[Freedreno] [PATCH v2] drm/msm/dp: always add fail-safe mode into connector mode list

[Stephen Boyd]

Quoting Kuogee Hsieh (2022-01-24 15:17:54)
> Some of DP link compliant test expects to return fail-safe mode
> if prefer detailed timing mode can not be supported by mainlink's
> lane and rate after link training. Therefore add fail-safe mode
> into connector mode list as backup mode. This patch fixes test
> case 4.2.2.1.
>
> Changes in v2:
> -- add Fixes text string
>
> Fixes: 4b85d405cfe9 ( "drm/msm/dp: reduce link rate if failed at link training 1")
> Signed-off-by: Kuogee Hsieh <quic_khsieh at quicinc.com>
> ---

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