diff --git a/[refs] b/[refs]
index f1f42c99ed3d..3b5700b1070d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 878a3c37d36142a192bdf5b6bfcf920832f431d7
+refs/heads/master: 85ccc35b7e4a5e7894570fe9b4e4b56d82fc3181
diff --git a/trunk/drivers/char/agp/intel-gtt.c b/trunk/drivers/char/agp/intel-gtt.c
index 0c8ff6d8824b..6b6760ea2435 100644
--- a/trunk/drivers/char/agp/intel-gtt.c
+++ b/trunk/drivers/char/agp/intel-gtt.c
@@ -1211,13 +1211,13 @@ static void gen6_write_entry(dma_addr_t addr, unsigned int entry,
 	u32 pte_flags;
 
 	if (type_mask == AGP_USER_UNCACHED_MEMORY)
-		pte_flags = GEN6_PTE_UNCACHED;
+		pte_flags = GEN6_PTE_UNCACHED | I810_PTE_VALID;
 	else if (type_mask == AGP_USER_CACHED_MEMORY_LLC_MLC) {
-		pte_flags = GEN6_PTE_LLC;
+		pte_flags = GEN6_PTE_LLC | I810_PTE_VALID;
 		if (gfdt)
 			pte_flags |= GEN6_PTE_GFDT;
 	} else { /* set 'normal'/'cached' to LLC by default */
-		pte_flags = GEN6_PTE_LLC_MLC;
+		pte_flags = GEN6_PTE_LLC_MLC | I810_PTE_VALID;
 		if (gfdt)
 			pte_flags |= GEN6_PTE_GFDT;
 	}