linux-kernel - Re: [PATCH v2 2/2] drm/mediatek: Fix iommu fault during crtc enabling

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Message-ID: <efaa46e998e3ca3db787ab178e2f88276977b84f.camel@mediatek.com>
Date:   Mon, 10 Jul 2023 09:32:12 +0000
From:   Jason-JH Lin (林睿祥) 
        <Jason-JH.Lin@...iatek.com>
To:     "amergnat@...libre.com" <amergnat@...libre.com>,
        "angelogioacchino.delregno@...labora.com" 
        <angelogioacchino.delregno@...labora.com>,
        "chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>
CC:     "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        Singo Chang (張興國) 
        <Singo.Chang@...iatek.com>,
        Johnson Wang (王聖鑫) 
        <Johnson.Wang@...iatek.com>,
        Jason-ch Chen (陳建豪) 
        <Jason-ch.Chen@...iatek.com>,
        Shawn Sung (宋孝謙) 
        <Shawn.Sung@...iatek.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Nancy Lin (林欣螢) <Nancy.Lin@...iatek.com>,
        "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>,
        "matthias.bgg@...il.com" <matthias.bgg@...il.com>
Subject: Re: [PATCH v2 2/2] drm/mediatek: Fix iommu fault during crtc enabling

Hi Angelo,

Thanks for the reviews.

On Mon, 2023-07-10 at 10:07 +0200, AngeloGioacchino Del Regno wrote:
>  	 
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
>  Il 09/07/23 18:26, Jason-JH.Lin ha scritto:
> > OVL layer should not be enabled before crtc is enabled.
> > The plane_state of drm_atomic_state is not sync to
> > the plane_state stored in mtk_crtc during crtc enabling,
> > so just set all planes to disabled.
> > 
> 
> Please add the relevant Fixes tag and resend.
> 
> Thanks,
> Angelo

OK, I'll add Fixes tag at the next version.

Regards,
Jason-JH.Lin