diff --git a/drivers/gpu/drm/i915/gt/gen6_ppgtt.c b/drivers/gpu/drm/i915/gt/gen6_ppgtt.c
index baea9770200a..d410a7bf5add 100644
--- a/drivers/gpu/drm/i915/gt/gen6_ppgtt.c
+++ b/drivers/gpu/drm/i915/gt/gen6_ppgtt.c
@@ -439,6 +439,7 @@ struct i915_ppgtt *gen6_ppgtt_create(struct intel_gt *gt)
 	ppgtt->base.vm.cleanup = gen6_ppgtt_cleanup;
 
 	ppgtt->base.vm.alloc_pt_dma = alloc_pt_dma;
+	ppgtt->base.vm.alloc_scratch_dma = alloc_pt_dma;
 	ppgtt->base.vm.pte_encode = ggtt->vm.pte_encode;
 
 	ppgtt->base.pd = __alloc_pd(I915_PDES);
diff --git a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c
index 8af2f709571c..4333652d8906 100644
--- a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c
+++ b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c
@@ -776,10 +776,29 @@ struct i915_ppgtt *gen8_ppgtt_create(struct intel_gt *gt,
 	 */
 	ppgtt->vm.has_read_only = !IS_GRAPHICS_VER(gt->i915, 11, 12);
 
-	if (HAS_LMEM(gt->i915))
+	if (HAS_LMEM(gt->i915)) {
 		ppgtt->vm.alloc_pt_dma = alloc_pt_lmem;
-	else
+
+		/*
+		 * On some platforms the hw has dropped support for 4K GTT pages
+		 * when dealing with LMEM, and due to the design of 64K GTT
+		 * pages in the hw, we can only mark the *entire* page-table as
+		 * operating in 64K GTT mode, since the enable bit is still on
+		 * the pde, and not the pte. And since we still need to allow
+		 * 4K GTT pages for SMEM objects, we can't have a "normal" 4K
+		 * page-table with scratch pointing to LMEM, since that's
+		 * undefined from the hw pov. The simplest solution is to just
+		 * move the 64K scratch page to SMEM on such platforms and call
+		 * it a day, since that should work for all configurations.
+		 */
+		if (HAS_64K_PAGES(gt->i915))
+			ppgtt->vm.alloc_scratch_dma = alloc_pt_dma;
+		else
+			ppgtt->vm.alloc_scratch_dma = alloc_pt_lmem;
+	} else {
 		ppgtt->vm.alloc_pt_dma = alloc_pt_dma;
+		ppgtt->vm.alloc_scratch_dma = alloc_pt_dma;
+	}
 
 	err = gen8_init_scratch(&ppgtt->vm);
 	if (err)
diff --git a/drivers/gpu/drm/i915/gt/intel_ggtt.c b/drivers/gpu/drm/i915/gt/intel_ggtt.c
index f17383e76eb7..289316007029 100644
--- a/drivers/gpu/drm/i915/gt/intel_ggtt.c
+++ b/drivers/gpu/drm/i915/gt/intel_ggtt.c
@@ -1077,6 +1077,7 @@ static int gen6_gmch_probe(struct i915_ggtt *ggtt)
 	ggtt->vm.total = (size / sizeof(gen6_pte_t)) * I915_GTT_PAGE_SIZE;
 
 	ggtt->vm.alloc_pt_dma = alloc_pt_dma;
+	ggtt->vm.alloc_scratch_dma = alloc_pt_dma;
 
 	ggtt->vm.clear_range = nop_clear_range;
 	if (!HAS_FULL_PPGTT(i915) || intel_scanout_needs_vtd_wa(i915))
@@ -1129,6 +1130,7 @@ static int i915_gmch_probe(struct i915_ggtt *ggtt)
 		(struct resource)DEFINE_RES_MEM(gmadr_base, ggtt->mappable_end);
 
 	ggtt->vm.alloc_pt_dma = alloc_pt_dma;
+	ggtt->vm.alloc_scratch_dma = alloc_pt_dma;
 
 	if (needs_idle_maps(i915)) {
 		drm_notice(&i915->drm,
diff --git a/drivers/gpu/drm/i915/gt/intel_gtt.c b/drivers/gpu/drm/i915/gt/intel_gtt.c
index d05f762c50d8..4743921b7638 100644
--- a/drivers/gpu/drm/i915/gt/intel_gtt.c
+++ b/drivers/gpu/drm/i915/gt/intel_gtt.c
@@ -307,7 +307,7 @@ int setup_scratch_page(struct i915_address_space *vm)
 	do {
 		struct drm_i915_gem_object *obj;
 
-		obj = vm->alloc_pt_dma(vm, size);
+		obj = vm->alloc_scratch_dma(vm, size);
 		if (IS_ERR(obj))
 			goto skip;
 
diff --git a/drivers/gpu/drm/i915/gt/intel_gtt.h b/drivers/gpu/drm/i915/gt/intel_gtt.h
index 094bee934740..180da7c7f3f9 100644
--- a/drivers/gpu/drm/i915/gt/intel_gtt.h
+++ b/drivers/gpu/drm/i915/gt/intel_gtt.h
@@ -268,6 +268,8 @@ struct i915_address_space {
 
 	struct drm_i915_gem_object *
 		(*alloc_pt_dma)(struct i915_address_space *vm, int sz);
+	struct drm_i915_gem_object *
+		(*alloc_scratch_dma)(struct i915_address_space *vm, int sz);
 
 	u64 (*pte_encode)(dma_addr_t addr,
 			  enum i915_cache_level level,
diff --git a/drivers/gpu/drm/i915/selftests/mock_gtt.c b/drivers/gpu/drm/i915/selftests/mock_gtt.c
index cc047ec594f9..32ca8962d0ab 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gtt.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gtt.c
@@ -78,6 +78,7 @@ struct i915_ppgtt *mock_ppgtt(struct drm_i915_private *i915, const char *name)
 	i915_address_space_init(&ppgtt->vm, VM_CLASS_PPGTT);
 
 	ppgtt->vm.alloc_pt_dma = alloc_pt_dma;
+	ppgtt->vm.alloc_scratch_dma = alloc_pt_dma;
 
 	ppgtt->vm.clear_range = mock_clear_range;
 	ppgtt->vm.insert_page = mock_insert_page;
@@ -118,6 +119,7 @@ void mock_init_ggtt(struct drm_i915_private *i915, struct i915_ggtt *ggtt)
 	ggtt->vm.total = 4096 * PAGE_SIZE;
 
 	ggtt->vm.alloc_pt_dma = alloc_pt_dma;
+	ggtt->vm.alloc_scratch_dma = alloc_pt_dma;
 
 	ggtt->vm.clear_range = mock_clear_range;
 	ggtt->vm.insert_page = mock_insert_page;
