linux-kernel - Re: [PATCH v3 13/14] drm/mediatek: Support DRM plane alpha in OVL

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Message-ID: <429db3b66919e67ef765eef220608cb3d3d9db65.camel@mediatek.com>
Date: Mon, 7 Oct 2024 07:22:27 +0000
From: Jason-JH Lin (林睿祥) <Jason-JH.Lin@...iatek.com>
To: Bibby Hsieh (謝濟遠) <Bibby.Hsieh@...iatek.com>,
	"chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>, "djkurtz@...omium.org"
	<djkurtz@...omium.org>, Shawn Sung (宋孝謙)
	<Shawn.Sung@...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>,
	CK Hu (胡俊光) <ck.hu@...iatek.com>,
	"yassine.oudjana@...il.com" <yassine.oudjana@...il.com>, "me@...mthiede.com"
	<me@...mthiede.com>, "airlied@...il.com" <airlied@...il.com>,
	"matthias.bgg@...il.com" <matthias.bgg@...il.com>, "littlecvr@...omium.org"
	<littlecvr@...omium.org>, AngeloGioacchino Del Regno
	<angelogioacchino.delregno@...labora.com>
CC: YT Shen (沈岳霆) <Yt.Shen@...iatek.com>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	"linux-mediatek@...ts.infradead.org" <linux-mediatek@...ts.infradead.org>,
	"linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 13/14] drm/mediatek: Support DRM plane alpha in OVL

> > 
> > Hi Adam, Yassine,
> > 
> > Please try the patches below and check if they can fix the
> downgrade
> > issue:
> > [1] Fix degradation problem of alpha blending series
> > -
> > 
> https://patchwork.kernel.org/project/linux-mediatek/list/?series=893634
> > [2] drm/mediatek: Fix XRGB format breakage for blend_modes
> unsupported
> > SoCs
> > -
> > 
> https://patchwork.kernel.org/project/linux-mediatek/patch/20241005095234.12925-1-jason-jh.lin@mediatek.com/
> > 
> > Regards,
> > Jason-JH.Lin
> 
> Jason,
> I've built 6.12-rc1 with those patch series applied. (I am also not 
> reverting the other commit.) This fixes the issue - I'm able to see
> the 
> console now. Thank you! Hopefully these can go into 6.12?
> - Adam Thiede

Yes, they will go into 6.12.



Hi Adam, Yassine,

Since the maintainer, CK, had some comments at the [2], I made some
changes for it.

Could you please test again only with this single fix patch:
[3] drm/mediatek: ovl: Fix XRGB format breakage for blend_modes
unsupported SoCs
- 
https://patchwork.kernel.org/project/linux-mediatek/patch/20241007070101.23263-2-jason-jh.lin@mediatek.com/
 
and see if it can fix your problem?

Regards,
Jason-JH.Lin