[PATCH] drm/msm/dp: stop link training after link training 2 failed

[Stephen Boyd]

Quoting Kuogee Hsieh (2022-01-04 15:52:07)
> Each DP link training contains link training 1 followed by link
> training 2.  There is maximum of 5 retries of DP link training
> before declared link training failed. It is required to stop link
> training at end of link training 2 if it is failed so that next
> link training 1 can start freshly. This patch fixes link compliance
> test  case 4.3.1.13 (Source Device Link Training EQ Fallback Test).
>
> Fixes: 2e0adc765d88 ("drm/msm/dp: do not end dp link training until video is ready")
> Signed-off-by: Kuogee Hsieh <quic_khsieh at quicinc.com>
> ---

Reviewed-by: Stephen Boyd <swboyd at chromium.org>