linux-kernel - Re: [RESEND PATCH v6 19/20] drm/mediatek: Support MT8188 VDOSYS1 in display driver

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Date:   Thu, 28 Sep 2023 06:47:56 +0000
From:   CK Hu (胡俊光) <ck.hu@...iatek.com>
To:     Shawn Sung (宋孝謙) 
        <Shawn.Sung@...iatek.com>,
        "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        "angelogioacchino.delregno@...labora.com" 
        <angelogioacchino.delregno@...labora.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        Singo Chang (張興國) 
        <Singo.Chang@...iatek.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Jason-JH Lin (林睿祥) 
        <Jason-JH.Lin@...iatek.com>,
        Nancy Lin (林欣螢) <Nancy.Lin@...iatek.com>,
        "daniel@...ll.ch" <daniel@...ll.ch>,
        "p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
        "conor+dt@...nel.org" <conor+dt@...nel.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        Project_Global_Chrome_Upstream_Group 
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        "airlied@...il.com" <airlied@...il.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "nfraprado@...labora.com" <nfraprado@...labora.com>
Subject: Re: [RESEND PATCH v6 19/20] drm/mediatek: Support MT8188 VDOSYS1 in
 display driver

Hi, Hsiao-chien:

On Mon, 2023-09-11 at 15:42 +0800, Hsiao Chien Sung wrote:
> - The mmsys_dev_num in MT8188 VDOSYS0 was set to 1 since
>   VDOSYS1 was not available before. Increase it to support
>   VDOSYS1 in display driver.
> - Add compatible name for MT8188 VDOSYS1
>   (shares the same driver data with MT8195 VDOSYS1)

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

> 
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@...labora.com>
> Signed-off-by: Hsiao Chien Sung <shawn.sung@...iatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_drv.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> index cde69f39a066..212475436f47 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> @@ -288,6 +288,7 @@ static const struct mtk_mmsys_driver_data
> mt8186_mmsys_driver_data = {
>  static const struct mtk_mmsys_driver_data mt8188_vdosys0_driver_data
> = {
>  	.main_path = mt8188_mtk_ddp_main,
>  	.main_len = ARRAY_SIZE(mt8188_mtk_ddp_main),
> +	.mmsys_dev_num = 2,
>  };
> 
>  static const struct mtk_mmsys_driver_data mt8192_mmsys_driver_data =
> {
> @@ -328,6 +329,8 @@ static const struct of_device_id mtk_drm_of_ids[]
> = {
>  	  .data = &mt8186_mmsys_driver_data},
>  	{ .compatible = "mediatek,mt8188-vdosys0",
>  	  .data = &mt8188_vdosys0_driver_data},
> +	{ .compatible = "mediatek,mt8188-vdosys1",
> +	  .data = &mt8195_vdosys1_driver_data},
>  	{ .compatible = "mediatek,mt8192-mmsys",
>  	  .data = &mt8192_mmsys_driver_data},
>  	{ .compatible = "mediatek,mt8195-mmsys",
> --
> 2.18.0
>