From: Yongxing Mou <yongxing.mou@oss.qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Cc: Vinod Koul <vkoul@kernel.org>,
Neil Armstrong <neil.armstrong@linaro.org>,
linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] drm/msm/dp: Correct LeMans/Monaco DP phy Swing/Emphasis setting
Date: Tue, 13 Jan 2026 20:05:21 +0800 [thread overview]
Message-ID: <c842b3f7-9f6c-487a-a119-90ce4e566681@oss.qualcomm.com> (raw)
In-Reply-To: <qnwvucdihyavgn5prchafmfly7mc4b5ts4h2wxjky2cbkv4t33@ct6zncecngvs>
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@oss.qualcomm.com>
>
> Missing Fixes, cc:stable
>
Ack.>> ---
>> drivers/phy/qualcomm/phy-qcom-edp.c | 27 ++++++++++++++++++++++++---
>> 1 file changed, 24 insertions(+), 3 deletions(-)
>>
>
prev parent reply other threads:[~2026-01-13 12:05 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-09 8:30 Yongxing Mou
2026-01-09 9:27 ` Abel Vesa
2026-01-09 9:58 ` Konrad Dybcio
2026-01-13 12:04 ` Yongxing Mou
2026-01-13 18:55 ` Dmitry Baryshkov
2026-01-16 8:18 ` Yongxing Mou
2026-01-16 8:41 ` Dmitry Baryshkov
2026-01-09 15:27 ` Dmitry Baryshkov
2026-01-13 12:05 ` Yongxing Mou [this message]
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