linux-kernel - Re: [PATCH v11 8/9] drm/mediatek: dsi: Support dynamic connector selection

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Message-ID: <cc73ca5c65a5cec24028af84ec67ff16469b21dd.camel@mediatek.com>
Date:   Fri, 6 Oct 2023 07:58:13 +0000
From:   CK Hu (胡俊光) <ck.hu@...iatek.com>
To:     Jason-JH Lin (林睿祥) 
        <Jason-JH.Lin@...iatek.com>,
        "chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>,
        "angelogioacchino.delregno@...labora.com" 
        <angelogioacchino.delregno@...labora.com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Singo Chang (張興國) 
        <Singo.Chang@...iatek.com>,
        Johnson Wang (王聖鑫) 
        <Johnson.Wang@...iatek.com>,
        Jason-ch Chen (陳建豪) 
        <Jason-ch.Chen@...iatek.com>,
        Shawn Sung (宋孝謙) 
        <Shawn.Sung@...iatek.com>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        Nancy Lin (林欣螢) <Nancy.Lin@...iatek.com>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        Project_Global_Chrome_Upstream_Group 
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "matthias.bgg@...il.com" <matthias.bgg@...il.com>
Subject: Re: [PATCH v11 8/9] drm/mediatek: dsi: Support dynamic connector
 selection

Hi, Jason:

On Wed, 2023-10-04 at 10:40 +0800, Jason-JH.Lin wrote:
> Add implementation of mtk_dsi_encoder_index to mtk_ddp_comp_func
> to make mtk_dsi support dynamic connector selection.

Reviewed-by: CK Hu <ck.hu@...iatek.com>

> 
> Signed-off-by: Jason-JH.Lin <jason-jh.lin@...iatek.com>
> Reviewed-by: CK Hu <ck.hu@...iatek.com>
> Reviewed-by: Fei Shao <fshao@...omium.org>
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@...labora.com>
> Tested-by: Fei Shao <fshao@...omium.org>
> ---
>  drivers/gpu/drm/mediatek/mtk_disp_drv.h     | 1 +
>  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 1 +
>  drivers/gpu/drm/mediatek/mtk_dsi.c          | 9 +++++++++
>  3 files changed, 11 insertions(+)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> index 5f07037670e9..fdaa21b6a9da 100644
> --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> @@ -48,6 +48,7 @@ unsigned int mtk_dpi_encoder_index(struct device
> *dev);
>  
>  void mtk_dsi_ddp_start(struct device *dev);
>  void mtk_dsi_ddp_stop(struct device *dev);
> +unsigned int mtk_dsi_encoder_index(struct device *dev);
>  
>  int mtk_gamma_clk_enable(struct device *dev);
>  void mtk_gamma_clk_disable(struct device *dev);
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> index 601755925520..f3345af12cb8 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> @@ -318,6 +318,7 @@ static const struct mtk_ddp_comp_funcs ddp_dsc =
> {
>  static const struct mtk_ddp_comp_funcs ddp_dsi = {
>  	.start = mtk_dsi_ddp_start,
>  	.stop = mtk_dsi_ddp_stop,
> +	.encoder_index = mtk_dsi_encoder_index,
>  };
>  
>  static const struct mtk_ddp_comp_funcs ddp_gamma = {
> diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c
> b/drivers/gpu/drm/mediatek/mtk_dsi.c
> index d8bfc2cce54d..124647a4d985 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dsi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
> @@ -865,6 +865,15 @@ static int mtk_dsi_encoder_init(struct
> drm_device *drm, struct mtk_dsi *dsi)
>  	return ret;
>  }
>  
> +unsigned int mtk_dsi_encoder_index(struct device *dev)
> +{
> +	struct mtk_dsi *dsi = dev_get_drvdata(dev);
> +	unsigned int encoder_index = drm_encoder_index(&dsi->encoder);
> +
> +	dev_dbg(dev, "encoder index:%d\n", encoder_index);
> +	return encoder_index;
> +}
> +
>  static int mtk_dsi_bind(struct device *dev, struct device *master,
> void *data)
>  {
>  	int ret;