1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index 0a8be63926d8..e0465b2cde39 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -634,7 +634,10 @@ int rs600_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
                 return -EINVAL;
         }
         addr = addr & 0xFFFFFFFFFFFFF000ULL;
-        addr |= R600_PTE_GART;
+        if (addr == rdev->dummy_page.addr)
+                addr |= R600_PTE_SYSTEM | R600_PTE_SNOOPED;
+        else
+                addr |= R600_PTE_GART;
         writeq(addr, ptr + (i * 8));
         return 0;
 }