drm/radeon/kms: don't enable pcie gen2 on NI yet

Still needs to be implemented.
Signed-off-by: NAlex Deucher <alexdeucher@gmail.com>
Signed-off-by: NDave Airlie <airlied@redhat.com>

drivers/gpu/drm/radeon/evergreen.c

@@ -2853,7 +2853,8 @@ static int evergreen_startup(struct radeon_device *rdev)
 	int r;
 
 	/* enable pcie gen2 link */
-	evergreen_pcie_gen2_enable(rdev);
+	if (!ASIC_IS_DCE5(rdev))
+		evergreen_pcie_gen2_enable(rdev);
 
 	if (ASIC_IS_DCE5(rdev)) {
 		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {