linux-kernel - Re: [PATCH v4 5/8] drm/mediatek: separate ccorr module

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Date:   Sun, 31 Jan 2021 12:07:47 +0800
From:   Chun-Kuang Hu <chunkuang.hu@...nel.org>
To:     Hsin-Yi Wang <hsinyi@...omium.org>
Cc:     CK Hu <ck.hu@...iatek.com>, Philipp Zabel <p.zabel@...gutronix.de>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Mark Rutland <mark.rutland@....com>,
        DTML <devicetree@...r.kernel.org>,
        Yongqiang Niu <yongqiang.niu@...iatek.com>,
        David Airlie <airlied@...ux.ie>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        Daniel Vetter <daniel@...ll.ch>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v4 5/8] drm/mediatek: separate ccorr module

Hi, Hsin-Yi:

Hsin-Yi Wang <hsinyi@...omium.org> 於 2021年1月29日 週五 下午3:35寫道：
>
> From: Yongqiang Niu <yongqiang.niu@...iatek.com>
>
> ccorr ctm matrix bits will be different in mt8192
>
> Signed-off-by: Yongqiang Niu <yongqiang.niu@...iatek.com>
> Signed-off-by: Hsin-Yi Wang <hsinyi@...omium.org>
> ---
>  drivers/gpu/drm/mediatek/Makefile           |   3 +-
>  drivers/gpu/drm/mediatek/mtk_disp_ccorr.c   | 222 ++++++++++++++++++++
>  drivers/gpu/drm/mediatek/mtk_disp_drv.h     |   9 +
>  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c |  95 +--------
>  drivers/gpu/drm/mediatek/mtk_drm_drv.c      |   8 +-
>  drivers/gpu/drm/mediatek/mtk_drm_drv.h      |   1 +
>  6 files changed, 242 insertions(+), 96 deletions(-)
>  create mode 100644 drivers/gpu/drm/mediatek/mtk_disp_ccorr.c
>

[snip]

> +
> +void mtk_ccorr_config(struct device *dev, unsigned int w,
> +                            unsigned int h, unsigned int vrefresh,
> +                            unsigned int bpc, struct cmdq_pkt *cmdq_pkt)
> +{
> +       struct mtk_disp_ccorr *ccorr = dev_get_drvdata(dev);
> +
> +       mtk_ddp_write(cmdq_pkt, w << 16 | h, &ccorr->cmdq_reg, ccorr->regs,
> +                     DISP_CCORR_SIZE);

You change w, h position here. Separate this modification to another patch.

> +       mtk_ddp_write(cmdq_pkt, CCORR_ENGINE_EN, &ccorr->cmdq_reg, ccorr->regs,
> +                     DISP_CCORR_CFG);
> +}
> +

[snip]

> -static void mtk_ccorr_config(struct device *dev, unsigned int w,
> -                            unsigned int h, unsigned int vrefresh,
> -                            unsigned int bpc, struct cmdq_pkt *cmdq_pkt)
> -{
> -       struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev);
> -
> -       mtk_ddp_write(cmdq_pkt, h << 16 | w, &priv->cmdq_reg, priv->regs, DISP_CCORR_SIZE);
> -       mtk_ddp_write(cmdq_pkt, CCORR_ENGINE_EN, &priv->cmdq_reg, priv->regs, DISP_CCORR_CFG);
> -}
> -