR) |
 			 BIT(MDP_SSPP_TOP0_INTR2) |
 			 BIT(MDP_SSPP_TOP0_HIST_INTR);
@@ -507,42 +517,47 @@ void dpu_hw_intr_destroy(struct dpu_hw_intr *intr)
 }
 
 int dpu_core_irq_register_callback(struct dpu_kms *dpu_kms, int irq_idx,
-		void (*irq_cb)(void *arg, int irq_idx),
+		void (*irq_cb)(void *arg),
 		void *irq_arg)
 {
+	struct dpu_hw_intr_entry *irq_entry;
 	unsigned long irq_flags;
 	int ret;
 
 	if (!irq_cb) {
-		DPU_ERROR("invalid ird_idx:%d irq_cb:%ps\n", irq_idx, irq_cb);
+		DPU_ERROR("invalid IRQ=[%d, %d] irq_cb:%ps\n",
+			  DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx), irq_cb);
 		return -EINVAL;
 	}
 
-	if (irq_idx < 0 || irq_idx >= dpu_kms->hw_intr->total_irqs) {
-		DPU_ERROR("invalid IRQ index: [%d]\n", irq_idx);
+	if (!dpu_core_irq_is_valid(irq_idx)) {
+		DPU_ERROR("invalid IRQ=[%d, %d]\n",
+			  DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx));
 		return -EINVAL;
 	}
 
-	VERB("[%pS] irq_idx=%d\n", __builtin_return_address(0), irq_idx);
+	VERB("[%pS] IRQ=[%d, %d]\n", __builtin_return_address(0),
+	     DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx));
 
 	spin_lock_irqsave(&dpu_kms->hw_intr->irq_lock, irq_flags);
 
-	if (unlikely(WARN_ON(dpu_kms->hw_intr->irq_tbl[irq_idx].cb))) {
+	irq_entry = dpu_core_irq_get_entry(dpu_kms->hw_intr, irq_idx);
+	if (unlikely(WARN_ON(irq_entry->cb))) {
 		spin_unlock_irqrestore(&dpu_kms->hw_intr->irq_lock, irq_flags);
 
 		return -EBUSY;
 	}
 
 	trace_dpu_core_irq_register_callback(irq_idx, irq_cb);
-	dpu_kms->hw_intr->irq_tbl[irq_idx].arg = irq_arg;
-	dpu_kms->hw_intr->irq_tbl[irq_idx].cb = irq_cb;
+	irq_entry->arg = irq_arg;
+	irq_entry->cb = irq_cb;
 
 	ret = dpu_hw_intr_enable_irq_locked(
 				dpu_kms->hw_intr,
 				irq_idx);
 	if (ret)
-		DPU_ERROR("Fail to enable IRQ for irq_idx:%d\n",
-					irq_idx);
+		DPU_ERROR("Failed/ to enable IRQ=[%d, %d]\n",
+			  DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx));
 	spin_unlock_irqrestore(&dpu_kms->hw_intr->irq_lock, irq_flags);
 
 	trace_dpu_irq_register_success(irq_idx);
@@ -552,26 +567,30 @@ int dpu_core_irq_register_callback(struct dpu_kms *dpu_kms, int irq_idx,
 
 int dpu_core_irq_unregister_callback(struct dpu_kms *dpu_kms, int irq_idx)
 {
+	struct dpu_hw_intr_entry *irq_entry;
 	unsigned long irq_flags;
 	int ret;
 
-	if (irq_idx < 0 || irq_idx >= dpu_kms->hw_intr->total_irqs) {
-		DPU_ERROR("invalid IRQ index: [%d]\n", irq_idx);
+	if (!dpu_core_irq_is_valid(irq_idx)) {
+		DPU_ERROR("invalid IRQ=[%d, %d]\n",
+			  DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx));
 		return -EINVAL;
 	}
 
-	VERB("[%pS] irq_idx=%d\n", __builtin_return_address(0), irq_idx);
+	VERB("[%pS] IRQ=[%d, %d]\n", __builtin_return_address(0),
+	     DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx));
 
 	spin_lock_irqsave(&dpu_kms->hw_intr->irq_lock, irq_flags);
 	trace_dpu_core_irq_unregister_callback(irq_idx);
 
 	ret = dpu_hw_intr_disable_irq_locked(dpu_kms->hw_intr, irq_idx);
 	if (ret)
-		DPU_ERROR("Fail to disable IRQ for irq_idx:%d: %d\n",
-					irq_idx, ret);
+		DPU_ERROR("Failed to disable IRQ=[%d, %d]: %d\n",
+			  DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx), ret);
 
-	dpu_kms->hw_intr->irq_tbl[irq_idx].cb = NULL;
-	dpu_kms->hw_intr->irq_tbl[irq_idx].arg = NULL;
+	irq_entry = dpu_core_irq_get_entry(dpu_kms->hw_intr, irq_idx);
+	irq_entry->cb = NULL;
+	irq_entry->arg = NULL;
 
 	spin_unlock_irqrestore(&dpu_kms->hw_intr->irq_lock, irq_flags);
 
@@ -584,18 +603,21 @@ int dpu_core_irq_unregister_callback(struct dpu_kms *dpu_kms, int irq_idx)
 static int dpu_debugfs_core_irq_show(struct seq_file *s, void *v)
 {
 	struct dpu_kms *dpu_kms = s->private;
+	struct dpu_hw_intr_entry *irq_entry;
 	unsigned long irq_flags;
 	int i, irq_count;
 	void *cb;
 
-	for (i = 0; i < dpu_kms->hw_intr->total_irqs; i++) {
+	for (i = 0; i < DPU_NUM_IRQS; i++) {
 		spin_lock_irqsave(&dpu_kms->hw_intr->irq_lock, irq_flags);
-		irq_count = atomic_read(&dpu_kms->hw_intr->irq_tbl[i].count);
-		cb = dpu_kms->hw_intr->irq_tbl[i].cb;
+		irq_entry = dpu_core_irq_get_entry(dpu_kms->hw_intr, i);
+		irq_count = atomic_read(&irq_entry->count);
+		cb = irq_entry->cb;
 		spin_unlock_irqrestore(&dpu_kms->hw_intr->irq_lock, irq_flags);
 
 		if (irq_count || cb)
-			seq_printf(s, "idx:%d irq:%d cb:%ps\n", i, irq_count, cb);
+			seq_printf(s, "IRQ=[%d, %d] count:%d cb:%ps\n",
+				   DPU_IRQ_REG(i), DPU_IRQ_BIT(i), irq_count, cb);
 	}
 
 	return 0;
@@ -614,6 +636,7 @@ void dpu_debugfs_core_irq_init(struct dpu_kms *dpu_kms,
 void dpu_core_irq_preinstall(struct msm_kms *kms)
 {
 	struct dpu_kms *dpu_kms = to_dpu_kms(kms);
+	struct dpu_hw_intr_entry *irq_entry;
 	int i;
 
 	pm_runtime_get_sync(&dpu_kms->pdev->dev);
@@ -621,22 +644,28 @@ void dpu_core_irq_preinstall(struct msm_kms *kms)
 	dpu_disable_all_irqs(dpu_kms);
 	pm_runtime_put_sync(&dpu_kms->pdev->dev);
 
-	for (i = 0; i < dpu_kms->hw_intr->total_irqs; i++)
-		atomic_set(&dpu_kms->hw_intr->irq_tbl[i].count, 0);
+	for (i = 0; i < DPU_NUM_IRQS; i++) {
+		irq_entry = dpu_core_irq_get_entry(dpu_kms->hw_intr, i);
+		atomic_set(&irq_entry->count, 0);
+	}
 }
 
 void dpu_core_irq_uninstall(struct msm_kms *kms)
 {
 	struct dpu_kms *dpu_kms = to_dpu_kms(kms);
+	struct dpu_hw_intr_entry *irq_entry;
 	int i;
 
 	if (!dpu_kms->hw_intr)
 		return;
 
 	pm_runtime_get_sync(&dpu_kms->pdev->dev);
-	for (i = 0; i < dpu_kms->hw_intr->total_irqs; i++)
-		if (dpu_kms->hw_intr->irq_tbl[i].cb)
-			DPU_ERROR("irq_idx=%d still enabled/registered\n", i);
+	for (i = 0; i < DPU_NUM_IRQS; i++) {
+		irq_entry = dpu_core_irq_get_entry(dpu_kms->hw_intr, i);
+		if (irq_entry->cb)
+			DPU_ERROR("IRQ=[%d, %d] still enabled/registered\n",
+				  DPU_IRQ_REG(i), DPU_IRQ_BIT(i));
+	}
 
 	dpu_clear_irqs(dpu_kms);
 	dpu_disable_all_irqs(dpu_kms);
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h
index dab761e548636f683c37d6790193b410cbaafe08..9df5d6e737a116c9ea9247084569f3811418e565 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h
@@ -37,6 +37,16 @@ enum dpu_hw_intr_reg {
 #define MDP_INTFn_INTR(intf)	(MDP_INTF0_INTR + (intf - INTF_0))
 
 #define DPU_IRQ_IDX(reg_idx, offset)	(reg_idx * 32 + offset)
+#define DPU_IRQ_REG(irq_idx)	(irq_idx / 32)
+#define DPU_IRQ_BIT(irq_idx)	(irq_idx % 32)
+
+#define DPU_NUM_IRQS		(MDP_INTR_MAX * 32)
+
+struct dpu_hw_intr_entry {
+	void (*cb)(void *arg);
+	void *arg;
+	atomic_t count;
+};
 
 /**
  * struct dpu_hw_intr: hw interrupts handling data structure
@@ -44,7 +54,6 @@ enum dpu_hw_intr_reg {
  * @ops:              function pointer mapping for IRQ handling
  * @cache_irq_mask:   array of IRQ enable masks reg storage created during init
  * @save_irq_status:  array of IRQ status reg storage created during init
- * @total_irqs: total number of irq_idx mapped in the hw_interrupts
  * @irq_lock:         spinlock for accessing IRQ resources
  * @irq_cb_tbl:       array of IRQ callbacks
  */
@@ -52,16 +61,11 @@ struct dpu_hw_intr {
 	struct dpu_hw_blk_reg_map hw;
 	u32 cache_irq_mask[MDP_INTR_MAX];
 	u32 *save_irq_status;
-	u32 total_irqs;
 	spinlock_t irq_lock;
 	unsigned long irq_mask;
 	const struct dpu_intr_reg *intr_set;
 
-	struct {
-		void (*cb)(void *arg, int irq_idx);
-		void *arg;
-		atomic_t count;
-	} irq_tbl[];
+	struct dpu_hw_intr_entry irq_tbl[DPU_NUM_IRQS];
 };
 
 /**