linux-kernel - Re: [PATCH 5/5] drm/mediatek: Change main display path to support PQ for MT8196

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Message-ID: <b3a6afa2e818d31dc60632615215a88449fb78bf.camel@mediatek.com>
Date: Mon, 17 Feb 2025 06:06:32 +0000
From: CK Hu (胡俊光) <ck.hu@...iatek.com>
To: "robh@...nel.org" <robh@...nel.org>, "krzk+dt@...nel.org"
	<krzk+dt@...nel.org>, "conor+dt@...nel.org" <conor+dt@...nel.org>,
	"chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>, "AngeloGioacchino Del
 Regno" <angelogioacchino.delregno@...labora.com>,
	Sunny Shen (沈姍姍) <Sunny.Shen@...iatek.com>
CC: Singo Chang (張興國) <Singo.Chang@...iatek.com>,
	"treapking@...omium.org" <treapking@...omium.org>,
	Project_Global_Chrome_Upstream_Group
	<Project_Global_Chrome_Upstream_Group@...iatek.com>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	Nancy Lin (林欣螢) <Nancy.Lin@...iatek.com>,
	Jason-JH Lin (林睿祥) <Jason-JH.Lin@...iatek.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>,
	Paul-pl Chen (陳柏霖) <Paul-pl.Chen@...iatek.com>,
	"linux-mediatek@...ts.infradead.org" <linux-mediatek@...ts.infradead.org>,
	"matthias.bgg@...il.com" <matthias.bgg@...il.com>, "p.zabel@...gutronix.de"
	<p.zabel@...gutronix.de>
Subject: Re: [PATCH 5/5] drm/mediatek: Change main display path to support PQ
 for MT8196

On Tue, 2025-02-11 at 10:52 +0800, Sunny Shen wrote:
> Due to the path mux design of the MT8196, the following components
> need to be added to support Picture Quality (PQ) in the main display
> path: CCORR0, CCORR1, DITHER0, GAMMA0, MDP_RSZ0, POSTMASK0, TDSHP0.

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

> 
> Signed-off-by: Sunny Shen <sunny.shen@...iatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_drv.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> index b810a197f58b..1c97dc46ae70 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> @@ -242,6 +242,13 @@ static const unsigned int mt8196_mtk_ddp_ovl0_main[] = {
>  
>  static const unsigned int mt8196_mtk_ddp_disp0_main[] = {
>  	DDP_COMPONENT_DLI_ASYNC0,
> +	DDP_COMPONENT_MDP_RSZ0,
> +	DDP_COMPONENT_TDSHP0,
> +	DDP_COMPONENT_CCORR0,
> +	DDP_COMPONENT_CCORR1,
> +	DDP_COMPONENT_GAMMA0,
> +	DDP_COMPONENT_POSTMASK0,
> +	DDP_COMPONENT_DITHER0,
>  	DDP_COMPONENT_DLO_ASYNC1,
>  };
>