[PATCH] drm/msm/dp: Correct LeMans/Monaco DP phy Swing/Emphasis setting
Yongxing Mou
yongxing.mou at oss.qualcomm.com
Tue Jan 13 04:05:21 PST 2026
On 1/9/2026 11:27 PM, Dmitry Baryshkov wrote:
> On Fri, Jan 09, 2026 at 04:30:21PM +0800, 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
>
> have been corrected... when?
>
sorry, will correct it next patch.>> 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.
>
> Separate commit
>
Got it. will update next patch>>
>> Signed-off-by: Yongxing Mou <yongxing.mou at oss.qualcomm.com>
>
> Missing Fixes, cc:stable
>
Ack.>> ---
>> drivers/phy/qualcomm/phy-qcom-edp.c | 27 ++++++++++++++++++++++++---
>> 1 file changed, 24 insertions(+), 3 deletions(-)
>>
>
More information about the linux-phy
mailing list