diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 1989c276138c..7fb8492d8e63 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -184,6 +184,7 @@ config DRM_AMDGPU
 	select BACKLIGHT_CLASS_DEVICE
 	select BACKLIGHT_LCD_SUPPORT
 	select INTERVAL_TREE
+	select CHASH
 	help
 	  Choose this option if you have a recent AMD Radeon graphics card.
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
index c834a40cfad6..f5f27e4f0f7f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
@@ -196,3 +196,79 @@ int amdgpu_ih_process(struct amdgpu_device *adev)
 
 	return IRQ_HANDLED;
 }
+
+/**
+ * amdgpu_ih_add_fault - Add a page fault record
+ *
+ * @adev: amdgpu device pointer
+ * @key: 64-bit encoding of PASID and address
+ *
+ * This should be called when a retry page fault interrupt is
+ * received. If this is a new page fault, it will be added to a hash
+ * table. The return value indicates whether this is a new fault, or
+ * a fault that was already known and is already being handled.
+ *
+ * If there are too many pending page faults, this will fail. Retry
+ * interrupts should be ignored in this case until there is enough
+ * free space.
+ *
+ * Returns 0 if the fault was added, 1 if the fault was already known,
+ * -ENOSPC if there are too many pending faults.
+ */
+int amdgpu_ih_add_fault(struct amdgpu_device *adev, u64 key)
+{
+	unsigned long flags;
+	int r = -ENOSPC;
+
+	if (WARN_ON_ONCE(!adev->irq.ih.faults))
+		/* Should be allocated in <IP>_ih_sw_init on GPUs that
+		 * support retry faults and require retry filtering.
+		 */
+		return r;
+
+	spin_lock_irqsave(&adev->irq.ih.faults->lock, flags);
+
+	/* Only let the hash table fill up to 50% for best performance */
+	if (adev->irq.ih.faults->count >= (1 << (AMDGPU_PAGEFAULT_HASH_BITS-1)))
+		goto unlock_out;
+
+	r = chash_table_copy_in(&adev->irq.ih.faults->hash, key, NULL);
+	if (!r)
+		adev->irq.ih.faults->count++;
+
+	/* chash_table_copy_in should never fail unless we're losing count */
+	WARN_ON_ONCE(r < 0);
+
+unlock_out:
+	spin_unlock_irqrestore(&adev->irq.ih.faults->lock, flags);
+	return r;
+}
+
+/**
+ * amdgpu_ih_clear_fault - Remove a page fault record
+ *
+ * @adev: amdgpu device pointer
+ * @key: 64-bit encoding of PASID and address
+ *
+ * This should be called when a page fault has been handled. Any
+ * future interrupt with this key will be processed as a new
+ * page fault.
+ */
+void amdgpu_ih_clear_fault(struct amdgpu_device *adev, u64 key)
+{
+	unsigned long flags;
+	int r;
+
+	if (!adev->irq.ih.faults)
+		return;
+
+	spin_lock_irqsave(&adev->irq.ih.faults->lock, flags);
+
+	r = chash_table_remove(&adev->irq.ih.faults->hash, key, NULL);
+	if (!WARN_ON_ONCE(r < 0)) {
+		adev->irq.ih.faults->count--;
+		WARN_ON_ONCE(adev->irq.ih.faults->count < 0);
+	}
+
+	spin_unlock_irqrestore(&adev->irq.ih.faults->lock, flags);
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
index 3de8e74e5b3a..ada89358e220 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
@@ -24,6 +24,8 @@
 #ifndef __AMDGPU_IH_H__
 #define __AMDGPU_IH_H__
 
+#include <linux/chash.h>
+
 struct amdgpu_device;
  /*
   * vega10+ IH clients
@@ -69,6 +71,13 @@ enum amdgpu_ih_clientid
 
 #define AMDGPU_IH_CLIENTID_LEGACY 0
 
+#define AMDGPU_PAGEFAULT_HASH_BITS 8
+struct amdgpu_retryfault_hashtable {
+	DECLARE_CHASH_TABLE(hash, AMDGPU_PAGEFAULT_HASH_BITS, 8, 0);
+	spinlock_t	lock;
+	int		count;
+};
+
 /*
  * R6xx+ IH ring
  */
@@ -87,6 +96,7 @@ struct amdgpu_ih_ring {
 	bool			use_doorbell;
 	bool			use_bus_addr;
 	dma_addr_t		rb_dma_addr; /* only used when use_bus_addr = true */
+	struct amdgpu_retryfault_hashtable *faults;
 };
 
 #define AMDGPU_IH_SRC_DATA_MAX_SIZE_DW 4
@@ -109,5 +119,7 @@ int amdgpu_ih_ring_init(struct amdgpu_device *adev, unsigned ring_size,
 			bool use_bus_addr);
 void amdgpu_ih_ring_fini(struct amdgpu_device *adev);
 int amdgpu_ih_process(struct amdgpu_device *adev);
+int amdgpu_ih_add_fault(struct amdgpu_device *adev, u64 key);
+void amdgpu_ih_clear_fault(struct amdgpu_device *adev, u64 key);
 
 #endif
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 9b795915cab1..6c1133298b17 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -2680,6 +2680,8 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
 		vm->pasid = pasid;
 	}
 
+	INIT_KFIFO(vm->faults);
+
 	return 0;
 
 error_free_root:
@@ -2731,8 +2733,13 @@ void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm)
 {
 	struct amdgpu_bo_va_mapping *mapping, *tmp;
 	bool prt_fini_needed = !!adev->gart.gart_funcs->set_prt;
+	u64 fault;
 	int i;
 
+	/* Clear pending page faults from IH when the VM is destroyed */
+	while (kfifo_get(&vm->faults, &fault))
+		amdgpu_ih_clear_fault(adev, fault);
+
 	if (vm->pasid) {
 		unsigned long flags;
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index 7873dfa8c0f9..447ed6e7e586 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -120,6 +120,10 @@ struct amdgpu_vm_pt {
 	unsigned			last_entry_used;
 };
 
+#define AMDGPU_VM_FAULT(pasid, addr) (((u64)(pasid) << 48) | (addr))
+#define AMDGPU_VM_FAULT_PASID(fault) ((u64)(fault) >> 48)
+#define AMDGPU_VM_FAULT_ADDR(fault)  ((u64)(fault) & 0xfffffffff000ULL)
+
 struct amdgpu_vm {
 	/* tree of virtual addresses mapped */
 	struct rb_root		va;
@@ -160,6 +164,9 @@ struct amdgpu_vm {
 
 	/* Flag to indicate ATS support from PTE for GFX9 */
 	bool			pte_support_ats;
+
+	/* Up to 128 pending page faults */
+	DECLARE_KFIFO(faults, u64, 128);
 };
 
 struct amdgpu_vm_id {
diff --git a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
index eda4771e273f..dd6af2176d3e 100644
--- a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
@@ -235,8 +235,73 @@ static u32 vega10_ih_get_wptr(struct amdgpu_device *adev)
  */
 static bool vega10_ih_prescreen_iv(struct amdgpu_device *adev)
 {
-	/* TODO: Filter known pending page faults */
+	u32 ring_index = adev->irq.ih.rptr >> 2;
+	u32 dw0, dw3, dw4, dw5;
+	u16 pasid;
+	u64 addr, key;
+	struct amdgpu_vm *vm;
+	int r;
+
+	dw0 = le32_to_cpu(adev->irq.ih.ring[ring_index + 0]);
+	dw3 = le32_to_cpu(adev->irq.ih.ring[ring_index + 3]);
+	dw4 = le32_to_cpu(adev->irq.ih.ring[ring_index + 4]);
+	dw5 = le32_to_cpu(adev->irq.ih.ring[ring_index + 5]);
+
+	/* Filter retry page faults, let only the first one pass. If
+	 * there are too many outstanding faults, ignore them until
+	 * some faults get cleared.
+	 */
+	switch (dw0 & 0xff) {
+	case AMDGPU_IH_CLIENTID_VMC:
+	case AMDGPU_IH_CLIENTID_UTCL2:
+		break;
+	default:
+		/* Not a VM fault */
+		return true;
+	}
+
+	/* Not a retry fault */
+	if (!(dw5 & 0x80))
+		return true;
+
+	pasid = dw3 & 0xffff;
+	/* No PASID, can't identify faulting process */
+	if (!pasid)
+		return true;
+
+	addr = ((u64)(dw5 & 0xf) << 44) | ((u64)dw4 << 12);
+	key = AMDGPU_VM_FAULT(pasid, addr);
+	r = amdgpu_ih_add_fault(adev, key);
+
+	/* Hash table is full or the fault is already being processed,
+	 * ignore further page faults
+	 */
+	if (r != 0)
+		goto ignore_iv;
+
+	/* Track retry faults in per-VM fault FIFO. */
+	spin_lock(&adev->vm_manager.pasid_lock);
+	vm = idr_find(&adev->vm_manager.pasid_idr, pasid);
+	spin_unlock(&adev->vm_manager.pasid_lock);
+	if (WARN_ON_ONCE(!vm)) {
+		/* VM not found, process it normally */
+		amdgpu_ih_clear_fault(adev, key);
+		return true;
+	}
+	/* No locking required with single writer and single reader */
+	r = kfifo_put(&vm->faults, key);
+	if (!r) {
+		/* FIFO is full. Ignore it until there is space */
+		amdgpu_ih_clear_fault(adev, key);
+		goto ignore_iv;
+	}
+
+	/* It's the first fault for this address, process it normally */
 	return true;
+
+ignore_iv:
+	adev->irq.ih.rptr += 32;
+	return false;
 }
 
 /**
@@ -323,6 +388,14 @@ static int vega10_ih_sw_init(void *handle)
 	adev->irq.ih.use_doorbell = true;
 	adev->irq.ih.doorbell_index = AMDGPU_DOORBELL64_IH << 1;
 
+	adev->irq.ih.faults = kmalloc(sizeof(*adev->irq.ih.faults), GFP_KERNEL);
+	if (!adev->irq.ih.faults)
+		return -ENOMEM;
+	INIT_CHASH_TABLE(adev->irq.ih.faults->hash,
+			 AMDGPU_PAGEFAULT_HASH_BITS, 8, 0);
+	spin_lock_init(&adev->irq.ih.faults->lock);
+	adev->irq.ih.faults->count = 0;
+
 	r = amdgpu_irq_init(adev);
 
 	return r;
@@ -335,6 +408,9 @@ static int vega10_ih_sw_fini(void *handle)
 	amdgpu_irq_fini(adev);
 	amdgpu_ih_ring_fini(adev);
 
+	kfree(adev->irq.ih.faults);
+	adev->irq.ih.faults = NULL;
+
 	return 0;
 }