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From:   Chun-Kuang Hu <chunkuang.hu@kernel.org>
Date:   Fri, 15 Jan 2021 06:55:56 +0800
Message-ID: <CAAOTY_98=hJvQibAUfk3f9NF+3sEZ4JuANEDgp6WJ7cVAOygQQ@mail.gmail.com>
Subject: Re: [PATCH v3, 11/15] drm/mediatek: fix aal size config
To:     Yongqiang Niu <yongqiang.niu@mediatek.com>
Cc:     CK Hu <ck.hu@mediatek.com>, Philipp Zabel <p.zabel@pengutronix.de>,
        Rob Herring <robh+dt@kernel.org>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        Mark Rutland <mark.rutland@arm.com>,
        DTML <devicetree@vger.kernel.org>,
        David Airlie <airlied@linux.ie>,
        linux-kernel <linux-kernel@vger.kernel.org>,
        DRI Development <dri-devel@lists.freedesktop.org>,
        Project_Global_Chrome_Upstream_Group@mediatek.com,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@lists.infradead.org>,
        Daniel Vetter <daniel@ffwll.ch>,
        Hsin-Yi Wang <hsinyi@chromium.org>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>
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Hi, Yongqiang:

Yongqiang Niu <yongqiang.niu@mediatek.com> =E6=96=BC 2021=E5=B9=B41=E6=9C=
=8811=E6=97=A5 =E9=80=B1=E4=B8=80 =E4=B8=8B=E5=8D=883:48=E5=AF=AB=E9=81=93=
=EF=BC=9A
>
> the orginal setting is not correct, fix it follow hardware data sheet.
> if keep this error setting, mt8173/mt8183 display ok
> but mt8192 display abnormal.
>

Applied to mediatek-drm-next [1], thanks.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/=
log/?h=3Dmediatek-drm-next

Regards,
Chun-Kuang.

> Fixes: 0664d1392c26 (drm/mediatek: Add AAL engine basic function)
>
> Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/dr=
m/mediatek/mtk_drm_ddp_comp.c
> index fc01fea..6081800 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> @@ -174,7 +174,7 @@ static void mtk_aal_config(struct mtk_ddp_comp *comp,=
 unsigned int w,
>                            unsigned int h, unsigned int vrefresh,
>                            unsigned int bpc, struct cmdq_pkt *cmdq_pkt)
>  {
> -       mtk_ddp_write(cmdq_pkt, h << 16 | w, comp, DISP_AAL_SIZE);
> +       mtk_ddp_write(cmdq_pkt, w << 16 | h, comp, DISP_AAL_SIZE);
>  }
>
>  static void mtk_aal_start(struct mtk_ddp_comp *comp)
> --
> 1.8.1.1.dirty
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