linux-kernel - Re: [PATCH RFT v3 10/14] drm/msm/a6xx: Simplify min_acc

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Message-ID: <cet4mrockbsa2lwrjmpvqfffhlk4r4xzbfoiffuohz37oaklsj@6spwjrcyxf7r>
Date: Sun, 18 May 2025 12:57:23 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Konrad Dybcio <konradybcio@...nel.org>
Cc: Bjorn Andersson <andersson@...nel.org>, Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Akhil P Oommen <quic_akhilpo@...cinc.com>, Sean Paul <sean@...rly.run>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Subject: Re: [PATCH RFT v3 10/14] drm/msm/a6xx: Simplify min_acc_len
 calculation

On Sat, May 17, 2025 at 07:32:44PM +0200, Konrad Dybcio wrote:
> From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
> 
> It's only necessary for some lower end parts.
> Also rename it to min_acc_len_64b to denote that if set, the minimum
> access length is 64 bits, 32b otherwise.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
> ---
>  drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 18 +++++++++---------
>  1 file changed, 9 insertions(+), 9 deletions(-)

MDSS sets it only for a610 as there seems to be no UBWC support on the
display side of QCM2290.

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

-- 
With best wishes
Dmitry