linux-kernel - Re: [PATCH v4 3/4] drm/msm/dp: Prepare for link training per-segment for LTTPRs

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Message-ID: <64438160-8e93-4153-af6f-1906589d1bc8@quicinc.com>
Date: Wed, 30 Apr 2025 18:20:41 -0700
From: Abhinav Kumar <quic_abhinavk@...cinc.com>
To: Aleksandrs Vinarskis <alex.vinarskis@...il.com>,
        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>, <dmitry.baryshkov@....qualcomm.com>
CC: Rob Clark <robdclark@...il.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>, Johan Hovold
	<johan+linaro@...nel.org>
Subject: Re: [PATCH v4 3/4] drm/msm/dp: Prepare for link training per-segment
 for LTTPRs



On 4/29/2025 5:09 PM, Aleksandrs Vinarskis wrote:
> Per-segment link training requires knowing the number of LTTPRs
> (if any) present. Store the count during LTTPRs' initialization.
> 
> Fixes: 72d0af4accd9 ("drm/msm/dp: Add support for LTTPR handling")
> 
> Reviewed-by: Abel Vesa <abel.vesa@...aro.org>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
> Signed-off-by: Aleksandrs Vinarskis <alex.vinarskis@...il.com>
> Tested-by: Johan Hovold <johan+linaro@...nel.org>
> Tested-by: Rob Clark <robdclark@...il.com>
> ---
>   drivers/gpu/drm/msm/dp/dp_display.c | 17 +++++++++++------
>   drivers/gpu/drm/msm/dp/dp_link.h    |  1 +
>   2 files changed, 12 insertions(+), 6 deletions(-)
> 

Reviewed-by: Abhinav Kumar <quic_abhinavk@...cinc.com>