1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index 71439f0a3c26..7cfea7e4583f 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -640,7 +640,9 @@ int radeon_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, unsig
         /* Allocate ring buffer */
         if (ring->ring_obj == NULL) {
                 r = radeon_bo_create(rdev, ring->ring_size, PAGE_SIZE, true,
-                                     RADEON_GEM_DOMAIN_GTT, 0,
+                                     RADEON_GEM_DOMAIN_GTT,
+                                     (rdev->flags & RADEON_IS_PCIE) ?
+                                     RADEON_GEM_GTT_WC : 0,
                                      NULL, &ring->ring_obj);
                 if (r) {
                         dev_err(rdev->dev, "(%d) ring create failed\n", r);