linux-kernel - Re: [PATCH v3 10/17] drm/mediatek: Export OVL formats definitions and format conversion API

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Message-ID: <d21ca13f336e95a993af8c9c8408f5df0d39bd74.camel@mediatek.com>
Date: Tue, 17 Jun 2025 06:47:32 +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>, Paul-pl Chen (陳柏霖)
	<Paul-pl.Chen@...iatek.com>, "conor+dt@...nel.org" <conor+dt@...nel.org>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	"chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>
CC: Sunny Shen (沈姍姍) <Sunny.Shen@...iatek.com>,
	Sirius Wang (王皓昱) <Sirius.Wang@...iatek.com>,
	Nancy Lin (林欣螢) <Nancy.Lin@...iatek.com>,
	Xiandong Wang (王先冬)
	<Xiandong.Wang@...iatek.com>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, "dri-devel@...ts.freedesktop.org"
	<dri-devel@...ts.freedesktop.org>, Project_Global_Chrome_Upstream_Group
	<Project_Global_Chrome_Upstream_Group@...iatek.com>,
	"linux-mediatek@...ts.infradead.org" <linux-mediatek@...ts.infradead.org>,
	Jason-JH Lin (林睿祥) <Jason-JH.Lin@...iatek.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"fshao@...omium.org" <fshao@...omium.org>, "p.zabel@...gutronix.de"
	<p.zabel@...gutronix.de>, Singo Chang (張興國)
	<Singo.Chang@...iatek.com>, "linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, "matthias.bgg@...il.com"
	<matthias.bgg@...il.com>, "treapking@...omium.org" <treapking@...omium.org>
Subject: Re: [PATCH v3 10/17] drm/mediatek: Export OVL formats definitions and
 format conversion API


> > +extern const u32 mt8195_ovl_formats[];
> 
> Ditto.

Sorry, it need to extern mt8195_ovl_formats for exdma driver.

Regards,
CK

> 
> Regards,
> CK
> 
> > +extern const size_t mt8195_ovl_formats_len;
> > +
> > +bool mtk_ovl_is_10bit_rgb(unsigned int fmt);
> > +unsigned int mtk_ovl_get_blend_mode(struct mtk_plane_state *state, unsigned int blend_modes);
> > +unsigned int mtk_ovl_fmt_convert(unsigned int fmt, unsigned int blend_mode,
> > +				 bool fmt_rgb565_is_0, bool color_convert,
> > +				 u8 clrfmt_shift, u32 clrfmt_man, u32 byte_swap, u32 rgb_swap);
> > +
> > +#endif
>