[PATCH] drm/msm/dp: reset the link phy params before link training

[Stephen Boyd]

Quoting Abhinav Kumar (2024-07-25 15:04:50)
> Before re-starting link training reset the link phy params namely
> the pre-emphasis and voltage swing levels otherwise the next
> link training begins at the previously cached levels which can result
> in link training failures.
>
> Fixes: 8ede2ecc3e5e ("drm/msm/dp: Add DP compliance tests on Snapdragon Chipsets")
> Signed-off-by: Abhinav Kumar <quic_abhinavk at quicinc.com>
> ---

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