linux-kernel - Re: [PATCH v8 09/19] drm/mediatek: dpi: move dimension

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Message-ID: <CAAOTY_8zj3PxdZ-CftM8jE+0T-vmck1UMH9tNYN6YL5MuaTdQw@mail.gmail.com>
Date:   Mon, 21 Feb 2022 10:43:19 +0800
From:   Chun-Kuang Hu <chunkuang.hu@...nel.org>
To:     Guillaume Ranquet <granquet@...libre.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>,
        Rob Herring <robh+dt@...nel.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>, deller@....de,
        CK Hu <ck.hu@...iatek.com>, Jitao Shi <jitao.shi@...iatek.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        DTML <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-phy@...ts.infradead.org, linux-fbdev@...r.kernel.org
Subject: Re: [PATCH v8 09/19] drm/mediatek: dpi: move dimension_mask to board config

Hi, Guillaume:

Guillaume Ranquet <granquet@...libre.com> 於 2022年2月18日 週五 下午10:56寫道：
>
> Add flexibility by moving the dimension mask to board config

Replace 'board' with 'SoC'.

>
> Signed-off-by: Guillaume Ranquet <granquet@...libre.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_dpi.c | 12 ++++++++++--
>  1 file changed, 10 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
> index 8ca3455ed64ee..0d3acd08ea358 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dpi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
> @@ -129,6 +129,8 @@ struct mtk_dpi_conf {
>         bool swap_input_support;
>         // Mask used for HWIDTH, HPORCH, VSYNC_WIDTH and VSYNC_PORCH (no shift)
>         u32 dimension_mask;
> +       // Mask used for HSIZE and VSIZE (no shift)

/* ... */

Regards,
Chun-Kuang.

> +       u32 hvsize_mask;
>         const struct mtk_dpi_yc_limit *limit;
>  };
>
> @@ -243,8 +245,10 @@ static void mtk_dpi_config_interface(struct mtk_dpi *dpi, bool inter)
>
>  static void mtk_dpi_config_fb_size(struct mtk_dpi *dpi, u32 width, u32 height)
>  {
> -       mtk_dpi_mask(dpi, DPI_SIZE, width << HSIZE, HSIZE_MASK);
> -       mtk_dpi_mask(dpi, DPI_SIZE, height << VSIZE, VSIZE_MASK);
> +       mtk_dpi_mask(dpi, DPI_SIZE, width << HSIZE,
> +                    dpi->conf->hvsize_mask << HSIZE);
> +       mtk_dpi_mask(dpi, DPI_SIZE, height << VSIZE,
> +                    dpi->conf->hvsize_mask << VSIZE);
>  }
>
>  static void mtk_dpi_config_channel_limit(struct mtk_dpi *dpi)
> @@ -816,6 +820,7 @@ static const struct mtk_dpi_conf mt8173_conf = {
>         .is_ck_de_pol = true,
>         .swap_input_support = true,
>         .dimension_mask = HPW_MASK,
> +       .hvsize_mask = HSIZE_MASK,
>         .limit = &mtk_dpi_limit,
>  };
>
> @@ -829,6 +834,7 @@ static const struct mtk_dpi_conf mt2701_conf = {
>         .is_ck_de_pol = true,
>         .swap_input_support = true,
>         .dimension_mask = HPW_MASK,
> +       .hvsize_mask = HSIZE_MASK,
>         .limit = &mtk_dpi_limit,
>  };
>
> @@ -841,6 +847,7 @@ static const struct mtk_dpi_conf mt8183_conf = {
>         .is_ck_de_pol = true,
>         .swap_input_support = true,
>         .dimension_mask = HPW_MASK,
> +       .hvsize_mask = HSIZE_MASK,
>         .limit = &mtk_dpi_limit,
>  };
>
> @@ -853,6 +860,7 @@ static const struct mtk_dpi_conf mt8192_conf = {
>         .is_ck_de_pol = true,
>         .swap_input_support = true,
>         .dimension_mask = HPW_MASK,
> +       .hvsize_mask = HSIZE_MASK,
>         .limit = &mtk_dpi_limit,
>  };
>
> --
> 2.34.1
>