2 files changed, 3 insertions, 3 deletions

diff --git a/arch/x86/include/asm/gart.h b/arch/x86/include/asm/gart.h
index 88c1ebee0db2..156cd5d18d2a 100644
--- a/arch/x86/include/asm/gart.h
+++ b/arch/x86/include/asm/gart.h
@@ -66,7 +66,7 @@ static inline void gart_set_size_and_enable(struct pci_dev *dev, u32 order)
          * Don't enable translation but enable GART IO and CPU accesses.
          * Also, set DISTLBWALKPRB since GART tables memory is UC.
          */
-        ctl = DISTLBWALKPRB | order << 1;
+        ctl = order << 1;
 
         pci_write_config_dword(dev, AMD64_GARTAPERTURECTL, ctl);
 }
@@ -83,7 +83,7 @@ static inline void enable_gart_translation(struct pci_dev *dev, u64 addr)
 
         /* Enable GART translation for this hammer. */
         pci_read_config_dword(dev, AMD64_GARTAPERTURECTL, &ctl);
-        ctl |= GARTEN;
+        ctl |= GARTEN | DISTLBWALKPRB;
         ctl &= ~(DISGARTCPU | DISGARTIO);
         pci_write_config_dword(dev, AMD64_GARTAPERTURECTL, ctl);
 }
diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c
index 86d1ad4962a7..73fb469908c6 100644
--- a/arch/x86/kernel/aperture_64.c
+++ b/arch/x86/kernel/aperture_64.c
@@ -499,7 +499,7 @@ out:
                  * Don't enable translation yet but enable GART IO and CPU
                  * accesses and set DISTLBWALKPRB since GART table memory is UC.
                  */
-                u32 ctl = DISTLBWALKPRB | aper_order << 1;
+                u32 ctl = aper_order << 1;
 
                 bus = amd_nb_bus_dev_ranges[i].bus;
                 dev_base = amd_nb_bus_dev_ranges[i].dev_base;