linux-kernel - Re: [PATCH] drm/msm/dpu: Use the encoder for default CRC source

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Message-ID: <CAA8EJppgUmkLrhTw779tq5wkgXfu4sypGrQbJFYtrnCrbwa3=Q@mail.gmail.com>
Date:   Sun, 8 Oct 2023 22:59:50 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Rob Clark <robdclark@...il.com>
Cc:     dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        linux-arm-msm@...r.kernel.org,
        Helen Koike <helen.koike@...labora.com>,
        Rob Clark <robdclark@...omium.org>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Tomeu Vizoso <tomeu.vizoso@...labora.com>,
        Daniel Stone <daniels@...labora.com>,
        Vinod Polimera <quic_vpolimer@...cinc.com>,
        Kalyan Thota <quic_kalyant@...cinc.com>,
        Jiasheng Jiang <jiasheng@...as.ac.cn>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/msm/dpu: Use the encoder for default CRC source

On Sun, 8 Oct 2023 at 20:56, Rob Clark <robdclark@...il.com> wrote:
>
> From: Rob Clark <robdclark@...omium.org>
>
> i-g-t expects the CRC to reflect any applied CTM.  But the layer mixer
> source is upstream of the DSPP, so it is before the CTM is applied.
>
> Switch the default source to 'encoder' instead so that the CRC is
> captured downstream of the DSPP.
>
> Signed-off-by: Rob Clark <robdclark@...omium.org>
> ---
>  drivers/gpu/drm/ci/xfails/msm-sc7180-fails.txt |  4 ----
>  drivers/gpu/drm/ci/xfails/msm-sc7180-skips.txt |  5 -----
>  drivers/gpu/drm/ci/xfails/msm-sdm845-fails.txt | 11 +----------
>  drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c       |  6 +++---

I'm not sure, if updating the CI skip list together with the
functional changs is a good idea, my preference would be towards two
separate patches.

Nevertheless:

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

>  4 files changed, 4 insertions(+), 22 deletions(-)


-- 
With best wishes
Dmitry