diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 96054a560f4f8da59f40a1fc532013a1b7c5b374..566466fe191766bea002d8867b563dc1c3ba0c24 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -955,7 +955,7 @@ static int gen8_alloc_va_range(struct i915_address_space *vm,
 	gen8_for_each_pdpe(pd, &ppgtt->pdp, start, length, temp, pdpe) {
 		gen8_pde_t *const page_directory = kmap_px(pd);
 		struct i915_page_table *pt;
-		uint64_t pd_len = gen8_clamp_pd(start, length);
+		uint64_t pd_len = length;
 		uint64_t pd_start = start;
 		uint32_t pde;
 
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h
index e1cfa292f9adf8cd63dff0c1c162115aef209eb2..d5bf953deff9ea99d240f5f0d87c0eca47f345f8 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.h
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.h
@@ -444,17 +444,6 @@ static inline uint32_t gen6_pde_index(uint32_t addr)
 	     temp = min(temp, length),					\
 	     start += temp, length -= temp)
 
-/* Clamp length to the next page_directory boundary */
-static inline uint64_t gen8_clamp_pd(uint64_t start, uint64_t length)
-{
-	uint64_t next_pd = ALIGN(start + 1, 1 << GEN8_PDPE_SHIFT);
-
-	if (next_pd > (start + length))
-		return length;
-
-	return next_pd - start;
-}
-
 static inline uint32_t gen8_pte_index(uint64_t address)
 {
 	return i915_pte_index(address, GEN8_PDE_SHIFT);