linux-kernel - Re: [PATCH v3 2/2] drm/mediatek: Fix iommu fault during crtc enabling

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Message-ID: <3fd78e84-b16d-e1fc-85af-d19efafc83e0@baylibre.com>
Date:   Wed, 12 Jul 2023 15:03:39 +0200
From:   Alexandre Mergnat <amergnat@...libre.com>
To:     "Jason-JH.Lin" <jason-jh.lin@...iatek.com>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Cc:     Matthias Brugger <matthias.bgg@...il.com>,
        Jason-ch Chen <jason-ch.chen@...iatek.com>,
        Johnson Wang <johnson.wang@...iatek.com>,
        Singo Chang <singo.chang@...iatek.com>,
        Nancy Lin <nancy.lin@...iatek.com>,
        Shawn Sung <shawn.sung@...iatek.com>,
        dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH v3 2/2] drm/mediatek: Fix iommu fault during crtc enabling



On 10/07/2023 11:32, Jason-JH.Lin wrote:
> 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.

Reviewed-by: Alexandre Mergnat <amergnat@...libre.com>

-- 
Regards,
Alexandre