diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index d3ffc18..6ff3940 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -390,7 +390,7 @@ static int radeon_crtc_page_flip(struct drm_crtc *crtc,
 
 	r = radeon_bo_reserve(rbo, false);
 	if (unlikely(r != 0)) {
-		DRM_ERROR("failed to reserve new rbo buffer before flip\n");
+		DRM_ERROR("failed to reserve new rbo buffer before flip, r=%d\n", r);
 		goto pflip_cleanup;
 	}
 	r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &base);