diff options
| -rw-r--r-- | drivers/gpu/drm/rockchip/cdn-dp-reg.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rockchip/cdn-dp-reg.c b/drivers/gpu/drm/rockchip/cdn-dp-reg.c index 963d8abec463..b14d211f6c21 100644 --- a/drivers/gpu/drm/rockchip/cdn-dp-reg.c +++ b/drivers/gpu/drm/rockchip/cdn-dp-reg.c @@ -671,6 +671,10 @@ int cdn_dp_config_video(struct cdn_dp_device *dp) rem = do_div(symbol, 1000); if (tu_size_reg > 64) { ret = -EINVAL; + DRM_DEV_ERROR(dp->dev, + "tu error, clk:%d, lanes:%d, rate:%d\n", + mode->clock, dp->link.num_lanes, + link_rate); goto err_config_video; } } while ((symbol <= 1) || (tu_size_reg - symbol < 4) || |