linux-kernel - Re: [PATCH v10 4/5] drm/mediatek: ovl: Add blend

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Message-ID: <09159834fb362b2e6b3aaee70b4321c07d37601c.camel@mediatek.com>
Date: Wed, 9 Oct 2024 03:34:26 +0000
From: Jason-JH Lin (林睿祥) <Jason-JH.Lin@...iatek.com>
To: "linux-mediatek@...ts.infradead.org" <linux-mediatek@...ts.infradead.org>,
	"chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>, "Markus.Elfring@....de"
	<Markus.Elfring@....de>, "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>, "me@...mthiede.com"
	<me@...mthiede.com>, "yassine.oudjana@...il.com" <yassine.oudjana@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"alpernebiyasak@...il.com" <alpernebiyasak@...il.com>,
	Nancy Lin (林欣螢) <Nancy.Lin@...iatek.com>,
	Singo Chang (張興國) <Singo.Chang@...iatek.com>,
	Shawn Sung (宋孝謙) <Shawn.Sung@...iatek.com>
Subject: Re: [PATCH v10 4/5] drm/mediatek: ovl: Add blend_modes to driver data

On Tue, 2024-10-08 at 10:16 +0200, Markus Elfring wrote:
>  	 
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
>  …
> > pre-multiplied is supported in the current platform.
> …
> 
>                 format would be?

Hi Markus,

blend_modes is the driver data that describes the supported blend mode
in current platform no matter format would be any one.

This sentence is describing mtk_ovl_fmt_convert() will check if the
blend_modes included BIT(DRM_MODE_BLEND_PREMULTI).

Regards,
Jason-JH.Lin

> 
> 
> Regards,
> Markus