1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 6fbab1582112..55065d844205 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1126,7 +1126,7 @@ static void radeon_check_arguments(struct radeon_device *rdev)
         if (radeon_vm_block_size == -1) {
 
                 /* Total bits covered by PD + PTs */
-                unsigned bits = ilog2(radeon_vm_size) + 17;
+                unsigned bits = ilog2(radeon_vm_size) + 18;
 
                 /* Make sure the PD is 4K in size up to 8GB address space.
                    Above that split equal between PD and PTs */