1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c
index 4b6ce74753cd..484710cfdf82 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik.c
@@ -1567,6 +1567,9 @@ static void cik_pcie_gen3_enable(struct amdgpu_device *adev)
         int ret, i;
         u16 tmp16;
 
+        if (pci_is_root_bus(adev->pdev->bus))
+                return;
+
         if (amdgpu_pcie_gen2 == 0)
                 return;