linux-kernel - Re: [PATCH] drm/mediatek: Fix wrong dither settings

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Message-ID: <CAAOTY_9=cNCLhvCAEnPsw3Y4iBE=g9aTS+QLZXDVZH8N3cj+xQ@mail.gmail.com>
Date:   Tue, 13 Sep 2022 07:18:39 +0800
From:   Chun-Kuang Hu <chunkuang.hu@...nel.org>
To:     Allen-KH Cheng <allen-kh.cheng@...iatek.com>
Cc:     Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Matthias Brugger <matthias.bgg@...il.com>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Project_Global_Chrome_Upstream_Group 
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        DTML <devicetree@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        Yongqiang Niu <yongqiang.niu@...iatek.com>
Subject: Re: [PATCH] drm/mediatek: Fix wrong dither settings

Hi, Allen:

Allen-KH Cheng <allen-kh.cheng@...iatek.com> 於 2022年9月8日 週四 晚上10:12寫道：
>
> The width and height arguments in the cmdq packet for mtk_dither_config()
> are inverted. We fix the incorrect width and height for dither settings
> in mtk_dither_config().

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

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

Regards,
Chun-Kuang.

>
> Fixes: 73d3724745db ("drm/mediatek: Adjust to the alphabetic order for mediatek-drm")
> Co-developed-by: Yongqiang Niu <yongqiang.niu@...iatek.com>
> Signed-off-by: Yongqiang Niu <yongqiang.niu@...iatek.com>
> Signed-off-by: Allen-KH Cheng <allen-kh.cheng@...iatek.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/drm/mediatek/mtk_drm_ddp_comp.c
> index 2d72cc5ddaba..6b6d5335c834 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> @@ -157,7 +157,7 @@ static void mtk_dither_config(struct device *dev, unsigned int w,
>  {
>         struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev);
>
> -       mtk_ddp_write(cmdq_pkt, h << 16 | w, &priv->cmdq_reg, priv->regs, DISP_REG_DITHER_SIZE);
> +       mtk_ddp_write(cmdq_pkt, w << 16 | h, &priv->cmdq_reg, priv->regs, DISP_REG_DITHER_SIZE);
>         mtk_ddp_write(cmdq_pkt, DITHER_RELAY_MODE, &priv->cmdq_reg, priv->regs,
>                       DISP_REG_DITHER_CFG);
>         mtk_dither_set_common(priv->regs, &priv->cmdq_reg, bpc, DISP_REG_DITHER_CFG,
> --
> 2.18.0
>