linux-kernel - Re: [PATCH v3 1/4] drm/msm/dp: Fix support of LTTPR initialization

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Message-ID: <num3gu5gfpnu3hw7ofk5ado2hnmftgqw3jfzlp4pi4yganugvu@ntsyr6lwry7v>
Date: Fri, 25 Apr 2025 00:48:50 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Aleksandrs Vinarskis <alex.vinarskis@...il.com>
Cc: Dmitry Baryshkov <lumag@...nel.org>, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>, Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        laurentiu.tudor1@...l.com, abel.vesa@...aro.org, johan@...nel.org
Subject: Re: [PATCH v3 1/4] drm/msm/dp: Fix support of LTTPR initialization

On Thu, Apr 17, 2025 at 04:10:32AM +0200, Aleksandrs Vinarskis wrote:
> Initialize LTTPR before msm_dp_panel_read_sink_caps, as DPTX shall
> (re)read DPRX caps after LTTPR detection, as required by DP 2.1,
> Section 3.6.7.6.1.
> 
> Signed-off-by: Aleksandrs Vinarskis <alex.vinarskis@...il.com>
> ---
>  drivers/gpu/drm/msm/dp/dp_display.c | 13 +++++++++----
>  1 file changed, 9 insertions(+), 4 deletions(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>

-- 
With best wishes
Dmitry