[PATCH] drm/msm/dp: Correct LeMans/Monaco DP phy Swing/Emphasis setting

Abel Vesa abel.vesa at oss.qualcomm.com
Fri Jan 9 01:27:33 PST 2026


On 26-01-09 16:30:21, Yongxing Mou wrote:
> Currently, the LeMans/Monaco DP PHY operates in DP mode rather than eDP
> mode. Per the PHY HPG, the Swing and Emphasis settings have been corrected
> to the appropriate DP-mode values.
> 
> Additionally, the HPG specifies that the LDO value should be set to 0 when
> in DP mode. These misconfigurations can lead to link training failures on
> certain dongles.
> 
> Signed-off-by: Yongxing Mou <yongxing.mou at oss.qualcomm.com>

Reviewed-by: Abel Vesa <abel.vesa at oss.qualcomm.com>



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