drm/radeon/kms: add missing ring ready check in sync tests

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/radeon/radeon_test.c b/drivers/gpu/drm/radeon/radeon_test.c
index 210d99f9193290d9b02d8b3981b7cf61baa03134..dc5dcf483aa3c0217c85a2db318ac07542754dde 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_test.c
+++ b/drivers/gpu/drm/radeon/radeon_test.c
@@ -471,6 +471,8 @@ void radeon_test_syncing(struct radeon_device *rdev)
 
                        for (k = 0; k < j; ++k) {
                                struct radeon_ring *ringC = &rdev->ring[k];
+                               if (!ringC->ready)
+                                       continue;
 
                                DRM_INFO("Testing syncing between rings %d, %d and %d...\n", i, j, k);
                                radeon_test_ring_sync2(rdev, ringA, ringB, ringC);